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authorManuel Coenen <manuel@duet3d.com>2021-01-20 15:00:53 +0300
committerManuel Coenen <manuel@duet3d.com>2021-01-20 15:00:53 +0300
commiteeeb1c4d56b3a305bac9e32e99895e8f5e69ec7c (patch)
tree20671df416e3eb9bd03837fce0ef93a5504963f5 /src/Hardware
parent2b8228948d03faafc18626d5d7b2f00b72b8e85d (diff)
Fix TMC51xx Miso/Mosi/Sclk pin modes
Remove CanDriver as no longer required Clean-up PinTable
Diffstat (limited to 'src/Hardware')
-rw-r--r--src/Hardware/SAME70/CanDriver.cpp833
-rw-r--r--src/Hardware/SAME70/CanDriver.h1152
2 files changed, 0 insertions, 1985 deletions
diff --git a/src/Hardware/SAME70/CanDriver.cpp b/src/Hardware/SAME70/CanDriver.cpp
deleted file mode 100644
index f25d60f2..00000000
--- a/src/Hardware/SAME70/CanDriver.cpp
+++ /dev/null
@@ -1,833 +0,0 @@
-/**
- * \file
- *
- * \brief SAM Control Area Network (MCAN) Low Level Driver
- *
- * Copyright (c) 2015-2019 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- *
- */
-/*
- * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
- */
-
-#include "CanDriver.h"
-
-#if SUPPORT_CAN_EXPANSION
-
-#include <sam/drivers/pmc/pmc.h>
-#include <cstring>
-
-// Values from conf_mcan.h
-
-/*
- * Below is the message RAM setting, it will be stored in the system RAM.
- * Please adjust the message size according to your application.
- */
-/** Range: 1..64 */
-#define CONF_MCAN0_RX_FIFO_0_NUM 16
-/** Range: 1..64 */
-#define CONF_MCAN0_RX_FIFO_1_NUM 16
-/** Range: 1..64 */
-#define CONF_MCAN0_RX_BUFFER_NUM 4
-/** Range: 1..16 */
-#define CONF_MCAN0_TX_BUFFER_NUM 6
-/** Range: 1..16 */
-#define CONF_MCAN0_TX_FIFO_QUEUE_NUM 8
-/** Range: 1..32 */
-#define CONF_MCAN0_TX_EVENT_FIFO 16
-/** Range: 1..128 */
-#define CONF_MCAN0_RX_STANDARD_ID_FILTER_NUM 1
-/** Range: 1..64 */
-#define CONF_MCAN0_RX_EXTENDED_ID_FILTER_NUM 3
-/** Range: 1..64 */
-#define CONF_MCAN1_RX_FIFO_0_NUM 16
-/** Range: 1..64 */
-#define CONF_MCAN1_RX_FIFO_1_NUM 16
-/** Range: 1..64 */
-#define CONF_MCAN1_RX_BUFFER_NUM 4
-/** Range: 1..16 */
-#define CONF_MCAN1_TX_BUFFER_NUM 6
-/** Range: 1..16 */
-#define CONF_MCAN1_TX_FIFO_QUEUE_NUM 8
-/** Range: 1..32 */
-#define CONF_MCAN1_TX_EVENT_FIFO 16
-/** Range: 1..128 */
-#define CONF_MCAN1_RX_STANDARD_ID_FILTER_NUM 1
-/** Range: 1..64 */
-#define CONF_MCAN1_RX_EXTENDED_ID_FILTER_NUM 3
-
-/**
- * The setting of the nominal bit rate is based on the PCK5 which is 48M which you can
- * change in the conf_clock.h. Below is the default configuration. The
- * time quanta is 48MHz. And each bit is (1 + NTSEG1 + 1 + NTSEG2 + 1) = 48 time
- * quanta which means the bit rate is 48MHz/49 = 1Mbps.
- */
-/** Nominal bit Baud Rate Prescaler */
-#define CONF_MCAN_NBTP_NBRP_VALUE (1 - 1)
-/** Nominal bit (Re)Synchronization Jump Width */
-#define CONF_MCAN_NBTP_NSJW_VALUE (8 - 1)
-/** Nominal bit Time segment before sample point */
-#define CONF_MCAN_NBTP_NTSEG1_VALUE (26 - 1)
-/** Nominal bit Time segment after sample point */
-#define CONF_MCAN_NBTP_NTSEG2_VALUE (21 - 1)
-
-/*
- * The setting of the data bit rate is based on the PCK5 which is 48M which you can
- * change. Below is the default configuration. The
- * time quanta is 48MHz / (0+1) = 48MHz. And each bit is (1 + FTSEG1 + 1 + FTSEG2 + 1) = 12 time
- * quanta which means the bit rate is 48MHz/12=4MHz.
- */
-/** Data bit Baud Rate Prescaler */
-#define CONF_MCAN_FBTP_FBRP_VALUE (1 - 1)
-/** Data bit (Re)Synchronization Jump Width */
-#define CONF_MCAN_FBTP_FSJW_VALUE (3 - 1)
-/** Data bit Time segment before sample point */
-#define CONF_MCAN_FBTP_FTSEG1_VALUE (8 - 1)
-/** Data bit Time segment after sample point */
-#define CONF_MCAN_FBTP_FTSEG2_VALUE (3 - 1)
-
-
-/* PCK5 ID assigned to MCAN module */
-#define PMC_PCK_5 5
-/* Get a value of 2 to 15 bit. */
-#define BIT_2_TO_15_MASK 0x0000fffc
-
-/* Message ram definition. */
-#define CanMemory __attribute__ ((section (".CanMessage")))
-alignas(4) CanMemory static struct mcan_rx_element mcan0_rx_buffer[CONF_MCAN0_RX_BUFFER_NUM];
-alignas(4) CanMemory static struct mcan_rx_element mcan0_rx_fifo_0[CONF_MCAN0_RX_FIFO_0_NUM];
-alignas(4) CanMemory static struct mcan_rx_element mcan0_rx_fifo_1[CONF_MCAN0_RX_FIFO_1_NUM];
-alignas(4) CanMemory static struct mcan_tx_element mcan0_tx_buffer[CONF_MCAN0_TX_BUFFER_NUM + CONF_MCAN0_TX_FIFO_QUEUE_NUM];
-alignas(4) CanMemory static struct mcan_tx_event_element mcan0_tx_event_fifo[CONF_MCAN0_TX_EVENT_FIFO];
-alignas(4) CanMemory static struct mcan_standard_message_filter_element mcan0_rx_standard_filter[CONF_MCAN0_RX_STANDARD_ID_FILTER_NUM];
-alignas(4) CanMemory static struct mcan_extended_message_filter_element mcan0_rx_extended_filter[CONF_MCAN0_RX_EXTENDED_ID_FILTER_NUM];
-
-alignas(4) CanMemory static struct mcan_rx_element mcan1_rx_buffer[CONF_MCAN1_RX_BUFFER_NUM];
-alignas(4) CanMemory static struct mcan_rx_element mcan1_rx_fifo_0[CONF_MCAN1_RX_FIFO_0_NUM];
-alignas(4) CanMemory static struct mcan_rx_element mcan1_rx_fifo_1[CONF_MCAN1_RX_FIFO_1_NUM];
-alignas(4) CanMemory static struct mcan_tx_element mcan1_tx_buffer[CONF_MCAN1_TX_BUFFER_NUM + CONF_MCAN1_TX_FIFO_QUEUE_NUM];
-alignas(4) CanMemory static struct mcan_tx_event_element mcan1_tx_event_fifo[CONF_MCAN1_TX_EVENT_FIFO];
-alignas(4) CanMemory static struct mcan_standard_message_filter_element mcan1_rx_standard_filter[CONF_MCAN1_RX_STANDARD_ID_FILTER_NUM];
-alignas(4) CanMemory static struct mcan_extended_message_filter_element mcan1_rx_extended_filter[CONF_MCAN1_RX_EXTENDED_ID_FILTER_NUM];
-
-static constexpr uint8_t dlc2len[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64};
-
-/**
- * \brief initialize MCAN memory .
- *
- * \param hw Base address of the MCAN
- *
- */
-static void _mcan_message_memory_init(Mcan *hw) noexcept
-{
- if (hw == MCAN0) {
- hw->MCAN_SIDFC = ((uint32_t)mcan0_rx_standard_filter & BIT_2_TO_15_MASK) |
- MCAN_SIDFC_LSS(CONF_MCAN0_RX_STANDARD_ID_FILTER_NUM);
- hw->MCAN_XIDFC = ((uint32_t)mcan0_rx_extended_filter & BIT_2_TO_15_MASK) |
- MCAN_XIDFC_LSE(CONF_MCAN0_RX_EXTENDED_ID_FILTER_NUM);
- hw->MCAN_RXF0C = ((uint32_t)mcan0_rx_fifo_0 & BIT_2_TO_15_MASK) |
- MCAN_RXF0C_F0S(CONF_MCAN0_RX_FIFO_0_NUM);
- hw->MCAN_RXF1C = ((uint32_t)mcan0_rx_fifo_1 & BIT_2_TO_15_MASK) |
- MCAN_RXF1C_F1S(CONF_MCAN0_RX_FIFO_1_NUM);
- hw->MCAN_RXBC = ((uint32_t)mcan0_rx_buffer & BIT_2_TO_15_MASK);
- hw->MCAN_TXBC = ((uint32_t)mcan0_tx_buffer & BIT_2_TO_15_MASK) |
- MCAN_TXBC_NDTB(CONF_MCAN0_TX_BUFFER_NUM) |
- MCAN_TXBC_TFQS(CONF_MCAN0_TX_FIFO_QUEUE_NUM);
- hw->MCAN_TXEFC = ((uint32_t)mcan0_tx_event_fifo & BIT_2_TO_15_MASK) |
- MCAN_TXEFC_EFS(CONF_MCAN0_TX_EVENT_FIFO);
- } else if (hw == MCAN1) {
- hw->MCAN_SIDFC = ((uint32_t)mcan1_rx_standard_filter & BIT_2_TO_15_MASK) |
- MCAN_SIDFC_LSS(CONF_MCAN1_RX_STANDARD_ID_FILTER_NUM);
- hw->MCAN_XIDFC = ((uint32_t)mcan1_rx_extended_filter & BIT_2_TO_15_MASK) |
- MCAN_XIDFC_LSE(CONF_MCAN1_RX_EXTENDED_ID_FILTER_NUM);
- hw->MCAN_RXF0C = ((uint32_t)mcan1_rx_fifo_0 & BIT_2_TO_15_MASK) |
- MCAN_RXF0C_F0S(CONF_MCAN1_RX_FIFO_0_NUM);
- hw->MCAN_RXF1C = ((uint32_t)mcan1_rx_fifo_1 & BIT_2_TO_15_MASK) |
- MCAN_RXF1C_F1S(CONF_MCAN1_RX_FIFO_1_NUM);
- hw->MCAN_RXBC = ((uint32_t)mcan1_rx_buffer & BIT_2_TO_15_MASK);
- hw->MCAN_TXBC = ((uint32_t)mcan1_tx_buffer & BIT_2_TO_15_MASK) |
- MCAN_TXBC_NDTB(CONF_MCAN1_TX_BUFFER_NUM) |
- MCAN_TXBC_TFQS(CONF_MCAN1_TX_FIFO_QUEUE_NUM);
- hw->MCAN_TXEFC = ((uint32_t)mcan1_tx_event_fifo & BIT_2_TO_15_MASK) |
- MCAN_TXEFC_EFS(CONF_MCAN1_TX_EVENT_FIFO);
- }
-
- /**
- * The data size in conf_mcan.h should be 8/12/16/20/24/32/48/64,
- * The corresponding setting value in register is 0/1//2/3/4/5/6/7.
