X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=Src%2Fmain.c;h=02220adda978003e7bc1dd0548c9177cb37f073a;hb=0ff6bcd6428b6608d150c1f3586db71451c9d67b;hp=927aabf447c53550ff68d464e2854fbe8aeec0a2;hpb=47a44f048eb9080300489bb55f96a0a358d1736d;p=home-hw.git diff --git a/Src/main.c b/Src/main.c index 927aabf..02220ad 100644 --- a/Src/main.c +++ b/Src/main.c @@ -1,326 +1,326 @@ - -/** - ****************************************************************************** - * @file : main.c - * @brief : Main program body - ****************************************************************************** - ** This notice applies to any and all portions of this file - * that are not between comment pairs USER CODE BEGIN and - * USER CODE END. Other portions of this file, whether - * inserted by the user or by software development tools - * are owned by their respective copyright owners. - * - * COPYRIGHT(c) 2018 STMicroelectronics - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ -/* Includes ------------------------------------------------------------------*/ -#include "main.h" - -/* USER CODE BEGIN Includes */ - -/* USER CODE END Includes */ - -/* Private variables ---------------------------------------------------------*/ - -/* USER CODE BEGIN PV */ -/* Private variables ---------------------------------------------------------*/ - -/* USER CODE END PV */ - -/* Private function prototypes -----------------------------------------------*/ -static void LL_Init(void); -void SystemClock_Config(void); -static void MX_GPIO_Init(void); -static void MX_USART2_UART_Init(void); - -/* USER CODE BEGIN PFP */ -/* Private function prototypes -----------------------------------------------*/ - -/* USER CODE END PFP */ - -/* USER CODE BEGIN 0 */ - -/* USER CODE END 0 */ - -/** - * @brief The application entry point. - * - * @retval None - */ -int main(void) -{ - /* USER CODE BEGIN 1 */ - - /* USER CODE END 1 */ - - /* MCU Configuration----------------------------------------------------------*/ - - /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ - LL_Init(); - - /* USER CODE BEGIN Init */ - - /* USER CODE END Init */ - - /* Configure the system clock */ - SystemClock_Config(); - - /* USER CODE BEGIN SysInit */ - - /* USER CODE END SysInit */ - - /* Initialize all configured peripherals */ - MX_GPIO_Init(); - MX_USART2_UART_Init(); - /* USER CODE BEGIN 2 */ - - /* USER CODE END 2 */ - - /* Infinite loop */ - /* USER CODE BEGIN WHILE */ - while (1) - { - - /* USER CODE END WHILE */ - - /* USER CODE BEGIN 3 */ - - } - /* USER CODE END 3 */ - -} - -static void LL_Init(void) -{ - - - LL_APB1_GRP2_EnableClock(LL_APB1_GRP2_PERIPH_SYSCFG); - - /* System interrupt init*/ - /* SVC_IRQn interrupt configuration */ - NVIC_SetPriority(SVC_IRQn, 0); - /* PendSV_IRQn interrupt configuration */ - NVIC_SetPriority(PendSV_IRQn, 0); - /* SysTick_IRQn interrupt configuration */ - NVIC_SetPriority(SysTick_IRQn, 0); - -} - -/** - * @brief System Clock Configuration - * @retval None - */ -void SystemClock_Config(void) -{ - - LL_FLASH_SetLatency(LL_FLASH_LATENCY_1); - - if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1) - { - Error_Handler(); - } - LL_RCC_HSI_Enable(); - - /* Wait till HSI is ready */ - while(LL_RCC_HSI_IsReady() != 1) - { - - } - LL_RCC_HSI_SetCalibTrimming(16); - - LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI_DIV_2, LL_RCC_PLL_MUL_8); - - LL_RCC_PLL_Enable(); - - /* Wait till PLL is ready */ - while(LL_RCC_PLL_IsReady() != 1) - { - - } - LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1); - - LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1); - - LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL); - - /* Wait till System clock is ready */ - while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) - { - - } - LL_Init1msTick(32000000); - - LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK); - - LL_SetSystemCoreClock(32000000); - - /* SysTick_IRQn interrupt configuration */ - NVIC_SetPriority(SysTick_IRQn, 0); -} - -/* USART2 init function */ -static void MX_USART2_UART_Init(void) -{ - - LL_USART_InitTypeDef USART_InitStruct; - - LL_GPIO_InitTypeDef GPIO_InitStruct; - - /* Peripheral clock enable */ - LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2); - - /**USART2 GPIO Configuration - PA2 ------> USART2_TX - PA3 ------> USART2_RX - */ - GPIO_InitStruct.Pin = USART_TX_Pin; - GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; - GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; - GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; - GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; - GPIO_InitStruct.Alternate = LL_GPIO_AF_1; - LL_GPIO_Init(USART_TX_GPIO_Port, &GPIO_InitStruct); - - GPIO_InitStruct.Pin = USART_RX_Pin; - GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; - GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; - GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; - GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; - GPIO_InitStruct.Alternate = LL_GPIO_AF_1; - LL_GPIO_Init(USART_RX_GPIO_Port, &GPIO_InitStruct); - - USART_InitStruct.BaudRate = 38400; - USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B; - USART_InitStruct.StopBits = LL_USART_STOPBITS_1; - USART_InitStruct.Parity = LL_USART_PARITY_NONE; - USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX; - USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE; - USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16; - LL_USART_Init(USART2, &USART_InitStruct); - - LL_USART_DisableIT_CTS(USART2); - - LL_USART_DisableOverrunDetect(USART2); - - LL_USART_ConfigAsyncMode(USART2); - - LL_USART_Enable(USART2); - -} - -/** Configure pins as - * Analog - * Input - * Output - * EVENT_OUT - * EXTI -*/ -static void MX_GPIO_Init(void) -{ - - LL_EXTI_InitTypeDef EXTI_InitStruct; - LL_GPIO_InitTypeDef GPIO_InitStruct; - - /* GPIO Ports Clock Enable */ - LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC); - LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOF); - LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA); - - /**/ - LL_GPIO_ResetOutputPin(LD2_GPIO_Port, LD2_Pin); - - /**/ - LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13); - - /**/ - LL_GPIO_SetPinPull(B1_GPIO_Port, B1_Pin, LL_GPIO_PULL_NO); - - /**/ - LL_GPIO_SetPinMode(B1_GPIO_Port, B1_Pin, LL_GPIO_MODE_INPUT); - - /**/ - EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_13; - EXTI_InitStruct.LineCommand = ENABLE; - EXTI_InitStruct.Mode = LL_EXTI_MODE_IT; - EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING; - LL_EXTI_Init(&EXTI_InitStruct); - - /**/ - GPIO_InitStruct.Pin = LD2_Pin; - GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT; - GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; - GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; - GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; - LL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct); - -} - -/* USER CODE BEGIN 4 */ - -/* USER CODE END 4 */ - -/** - * @brief This function is executed in case of error occurrence. - * @param file: The file name as string. - * @param line: The line in file as a number. - * @retval None - */ -void _Error_Handler(char *file, int line) -{ - /* USER CODE BEGIN Error_Handler_Debug */ - /* User can add his own implementation to report the HAL error return state */ - 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, - tex: 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****/ + +/** + ****************************************************************************** + * @file : main.c + * @brief : Main program body + ****************************************************************************** + ** This notice applies to any and all portions of this file + * that are not between comment pairs USER CODE BEGIN and + * USER CODE END. Other portions of this file, whether + * inserted by the user or by software development tools + * are owned by their respective copyright owners. + * + * COPYRIGHT(c) 2018 STMicroelectronics + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +static void LL_Init(void); +void SystemClock_Config(void); +static void MX_GPIO_Init(void); +static void MX_USART2_UART_Init(void); + +/* USER CODE BEGIN PFP */ +/* Private function prototypes -----------------------------------------------*/ + +/* USER CODE END PFP */ + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/** + * @brief The application entry point. + * + * @retval None + */ +int main(void) +{ + /* USER CODE BEGIN 1 */ + + /* USER CODE END 1 */ + + /* MCU Configuration----------------------------------------------------------*/ + + /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ + LL_Init(); + + /* USER CODE BEGIN Init */ + + /* USER CODE END Init */ + + /* Configure the system clock */ + SystemClock_Config(); + + /* USER CODE BEGIN SysInit */ + + /* USER CODE END SysInit */ + + /* Initialize all configured peripherals */ + MX_GPIO_Init(); + MX_USART2_UART_Init(); + /* USER CODE BEGIN 2 */ + + /* USER CODE END 2 */ + + /* Infinite loop */ + /* USER CODE BEGIN WHILE */ + while (1) + { + + /* USER CODE END WHILE */ + + /* USER CODE BEGIN 3 */ + + } + /* USER CODE END 3 */ + +} + +static void LL_Init(void) +{ + + + LL_APB1_GRP2_EnableClock(LL_APB1_GRP2_PERIPH_SYSCFG); + + /* System interrupt init*/ + /* SVC_IRQn interrupt configuration */ + NVIC_SetPriority(SVC_IRQn, 0); + /* PendSV_IRQn interrupt configuration */ + NVIC_SetPriority(PendSV_IRQn, 0); + /* SysTick_IRQn interrupt configuration */ + NVIC_SetPriority(SysTick_IRQn, 0); + +} + +/** + * @brief System Clock Configuration + * @retval None + */ +void SystemClock_Config(void) +{ + + LL_FLASH_SetLatency(LL_FLASH_LATENCY_1); + + if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_1) + { + Error_Handler(); + } + LL_RCC_HSI_Enable(); + + /* Wait till HSI is ready */ + while(LL_RCC_HSI_IsReady() != 1) + { + + } + LL_RCC_HSI_SetCalibTrimming(16); + + LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI_DIV_2, LL_RCC_PLL_MUL_8); + + LL_RCC_PLL_Enable(); + + /* Wait till PLL is ready */ + while(LL_RCC_PLL_IsReady() != 1) + { + + } + LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1); + + LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1); + + LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL); + + /* Wait till System clock is ready */ + while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) + { + + } + LL_Init1msTick(32000000); + + LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK); + + LL_SetSystemCoreClock(32000000); + + /* SysTick_IRQn interrupt configuration */ + NVIC_SetPriority(SysTick_IRQn, 0); +} + +/* USART2 init function */ +static void MX_USART2_UART_Init(void) +{ + + LL_USART_InitTypeDef USART_InitStruct; + + LL_GPIO_InitTypeDef GPIO_InitStruct; + + /* Peripheral clock enable */ + LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2); + + /**USART2 GPIO Configuration + PA2 ------> USART2_TX + PA3 ------> USART2_RX + */ + GPIO_InitStruct.Pin = USART_TX_Pin; + GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; + GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; + GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; + GPIO_InitStruct.Alternate = LL_GPIO_AF_1; + LL_GPIO_Init(USART_TX_GPIO_Port, &GPIO_InitStruct); + + GPIO_InitStruct.Pin = USART_RX_Pin; + GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; + GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; + GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; + GPIO_InitStruct.Alternate = LL_GPIO_AF_1; + LL_GPIO_Init(USART_RX_GPIO_Port, &GPIO_InitStruct); + + USART_InitStruct.BaudRate = 38400; + USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B; + USART_InitStruct.StopBits = LL_USART_STOPBITS_1; + USART_InitStruct.Parity = LL_USART_PARITY_NONE; + USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX; + USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE; + USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16; + LL_USART_Init(USART2, &USART_InitStruct); + + LL_USART_DisableIT_CTS(USART2); + + LL_USART_DisableOverrunDetect(USART2); + + LL_USART_ConfigAsyncMode(USART2); + + LL_USART_Enable(USART2); + +} + +/** Configure pins as + * Analog + * Input + * Output + * EVENT_OUT + * EXTI +*/ +static void MX_GPIO_Init(void) +{ + + LL_EXTI_InitTypeDef EXTI_InitStruct; + LL_GPIO_InitTypeDef GPIO_InitStruct; + + /* GPIO Ports Clock Enable */ + LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC); + LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOF); + LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA); + + /**/ + LL_GPIO_ResetOutputPin(LD2_GPIO_Port, LD2_Pin); + + /**/ + LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13); + + /**/ + LL_GPIO_SetPinPull(B1_GPIO_Port, B1_Pin, LL_GPIO_PULL_NO); + + /**/ + LL_GPIO_SetPinMode(B1_GPIO_Port, B1_Pin, LL_GPIO_MODE_INPUT); + + /**/ + EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_13; + EXTI_InitStruct.LineCommand = ENABLE; + EXTI_InitStruct.Mode = LL_EXTI_MODE_IT; + EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING; + LL_EXTI_Init(&EXTI_InitStruct); + + /**/ + GPIO_InitStruct.Pin = LD2_Pin; + GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT; + GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; + GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; + LL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct); + +} + +/* USER CODE BEGIN 4 */ + +/* USER CODE END 4 */ + +/** + * @brief This function is executed in case of error occurrence. + * @param file: The file name as string. + * @param line: The line in file as a number. + * @retval None + */ +void _Error_Handler(char *file, int line) +{ + /* USER CODE BEGIN Error_Handler_Debug */ + /* User can add his own implementation to report the HAL error return state */ + 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, + tex: 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****/