Embedded_Projects
/
STM32F103CBT6_Thermograph
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity
STM32F103CBT6_Thermograph/Core/Src/main.c

359 lines
9.6 KiB
C
Raw Blame History

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2021 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
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usb_device.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include "usbd_cdc_if.h"
#include "one_wire_impl_ll.h"
#include "ds18b20_onewire.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
IWDG_HandleTypeDef hiwdg;
/* USER CODE BEGIN PV */
onewire_impl_ll_t g_ow_impl = {
.GPIOx = WIRE_IO_GPIO_Port,
.PinMask = LL_GPIO_PIN_8
};
onewire_t g_ow = {
.cb = {
.delay_usec = (onewire_ret_t (*)(void *, uint32_t))ow_impl_delay_us,
.drive_dq = (onewire_ret_t (*)(void *, uint8_t))ow_impl_drive_dq,
.read_dq = (uint8_t (*)(void *))ow_impl_read_dq
},
.user_data = &g_ow_impl
};
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_IWDG_Init(void);
/* USER CODE BEGIN PFP */
void USB_ReEnum(void);
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
USB_ReEnum();
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USB_DEVICE_Init();
MX_IWDG_Init();
/* USER CODE BEGIN 2 */
onewire_bus_reset(&g_ow);
onewire_rom_num_t rom_num;
ds18b20_t ds_sensor = {
.ow_driver = &g_ow,
};
ds18b20_temp_t ds_temp;
char cdc_buffer[255];
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
onewire_bus_search_init(&g_ow);
while(onewire_bus_search_nextdev(&g_ow, &rom_num) != OW_ERROR){
ds_sensor.rom = rom_num;
ds18b20_start_convert(&ds_sensor);
while(ds18b20_check_busy(&ds_sensor)) {
HAL_Delay(10);
}
ds18b20_read_temperature(&ds_sensor, &ds_temp);
snprintf(cdc_buffer, 255, "%02x%02x%02x%02x%02x%02x%02x%02x\t%d\r\n",
rom_num.rom_num[0],
rom_num.rom_num[1],
rom_num.rom_num[2],
rom_num.rom_num[3],
rom_num.rom_num[4],
rom_num.rom_num[5],
rom_num.rom_num[6],
rom_num.rom_num[7],
ds_temp.t_decimal
);
CDC_Transmit_FS((uint8_t *)cdc_buffer, strlen(cdc_buffer));
HAL_IWDG_Refresh(&hiwdg);
}
HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
HAL_Delay(100);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
/** Enables the Clock Security System
*/
HAL_RCC_EnableCSS();
}
/**
* @brief IWDG Initialization Function
* @param None
* @retval None
*/
static void MX_IWDG_Init(void)
{
/* USER CODE BEGIN IWDG_Init 0 */
/* USER CODE END IWDG_Init 0 */
/* USER CODE BEGIN IWDG_Init 1 */
/* USER CODE END IWDG_Init 1 */
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_128;
hiwdg.Init.Reload = 4095;
if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN IWDG_Init 2 */
/* USER CODE END IWDG_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(WIRE_IO_GPIO_Port, WIRE_IO_Pin, GPIO_PIN_SET);
/*Configure GPIO pin : LED_Pin */
GPIO_InitStruct.Pin = LED_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : WIRE_IO_Pin */
GPIO_InitStruct.Pin = WIRE_IO_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(WIRE_IO_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
void USB_ReEnum(void) {
GPIO_InitTypeDef GPIO_InitStruct = {0};
__HAL_RCC_GPIOA_CLK_ENABLE();
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_RESET);
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
HAL_Delay(100);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_12);
__HAL_RCC_GPIOA_CLK_DISABLE();
}
/* USER CODE END 4 */
/**
* @brief Period elapsed callback in non blocking mode
* @note This function is called when TIM4 interrupt took place, inside
* HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
* a global variable "uwTick" used as application time base.
* @param htim : TIM handle
* @retval None
*/
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
/* USER CODE BEGIN Callback 0 */
/* USER CODE END Callback 0 */
if (htim->Instance == TIM4) {
HAL_IncTick();
}
/* USER CODE BEGIN Callback 1 */
/* USER CODE END Callback 1 */
}
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
Reference in New Issue View Git Blame Copy Permalink