- * To simplify the calculation, separate to two group 8/12/16/20/24 which
- * increased with 4 and 32/48/64 which increased with 16.
- */
- if (CONF_MCAN_ELEMENT_DATA_SIZE <= 24) {
- hw->MCAN_RXESC = MCAN_RXESC_RBDS((CONF_MCAN_ELEMENT_DATA_SIZE - 8) / 4) |
- MCAN_RXESC_F0DS((CONF_MCAN_ELEMENT_DATA_SIZE - 8) / 4) |
- MCAN_RXESC_F1DS((CONF_MCAN_ELEMENT_DATA_SIZE - 8) / 4);
- hw->MCAN_TXESC = MCAN_TXESC_TBDS((CONF_MCAN_ELEMENT_DATA_SIZE - 8) / 4);
- } else {
- hw->MCAN_RXESC = MCAN_RXESC_RBDS((CONF_MCAN_ELEMENT_DATA_SIZE - 32) / 16 + 5) |
- MCAN_RXESC_F0DS((CONF_MCAN_ELEMENT_DATA_SIZE - 32) / 16 + 5) |
- MCAN_RXESC_F1DS((CONF_MCAN_ELEMENT_DATA_SIZE - 32) / 16 + 5);
- hw->MCAN_TXESC = MCAN_TXESC_TBDS((CONF_MCAN_ELEMENT_DATA_SIZE - 32) / 16 + 5);
- }
-}
-
-/**
- * \brief set default configuration when initialization.
- *
- * \param hw Base address of the MCAN
- * \param config default configuration parameters.
- */
-static void _mcan_set_configuration(Mcan *hw, mcan_config *config) noexcept
-{
-#if (SAMV71B || SAME70B || SAMV70B)
- /* Timing setting for Rev B */
- hw->MCAN_NBTP = MCAN_NBTP_NBRP(CONF_MCAN_NBTP_NBRP_VALUE) |
- MCAN_NBTP_NSJW(CONF_MCAN_NBTP_NSJW_VALUE) |
- MCAN_NBTP_NTSEG1(CONF_MCAN_NBTP_NTSEG1_VALUE) |
- MCAN_NBTP_NTSEG2(CONF_MCAN_NBTP_NTSEG2_VALUE);
- hw->MCAN_DBTP = MCAN_DBTP_DBRP(CONF_MCAN_FBTP_FBRP_VALUE) |
- MCAN_DBTP_DSJW(CONF_MCAN_FBTP_FSJW_VALUE) |
- MCAN_DBTP_DTSEG1(CONF_MCAN_FBTP_FTSEG1_VALUE) |
- MCAN_DBTP_DTSEG2(CONF_MCAN_FBTP_FTSEG2_VALUE);
-
- hw->MCAN_TDCR = MCAN_TDCR_TDCO(config->delay_compensation_offset) |
- MCAN_TDCR_TDCF(config->delay_compensation_filter_window_length);
-
- if (config->tdc_enable) {
- hw->MCAN_DBTP |= MCAN_DBTP_TDC_ENABLED;
- }
-#else
- /* Timing setting. */
- hw->MCAN_BTP = MCAN_BTP_BRP(CONF_MCAN_NBTP_NBRP_VALUE) |
- MCAN_BTP_SJW(CONF_MCAN_NBTP_NSJW_VALUE) |
- MCAN_BTP_TSEG1(CONF_MCAN_NBTP_NTSEG1_VALUE) |
- MCAN_BTP_TSEG2(CONF_MCAN_NBTP_NTSEG2_VALUE);
- hw->MCAN_FBTP = MCAN_FBTP_FBRP(CONF_MCAN_FBTP_FBRP_VALUE) |
- MCAN_FBTP_FSJW(CONF_MCAN_FBTP_FSJW_VALUE) |
- MCAN_FBTP_FTSEG1(CONF_MCAN_FBTP_FTSEG1_VALUE) |
- MCAN_FBTP_FTSEG2(CONF_MCAN_FBTP_FTSEG2_VALUE) |
- MCAN_FBTP_TDCO(config->delay_compensation_offset);
-
- if (config->tdc_enable) {
- hw->MCAN_FBTP |= MCAN_FBTP_TDC_ENABLED;
- }
-#endif
- hw->MCAN_RWD |= MCAN_RWD_WDC(config->watchdog_configuration);
-
- if (config->transmit_pause) {
- hw->MCAN_CCCR |= MCAN_CCCR_TXP;
- }
-
- if (!config->automatic_retransmission) {
- hw->MCAN_CCCR |= MCAN_CCCR_DAR;
- }
-
- if (config->clock_stop_request) {
- hw->MCAN_CCCR |= MCAN_CCCR_CSR;
- }
-
-#if 1 // DC
- hw->MCAN_TSCC = MCAN_TSCC_TSS_EXT_TIMESTAMP; // use external timestamp counter
-#else
- hw->MCAN_TSCC = MCAN_TSCC_TCP(config->timestamp_prescaler) |
- MCAN_TSCC_TSS_TCP_INC;
-#endif
-
- hw->MCAN_TOCC = MCAN_TOCC_TOP(config->timeout_period) |
- config->timeout_mode | config->timeout_enable;
-
- hw->MCAN_GFC = MCAN_GFC_ANFS(config->nonmatching_frames_action_standard) |
- MCAN_GFC_ANFE(config->nonmatching_frames_action_extended);
- if (config->remote_frames_standard_reject) {
- hw->MCAN_GFC |= MCAN_GFC_RRFS;
- }
- if (config->remote_frames_extended_reject) {
- hw->MCAN_GFC|= MCAN_GFC_RRFE;
- }
-
- hw->MCAN_XIDAM = config->extended_id_mask;
-
- if (config->rx_fifo_0_overwrite) {
- hw->MCAN_RXF0C |= MCAN_RXF0C_F0OM;
- }
- hw->MCAN_RXF0C |= MCAN_RXF0C_F0WM(config->rx_fifo_0_watermark);
-
- if (config->rx_fifo_1_overwrite) {
- hw->MCAN_RXF1C |= MCAN_RXF1C_F1OM;
- }
- hw->MCAN_RXF1C |= MCAN_RXF1C_F1WM(config->rx_fifo_1_watermark);
-
- if (config->tx_queue_mode) {
- hw->MCAN_TXBC |= MCAN_TXBC_TFQM;
- }
-
- hw->MCAN_TXEFC |= MCAN_TXEFC_EFWM(config->tx_event_fifo_watermark);
-}
-
-/**
- * \brief enable can module clock.
- *
- * \param module_inst MCAN instance
- *
- */
-static void _mcan_enable_peripheral_clock(mcan_module *const module_inst) noexcept
-{
- if (module_inst->hw == MCAN0) {
- /* Turn on the digital interface clock. */
- pmc_enable_periph_clk(ID_MCAN0);
- } else if (module_inst->hw == MCAN1) {
- /* Turn on the digital interface clock. */
- pmc_enable_periph_clk(ID_MCAN1);
- }
-}
-
-// One-time initialisation. Do not call this to reset after a bus_off condition.
-void mcan_init_once(mcan_module *const module_inst, Mcan *hw) noexcept
-{
- /* Associate the software module instance with the hardware module */
- module_inst->hw = hw;
- module_inst->taskWaitingOnFifo[0] = module_inst->taskWaitingOnFifo[1] = nullptr;
-
- pmc_disable_pck(PMC_PCK_5);
-
- // Use UPLL so the MCAN clock is independent of the CPU clock frequency
- pmc_switch_pck_to_upllck(PMC_PCK_5, PMC_PCK_PRES(9)); // run PCLK5 at 48MHz
- pmc_enable_pck(PMC_PCK_5);
-
- /* Enable peripheral clock */
- _mcan_enable_peripheral_clock(module_inst);
-}
-
-/**
- * \brief initialize can module.
- *
- * \param module_inst MCAN instance
- * \param hw Base address of MCAN.
- * \param config default configuration .
