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/**
******************************************************************************
* @file BSP/Src/main.c
* @author MCD Application Team
* @brief This example code shows how to use the STM324xG BSP Drivers
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/** @addtogroup STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t DemoIndex = 0;
BSP_DemoTypedef BSP_examples[]={
{ACCELERO_MEMS_Test, "LSM303DLHC", 0},
{GYRO_MEMS_Test, "L3GD20", 1},
{AudioPlay_Test, "CS43L22", 2},
{AudioRecord_Test, "MP45DT02", 3},
};
__IO uint8_t UserPressButton = 0;
/* Wave Player Pause/Resume Status. Defined as external in waveplayer.c file */
__IO uint32_t PauseResumeStatus = IDLE_STATUS;
/* Counter for User button presses */
__IO uint32_t PressCount = 0;
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* 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 LED3, LED4, LED5 and LED6 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
BSP_LED_Init(LED5);
BSP_LED_Init(LED6);
/* Configure the system clock to 84 MHz */
SystemClock_Config();
/* Configure the User Button in GPIO Mode */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
/* Toggle LEDs between each Test */
while (!UserPressButton) Toggle_Leds();
BSP_LED_Off(LED3);
BSP_LED_Off(LED4);
BSP_LED_Off(LED5);
BSP_LED_Off(LED6);
/* 1. Start Test: Wait For User inputs -------------------------------------*/
while (1)
{
UserPressButton = 0;
BSP_examples[DemoIndex++].DemoFunc();
/* If all Demo has been already executed, Reset DemoIndex to restart BSP example*/
if(DemoIndex >= COUNT_OF_EXAMPLE(BSP_examples))
{
DemoIndex = 0;
}
/* Toggle LEDs between each Test */
UserPressButton = 0;
while (!UserPressButton) Toggle_Leds();
BSP_LED_Off(LED3);
BSP_LED_Off(LED4);
BSP_LED_Off(LED5);
BSP_LED_Off(LED6);
}
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 84000000
* HCLK(Hz) = 84000000
* AHB Prescaler = 1
* APB1 Prescaler = 2
* APB2 Prescaler = 1
* HSE Frequency(Hz) = 8000000
* PLL_M = 8
* PLL_N = 336
* PLL_P = 4
* PLL_Q = 7
* VDD(V) = 3.3
* Main regulator output voltage = Scale2 mode
* Flash Latency(WS) = 2
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
/* Enable Power Control clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* The voltage scaling allows optimizing the power consumption when the device is
clocked below the maximum system frequency, to update the voltage scaling value
regarding system frequency refer to product datasheet. */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
/* Enable HSE Oscillator and activate PLL with HSE as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | 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;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
}
/**
* @brief EXTI line detection callbacks.
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (KEY_BUTTON_PIN == GPIO_Pin)
{
while (BSP_PB_GetState(BUTTON_KEY) != RESET);
UserPressButton = 1;
}
if(ACCELERO_INT1_PIN == GPIO_Pin)
{
if (PressCount == 1)
{
/* Resume playing Wave status */
PauseResumeStatus = RESUME_STATUS;
PressCount = 0;
}
else
{
/* Pause playing Wave status */
PauseResumeStatus = PAUSE_STATUS;
PressCount = 1;
}
}
}
/**
* @brief Toggle LEDs
* @param None
* @retval None
*/
void Toggle_Leds(void)
{
BSP_LED_Toggle(LED3);
HAL_Delay(100);
BSP_LED_Toggle(LED4);
HAL_Delay(100);
BSP_LED_Toggle(LED5);
HAL_Delay(100);
BSP_LED_Toggle(LED6);
HAL_Delay(100);
}
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void Error_Handler(void)
{
/* Turn LED5 on */
BSP_LED_On(LED5);
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
/**
* @}
*/
/**
* @}
*/