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Diffstat (limited to 'src/led-test/stm_init.c')
| -rw-r--r-- | src/led-test/stm_init.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/led-test/stm_init.c b/src/led-test/stm_init.c new file mode 100644 index 0000000..f2b1f78 --- /dev/null +++ b/src/led-test/stm_init.c @@ -0,0 +1,208 @@ +/** + ****************************************************************************** + * @file GPIO/GPIO_IOToggle/Src/main.c + * @author MCD Application Team + * @version V1.0.1 + * @date 26-February-2014 + * @brief This example describes how to configure and use GPIOs through + * the STM32F4xx HAL API. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * + * 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 "stm_init.h" +//#include "stm32f4xx_hal.h" +//#include "stm32f4xx_hal_rcc.h" + +/** @addtogroup STM32F4xx_HAL_Examples + * @{ + */ + +/** @addtogroup GPIO_IOToggle + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ + +static GPIO_InitTypeDef GPIO_InitStruct; + +/* Private function prototypes -----------------------------------------------*/ +static void SystemClock_Config(void); +static void Error_Handler(void); +static void MX_GPIO_Init(void); +/* Private functions ---------------------------------------------------------*/ + +/** + * @brief Main program + * @param None + * @retval None + */ +void stm_init(void) +{ + /* Generic STM32 initialization. + + To proceed, 3 steps are required: */ + + /* STM32F4xx HAL library initialization: + - Configure the Flash prefetch, instruction and Data caches + - Configure the Systick to generate an interrupt each 1 msec + - Set NVIC Group Priority to 4 + - Global MSP (MCU Support Package) initialization + */ + HAL_Init(); + + /* Configure the system clock */ + SystemClock_Config(); + + /* System interrupt init*/ + /* Sets the priority grouping field */ + HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0); + HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); + + /* Initialize all configured peripherals */ + MX_GPIO_Init(); +} + + +/** System Clock Configuration + * + * HSI source, end result is 16 MHz SYSCLK + * +*/ +void SystemClock_Config(void) +{ + + RCC_OscInitTypeDef RCC_OscInitStruct; + + __PWR_CLK_ENABLE(); + + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2); + + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSICalibrationValue = 6; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { + Error_Handler(); + } + + HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_1); + + HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_1); +} + + +/** Configure pins as + + PB12 ------> GREEN LED + PB13 ------> YELLOW LED + PB14 ------> GREEN lED + PB15 ------> BLUE LED + PC9 ------> MCO_2 + PA8 ------> MCO_1 +*/ +void MX_GPIO_Init(void) +{ + /* GPIO Ports Clock Enable */ + __GPIOA_CLK_ENABLE(); + __GPIOB_CLK_ENABLE(); + __GPIOC_CLK_ENABLE(); + + /*Configure LED GPIO pins PB12==red, PB13==yellow, PB14==green, PB15==blue */ + GPIO_InitStruct.Pin = LED_RED | LED_YELLOW | LED_GREEN | LED_BLUE; + GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_LOW; + HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); + + /*Configure GPIO pin : PC9 (RCC_MCO_2) */ + GPIO_InitStruct.Pin = GPIO_PIN_9; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF0_MCO; + HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); + + /*Configure GPIO pin : PA8 (RCC_MCO_1) */ + GPIO_InitStruct.Pin = GPIO_PIN_8; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_LOW; + GPIO_InitStruct.Alternate = GPIO_AF0_MCO; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); +} + +/** + * @brief This function is executed in case of error occurrence. + * @param None + * @retval None + */ +static void Error_Handler(void) +{ + HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET); + while(1) + { + } +} + +#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 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) */ + + /* Infinite loop */ + while (1) + { + } +} +#endif + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |