272 lines
7.6 KiB
C
272 lines
7.6 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "usb_device.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "usbd_cdc_if.h"
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#include "one_wire_impl_ll.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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onewire_impl_ll_t g_ow_impl = {
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.GPIOx = WIRE_IO_GPIO_Port,
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.PinMask = LL_GPIO_PIN_0
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};
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onewire_t g_ow = {
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.cb = {
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.delay_usec = (onewire_ret_t (*)(void *, uint32_t))ow_impl_delay_us,
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.drive_dq = (onewire_ret_t (*)(void *, uint8_t))ow_impl_drive_dq,
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.read_dq = (uint8_t (*)(void *))ow_impl_read_dq
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},
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.user_data = &g_ow_impl
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};
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_USB_DEVICE_Init();
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/* USER CODE BEGIN 2 */
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onewire_bus_reset(&g_ow);
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onewire_bus_search_devices(&g_ow);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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CDC_Transmit_FS((uint8_t *)"H+\r\n", 4);
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HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
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HAL_Delay(1000);
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
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{
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Error_Handler();
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}
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
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PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/** Enables the Clock Security System
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*/
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HAL_RCC_EnableCSS();
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(WIRE_IO_GPIO_Port, WIRE_IO_Pin, GPIO_PIN_SET);
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/*Configure GPIO pin : LED_Pin */
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GPIO_InitStruct.Pin = LED_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : WIRE_IO_Pin */
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GPIO_InitStruct.Pin = WIRE_IO_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(WIRE_IO_GPIO_Port, &GPIO_InitStruct);
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}
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief Period elapsed callback in non blocking mode
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* @note This function is called when TIM4 interrupt took place, inside
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* HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
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* a global variable "uwTick" used as application time base.
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* @param htim : TIM handle
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* @retval None
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*/
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
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{
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/* USER CODE BEGIN Callback 0 */
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/* USER CODE END Callback 0 */
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if (htim->Instance == TIM4) {
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HAL_IncTick();
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}
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/* USER CODE BEGIN Callback 1 */
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/* USER CODE END Callback 1 */
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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