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main.c
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main.c
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/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f429i_discovery_lcd.h"
#include "stm32f429i_discovery_gyroscope.h"
#include "..\Components\ili9341\ili9341.h"
#include <stdio.h>
/** @addtogroup STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup Templates
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void SystemClock_Config(void);
static void Error_Handler(void);
void Delaimes(int Count);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
// uint8_t R;
uint8_t buf[10];
uint8_t buf_1[10];
uint8_t buf_2[10];
float pdd[3];
/* 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
- Low Level Initialization
*/
HAL_Init();
SystemClock_Config();
BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(LCD_FOREGROUND_LAYER, (LCD_FRAME_BUFFER + BUFFER_OFFSET));
/* Configure the transparency for foreground : Increase the transprency */
BSP_LCD_SetTransparency(LCD_BACKGROUND_LAYER, 0);
BSP_LCD_SelectLayer(LCD_FOREGROUND_LAYER);
BSP_GYRO_Init();
//R=BSP_GYRO_ReadID();
/* Configure the System clock to have a frequency of 180 MHz */
SystemClock_Config();
Delaimes(20);
BSP_GYRO_Init();
Delaimes(4);
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
BSP_LCD_Clear(LCD_COLOR_BLACK );
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
Delaimes(4);
/* Infinite loop */
while (1)
{
BSP_GYRO_GetXYZ(pdd);
sprintf(buf,"%.3f",pdd[0]);
sprintf(buf_1,"%.3f",pdd[1]);
sprintf(buf_2,"%.3f",pdd[2]);
BSP_LCD_DisplayStringAtLine(0,buf);
BSP_LCD_DisplayStringAtLine(1,buf_1);
BSP_LCD_DisplayStringAtLine(2,buf_2);
Delaimes(200);
}
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 180000000
* HCLK(Hz) = 180000000
* AHB Prescaler = 1
* APB1 Prescaler = 4
* APB2 Prescaler = 2
* HSE Frequency(Hz) = 8000000
* PLL_M = 8
* PLL_N = 360
* PLL_P = 2
* PLL_Q = 7
* VDD(V) = 3.3
* Main regulator output voltage = Scale1 mode
* Flash Latency(WS) = 5
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
/* Enable Power Control clock */
__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_SCALE1);
/* 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 = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
if(HAL_PWREx_ActivateOverDrive() != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* 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_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
void Delaimes(int Count)
{short int i;
for(;Count>0;Count--)
{for(i=0;i<0x4fff;i++);//0x4fff
}
}
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
static void Error_Handler(void)
{
/* User may add here some code to deal with this error */
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