AN3128 datasheet(94/105 Pages) STMICROELECTRONICS

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Getting started with the system

AN3128

94/105

Doc ID 16918 Rev 5

Getting started with the system

5.1

Example application - main.c

An example of a main application is given below. The main function contains an example of

the Graphic library initialization/configuration and implements the classic operations:

/* Includes ------------------------------------------------------------------*/

#include "main.h"

#include "hw_config.h"

#include "menu.h"

#include "cursor.h"

#include "pictures.h"

#include <stdio.h>

/* Main_Private_Macros -----------------------------------------------------------*/

#ifdef __GNUC__

/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf

set to 'Yes') calls __io_putchar() */

#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)

#endif /* __GNUC__ */

/**

* @brief

Main program.

* @param

None

* @retval None

int main(void)

{

RCC_ClocksTypeDef RCC_Clocks;

uint32_t time_out = 0xFFF;

/* Setup the microcontroller system. Initialize the Embedded Flash Interface,

initialize the PLL and update the SystemFrequency variable. */

SystemInit();

/* Setup SysTick Timer for 10 msec interrupts

RCC_GetClocksFreq(&RCC_Clocks);

if (SysTick_Config(RCC_Clocks.SYSCLK_Frequency / 100))

{

/* Capture error */

while (1);

}

/* Set HW structure parameters */

HWConfig_SetHardwareParams();

/* Set the Vector Table base location at 0x08000000 */

NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0000);

/* If the LCD Panel has a resolution of 320x240 this command is not needed, it's

set by default */

/* Set_LCD_Resolution( 320, 240 ); */

/* Initialize the LCD */

GL_LCD_Init();

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