mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
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385 lines
12 KiB
C
385 lines
12 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author MCD Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stlogo.h"
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/** @addtogroup STM32F4xx-Nucleo_Demo
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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typedef enum
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{
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SHIELD_NOT_DETECTED = 0,
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SHIELD_DETECTED
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}ShieldStatus;
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/* Private define -------------------------------------------------------------*/
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/* tmp */
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#define BUTTON_USER BUTTON_KEY
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/* Private macro -------------------------------------------------------------*/
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/* Private variables -----------------------------------------------------------*/
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uint8_t DemoIndex = 0;
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uint8_t UserButtonPressed = 0x00;
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uint32_t LedToggleDelay = 0x00;
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/* Private function prototypes --------------------------------------------------*/
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static void SystemClock_Config(void);
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static ShieldStatus TFT_ShieldDetect(void);
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#ifdef ADAFRUIT_TFT_JOY_SD_ID802
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static void Display_DemoDescription(void);
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#endif /* ADAFRUIT_TFT_JOY_SD_ID802 */
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BSP_DemoTypedef BSP_examples[]=
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{
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{Joystick_demo, "JOYSTICK", 0},
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{LCD_demo, "LCD", 0},
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{SD_demo, "mSD", 0},
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};
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program.
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* @param None
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* @retval None
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*/
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int main(void)
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{
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uint8_t count = 0;
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/* Init HAL */
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HAL_Init();
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/* Configure the system clock */
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SystemClock_Config();
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/* Retrieve System Core Clock */
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SystemCoreClock = HAL_RCC_GetHCLKFreq();
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/* Initialize User_Button on STM32F4xx-Nucleo ------------------*/
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BSP_PB_Init(BUTTON_USER, BUTTON_MODE_EXTI);
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/* Check the availability of adafruit 1.8" TFT shield on top of STM32NUCLEO
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board. This is done by reading the state of IO PF.03 pin (mapped to JoyStick
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available on adafruit 1.8" TFT shield). If the state of PF.03 is high then
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the adafruit 1.8" TFT shield is available. */
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if(TFT_ShieldDetect() == SHIELD_DETECTED)
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{
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#ifdef ADAFRUIT_TFT_JOY_SD_ID802
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BSP_LED_Init(LED2);
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BSP_LED_Init(LED3);
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/* Initialize the LCD */
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BSP_LCD_Init();
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Display_DemoDescription();
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while (1)
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{
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BSP_LED_Toggle(LED2);
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HAL_Delay(100);
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if(BSP_PB_GetState(BUTTON_USER) != RESET)
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{
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HAL_Delay(10);
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while (BSP_PB_GetState(BUTTON_USER) != RESET);
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BSP_examples[DemoIndex++].DemoFunc();
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if(DemoIndex >= COUNT_OF_EXAMPLE(BSP_examples))
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{
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DemoIndex = 0;
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}
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Display_DemoDescription();
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}
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}
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#endif /* ADAFRUIT_TFT_JOY_SD_ID802 */
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}
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else /* there is no AdaFruit shield 802 connected */
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{
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/* Initialize Led1 on STM32F4xx-Nucleo ------------------*/
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BSP_LED_Init(LED1); /* this is in conflict with Adafruit shield */
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BSP_LED_Init(LED2);
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BSP_LED_Init(LED3);
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/* 0. Wait for User button to be pressed -------------------------------------*/
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while (BSP_PB_GetState(BUTTON_USER) != KEY_PRESSED)
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{
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/* Toggle LED3 */
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BSP_LED_Toggle(LED2);
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HAL_Delay(200);
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}
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/* Wait for User button is released */
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while (BSP_PB_GetState(BUTTON_USER) != KEY_NOT_PRESSED)
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{}
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BSP_LED_Off(LED3);
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/* Infinite loop */
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while (1)
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{
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if(UserButtonPressed==0x01)
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{
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count++;
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LedToggleDelay += 20*count;
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UserButtonPressed = 0x00;
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if(LedToggleDelay>500)
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{
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LedToggleDelay = 20;
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count = 0;
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}
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}
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/* Toggle LED1 & LED2 */
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BSP_LED_Toggle(LED1);
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HAL_Delay(LedToggleDelay);
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BSP_LED_Toggle(LED2);
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HAL_Delay(LedToggleDelay);
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}
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}
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 180000000
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* HCLK(Hz) = 180000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 4
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* APB2 Prescaler = 2
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* HSE Frequency(Hz) = 8000000
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* PLL_M = 8
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* PLL_N = 360
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* PLL_P = 2
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* PLL_Q = 7
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* PLL_R = 2
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 5
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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HAL_StatusTypeDef ret = HAL_OK;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 8;
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RCC_OscInitStruct.PLL.PLLN = 360;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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RCC_OscInitStruct.PLL.PLLR = 2;
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ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
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if(ret != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief Display main demo messages.
