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/*
* Devices.cpp
*
* Created on: 9 Jul 2020
* Author: David
* License: GNU GPL v3
*/
#include "Devices.h"
#include <RepRapFirmware.h>
#include <AnalogIn.h>
#include <AnalogOut.h>
#include <Platform/TaskPriorities.h>
#include <hal_gpio.h>
#include <hal_usb_device.h>
#include <peripheral_clk_config.h>
// Analog input support
constexpr size_t AnalogInTaskStackWords = 300;
static Task<AnalogInTaskStackWords> analogInTask;
#ifdef SERIAL_AUX_DEVICE
// Serial device support
void Serial0PortInit(AsyncSerial *) noexcept
{
SetPinFunction(Serial0TxPin, Serial0PinFunction);
SetPinFunction(Serial0RxPin, Serial0PinFunction);
}
void Serial0PortDeinit(AsyncSerial *) noexcept
{
pinMode(Serial0TxPin, INPUT_PULLUP);
pinMode(Serial0RxPin, INPUT_PULLUP);
}
AsyncSerial serialUart0(Serial0SercomNumber, Sercom0RxPad, 512, 512, Serial0PortInit, Serial0PortDeinit);
# if !defined(SERIAL0_ISR0) || !defined(SERIAL0_ISR2) || !defined(SERIAL0_ISR3)
# error SERIAL0_ISRn not defined
# endif
void SERIAL0_ISR0() noexcept
{
serialUart0.Interrupt0();
}
void SERIAL0_ISR2() noexcept
{
serialUart0.Interrupt2();
}
void SERIAL0_ISR3() noexcept
{
serialUart0.Interrupt3();
}
#endif
#ifdef SERIAL_AUX2_DEVICE
void Serial1PortInit(AsyncSerial *) noexcept
{
SetPinFunction(Serial1TxPin, Serial1PinFunction);
SetPinFunction(Serial1RxPin, Serial1PinFunction);
}
void Serial1PortDeinit(AsyncSerial *) noexcept
{
pinMode(Serial1TxPin, INPUT_PULLUP);
pinMode(Serial1RxPin, INPUT_PULLUP);
}
AsyncSerial serialUart1(Serial1SercomNumber, Sercom1RxPad, 512, 512, Serial1PortInit, Serial1PortDeinit);
# if !defined(SERIAL1_ISR0) || !defined(SERIAL1_ISR2) || !defined(SERIAL1_ISR3)
# error SERIAL1_ISRn not defined
# endif
void SERIAL1_ISR0() noexcept
{
serialUart1.Interrupt0();
}
void SERIAL1_ISR2() noexcept
{
serialUart1.Interrupt2();
}
void SERIAL1_ISR3() noexcept
{
serialUart1.Interrupt3();
}
#endif
SerialCDC serialUSB(UsbVBusPin, 512, 512);
static void UsbInit() noexcept
{
// Set up USB clock
hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN(GclkNum48MHz) | GCLK_PCHCTRL_CHEN);
hri_mclk_set_AHBMASK_USB_bit(MCLK);
hri_mclk_set_APBBMASK_USB_bit(MCLK);
// Set up USB pins
// This is the code generated by Atmel Start. I don't know whether it is all necessary.
gpio_set_pin_direction(PortAPin(24), GPIO_DIRECTION_OUT);
gpio_set_pin_level(PortAPin(24), false);
gpio_set_pin_pull_mode(PortAPin(24), GPIO_PULL_OFF);
gpio_set_pin_function(PortAPin(24), PINMUX_PA24H_USB_DM);
gpio_set_pin_direction(PortAPin(25), GPIO_DIRECTION_OUT);
gpio_set_pin_level(PortAPin(25), false);
gpio_set_pin_pull_mode(PortAPin(25), GPIO_PULL_OFF);
gpio_set_pin_function(PortAPin(25), PINMUX_PA25H_USB_DP);
}
#if HAS_HIGH_SPEED_SD
static void SdhcInit() noexcept
{
// Set up SDHC clock
#if defined(DUET3MINI_V04)
// Using SDHC 1
hri_mclk_set_AHBMASK_SDHC1_bit(MCLK);
hri_gclk_write_PCHCTRL_reg(GCLK, SDHC1_GCLK_ID, GCLK_PCHCTRL_GEN(GclkNum90MHz) | GCLK_PCHCTRL_CHEN);
hri_gclk_write_PCHCTRL_reg(GCLK, SDHC1_GCLK_ID_SLOW, GCLK_PCHCTRL_GEN(GclkNum31KHz) | GCLK_PCHCTRL_CHEN);
#elif defined(FMDC_V02)
// Using SDHC 1 on v0.2 board
hri_mclk_set_AHBMASK_SDHC1_bit(MCLK);
hri_gclk_write_PCHCTRL_reg(GCLK, SDHC1_GCLK_ID, GCLK_PCHCTRL_GEN(GclkNum90MHz) | GCLK_PCHCTRL_CHEN);
hri_gclk_write_PCHCTRL_reg(GCLK, SDHC1_GCLK_ID_SLOW, GCLK_PCHCTRL_GEN(GclkNum31KHz) | GCLK_PCHCTRL_CHEN);
#else
# error Unknown board
#endif
// Setup SD card interface pins
for (Pin p : SdMciPins)
{
SetPinFunction(p, SdMciPinsFunction);
}
}
#endif
void DeviceInit() noexcept
{
// Ensure the Ethernet PHY or WiFi module is held reset
pinMode(EspResetPin, OUTPUT_LOW);
UsbInit();
#if HAS_HIGH_SPEED_SD
SdhcInit();
#endif
AnalogIn::Init(NvicPriorityAdc);
AnalogOut::Init();
analogInTask.Create(AnalogIn::TaskLoop, "AIN", nullptr, TaskPriority::AinPriority);
}
void StopAnalogTask() noexcept
{
AnalogIn::Exit(); // make sure that the ISR doesn't try to wake the analog task after we terminate it
analogInTask.TerminateAndUnlink();
}
// End
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