diff options
Diffstat (limited to 'stm32f091/setup.c')
| -rw-r--r-- | stm32f091/setup.c | 177 |
1 files changed, 106 insertions, 71 deletions
diff --git a/stm32f091/setup.c b/stm32f091/setup.c index ed4ee0b..fec2b7c 100644 --- a/stm32f091/setup.c +++ b/stm32f091/setup.c @@ -7,11 +7,47 @@ #include "setup.h" -I2C_HandleTypeDef hi2c1; -UART_HandleTypeDef huart2; +I2C_HandleTypeDef hi2c1 = { + .Instance = I2C1, + .Init.Timing = 0x2000090E, + .Init.OwnAddress1 = 0, + .Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT, + .Init.DualAddressMode = I2C_DUALADDRESS_DISABLE, + .Init.OwnAddress2 = 0, + .Init.OwnAddress2Masks = I2C_OA2_NOMASK, + .Init.GeneralCallMode = I2C_GENERALCALL_DISABLE, + .Init.NoStretchMode = I2C_NOSTRETCH_DISABLE, +}; + +UART_HandleTypeDef huart1 = { + .Instance = USART1, + .Init.BaudRate = 115200, + .Init.WordLength = UART_WORDLENGTH_8B, + .Init.StopBits = UART_STOPBITS_1, + .Init.Parity = UART_PARITY_NONE, + .Init.Mode = UART_MODE_TX_RX, + .Init.HwFlowCtl = UART_HWCONTROL_NONE, + .Init.OverSampling = UART_OVERSAMPLING_16, + .Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE, + .AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT, +}; + +UART_HandleTypeDef huart2 = { + .Instance = USART2, + .Init.BaudRate = 115200, + .Init.WordLength = UART_WORDLENGTH_8B, + .Init.StopBits = UART_STOPBITS_1, + .Init.Parity = UART_PARITY_NONE, + .Init.Mode = UART_MODE_TX_RX, + .Init.HwFlowCtl = UART_HWCONTROL_NONE, + .Init.OverSampling = UART_OVERSAMPLING_16, + .Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE, + .AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT, +}; static void ws_io_clock_setup(); static void ws_io_i2c_setup(); +static void ws_io_usart1_setup(); static void ws_io_usart2_setup(); static void ws_setup_error_handler(); @@ -20,67 +56,52 @@ void ws_io_setup() { ws_io_clock_setup(); ws_io_i2c_setup(); + ws_io_usart1_setup(); ws_io_usart2_setup(); } static void ws_io_clock_setup() { - 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_HSI; - RCC_OscInitStruct.HSIState = RCC_HSI_ON; - RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; - RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; - RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12; - RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV2; - if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) return ws_setup_error_handler(); - - /** Initializes the CPU, AHB and APB buses clocks */ - RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK - |RCC_CLOCKTYPE_PCLK1; - RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; - RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; - RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; - - if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) return ws_setup_error_handler(); - PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2|RCC_PERIPHCLK_I2C1; - PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1; - PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI; - if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) return ws_setup_error_handler(); + if (HAL_OK != HAL_RCC_OscConfig(&(RCC_OscInitTypeDef){ + .OscillatorType = RCC_OSCILLATORTYPE_HSI, + .HSIState = RCC_HSI_ON, + .HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT, + .PLL.PLLState = RCC_PLL_ON, + .PLL.PLLSource = RCC_PLLSOURCE_HSI, + .PLL.PLLMUL = RCC_PLL_MUL12, + .PLL.PREDIV = RCC_PREDIV_DIV2, + })) return ws_setup_error_handler(); + + if (HAL_OK != HAL_RCC_ClockConfig(&(RCC_ClkInitTypeDef){ + .ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1, + .SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK, + .AHBCLKDivider = RCC_SYSCLK_DIV1, + .APB1CLKDivider = RCC_HCLK_DIV1, + }, FLASH_LATENCY_1)) return ws_setup_error_handler(); + + if (HAL_RCCEx_PeriphCLKConfig(&(RCC_PeriphCLKInitTypeDef){ + .PeriphClockSelection = RCC_PERIPHCLK_USART2|RCC_PERIPHCLK_I2C1, + .Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1, + .I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI, + }) != HAL_OK) return ws_setup_error_handler(); } static void ws_io_i2c_setup() { - hi2c1.Instance = I2C1; - hi2c1.Init.Timing = 0x2000090E; - hi2c1.Init.OwnAddress1 = 0; - hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; - hi2c1.Init.OwnAddress2 = 0; - hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; - hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; - if (HAL_I2C_Init(&hi2c1) != HAL_OK) return ws_setup_error_handler(); - if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK) return ws_setup_error_handler(); - if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK) return ws_setup_error_handler(); + if (HAL_I2C_Init(&hi2c1) != HAL_OK) + return ws_setup_error_handler(); + if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK) + return ws_setup_error_handler(); + if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK) + return ws_setup_error_handler(); +} + +static void ws_io_usart1_setup() { + if (HAL_UART_Init(&huart1) != HAL_OK) + return ws_setup_error_handler(); } static void ws_io_usart2_setup() { - huart2.Instance = USART2; - huart2.Init.BaudRate = 115200; - huart2.Init.WordLength = UART_WORDLENGTH_8B; - huart2.Init.StopBits = UART_STOPBITS_1; - huart2.Init.Parity = UART_PARITY_NONE; - huart2.Init.Mode = UART_MODE_TX_RX; - huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; - huart2.Init.OverSampling = UART_OVERSAMPLING_16; - huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; - huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; - if (HAL_UART_Init(&huart2) != HAL_OK) return ws_setup_error_handler(); + if (HAL_UART_Init(&huart2) != HAL_OK) + return ws_setup_error_handler(); } void HAL_MspInit() { @@ -92,29 +113,43 @@ void HAL_MspInit() { void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c) { if(hi2c->Instance != I2C1) return; - GPIO_InitTypeDef GPIO_InitStruct = {0}; __HAL_RCC_GPIOB_CLK_ENABLE(); - GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9; //TODO: use #defines in setup.h - GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; - GPIO_InitStruct.Alternate = GPIO_AF1_I2C1; - HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + HAL_GPIO_Init(GPIOB, &(GPIO_InitTypeDef) { + .Pin = GPIO_PIN_8|GPIO_PIN_9, //TODO: use #defines in setup.h + .Mode = GPIO_MODE_AF_OD, + .Pull = GPIO_NOPULL, + .Speed = GPIO_SPEED_FREQ_HIGH, + .Alternate = GPIO_AF1_I2C1, + }); __HAL_RCC_I2C1_CLK_ENABLE(); } void HAL_UART_MspInit(UART_HandleTypeDef *huart) { - if(huart->Instance != USART2) return; - - GPIO_InitTypeDef GPIO_InitStruct = {0}; - __HAL_RCC_USART2_CLK_ENABLE(); - __HAL_RCC_GPIOA_CLK_ENABLE(); - GPIO_InitStruct.Pin = WS_PINOUT_USART_TX_PIN | WS_PINOUT_USART_RX_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; - GPIO_InitStruct.Alternate = GPIO_AF1_USART2; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + if(huart->Instance == USART1) { + __HAL_RCC_USART1_CLK_ENABLE(); + __HAL_RCC_GPIOA_CLK_ENABLE(); + HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef){ + .Pin = WS_PINOUT_USART1_TX_PIN | WS_PINOUT_USART1_RX_PIN, + .Mode = GPIO_MODE_AF_PP, + .Pull = GPIO_NOPULL, + .Speed = GPIO_SPEED_FREQ_HIGH, + .Alternate = GPIO_AF1_USART1, + }); + + // USART1 interrupt Init + HAL_NVIC_SetPriority(USART1_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(USART1_IRQn); + } else if (huart->Instance == USART2) { + __HAL_RCC_USART2_CLK_ENABLE(); + __HAL_RCC_GPIOA_CLK_ENABLE(); + HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef) { + .Pin = WS_PINOUT_USART2_TX_PIN | WS_PINOUT_USART2_RX_PIN, + .Mode = GPIO_MODE_AF_PP, + .Pull = GPIO_NOPULL, + .Speed = GPIO_SPEED_FREQ_LOW, + .Alternate = GPIO_AF1_USART2, + }); + } } void SysTick_Handler() { |