ardupilot/libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp

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/*
* This file is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Code by Andrew Tridgell and Siddharth Bharat Purohit
*/
#include <AP_HAL/AP_HAL.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
#include <assert.h>
#include "HAL_ChibiOS_Class.h"
#include <AP_HAL_Empty/AP_HAL_Empty_Private.h>
#include <AP_HAL_ChibiOS/AP_HAL_ChibiOS_Private.h>
#include "shared_dma.h"
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#include "sdcard.h"
#include "hwdef/common/usbcfg.h"
#include "hwdef/common/stm32_util.h"
#include <hwdef.h>
#ifndef HAL_NO_UARTDRIVER
static HAL_UARTA_DRIVER;
static HAL_UARTB_DRIVER;
static HAL_UARTC_DRIVER;
static HAL_UARTD_DRIVER;
static HAL_UARTE_DRIVER;
static HAL_UARTF_DRIVER;
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static HAL_UARTG_DRIVER;
#else
static Empty::UARTDriver uartADriver;
static Empty::UARTDriver uartBDriver;
static Empty::UARTDriver uartCDriver;
static Empty::UARTDriver uartDDriver;
static Empty::UARTDriver uartEDriver;
static Empty::UARTDriver uartFDriver;
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static Empty::UARTDriver uartGDriver;
#endif
#if HAL_USE_I2C == TRUE
static ChibiOS::I2CDeviceManager i2cDeviceManager;
#else
static Empty::I2CDeviceManager i2cDeviceManager;
#endif
#if HAL_USE_SPI == TRUE
static ChibiOS::SPIDeviceManager spiDeviceManager;
#else
static Empty::SPIDeviceManager spiDeviceManager;
#endif
#if HAL_USE_ADC == TRUE
static ChibiOS::AnalogIn analogIn;
#else
static Empty::AnalogIn analogIn;
#endif
#ifdef HAL_USE_EMPTY_STORAGE
static Empty::Storage storageDriver;
#else
static ChibiOS::Storage storageDriver;
#endif
static ChibiOS::GPIO gpioDriver;
static ChibiOS::RCInput rcinDriver;
#if HAL_USE_PWM == TRUE
static ChibiOS::RCOutput rcoutDriver;
#else
static Empty::RCOutput rcoutDriver;
#endif
static ChibiOS::Scheduler schedulerInstance;
static ChibiOS::Util utilInstance;
static Empty::OpticalFlow opticalFlowDriver;
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#if HAL_WITH_IO_MCU
HAL_UART_IO_DRIVER;
#include <AP_IOMCU/AP_IOMCU.h>
AP_IOMCU iomcu(uart_io);
#endif
HAL_ChibiOS::HAL_ChibiOS() :
AP_HAL::HAL(
&uartADriver,
&uartBDriver,
&uartCDriver,
&uartDDriver,
&uartEDriver,
&uartFDriver,
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&uartGDriver,
&i2cDeviceManager,
&spiDeviceManager,
&analogIn,
&storageDriver,
&uartADriver,
&gpioDriver,
&rcinDriver,
&rcoutDriver,
&schedulerInstance,
&utilInstance,
&opticalFlowDriver,
nullptr
)
{}
static bool thread_running = false; /**< Daemon status flag */
static thread_t* daemon_task; /**< Handle of daemon task / thread */
extern const AP_HAL::HAL& hal;
/*
set the priority of the main APM task
*/
void hal_chibios_set_priority(uint8_t priority)
{
chSysLock();
#if CH_CFG_USE_MUTEXES == TRUE
if ((daemon_task->prio == daemon_task->realprio) || (priority > daemon_task->prio)) {
daemon_task->prio = priority;
}
daemon_task->realprio = priority;
#endif
chSchRescheduleS();
chSysUnlock();
}
thread_t* get_main_thread()
{
return daemon_task;
}
static AP_HAL::HAL::Callbacks* g_callbacks;
static THD_FUNCTION(main_loop,arg)
{
daemon_task = chThdGetSelfX();
#ifdef HAL_I2C_CLEAR_BUS
// Clear all I2C Buses. This can be needed on some boards which
// can get a stuck I2C peripheral on boot
ChibiOS::I2CBus::clear_all();
#endif
ChibiOS::Shared_DMA::init();
peripheral_power_enable();
hal.uartA->begin(115200);
#ifdef HAL_SPI_CHECK_CLOCK_FREQ
// optional test of SPI clock frequencies
ChibiOS::SPIDevice::test_clock_freq();
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#endif
//Setup SD Card and Initialise FATFS bindings
sdcard_init();
hal.uartB->begin(38400);
hal.uartC->begin(57600);
hal.analogin->init();
hal.scheduler->init();
/*
run setup() at low priority to ensure CLI doesn't hang the
system, and to allow initial sensor read loops to run
*/
hal_chibios_set_priority(APM_STARTUP_PRIORITY);
schedulerInstance.hal_initialized();
g_callbacks->setup();
hal.scheduler->system_initialized();
thread_running = true;
chRegSetThreadName(SKETCHNAME);
/*
switch to high priority for main loop
*/
chThdSetPriority(APM_MAIN_PRIORITY);
while (true) {
g_callbacks->loop();
/*
give up 250 microseconds of time if the INS loop hasn't
called delay_microseconds_boost(), to ensure low priority
drivers get a chance to run. Calling
delay_microseconds_boost() means we have already given up
time from the main loop, so we don't need to do it again
here
*/
if (!schedulerInstance.check_called_boost()) {
hal.scheduler->delay_microseconds(250);
}
}
thread_running = false;
}
void HAL_ChibiOS::run(int argc, char * const argv[], Callbacks* callbacks) const
{
/*
* System initializations.
* - ChibiOS HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
#ifdef HAL_USB_PRODUCT_ID
setup_usb_strings();
#endif
#ifdef HAL_STDOUT_SERIAL
//STDOUT Initialistion
SerialConfig stdoutcfg =
{
HAL_STDOUT_BAUDRATE,
0,
USART_CR2_STOP1_BITS,
0
};
sdStart((SerialDriver*)&HAL_STDOUT_SERIAL, &stdoutcfg);
#endif
assert(callbacks);
g_callbacks = callbacks;
void *main_thread_wa = hal.util->malloc_type(THD_WORKING_AREA_SIZE(APM_MAIN_THREAD_STACK_SIZE), AP_HAL::Util::MEM_FAST);
chThdCreateStatic(main_thread_wa,
APM_MAIN_THREAD_STACK_SIZE,
APM_MAIN_PRIORITY, /* Initial priority. */
main_loop, /* Thread function. */
nullptr); /* Thread parameter. */
chThdExit(0);
}
const AP_HAL::HAL& AP_HAL::get_HAL() {
static const HAL_ChibiOS hal_chibios;
return hal_chibios;
}
#endif