- */
-void mcan_init(mcan_module *const module_inst, struct mcan_config *config) noexcept
-{
- Mcan * const hw = module_inst->hw;
-
- /* Configuration Change Enable. */
- hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-
- /* Initialize the message memory address. */
- _mcan_message_memory_init(hw);
-
- /* Set the configuration. */
- _mcan_set_configuration(hw, config);
-
- /* Enable the interrupt setting which no need change. */
- hw->MCAN_ILE = MCAN_ILE_EINT0 | MCAN_ILE_EINT1;
- hw->MCAN_TXBTIE = 0xFFFFFFFFul;
- hw->MCAN_TXBCIE = 0xFFFFFFFFul;
-}
-
-/**
- * \brief start can module after initialization.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_start(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT);
-}
-
-/**
- * \brief stop mcan module when bus off occurs
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_stop(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
-}
-
-/**
- * \brief switch mcan module into fd mode.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_enable_fd_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-#if (SAMV71B || SAME70B || SAMV70B)
- module_inst->hw->MCAN_CCCR |= (MCAN_CCCR_FDOE | MCAN_CCCR_BRSE);
-#else
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CME(2);
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CMR(2);
-#endif
-}
-
-/**
- * \brief disable fd mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_disable_fd_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-#if (SAMV71B || SAME70B || SAMV70B)
- module_inst->hw->MCAN_CCCR &= MCAN_CCCR_FDOE;
-#else
- module_inst->hw->MCAN_CCCR &= MCAN_CCCR_CME(MCAN_CCCR_CME_ISO11898_1);
-#endif
-}
-
-/**
- * \brief enable restricted mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_enable_restricted_operation_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_ASM;
-}
-
-/**
- * \brief disable restricted mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_disable_restricted_operation_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_ASM;
-}
-
-/**
- * \brief enable bus monitor mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_enable_bus_monitor_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_MON;
-}
-
-/**
- * \brief disable bus monitor mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_disable_bus_monitor_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_MON;
-}
-
-/**
- * \brief enable sleep mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_enable_sleep_mode(mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CSR;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
-
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_CSA));
-}
-
-/**
- * \brief disable sleep mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_disable_sleep_mode(struct mcan_module *const module_inst) noexcept
-{
- /* Enable peripheral clock */
- _mcan_enable_peripheral_clock(module_inst);
-
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_CSR;
- while ((module_inst->hw->MCAN_CCCR & MCAN_CCCR_CSA));
-}
-
-/**
- * \brief enable test mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_enable_test_mode(struct mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_INIT;
- /* Wait for the sync. */
- while (!(module_inst->hw->MCAN_CCCR & MCAN_CCCR_INIT));
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE;
-
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_TEST;
- module_inst->hw->MCAN_TEST |= MCAN_TEST_LBCK;
-}
-
-/**
- * \brief disable test mode of mcan module.
- *
- * \param module_inst MCAN instance
- *
- */
-void mcan_disable_test_mode(struct mcan_module *const module_inst) noexcept
-{
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_TEST;
-}
-
-/**
- * \brief set standard receive CAN ID.
- *
- * \param module_inst MCAN instance
- * \param sd_filter structure of CAN ID
- * \param index CAN messages memory index for different CAN ID
- *
- * \return status code.
- */
-status_code mcan_set_rx_standard_filter(struct mcan_module *const module_inst, struct mcan_standard_message_filter_element *sd_filter, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- mcan0_rx_standard_filter[index].S0.reg = sd_filter->S0.reg;
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- mcan1_rx_standard_filter[index].S0.reg = sd_filter->S0.reg;
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief set extended receive CAN ID.
- *
- * \param module_inst MCAN instance
- * \param sd_filter structure of extended CAN ID
- * \param index CAN messages memory index for different CAN ID
- *
- * \return status code.
- */
-status_code mcan_set_rx_extended_filter(struct mcan_module *const module_inst, struct mcan_extended_message_filter_element *et_filter, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- mcan0_rx_extended_filter[index].F0.reg = et_filter->F0.reg;
- mcan0_rx_extended_filter[index].F1.reg = et_filter->F1.reg;
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- mcan1_rx_extended_filter[index].F0.reg = et_filter->F0.reg;
- mcan1_rx_extended_filter[index].F1.reg = et_filter->F1.reg;
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief get dedicated rx buffer element .
- *
- * \param module_inst MCAN instance
- * \param rx_element structure of element
- * \param index CAN messages memory index for receiving CAN ID
- *
- * \return status code.
- */
-status_code mcan_get_rx_buffer_element(struct mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- *rx_element = mcan0_rx_buffer[index];
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- *rx_element = mcan1_rx_buffer[index];
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief get FIFO rx buffer element .
- *
- * \param module_inst MCAN instance
- * \param rx_element structure of element
- * \param index CAN messages memory index for receiving CAN ID
- *
- * \return status code.
- */
-status_code mcan_get_rx_fifo_0_element(struct mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- *rx_element = mcan0_rx_fifo_0[index];
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- *rx_element = mcan1_rx_fifo_0[index];
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief get FIFO rx buffer element .
- *
- * \param module_inst MCAN instance
- * \param rx_element structure of element
- * \param index CAN messages memory index for receiving CAN ID
- *
- * \return status code.
- */
-status_code mcan_get_rx_fifo_1_element(struct mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- *rx_element = mcan0_rx_fifo_1[index];
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- *rx_element = mcan1_rx_fifo_1[index];
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief set dedicated transmit buffer element .
- *
- * \param module_inst MCAN instance
- * \param tx_element structure of element
- * \param index CAN messages memory index for transmitting CAN ID
- *
- * \return status code.
- */
-status_code mcan_set_tx_buffer_element(struct mcan_module *const module_inst, struct mcan_tx_element *tx_element, uint32_t index) noexcept
-{
- uint32_t i;
- if (module_inst->hw == MCAN0) {
- mcan0_tx_buffer[index].T0.reg = tx_element->T0.reg;
- mcan0_tx_buffer[index].T1.reg = tx_element->T1.reg;
- for (i = 0; i < CONF_MCAN_ELEMENT_DATA_SIZE; i++) {
- mcan0_tx_buffer[index].data[i] = tx_element->data[i];
- }
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- mcan1_tx_buffer[index].T0.reg = tx_element->T0.reg;
- mcan1_tx_buffer[index].T1.reg = tx_element->T1.reg;
- for (i = 0; i < CONF_MCAN_ELEMENT_DATA_SIZE; i++) {
- mcan1_tx_buffer[index].data[i] = tx_element->data[i];
- }
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-/**
- * \brief set FIFO transmit buffer element .
- *
- * \param module_inst MCAN instance
- * \param tx_element structure of element
- * \param index CAN messages memory index for transmitting CAN ID
- *
- * \return status code.
- */
-status_code mcan_get_tx_event_fifo_element(struct mcan_module *const module_inst, struct mcan_tx_event_element *tx_event_element, uint32_t index) noexcept
-{
- if (module_inst->hw == MCAN0) {
- tx_event_element->E0.reg = mcan0_tx_event_fifo[index].E0.reg;
- tx_event_element->E1.reg = mcan0_tx_event_fifo[index].E1.reg;
- return STATUS_OK;
- } else if (module_inst->hw == MCAN1) {
- tx_event_element->E0.reg = mcan1_tx_event_fifo[index].E0.reg;
- tx_event_element->E1.reg = mcan1_tx_event_fifo[index].E1.reg;
- return STATUS_OK;
- }
- return ERR_INVALID_ARG;
-}
-
-// Send extended CAN message in FD mode using a dedicated transmit buffer. The transmit buffer must already be free.
-status_code mcan_fd_send_ext_message_no_wait(mcan_module *const module_inst, uint32_t id_value, const uint8_t *data, size_t dataLength, uint32_t whichTxBuffer, bool bitRateSwitch, uint8_t marker) noexcept
-{
- const uint32_t dlc = (dataLength <= 8) ? dataLength
- : (dataLength <= 24) ? ((dataLength + 3) >> 2) + 6
- : ((dataLength + 15) >> 4) + 11;
- mcan_tx_element tx_element;
- tx_element.T0.reg = MCAN_TX_ELEMENT_T0_EXTENDED_ID(id_value) | MCAN_TX_ELEMENT_T0_XTD;
- tx_element.T1.reg = MCAN_TX_ELEMENT_T1_DLC(dlc)
- | MCAN_TX_ELEMENT_T1_EFC
- | MCAN_TX_ELEMENT_T1_FDF
- | MCAN_TX_ELEMENT_T1_MM(marker)
- | ((bitRateSwitch) ? MCAN_TX_ELEMENT_T1_BRS : 0)
- | ((marker != 0) ? MCAN_TX_ELEMENT_T1_EFC : 0);
-
- memcpy(tx_element.data, data, dataLength);
-
- // Set any extra data we will be sending to zero
- const size_t roundedUpLength = dlc2len[dlc];
- memset(tx_element.data + dataLength, 0, roundedUpLength - dataLength);
-
- status_code rc = mcan_set_tx_buffer_element(module_inst, &tx_element, whichTxBuffer);
- if (rc == STATUS_OK)
- {
- rc = mcan_tx_transfer_request(module_inst, (uint32_t)1 << whichTxBuffer);
- }
- return rc;
-}
-
-// Wait for a specified buffer to become free. If it's still not free after the timeout, cancel the pending transmission.
-// Return true if we cancelled the pending transmission.
-bool WaitForTxBufferFree(mcan_module *const module_inst, uint32_t whichTxBuffer, uint32_t maxWait) noexcept
-{
- const uint32_t trigMask = (uint32_t)1 << whichTxBuffer;
- if ((module_inst->hw->MCAN_TXBRP & trigMask) != 0)
- {
- // Wait for the timeout period for the message to be sent
- const uint32_t startTime = millis();
- do
- {
- delay(1);
- if ((module_inst->hw->MCAN_TXBRP & trigMask) == 0)
- {
- return false;
- }
- } while (millis() - startTime < maxWait);
-
- // The last message still hasn't been sent, so cancel it
- module_inst->hw->MCAN_TXBCR = trigMask;
- while ((module_inst->hw->MCAN_TXBRP & trigMask) != 0)
- {
- delay(1);
- }
- return true;
- }
- return false;
-}
-
-// Get a message from a FIFO with timeout. Return true if successful, false if we timed out
-bool GetMessageFromFifo(mcan_module *const module_inst, CanMessageBuffer *buf, unsigned int fifoNumber, uint32_t timeout) noexcept
-{
- volatile uint32_t* const fifoRegisters = &(module_inst->hw->MCAN_RXF0S) + (4 * fifoNumber); // pointer to FIFO status register followed by FIFO acknowledge register
- module_inst->taskWaitingOnFifo[fifoNumber] = TaskBase::GetCallerTaskHandle();
- while (true)
- {
- const uint32_t status = fifoRegisters[0]; // get FIFO status
- if ((status & MCAN_RXF0S_F0FL_Msk) != 0) // if there are any messages
- {
- const uint32_t getIndex = (status & MCAN_RXF0S_F0GI_Msk) >> MCAN_RXF0S_F0GI_Pos;
- mcan_rx_element elem;
- if (fifoNumber == 1)
- {
- mcan_get_rx_fifo_1_element(module_inst, &elem, getIndex); // copy the data (TODO use our own driver, avoid double copying)
- }
- else
- {
- mcan_get_rx_fifo_0_element(module_inst, &elem, getIndex); // copy the data (TODO use our own driver, avoid double copying)
- }
- fifoRegisters[1] = getIndex; // acknowledge it, release the FIFO entry
-
- if (elem.R0.bit.XTD == 1 && elem.R0.bit.RTR != 1) // if extended address and not a remote frame
- {
- // Copy the message and accompanying data to our buffer
- buf->id.SetReceivedId(elem.R0.bit.ID);
- buf->dataLength = dlc2len[elem.R1.bit.DLC];
- memcpy(buf->msg.raw, elem.data, buf->dataLength);
- module_inst->taskWaitingOnFifo[fifoNumber] = nullptr;
- return true;
- }
- }
- else if (!TaskBase::Take(timeout))
- {
- module_inst->taskWaitingOnFifo[fifoNumber] = nullptr;
- return false;
- }
- }
-}
-
-void GetLocalCanTiming(mcan_module *const module_inst, CanTiming& timing) noexcept
-{
- const uint32_t nbtp = module_inst->hw->MCAN_NBTP;
- const uint32_t tseg1 = (nbtp & MCAN_NBTP_NTSEG1_Msk) >> MCAN_NBTP_NTSEG1_Pos;
- const uint32_t tseg2 = (nbtp & MCAN_NBTP_NTSEG2_Msk) >> MCAN_NBTP_NTSEG2_Pos;
- const uint32_t jw = (nbtp & MCAN_NBTP_NSJW_Msk) >> MCAN_NBTP_NSJW_Pos;
- const uint32_t brp = (nbtp & MCAN_NBTP_NBRP_Msk) >> MCAN_NBTP_NBRP_Pos;
- timing.period = (tseg1 + tseg2 + 3) * (brp + 1);
- timing.tseg1 = (tseg1 + 1) * (brp + 1);
- timing.jumpWidth = (jw + 1) * (brp + 1);
-}
-
-void ChangeLocalCanTiming(mcan_module *const module_inst, const CanTiming& timing) noexcept
-{
- // Sort out the bit timing
- uint32_t period = timing.period;
- uint32_t tseg1 = timing.tseg1;
- uint32_t jumpWidth = timing.jumpWidth;
- uint32_t prescaler = 1; // 48MHz main clock
- uint32_t tseg2;
-
- for (;;)
- {
- tseg2 = period - tseg1 - 1;
- if (tseg1 <= 32 && tseg2 <= 16 && jumpWidth <= 16)
- {
- break;
- }
- prescaler <<= 1;
- period >>= 1;
- tseg1 >>= 1;
- jumpWidth >>= 1;
- }
-
- //TODO stop transmissions in an orderly fashion, or postpone initialising CAN until we have the timing data
- module_inst->hw->MCAN_CCCR |= MCAN_CCCR_CCE | MCAN_CCCR_INIT;
- module_inst->hw->MCAN_NBTP = ((tseg1 - 1) << MCAN_NBTP_NTSEG1_Pos)
- | ((tseg2 - 1) << MCAN_NBTP_NTSEG2_Pos)
- | ((jumpWidth - 1) << MCAN_NBTP_NSJW_Pos)
- | ((prescaler - 1) << MCAN_NBTP_NBRP_Pos);
- module_inst->hw->MCAN_CCCR &= ~MCAN_CCCR_CCE;
-}
-
-
-#endif // SUPPORT_CAN_EXPANSION
-
-// End
-
diff --git a/src/Hardware/SAME70/CanDriver.h b/src/Hardware/SAME70/CanDriver.h
deleted file mode 100644
index 3ff425f3..00000000
--- a/src/Hardware/SAME70/CanDriver.h
+++ /dev/null
@@ -1,1152 +0,0 @@
-/**
- * \file
- *
- * \brief SAM Control Area Network (MCAN) Low Level Driver
- *
- * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- *
- */
-/*
- * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
- */
-
-
-#ifndef SRC_HARDWARE_CANDRIVER_H_
-#define SRC_HARDWARE_CANDRIVER_H_
-
-#include <RepRapFirmware.h>
-
-#if SUPPORT_CAN_EXPANSION
-
-#include <CanSettings.h>
-#include <CanMessageBuffer.h>
-#include <RTOSIface/RTOSIface.h>
-#include <status_codes.h>
-
-/** The value should be 8/12/16/20/24/32/48/64. */
-#define CONF_MCAN_ELEMENT_DATA_SIZE 64
-
-/* -------- MCAN_RX_ELEMENT_R0 : (MCAN RX element: 0x00) (R/W 32) Rx Element R0 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..28 Identifier */
- uint32_t ID:29;
- /* bit: 29 Remote Transmission Request */
- uint32_t RTR:1;
- /* bit: 30 Extended Identifier */
- uint32_t XTD:1;
- /* bit: 31 Error State Indicator */
- uint32_t ESI:1;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_RX_ELEMENT_R0_Type;
-
-#define MCAN_RX_ELEMENT_R0_ID_Pos 0
-#define MCAN_RX_ELEMENT_R0_ID_Msk (0x1FFFFFFFul << MCAN_RX_ELEMENT_R0_ID_Pos)
-#define MCAN_RX_ELEMENT_R0_ID(value) ((MCAN_RX_ELEMENT_R0_ID_Msk & ((value) << MCAN_RX_ELEMENT_R0_ID_Pos)))
-#define MCAN_RX_ELEMENT_R0_RTR_Pos 29
-#define MCAN_RX_ELEMENT_R0_RTR (0x1ul << MCAN_RX_ELEMENT_R0_RTR_Pos)
-#define MCAN_RX_ELEMENT_R0_XTD_Pos 30
-#define MCAN_RX_ELEMENT_R0_XTD (0x1ul << MCAN_RX_ELEMENT_R0_XTD_Pos)
-#define MCAN_RX_ELEMENT_R0_ESI_Pos 31
-#define MCAN_RX_ELEMENT_R0_ESI (0x1ul << MCAN_RX_ELEMENT_R0_ESI_Pos)
-
-/* -------- MCAN_RX_ELEMENT_R1 : (MCAN RX element: 0x01) (R/W 32) Rx Element R1 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..15 Rx Timestamp */
- uint32_t RXTS:16;
- /* bit: 16..19 Data Length Code */
- uint32_t DLC:4;
- /* bit: 20 Bit Rate Switch */
- uint32_t BRS:1;
- /* bit: 21 FD Format */
- uint32_t EDL:1;
- /* bit: 22..23 Reserved */
- uint32_t :2;
- /* bit: 24..30 Filter Index */
- uint32_t FIDX:7;
- /* bit: 31 Accepted Non-matching Frame */
- uint32_t ANMF:1;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_RX_ELEMENT_R1_Type;
-
-#define MCAN_RX_ELEMENT_R1_RXTS_Pos 0
-#define MCAN_RX_ELEMENT_R1_RXTS_Msk (0xFFFFul << MCAN_RX_ELEMENT_R1_RXTS_Pos)
-#define MCAN_RX_ELEMENT_R1_RXTS(value) ((MCAN_RX_ELEMENT_R1_RXTS_Msk & ((value) << MCAN_RX_ELEMENT_R1_RXTS_Pos)))
-#define MCAN_RX_ELEMENT_R1_DLC_Pos 16
-#define MCAN_RX_ELEMENT_R1_DLC_Msk (0xFul << MCAN_RX_ELEMENT_R1_DLC_Pos)
-#define MCAN_RX_ELEMENT_R1_DLC(value) ((MCAN_RX_ELEMENT_R1_DLC_Msk & ((value) << MCAN_RX_ELEMENT_R1_DLC_Pos)))
-#define MCAN_RX_ELEMENT_R1_BRS_Pos 20
-#define MCAN_RX_ELEMENT_R1_BRS (0x1ul << MCAN_RX_ELEMENT_R1_BRS_Pos)
-#define MCAN_RX_ELEMENT_R1_FDF_Pos 21
-#define MCAN_RX_ELEMENT_R1_FDF (0x1ul << MCAN_RX_ELEMENT_R1_FDF_Pos)
-#define MCAN_RX_ELEMENT_R1_FIDX_Pos 24
-#define MCAN_RX_ELEMENT_R1_FIDX_Msk (0x7Ful << MCAN_RX_ELEMENT_R1_FIDX_Pos)
-#define MCAN_RX_ELEMENT_R1_FIDX(value) ((MCAN_RX_ELEMENT_R1_FIDX_Msk & ((value) << MCAN_RX_ELEMENT_R1_FIDX_Pos)))
-#define MCAN_RX_ELEMENT_R1_ANMF_Pos 31
-#define MCAN_RX_ELEMENT_R1_ANMF (0x1ul << MCAN_RX_ELEMENT_R1_ANMF_Pos)
-
-//TODO there is no need for these 3 structs to be different
-/**
- * \brief MCAN receive element structure for buffer.
