diff options
Diffstat (limited to 'Middlewares/ST/STM32_WPAN/ble_lld/hal/ble_hal.c')
| -rw-r--r-- | Middlewares/ST/STM32_WPAN/ble_lld/hal/ble_hal.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/Middlewares/ST/STM32_WPAN/ble_lld/hal/ble_hal.c b/Middlewares/ST/STM32_WPAN/ble_lld/hal/ble_hal.c new file mode 100644 index 000000000..02298fb9d --- /dev/null +++ b/Middlewares/ST/STM32_WPAN/ble_lld/hal/ble_hal.c @@ -0,0 +1,248 @@ +/** + ****************************************************************************** + * File Name : ble_hal.c + * Description : BLE HAL based on LLD + ****************************************************************************** + * @attention + * + * <h2><center>© Copyright (c) 2019 STMicroelectronics. + * All rights reserved.</center></h2> + * + * This software component is licensed by ST under Ultimate Liberty license + * SLA0044, the "License"; You may not use this file except in compliance with + * the License. You may obtain a copy of the License at: + * www.st.com/SLA0044 + * + ****************************************************************************** + */ + +/** + * This file provides functions for a simpler access to radio than LLD. + * It relies on the LLD API running on application MCU, and so does not depend + * on an HAL API provided by radio MCU. + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stdint.h" +#include "stdbool.h" +#include "ble_lld.h" +#include "ble_hal.h" + +/* Private includes ----------------------------------------------------------*/ + +/* Private typedef -----------------------------------------------------------*/ + +/* Private defines -----------------------------------------------------------*/ +#define WAKEUP_TIME_US 1000 + +/* Private macros ------------------------------------------------------------*/ + +/* Private function prototypes -----------------------------------------------*/ + +/* Private variables ---------------------------------------------------------*/ +static ActionPacket actPack[ACTION_PACKET_NB]; + +/* Functions Definition ------------------------------------------------------*/ + +/** + * @brief Initializes the radio + * + * Before actual use, radio must be configured with HAL_BLE_LLD_Configure(). + * This function enables whitening. + * + * @param[in] hsStartupTime Startup time (system time unit) + * @param[in] lsOscInternal Use internal RO for the 32 kHz slow speed clock + * (else external crystal) + */ +uint8_t HAL_BLE_LLD_Init(uint16_t hsStartupTime, bool lsOscInternal) +{ + BLE_LLD_Init(hsStartupTime, lsOscInternal, ENABLE); + return SUCCESS_0; +} + +/** + * @brief Configures the radio + * + * @param[in] txPower Transmit power for outgoing packets + * @param[in] channel Radio channel + * @param[in] phy2mbps Use 2Mb/s PHY speed (else 1Mb/s) + * @param[in] b2bTimeUs Back to back time (us), delay between packet and ACK + * @param[in] networkId Network ID (access address) + */ + +uint8_t HAL_BLE_LLD_Configure(txPower_t txPower, + uint8_t channel, + bool phy2mbps, + uint32_t b2bTimeUs, + uint32_t networkId) + +{ + BLE_LLD_SetTxPower(txPower); + BLE_LLD_SetChannel(STATE_MACHINE_0, channel); + BLE_LLD_SetTx_Rx_Phy(STATE_MACHINE_0, + phy2mbps ? TX_PHY_2MBPS : TX_PHY_1MBPS, + phy2mbps ? RX_PHY_2MBPS : RX_PHY_1MBPS); + BLE_LLD_SetBackToBackTime(b2bTimeUs); + BLE_LLD_SetTxAttributes(STATE_MACHINE_0, networkId); + return SUCCESS_0; +} + +/** + * @brief Sends one packet without listening for an acknowledge. + * + * @param[in] txBuffer Data to transmit (header+length+payload) + * @param[in] callback Function that will be called once radio operation is done + * + * @retval SUCCESS_0 if success + * @retval INVALID_PARAMETER_C0 if invalid parameters + * @retval RADIO_BUSY_C4 if radio is busy + */ +uint8_t HAL_BLE_LLD_SendPacket(void *txBuffer, + uint8_t size, + lldCallback_t *callback) +{ + ActionPacket *ap; + + // Packet to send + ap = &actPack[APACKET_0]; + ap->actionPacketNb = APACKET_0; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = TXRX | TIMER_WAKEUP; + ap->WakeupTime = WAKEUP_TIME_US; + ap->data = txBuffer; + ap->dataSize = size; + ap->nextTrue = APACKET_STOP; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + BLE_LLD_MakeActionPacketPending(ap); + return SUCCESS_0; +} + + + +/** + * @brief Sends one packet and listen for an acknowledge. + * + * @param[in] txBuffer Data to transmit (header+length+payload) + * @param[in] receiveTimeout Timeout for ACK reception (us) + * @param[in] callback Function that will be called once radio operation is done + * + * @retval SUCCESS_0 if success + * @retval INVALID_PARAMETER_C0 if invalid parameters + * @retval RADIO_BUSY_C4 if radio is busy + */ +uint8_t HAL_BLE_LLD_SendPacketWithAck(void *txBuffer, + uint8_t size, + uint32_t receiveTimeout, + lldCallback_t *callback) +{ + ActionPacket *ap; + + // Packet to send + ap = &actPack[APACKET_0]; + ap->actionPacketNb = APACKET_0; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = TXRX | TIMER_WAKEUP; + ap->WakeupTime = WAKEUP_TIME_US; + ap->data = txBuffer; + ap->dataSize = size; + ap->nextTrue = APACKET_1; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + // ACK to receive + ap = &actPack[APACKET_1]; + ap->actionPacketNb = APACKET_1; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = 0; + ap->ReceiveWindowLength = receiveTimeout; + ap->nextTrue = APACKET_STOP; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + BLE_LLD_MakeActionPacketPending(&actPack[APACKET_0]); + return SUCCESS_0; +} + +/** + * @brief Receives one packet without transmitting an acknowledge. + * + * @param[in] receiveTimeout Timeout for data reception (us) + * @param[in] callback Function that will be called once radio operation is done + * + * @retval SUCCESS_0 if success + * @retval INVALID_PARAMETER_C0 if invalid parameters + * @retval RADIO_BUSY_C4 if radio is busy + */ +uint8_t HAL_BLE_LLD_ReceivePacket(uint32_t receiveTimeout, + lldCallback_t *callback) +{ + ActionPacket *ap; + + // Packet to receive + ap = &actPack[APACKET_2]; + ap->actionPacketNb = APACKET_2; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = TIMER_WAKEUP; + ap->WakeupTime = WAKEUP_TIME_US; + ap->ReceiveWindowLength = receiveTimeout; + ap->nextTrue = APACKET_STOP; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + BLE_LLD_MakeActionPacketPending(ap); + return SUCCESS_0; +} + +/** + * @brief Receives one packet and transmit an acknowledge. + * + * @param[in] txBuffer Acknowledge to transmit + * @param[in] receiveTimeout Timeout for data reception (us) + * @param[in] callback Function that will be called once radio operation is done + * + * @retval SUCCESS_0 if success + * @retval INVALID_PARAMETER_C0 if invalid parameters + * @retval RADIO_BUSY_C4 if radio is busy + */ +uint8_t HAL_BLE_LLD_ReceivePacketWithAck(void *txBuffer, + uint8_t size, + uint32_t receiveTimeout, + lldCallback_t *callback) +{ + ActionPacket *ap; + + // Packet to receive + ap = &actPack[APACKET_2]; + ap->actionPacketNb = APACKET_2; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = TIMER_WAKEUP; + ap->WakeupTime = WAKEUP_TIME_US; + ap->ReceiveWindowLength = receiveTimeout; + ap->nextTrue = APACKET_3; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + // ACK to send + ap = &actPack[APACKET_3]; + ap->actionPacketNb = APACKET_3; + ap->StateMachineNo = STATE_MACHINE_0; + ap->ActionTag = TXRX; + ap->data = txBuffer; + ap->dataSize = size; + ap->nextTrue = APACKET_STOP; + ap->nextFalse = APACKET_STOP; + ap->callback = callback; + BLE_LLD_SetReservedArea(ap); + + BLE_LLD_MakeActionPacketPending(&actPack[APACKET_2]); + return SUCCESS_0; +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |