log.c

Explains how to generate a log screen.

/*
 * This example shows how to make a console log screen.
 * The oldest log string will be deleted if there is not enough space on the
 * screen for a new one.
 */

#include <stm32f4xx.h>
#include <stdio.h>
#include <lcd.h>

static __IO uint32_t TimingDelay;

void Delay(__IO uint32_t nTime) {
    TimingDelay = nTime;
    while (TimingDelay != 0);
}

void SysTick_Handler(void) {
    if (TimingDelay) {
        TimingDelay--;
    }
}

int main(void) {

    uint8_t i = 0;
    char str[20];

    if (SysTick_Config(SystemCoreClock / 1000)) {
        while (1);
    }

    LCD_Init();
    LCD_SetFont(&font_6x12);

    for (;;) {
        sprintf(str, "Log message %u", i++);
        LCD_Log_AddMsg(str);
        Delay(1000);
    }
    return 0;
}