- */
-struct mcan_rx_element {
- __IO MCAN_RX_ELEMENT_R0_Type R0;
- __IO MCAN_RX_ELEMENT_R1_Type R1;
- uint8_t data[CONF_MCAN_ELEMENT_DATA_SIZE];
-
- mcan_rx_element& operator=(const mcan_rx_element& other)
- {
- R0.reg = other.R0.reg;
- R1.reg = other.R1.reg;
- memcpy(data, other.data, sizeof(data));
- return *this;
- }
-};
-
-/* -------- MCAN_TX_ELEMENT_T0 : (MCAN TX element: 0x00) (R/W 32) Tx Element T0 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..28 Identifier */
- uint32_t ID:29;
- /* bit: 29 Remote Transmission Request */
- uint32_t RTR:1;
- /* bit: 30 Extended Identifier */
- uint32_t XTD:1;
-#if (SAMV71B || SAME70B || SAMV70B)
- /* bit: 31 Error State Indicator */
- uint32_t ESI:1;
-#else
- /* bit: 31 Reserved */
- uint32_t :1;
-#endif
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_TX_ELEMENT_T0_Type;
-
-#define MCAN_TX_ELEMENT_T0_EXTENDED_ID_Pos 0
-#define MCAN_TX_ELEMENT_T0_EXTENDED_ID_Msk (0x1FFFFFFFul << MCAN_TX_ELEMENT_T0_EXTENDED_ID_Pos)
-#define MCAN_TX_ELEMENT_T0_EXTENDED_ID(value) ((MCAN_TX_ELEMENT_T0_EXTENDED_ID_Msk & ((value) << MCAN_TX_ELEMENT_T0_EXTENDED_ID_Pos)))
-#define MCAN_TX_ELEMENT_T0_STANDARD_ID_Pos 18
-#define MCAN_TX_ELEMENT_T0_STANDARD_ID_Msk (0x7FFul << MCAN_TX_ELEMENT_T0_STANDARD_ID_Pos)
-#define MCAN_TX_ELEMENT_T0_STANDARD_ID(value) ((MCAN_TX_ELEMENT_T0_STANDARD_ID_Msk & ((value) << MCAN_TX_ELEMENT_T0_STANDARD_ID_Pos)))
-#define MCAN_TX_ELEMENT_T0_RTR_Pos 29
-#define MCAN_TX_ELEMENT_T0_RTR (0x1ul << MCAN_TX_ELEMENT_T0_RTR_Pos)
-#define MCAN_TX_ELEMENT_T0_XTD_Pos 30
-#define MCAN_TX_ELEMENT_T0_XTD (0x1ul << MCAN_TX_ELEMENT_T0_XTD_Pos)
-#if (SAMV71B || SAME70B || SAMV70B)
-#define MCAN_TX_ELEMENT_T0_ESI_Pos 31
-#define MCAN_TX_ELEMENT_T0_ESI (0x1ul << MCAN_TX_ELEMENT_T0_ESI_Pos)
-#endif
-
-/* -------- MCAN_TX_ELEMENT_T1 : (MCAN TX element: 0x01) (R/W 32) Tx Element T1 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..15 Reserved */
- uint32_t :16;
- /* bit: 16..19 Data Length Code */
- uint32_t DLC:4;
-#if (SAMV71B || SAME70B || SAMV70B)
- /* bit: 20 Bit Rate Switch */
- uint32_t BRS:1;
- /* bit: 21 FD Format */
- uint32_t FDF:1;
- /* bit: 22 Reserved */
- uint32_t :1;
-#else
- /* bit: 20..22 Reserved */
- uint32_t :3;
-#endif
- /* bit: 23 Event FIFO Control */
- uint32_t EFCC:1;
- /* bit: 24..31 Message Marker */
- uint32_t MM:8;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_TX_ELEMENT_T1_Type;
-
-#define MCAN_TX_ELEMENT_T1_DLC_Pos 16
-#define MCAN_TX_ELEMENT_T1_DLC_Msk (0xFul << MCAN_TX_ELEMENT_T1_DLC_Pos)
-#define MCAN_TX_ELEMENT_T1_DLC(value) ((MCAN_TX_ELEMENT_T1_DLC_Msk & ((value) << MCAN_TX_ELEMENT_T1_DLC_Pos)))
-/**< \brief (MCAN_RXESC) 8 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA8_Val 0x8ul
-/**< \brief (MCAN_RXESC) 12 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA12_Val 0x9ul
-/**< \brief (MCAN_RXESC) 16 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA16_Val 0xAul
-/**< \brief (MCAN_RXESC) 20 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA20_Val 0xBul
-/**< \brief (MCAN_RXESC) 24 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA24_Val 0xCul
-/**< \brief (MCAN_RXESC) 32 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA32_Val 0xDul
-/**< \brief (MCAN_RXESC) 48 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA48_Val 0xEul
-/**< \brief (MCAN_RXESC) 64 byte data field */
-#define MCAN_TX_ELEMENT_T1_DLC_DATA64_Val 0xFul
-#if (SAMV71B || SAME70B || SAMV70B)
-#define MCAN_TX_ELEMENT_T1_BRS_Pos 20
-#define MCAN_TX_ELEMENT_T1_BRS (0x1ul << MCAN_TX_ELEMENT_T1_BRS_Pos)
-#define MCAN_TX_ELEMENT_T1_FDF_Pos 21
-#define MCAN_TX_ELEMENT_T1_FDF (0x1ul << MCAN_TX_ELEMENT_T1_FDF_Pos)
-#endif
-#define MCAN_TX_ELEMENT_T1_EFC_Pos 23
-#define MCAN_TX_ELEMENT_T1_EFC (0x1ul << MCAN_TX_ELEMENT_T1_EFC_Pos)
-#define MCAN_TX_ELEMENT_T1_MM_Pos 24
-#define MCAN_TX_ELEMENT_T1_MM_Msk (0xFFul << MCAN_TX_ELEMENT_T1_MM_Pos)
-#define MCAN_TX_ELEMENT_T1_MM(value) ((MCAN_TX_ELEMENT_T1_MM_Msk & ((value) << MCAN_TX_ELEMENT_T1_MM_Pos)))
-
-/**
- * \brief MCAN transfer element structure.
- *
- * Common element structure for transfer buffer and FIFO/QUEUE.
- */
-struct mcan_tx_element {
- __IO MCAN_TX_ELEMENT_T0_Type T0;
- __IO MCAN_TX_ELEMENT_T1_Type T1;
- uint8_t data[CONF_MCAN_ELEMENT_DATA_SIZE];
-};
-
-/* -------- MCAN_TX_EVENT_ELEMENT_E0 : (MCAN TX event element: 0x00) (R/W 32) Tx Event Element E0 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..28 Identifier */
- uint32_t ID:29;
- /* bit: 29 Remote Transmission Request */
- uint32_t RTR:1;
- /* bit: 30 Extended Identifier */
- uint32_t XTD:1;
- /* bit: 31 Error State Indicator */
- uint32_t ESI:1;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_TX_EVENT_ELEMENT_E0_Type;
-
-#define MCAN_TX_EVENT_ELEMENT_E0_ID_Pos 0
-#define MCAN_TX_EVENT_ELEMENT_E0_ID_Msk (0x1FFFFFFFul << MCAN_TX_EVENT_ELEMENT_E0_ID_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E0_ID(value) ((MCAN_TX_EVENT_ELEMENT_E0_ID_Msk & ((value) << MCAN_TX_EVENT_ELEMENT_E0_ID_Pos)))
-#define MCAN_TX_EVENT_ELEMENT_E0_RTR_Pos 29
-#define MCAN_TX_EVENT_ELEMENT_E0_RTR (0x1ul << MCAN_TX_EVENT_ELEMENT_E0_RTR_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E0_XTD_Pos 30
-#define MCAN_TX_EVENT_ELEMENT_E0_XTD (0x1ul << MCAN_TX_EVENT_ELEMENT_E0_XTD_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E0_ESI_Pos 31
-#define MCAN_TX_EVENT_ELEMENT_E0_ESI (0x1ul << MCAN_TX_EVENT_ELEMENT_E0_ESI_Pos)
-
-/* -------- MCAN_TX_EVENT_ELEMENT_E1 : (MCAN TX event element: 0x01) (R/W 32) Tx Event Element E1 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..15 Tx Timestamp */
- uint32_t TXTS:16;
- /* bit: 16..19 Data Length Code */
- uint32_t DLC:4;
- /* bit: 20 Bit Rate Switch */
- uint32_t BRS:1;
- /* bit: 21 FD Format */
- uint32_t EDL:1;
- /* bit: 22..23 Event Type */
- uint32_t ET:2;
- /* bit: 24..31 Message Marker */
- uint32_t MM:8;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_TX_EVENT_ELEMENT_E1_Type;
-
-#define MCAN_TX_EVENT_ELEMENT_E1_TXTS_Pos 0
-#define MCAN_TX_EVENT_ELEMENT_E1_TXTS_Msk (0xFFFFul << MCAN_TX_EVENT_ELEMENT_E1_TXTS_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_TXTS(value) ((MCAN_TX_EVENT_ELEMENT_E1_TXTS_Msk & ((value) << MCAN_TX_EVENT_ELEMENT_E1_TXTS_Pos)))
-#define MCAN_TX_EVENT_ELEMENT_E1_DLC_Pos 16
-#define MCAN_TX_EVENT_ELEMENT_E1_DLC_Msk (0xFul << MCAN_TX_EVENT_ELEMENT_E1_DLC_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_DLC(value) ((MCAN_TX_EVENT_ELEMENT_E1_DLC_Msk & ((value) << MCAN_TX_EVENT_ELEMENT_E1_DLC_Pos)))
-#define MCAN_TX_EVENT_ELEMENT_E1_BRS_Pos 20
-#define MCAN_TX_EVENT_ELEMENT_E1_BRS (0x1ul << MCAN_TX_EVENT_ELEMENT_E1_BRS_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_FDF_Pos 21
-#define MCAN_TX_EVENT_ELEMENT_E1_FDF (0x1ul << MCAN_TX_EVENT_ELEMENT_E1_FDF_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_ET_Pos 22
-#define MCAN_TX_EVENT_ELEMENT_E1_ET_Msk (0x3ul << MCAN_TX_EVENT_ELEMENT_E1_ET_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_ET(value) ((MCAN_TX_EVENT_ELEMENT_E1_ET_Msk & ((value) << MCAN_TX_EVENT_ELEMENT_E1_ET_Pos)))
-#define MCAN_TX_EVENT_ELEMENT_E1_MM_Pos 24
-#define MCAN_TX_EVENT_ELEMENT_E1_MM_Msk (0xFFul << MCAN_TX_EVENT_ELEMENT_E1_MM_Pos)
-#define MCAN_TX_EVENT_ELEMENT_E1_MM(value) ((MCAN_TX_EVENT_ELEMENT_E1_MM_Msk & ((value) << MCAN_TX_EVENT_ELEMENT_E1_MM_Pos)))
-
-/**
- * \brief MCAN transfer event FIFO element structure.
- *
- * Common element structure for transfer event FIFO.
