[Firmware] M058 - gpio_timer_delay

[설명]

- P0.3에 LED를 설피함

- 0.5초마다 LED가 깜빡임

 

[기본코드]

#include <stdio.h>
#include "M051Series.h"
 
#define PLL_CLOCK           50000000
 
void TMR1_init(void)
{
    CLK_EnableModuleClock(TMR1_MODULE);    
    CLK_SetModuleClock(TMR1_MODULE, CLK_CLKSEL1_TMR1_S_HIRC, 1);
}
 
void SYS_Init(void)
{
    /*---------------------------------------------------------------------------------------------------------*/
    /* Init System Clock                                                                                       */
    /*---------------------------------------------------------------------------------------------------------*/
    /* Enable Internal RC 22.1184MHz clock */
    CLK_EnableXtalRC(CLK_PWRCON_OSC22M_EN_Msk);
 
    /* Waiting for Internal RC clock ready */
    CLK_WaitClockReady(CLK_CLKSTATUS_OSC22M_STB_Msk);
 
    /* Switch HCLK clock source to Internal RC and HCLK source divide 1 */
    CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_HIRC, CLK_CLKDIV_HCLK(1));
 
    /* Set core clock as PLL_CLOCK from PLL */
    CLK_SetCoreClock(PLL_CLOCK);
 
    /* Enable UART module clock */
    CLK_EnableModuleClock(UART0_MODULE);
 
    /* Select UART module clock source */
    CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UART_S_PLL, CLK_CLKDIV_UART(1));
}
 
int main(void)
{
    /* Unlock protected registers */
    SYS_UnlockReg();
 
    /* Init System, peripheral clock and multi-function I/O */
    SYS_Init();
 
    /* Lock protected registers */
    SYS_LockReg();
 
    TMR1_init();
    
    GPIO_SetMode(P0, BIT3, GPIO_PMD_OUTPUT); //Water LED
    P03 = 0;
    
    while(1)
    {
        P03 ^= 1;
 
        //Delay period in micro seconds. Valid values are between 100~1000000 (100 micro second ~ 1 second).
        TIMER_Delay(TIMER1, 500000); //0.5 sec
    }
}