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* @param None
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* @retval None
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*/
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#ifdef ADAFRUIT_TFT_JOY_SD_ID802
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static void Display_DemoDescription(void)
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{
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uint8_t desc[50];
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BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
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/* Clear the LCD */
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BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
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BSP_LCD_Clear(LCD_COLOR_WHITE);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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/* Display LCD messages */
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BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"STM32F446ZE BSP", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 25, (uint8_t *)"Drivers examples", CENTER_MODE);
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/* Draw Bitmap */
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BSP_LCD_DrawBitmap((BSP_LCD_GetXSize() - 80)/2, 35, (uint8_t *)stlogo);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 15, (uint8_t *)"Copyright (c) STM 2017", CENTER_MODE);
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillRect(0, BSP_LCD_GetYSize()/2 + 15, BSP_LCD_GetXSize(), 40);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 25, (uint8_t *)"Use User Button to start", CENTER_MODE);
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sprintf((char *)desc,"%s example", BSP_examples[DemoIndex].DemoName);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 40, (uint8_t *)desc, CENTER_MODE);
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}
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#endif /* ADAFRUIT_TFT_JOY_SD_ID802 */
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/**
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* @brief Check for user input.
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* @param None
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* @retval Input state (1 : active / 0 : Inactive)
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*/
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uint8_t CheckForUserInput(void)
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{
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if(BSP_PB_GetState(BUTTON_USER) != RESET)
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{
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HAL_Delay(10);
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while (BSP_PB_GetState(BUTTON_USER) != RESET);
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return 1 ;
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}
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return 0;
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}
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/**
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* @brief Check the availability of adafruit 1.8" TFT shield on top of STM32NUCLEO
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* board. This is done by reading the state of IO PC.01 pin when using the
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* ADC1 peripheral or IO PF.03 pin when using ADC3 peripheral (mapped to
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* JoyStick available on adafruit 1.8" TFT shield). If the state of PC.01 or
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* PF.03 is high then the adafruit 1.8" TFT shield is available.
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* @param None
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* @retval SHIELD_DETECTED: 1.8" TFT shield is available
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* SHIELD_NOT_DETECTED: 1.8" TFT shield is not available
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*/
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static ShieldStatus TFT_ShieldDetect(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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/* Enable GPIO clock */
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NUCLEO_ADCx_GPIO_CLK_ENABLE();
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GPIO_InitStruct.Pin = NUCLEO_ADCx_GPIO_PIN ;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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HAL_GPIO_Init(NUCLEO_ADCx_GPIO_PORT , &GPIO_InitStruct);
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if(HAL_GPIO_ReadPin(NUCLEO_ADCx_GPIO_PORT , NUCLEO_ADCx_GPIO_PIN) != 0)
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{
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return SHIELD_DETECTED;
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}
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else
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{
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return SHIELD_NOT_DETECTED;
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}
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}
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/**
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* @brief EXTI line detection callbacks
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* @param GPIO_Pin: Specifies the pins connected EXTI line
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* @retval None
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*/
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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if(GPIO_Pin==USER_BUTTON_PIN)
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{
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UserButtonPressed = 0x01;
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}
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}
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/**
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* @brief This function handles the test program fail.
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* @param None
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* @retval None
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*/
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void Error_Handler(void)
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{
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while(1)
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{
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/* Blue LED stays ON*/
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BSP_LED_On(LED2);
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t* file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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