- */
-struct mcan_tx_event_element {
- __IO MCAN_TX_EVENT_ELEMENT_E0_Type E0;
- __IO MCAN_TX_EVENT_ELEMENT_E1_Type E1;
-};
-
-/* -------- MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0 : (MCAN standard message ID filter element: 0x00) (R/W 32) Standard Message ID Filter Element S0 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..10 Standard Filter ID 2 */
- uint32_t SFID2:11;
- /* bit: 11..15 Reserved */
- uint32_t :5;
- /* bit: 16..26 Standard Filter ID 1 */
- uint32_t SFID1:11;
- /* bit: 27..29 Standard Filter Element Configuration */
- uint32_t SFEC:3;
- /* bit: 30..31 Standard Filter Type */
- uint32_t SFT:2;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_Type;
-
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Pos 0
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Msk (0x7FFul << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Pos)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2(value) ((MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Msk & ((value) << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Pos)))
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1_Pos 16
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1_Msk (0x7FFul << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1_Pos)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1(value) ((MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1_Msk & ((value) << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1_Pos)))
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_Pos 27
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_Msk (0x7ul << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_Pos)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC(value) ((MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_Msk & ((value) << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_Pos)))
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_DISABLE_Val 0
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_STF0M_Val 1
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_STF1M_Val 2
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_REJECT_Val 3
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_PRIORITY_Val 4
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_PRIF0M_Val 5
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_PRIF1M_Val 6
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_STRXBUF_Val 7
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_Pos 30
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_Msk (0x3ul << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_Pos)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT(value) ((MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_Msk & ((value) << MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_Pos)))
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_RANGE MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT(0)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_DUAL MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT(1)
-#define MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_CLASSIC MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT(2)
-
-/**
- * \brief MCAN standard message ID filter element structure.
- *
- * Common element structure for standard message ID filter element.
- */
-struct mcan_standard_message_filter_element {
- __IO MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_Type S0;
-};
-
-/* -------- MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0 : (MCAN extended message ID filter element: 0x00) (R/W 32) Extended Message ID Filter Element F0 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..28 Extended Filter ID 1 */
- uint32_t EFID1:29;
- /* bit: 29..31 Extended Filter Element Configuration */
- uint32_t EFEC:3;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_Type;
-
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1_Pos 0
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1_Msk (0x1FFFFFFFul << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1_Pos)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1(value) ((MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1_Msk & ((value) << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1_Pos)))
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_Pos 29
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_Msk (0x7ul << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_Pos)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC(value) ((MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_Msk & ((value) << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_Pos)))
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_DISABLE_Val 0
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_STF0M_Val 1
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_STF1M_Val 2
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_REJECT_Val 3
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_PRIORITY_Val 4
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_PRIF0M_Val 5
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_PRIF1M_Val 6
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_STRXBUF_Val 7
-
-/* -------- MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1 : (MCAN extended message ID filter element: 0x01) (R/W 32) Extended Message ID Filter Element F1 Configuration -------- */
-typedef union {
- struct {
- /* bit: 0..28 Extended Filter ID 2 */
- uint32_t EFID2:29;
- /* bit: 29 Reserved */
- uint32_t :1;
- /* bit: 30..31 Extended Filter Type */
- uint32_t EFT:2;
- } bit;
- /* Type used for register access */
- uint32_t reg;
-} MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_Type;
-
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Pos 0
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Msk (0x1FFFFFFFul << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Pos)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2(value) ((MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Msk & ((value) << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Pos)))
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_Pos 30
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_Msk (0x3ul << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_Pos)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT(value) ((MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_Msk & ((value) << MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_Pos)))
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_RANGEM MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT(0)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_DUAL MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT(1)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_CLASSIC MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT(2)
-#define MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_RANGE MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT(3)
-
-/**
- * \brief MCAN extended message ID filter element structure.
- *
- * Common element structure for extended message ID filter element.
- */
-struct mcan_extended_message_filter_element {
- __IO MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_Type F0;
- __IO MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_Type F1;
-};
-/** @} */
-
-/**
- * \defgroup asfdoc_sam_mcan_group SAM Control Area Network (MCAN) Low Level Driver
- *
- * This driver for AtmelĀ® | SMART SAM devices provides an low level
- * interface for the configuration and management of the device's
- * Control Area Network functionality.
- *
- * \note Since "The Control Area Network (CAN) performs communication according
- * to ISO 11898-1 (Bosch CAN specification 2.0 part A,B) and to Bosch CAN FD
- * specification V1.0", the driver is focus on the MAC layer and try to offer
- * the APIs which can be used by upper application layer.
- *
- * For storage of Rx/Tx messages and for storage of the filter configuration,
- * a message RAM is needed to the CAN module. In this driver, the message RAM
- * is static allocated, the related setting is defined and can be changed in
- * the module configuration file "conf_mcan.h".
- *
- * The following peripherals are used by this module:
- * - CAN (Control Area Network)
- *
- * The following devices can use this module:
- * - SAMV71
- *
- * The outline of this documentation is as follows:
- * - \ref asfdoc_sam_mcan_prerequisites
- * - \ref asfdoc_sam_mcan_module_overview
- * - \ref asfdoc_sam_mcan_special_considerations
- * - \ref asfdoc_sam_mcan_extra_info
- * - \ref asfdoc_sam_mcan_examples
- * - \ref asfdoc_sam_mcan_api_overview
- *
- *
- * \section asfdoc_sam_mcan_prerequisites Prerequisites
- *
- * There are no prerequisites for this module.
- *
- *
- * \section asfdoc_sam_mcan_module_overview Module Overview
- *
- * This driver provides an interface for the Control Area Network Controller
- * functions on the device.
- *
- *
- * \section asfdoc_sam_mcan_special_considerations Special Considerations
- *
- * There are no special considerations for this module.
- *
- *
- * \section asfdoc_sam_mcan_extra_info Extra Information
- *
- * For extra information see \ref asfdoc_sam_mcan_extra. This includes:
- * - \ref asfdoc_sam_mcan_extra_acronyms
- * - \ref asfdoc_sam_mcan_extra_dependencies
- * - \ref asfdoc_sam_mcan_extra_errata
- * - \ref asfdoc_sam_mcan_extra_history
- *
- *
- * \section asfdoc_sam_mcan_examples Examples
- *
- * For a list of examples related to this driver, see
- * \ref asfdoc_sam_mcan_exqsg.
- *
- *
- * \section asfdoc_sam_mcan_api_overview API Overview
- * @{
- */
-
-/**
- * \name Module Setting
- * @{
- */
-
-/**
- * \brief Can time out modes.
- */
-enum mcan_timeout_mode {
- /** Continuous operation. */
- MCAN_TIMEOUT_CONTINUES = MCAN_TOCC_TOS_CONTINUOUS,
- /** Timeout controlled by TX Event FIFO. */
- MCAN_TIMEOUT_TX_EVEN_FIFO = MCAN_TOCC_TOS_TX_EV_TIMEOUT,
- /** Timeout controlled by Rx FIFO 0. */
- MCAN_TIMEOUT_RX_FIFO_0 = MCAN_TOCC_TOS_RX0_EV_TIMEOUT,
- /** Timeout controlled by Rx FIFO 1. */
- MCAN_TIMEOUT_RX_FIFO_1 = MCAN_TOCC_TOS_RX1_EV_TIMEOUT,
-};
-
-/**
- * \brief Can nonmatching frames action.
- */
-enum mcan_nonmatching_frames_action {
- /** Accept in Rx FIFO 0. */
- MCAN_NONMATCHING_FRAMES_FIFO_0,
- /** Accept in Rx FIFO 1. */
- MCAN_NONMATCHING_FRAMES_FIFO_1,
- /** Reject. */
- MCAN_NONMATCHING_FRAMES_REJECT,
-};
-
-/**
- * \brief MCAN software device instance structure.
- *
- * MCAN software instance structure, used to retain software state information
- * of an associated hardware module instance.
- *
- * \note The fields of this structure should not be altered by the user
- * application; they are reserved for module-internal use only.
- */
-struct mcan_module
-{
- Mcan *hw;
- volatile TaskHandle taskWaitingOnFifo[2];
-};
-
-/**
- * \brief MCAN configuration structure.
- *
- * Configuration structure for an MCAN instance. This structure should be
- * initialized by the \ref mcan_get_config_defaults()
- * function before being modified by the user application.
- */
-struct mcan_config {
- /** MCAN run in standby control. */
- bool run_in_standby;
- /** Start value of the Message RAM Watchdog Counter */
- uint8_t watchdog_configuration;
- /** Transmit Pause. */
- bool transmit_pause;
- /** Edge Filtering during Bus Integration. */
- bool edge_filtering;
- /** Protocol Exception Handling. */
- bool protocol_exception_handling;
- /** Automatic Retransmission. */
- bool automatic_retransmission;
- /** Clock Stop Request. */
- bool clock_stop_request;
- /** Clock Stop Acknowledge. */
- bool clock_stop_acknowledge;
- /** Timestamp Counter Prescaler: 0x0-0xF */
- uint8_t timestamp_prescaler;
- /** Timeout Period. */
- uint16_t timeout_period;
- /** Timeout Mode. */
- enum mcan_timeout_mode timeout_mode;
- /** Timeout enable. */
- bool timeout_enable;
- /** Transceiver Delay Compensation enable. */
- bool tdc_enable;
- /** Transmitter Delay Compensation Offset : 0x0-0x7F */
- uint8_t delay_compensation_offset;
-#if (SAMV71B || SAME70B || SAMV70B)
- /** Transmitter Delay Compensation Filter Window Length : 0x0-0x7F */
- uint8_t delay_compensation_filter_window_length;
-#endif
- /** Nonmatching frames action for standard frames. */
- enum mcan_nonmatching_frames_action nonmatching_frames_action_standard;
- /** Nonmatching frames action for extended frames. */
- enum mcan_nonmatching_frames_action nonmatching_frames_action_extended;
- /** Reject Remote Standard Frames. */
- bool remote_frames_standard_reject;
- /** Reject Remote Extended Frames. */
- bool remote_frames_extended_reject;
- /** Extended ID Mask: 0x0-0x1FFFFFFF. */
- uint32_t extended_id_mask;
- /** Rx FIFO 0 Operation Mode. */
- bool rx_fifo_0_overwrite;
- /** Rx FIFO 0 Watermark: 1-64, other value disable it. */
- uint8_t rx_fifo_0_watermark;
- /** Rx FIFO 1 Operation Mode. */
- bool rx_fifo_1_overwrite;
- /** Rx FIFO 1 Watermark: 1-64, other value disable it. */
- uint8_t rx_fifo_1_watermark;
- /** Tx FIFO/Queue Mode, 0 for FIFO and 1 for Queue. */
- bool tx_queue_mode;
- /** Tx Event FIFO Watermark: 1-32, other value disable it. */
- uint8_t tx_event_fifo_watermark;
-};
-
-/**
- * \brief Initializes an MCAN configuration structure to defaults
- *
- * Initializes a given MCAN configuration struct to a set of known default
- * values. This function should be called on any new instance of the
- * configuration struct before being modified by the user application.
- *
- * The default configuration is as follows:
- * \li Not run in standby mode
- * \li Disable Watchdog
- * \li Transmit pause enabled
- * \li Edge filtering during bus integration enabled
- * \li Protocol exception handling enabled
- * \li Automatic retransmission enabled
- * \li Clock stop request disabled
- * \li Clock stop acknowledge disabled
- * \li Timestamp Counter Prescaler 1
- * \li Timeout Period with 0xFFFF
- * \li Timeout Mode: Continuous operation
- * \li Disable Timeout
- * \li Transmitter Delay Compensation Offset is 0
- * \li Transmitter Delay Compensation Filter Window Length is 0
- * \li Reject nonmatching standard frames
- * \li Reject nonmatching extended frames
- * \li Reject remote standard frames
- * \li Reject remote extended frames
- * \li Extended ID Mask is 0x1FFFFFFF
- * \li Rx FIFO 0 Operation Mode: overwrite
- * \li Disable Rx FIFO 0 Watermark
- * \li Rx FIFO 1 Operation Mode: overwrite
- * \li Disable Rx FIFO 1 Watermark
- * \li Tx FIFO/Queue Mode: FIFO
- * \li Disable Tx Event FIFO Watermark
- *
- * \param[out] config Pointer to configuration struct to initialize to
- * default values
- */
-static inline void mcan_get_config_defaults(struct mcan_config *const config) noexcept
-{
- /* Sanity check arguments */
- Assert(config);
-
- /* Default configuration values */
- config->run_in_standby = false;
- config->watchdog_configuration = 0x00;
- config->transmit_pause = true;
- config->edge_filtering = true;
- config->protocol_exception_handling = true;
- config->automatic_retransmission = true;
- config->clock_stop_request = false;
- config->clock_stop_acknowledge = false;
- config->timestamp_prescaler = 0;
- config->timeout_period = 0xFFFF;
- config->timeout_mode = MCAN_TIMEOUT_CONTINUES;
- config->timeout_enable = false;
- config->tdc_enable = false;
- config->delay_compensation_offset = 0;
-#if (SAMV71B || SAME70B || SAMV70B)
- config->delay_compensation_filter_window_length = 0;
-#endif
- config->nonmatching_frames_action_standard = MCAN_NONMATCHING_FRAMES_REJECT;
- config->nonmatching_frames_action_extended = MCAN_NONMATCHING_FRAMES_REJECT;
- config->remote_frames_standard_reject = true;
- config->remote_frames_extended_reject = true;
- config->extended_id_mask = 0x1FFFFFFF;
- config->rx_fifo_0_overwrite = false;
- config->rx_fifo_0_watermark = 0;
- config->rx_fifo_1_overwrite = false;
- config->rx_fifo_1_watermark = 0;
- config->tx_queue_mode = false;
- config->tx_event_fifo_watermark = 0;
-}
-
-void mcan_init_once(mcan_module *const module_inst, Mcan *hw) noexcept;
-void mcan_init(mcan_module *const module_inst, mcan_config *config) noexcept;
-void mcan_start(mcan_module *const module_inst) noexcept;
-void mcan_stop(mcan_module *const module_inst) noexcept;
-void mcan_enable_fd_mode(mcan_module *const module_inst) noexcept;
-void mcan_disable_fd_mode(mcan_module *const module_inst) noexcept;
-void mcan_enable_restricted_operation_mode(mcan_module *const module_inst) noexcept;
-void mcan_disable_restricted_operation_mode(mcan_module *const module_inst) noexcept;
-
-void mcan_enable_bus_monitor_mode(mcan_module *const module_inst) noexcept;
-void mcan_disable_bus_monitor_mode(mcan_module *const module_inst) noexcept;
-void mcan_enable_sleep_mode(mcan_module *const module_inst) noexcept;
-void mcan_disable_sleep_mode(mcan_module *const module_inst) noexcept;
-void mcan_enable_test_mode(mcan_module *const module_inst) noexcept;
-void mcan_disable_test_mode(mcan_module *const module_inst) noexcept;
-
-// Send extended CAN message in FD mode using a dedicated transmit buffer. The transmit buffer must already be free.
-status_code mcan_fd_send_ext_message_no_wait(mcan_module *const module_inst, uint32_t id_value, const uint8_t *data, size_t dataLength, uint32_t whichTxBuffer, bool bitRateSwitch, uint8_t marker) noexcept;
-
-// Wait for a specified buffer to become free. If it's still not free after the timeout, cancel the pending transmission.
-// Return true if we cancelled the pending transmission.
-bool WaitForTxBufferFree(mcan_module *const module_inst, uint32_t whichTxBuffer, uint32_t maxWait) noexcept;
-
-// Get a message from a FIFO with timeout. Return true if successful, false if we timed out
-bool GetMessageFromFifo(mcan_module *const module_inst, CanMessageBuffer *buf, unsigned int fifoNumber, uint32_t timeout) noexcept;
-
-void GetLocalCanTiming(mcan_module *const module_inst, CanTiming& timing) noexcept;
-void ChangeLocalCanTiming(mcan_module *const module_inst, const CanTiming& timing) noexcept;
-
-/**
- * \brief Can read timestamp count value.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Timestamp count value.
- */
-static inline uint16_t mcan_read_timestamp_count_value(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TSCV;
-}
-
-/**
- * \brief Can read timeout count value.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Timeout count value.
- */
-static inline uint16_t mcan_read_timeout_count_value(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TOCV;
-}
-
-/**
- * \brief Can read error count.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Error count value.
- */
-static inline uint32_t mcan_read_error_count(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_ECR;
-}
-
-/**
- * \brief Can read protocol status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return protocol status value.
- */
-static inline uint32_t mcan_read_protocal_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_PSR;
-}
-
-/** @} */
-
-/**
- * \name Rx Handling
- * @{
- */
-
-/**
- * \brief Read high priority message status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return High priority message status value.
- */
-static inline uint32_t mcan_read_high_priority_message_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_HPMS;
-}
-
-/**
- * \brief Get Rx buffer status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] index Index offset in Rx buffer
- *
- * \return Rx buffer status value.
- *
- * \retval true Rx Buffer updated from new message.
- * \retval false Rx Buffer not updated.
- */
-static inline bool mcan_rx_get_buffer_status(mcan_module *const module_inst, uint32_t index) noexcept
-{
- if (index < 32) {
- if (module_inst->hw->MCAN_NDAT1 & (1 << index)) {
- return true;
- } else {
- return false;
- }
- } else {
- index -= 32;
- if (module_inst->hw->MCAN_NDAT2 & (1 << index)) {
- return true;
- } else {
- return false;
- }
- }
-}
-
-/**
- * \brief Clear Rx buffer status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] index Index offset in Rx buffer
- *
- */
-static inline void mcan_rx_clear_buffer_status(mcan_module *const module_inst, uint32_t index) noexcept
-{
- if (index < 32) {
- module_inst->hw->MCAN_NDAT1 = (1 << index);
- } else {
- index -= 32;
- module_inst->hw->MCAN_NDAT2 = (1 << index);
- }
-}
-
-/**
- * \brief Get Rx FIFO status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] fifo_number Rx FIFO 0 or 1
- *
- * \return Rx FIFO status value.
- */
-static inline uint32_t mcan_rx_get_fifo_status(mcan_module *const module_inst, bool fifo_number) noexcept
-{
- if (!fifo_number) {
- return module_inst->hw->MCAN_RXF0S;
- } else {
- return module_inst->hw->MCAN_RXF1S;
- }
-}
-
-/**
- * \brief Set Rx acknowledge.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] fifo_number Rx FIFO 0 or 1
- * \param[in] index Index offset in FIFO
- */
-static inline void mcan_rx_fifo_acknowledge(mcan_module *const module_inst, bool fifo_number, uint32_t index) noexcept
-{
- if (!fifo_number) {
- module_inst->hw->MCAN_RXF0A = MCAN_RXF0A_F0AI(index);
- } else {
- module_inst->hw->MCAN_RXF1A = MCAN_RXF1A_F1AI(index);
- }
-}
-
-/**
- * \brief Get the standard message filter default value.
- *
- * The default configuration is as follows:
- * \li Classic filter: SFID1 = filter, SFID2 = mask
- * \li Store in Rx FIFO 0 if filter matches
- * \li SFID2 = 0x7FFul
- * \li SFID1 = 0x0ul
- *
- * \param[out] sd_filter Pointer to standard filter element struct to initialize to default values
- */
-static inline void mcan_get_standard_message_filter_element_default(mcan_standard_message_filter_element *sd_filter) noexcept
-{
- sd_filter->S0.reg = MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID2_Msk |
- MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFID1(0) |
- MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC(
- MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFEC_STF0M_Val) |
- MCAN_STANDARD_MESSAGE_FILTER_ELEMENT_S0_SFT_CLASSIC;
-}
-
-status_code mcan_set_rx_standard_filter(mcan_module *const module_inst, mcan_standard_message_filter_element *sd_filter, uint32_t index) noexcept;
-
-/**
- * \brief Get the extended message filter default value.
- *
- * The default configuration is as follows:
- * \li Classic filter: SFID1 = filter, SFID2 = mask
- * \li Store in Rx FIFO 1 if filter matches
- * \li SFID2 = 0x1FFFFFFFul
- * \li SFID1 = 0x0ul
- *
- * \param[out] et_filter Pointer to extended filter element struct to initialize to default values
- */
-static inline void mcan_get_extended_message_filter_element_default(mcan_extended_message_filter_element *et_filter) noexcept
-{
- et_filter->F0.reg = MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFID1(0) |
- MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC(
- MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F0_EFEC_STF1M_Val);
- et_filter->F1.reg = MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFID2_Msk |
- MCAN_EXTENDED_MESSAGE_FILTER_ELEMENT_F1_EFT_CLASSIC;
-}
-
-status_code mcan_set_rx_extended_filter(mcan_module *const module_inst, struct mcan_extended_message_filter_element *et_filter, uint32_t index) noexcept;
-
-status_code mcan_get_rx_buffer_element(mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept;
-
-status_code mcan_get_rx_fifo_0_element(struct mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept;
-
-status_code mcan_get_rx_fifo_1_element(struct mcan_module *const module_inst, struct mcan_rx_element *rx_element, uint32_t index) noexcept;
-
-/**
- * \brief Get Tx FIFO/Queue status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Tx FIFO/Queue status value.
- */
-static inline uint32_t mcan_tx_get_fifo_queue_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TXFQS;
-}
-
-/**
- * \brief Get Tx buffer request pending status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Bit mask of Tx buffer request pending status value.
- */
-static inline uint32_t mcan_tx_get_pending_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TXBRP;
-}
-
-/**
- * \brief Tx buffer add transfer request.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] trig_mask The mask value to trigger transfer buffer
- *
- * \return Status of the result.
- *
- * \retval STATUS_OK Set the transfer request.
- * \retval STATUS_ERR_BUSY The module is in configuration.
- */
-static inline enum status_code mcan_tx_transfer_request(mcan_module *const module_inst, uint32_t trig_mask) noexcept
-{
- if (module_inst->hw->MCAN_CCCR & MCAN_CCCR_CCE) {
- return ERR_BUSY;
- }
- module_inst->hw->MCAN_TXBAR = trig_mask;
- return STATUS_OK;
-}
-
-/**
- * \brief Set Tx Queue operation.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] trig_mask The mask value to cancel transfer buffer
- *
- * \return Status of the result.
- *
- * \retval STATUS_OK Set the transfer request.
- * \retval STATUS_BUSY The module is in configuration.
- */
-static inline enum status_code mcan_tx_cancel_request(mcan_module *const module_inst, uint32_t trig_mask) noexcept
-{
- if (module_inst->hw->MCAN_CCCR & MCAN_CCCR_CCE) {
- return STATUS_ERR_BUSY;
- }
- module_inst->hw->MCAN_TXBCR = trig_mask;
- return STATUS_OK;
-}
-
-/**
- * \brief Get Tx transmission status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Bit mask of Tx transmission status value.
- */
-static inline uint32_t mcan_tx_get_transmission_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TXBTO;
-}
-
-/**
- * \brief Get Tx cancellation status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Bit mask of Tx cancellation status value.
- */
-static inline uint32_t mcan_tx_get_cancellation_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TXBCF;
-}
-
-/**
- * \brief Get Tx event FIFO status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- *
- * \return Tx event FIFO status value.
- */
-static inline uint32_t mcan_tx_get_event_fifo_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_TXEFS;
-}
-
-/**
- * \brief Set Tx Queue operation.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] index Index for the transfer FIFO
- */
-static inline void mcan_tx_event_fifo_acknowledge(mcan_module *const module_inst, uint32_t index) noexcept
-{
- module_inst->hw->MCAN_TXEFA = MCAN_TXEFA_EFAI(index);
-}
-
-/**
- * \brief Get the default transfer buffer element.
- *
- * The default configuration is as follows:
- * \li 11-bit standard identifier
- * \li Transmit data frame
- * \li ID = 0x0ul
- * \li Store Tx events
- * \li Frame transmitted in Classic MCAN format
- * \li Data Length Code is 8
- *
- * \param[out] tx_element Pointer to transfer element struct to initialize to default values
- */
-static inline void mcan_get_tx_buffer_element_defaults(mcan_tx_element *tx_element) noexcept
-{
- tx_element->T0.reg = 0;
- tx_element->T1.reg = MCAN_TX_ELEMENT_T1_EFC |
- MCAN_TX_ELEMENT_T1_DLC(MCAN_TX_ELEMENT_T1_DLC_DATA8_Val);
-}
-
-status_code mcan_set_tx_buffer_element(mcan_module *const module_inst, mcan_tx_element *tx_element, uint32_t index) noexcept;
-
-status_code mcan_get_tx_event_fifo_element(mcan_module *const module_inst, mcan_tx_event_element *tx_event_element, uint32_t index) noexcept;
-
-/**
- * \brief Can module interrupt source.
- *
- * Enum for the interrupt source.
- */
-enum mcan_interrupt_source {
- /** Rx FIFO 0 New Message Interrupt Enable. */
- MCAN_RX_FIFO_0_NEW_MESSAGE = MCAN_IE_RF0NE,
- /** Rx FIFO 0 Watermark Reached Interrupt Enable. */
- MCAN_RX_FIFO_0_WATERMARK = MCAN_IE_RF0WE,
- /** Rx FIFO 0 Full Interrupt Enable. */
- MCAN_RX_FIFO_0_FULL = MCAN_IE_RF0FE,
- /** Rx FIFO 0 Message Lost Interrupt Enable. */
- MCAN_RX_FIFO_0_LOST_MESSAGE = MCAN_IE_RF0LE,
- /** Rx FIFO 1 New Message Interrupt Enable. */
- MCAN_RX_FIFO_1_NEW_MESSAGE = MCAN_IE_RF1NE,
- /** Rx FIFO 1 Watermark Reached Interrupt Enable. */
- MCAN_RX_FIFO_1_WATERMARK = MCAN_IE_RF1WE,
- /** Rx FIFO 1 Full Interrupt Enable. */
- MCAN_RX_FIFO_1_FULL = MCAN_IE_RF1FE,
- /** Rx FIFO 1 Message Lost Interrupt Enable. */
- MCAN_RX_FIFO_1_MESSAGE_LOST = MCAN_IE_RF1LE,
- /** High Priority Message Interrupt Enable. */
- MCAN_RX_HIGH_PRIORITY_MESSAGE = MCAN_IE_HPME,
- /** Transmission Completed Interrupt Enable. */
- MCAN_TIMESTAMP_COMPLETE = MCAN_IE_TCE,
- /** Transmission Cancellation Finished Interrupt Enable. */
- MCAN_TX_CANCELLATION_FINISH = MCAN_IE_TCFE,
- /** Tx FIFO Empty Interrupt Enable. */
- MCAN_TX_FIFO_EMPTY = MCAN_IE_TFEE,
- /** Tx Event FIFO New Entry Interrupt Enable. */
- MCAN_TX_EVENT_FIFO_NEW_ENTRY = MCAN_IE_TEFNE,
- /** Tx Event FIFO Watermark Reached Interrupt Enable. */
- MCAN_TX_EVENT_FIFO_WATERMARK = MCAN_IE_TEFWE,
- /** Tx Event FIFO Full Interrupt Enable. */
- MCAN_TX_EVENT_FIFO_FULL = MCAN_IE_TEFFE,
- /** Tx Event FIFO Element Lost Interrupt Enable. */
- MCAN_TX_EVENT_FIFO_ELEMENT_LOST = MCAN_IE_TEFLE,
- /** Timestamp Wraparound Interrupt Enable. */
- MCAN_TIMESTAMP_WRAPAROUND = MCAN_IE_TSWE,
- /** Message RAM Access Failure Interrupt Enable. */
- MCAN_MESSAGE_RAM_ACCESS_FAILURE = MCAN_IE_MRAFE,
- /** Timeout Occurred Interrupt Enable. */
- MCAN_TIMEOUT_OCCURRED = MCAN_IE_TOOE,
- /** Message stored to Dedicated Rx Buffer Interrupt Enable. */
- MCAN_RX_BUFFER_NEW_MESSAGE = MCAN_IE_DRXE,
- /** Error Logging Overflow Interrupt Enable. */
- MCAN_ERROR_LOGGING_OVERFLOW = MCAN_IE_ELOE,
- /** Error Passive Interrupt Enable. */
- MCAN_ERROR_PASSIVE = MCAN_IE_EPE,
- /** Warning Status Interrupt Enable. */
- MCAN_WARNING_STATUS = MCAN_IE_EWE,
- /** Bus_Off Status Interrupt Enable. */
- MCAN_BUS_OFF = MCAN_IE_BOE,
- /** Watchdog Interrupt Enable. */
- MCAN_WATCHDOG = MCAN_IE_WDIE,
- /**CRC Error Interrupt Enable */
- MCAN_CRC_ERROR = MCAN_IE_CRCEE,
- /** Bit Error Interrupt Enable. */
- MCAN_BIT_ERROR = MCAN_IE_BEE,
- /** Acknowledge Error Interrupt Enable . */
- MCAN_ACKNOWLEDGE_ERROR = MCAN_IE_ACKEE,
- /** Format Error Interrupt Enable */
- MCAN_FORMAT_ERROR = MCAN_IE_FOEE,
- /** Stuff Error Interrupt Enable */
- MCAN_STUFF_ERROR = MCAN_IE_STEE
-};
-
-/**
- * \brief Enable MCAN interrupt.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] source Interrupt source type
- */
-static inline void mcan_enable_interrupt(mcan_module *const module_inst, const mcan_interrupt_source source) noexcept
-{
- module_inst->hw->MCAN_IE |= source;
-}
-
-/**
- * \brief Disable MCAN interrupt.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] source Interrupt source type
- */
-static inline void mcan_disable_interrupt(mcan_module *const module_inst, const mcan_interrupt_source source) noexcept
-{
- module_inst->hw->MCAN_IE &= ~source;
-}
-
-/**
- * \brief Get MCAN interrupt status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- */
-static inline uint32_t mcan_read_interrupt_status(mcan_module *const module_inst) noexcept
-{
- return module_inst->hw->MCAN_IR;
-}
-
-/**
- * \brief Clear MCAN interrupt status.
- *
- * \param[in] module_inst Pointer to the MCAN software instance struct
- * \param[in] source Interrupt source type
- *
- * \return Bit mask of interrupt status value.
- */
-static inline void mcan_clear_interrupt_status(mcan_module *const module_inst, const mcan_interrupt_source source) noexcept
-{
- module_inst->hw->MCAN_IR = source;
-}
-
-#endif
-
-#endif /* SRC_HARDWARE_CANDRIVER_H_ */