main.c
2.01 KB
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#include <stdint.h>
#include <stdbool.h>
#define PA_PER (*((volatile uint32_t*)0xFFFFF200))
#define PA_OER (*((volatile uint32_t*)0xFFFFF210))
#define PA_SODR (*((volatile uint32_t*)0xFFFFF230))
#define PA_CODR (*((volatile uint32_t*)0xFFFFF234))
#define PA_PDSR (*((volatile uint32_t*)0xFFFFF23C))
#define PB_PER (*((volatile uint32_t*)0xFFFFF400))
#define PB_OER (*((volatile uint32_t*)0xFFFFF410))
#define PB_SODR (*((volatile uint32_t*)0xFFFFF430))
#define PB_CODR (*((volatile uint32_t*)0xFFFFF434))
#define PB_PDSR (*((volatile uint32_t*)0xFFFFF43C))
#define PC_PER (*((volatile uint32_t*)0xFFFFF600))
#define PC_ODR (*((volatile uint32_t*)0xFFFFF614))
#define PC_OER (*((volatile uint32_t*)0xFFFFF610))
#define PC_SODR (*((volatile uint32_t*)0xFFFFF630))
#define PC_CODR (*((volatile uint32_t*)0xFFFFF634))
#define PC_PDSR (*((volatile uint32_t*)0xFFFFF63C))
#define PC_PUER (*((volatile uint32_t*)0xFFFFF664))
#define PMC_PCER (*((volatile uint32_t*)0xFFFFFC10))
#define PER_ID_PBIOC_TO_PIOE 4
#define DS1 (1 << 8) //PB8
#define DS2 (1 << 29) //PC29
#define BT2 (1 << 4) //PC4
#define BT1 (1 << 5) //PC5
void _exit(int c){while(1);};
void dabt_handler(){};
void pabt_handler(){};
void dbgu_print_ascii(){};;
void delay(void)
{
volatile uint64_t i;
for(i = 0; i < 100000000; i++);
}
int main(void)
{
PMC_PCER = 1 << PER_ID_PBIOC_TO_PIOE;
PA_PER = 0x23; //PIO enable register
PA_OER = 0x54; //PIO controller output enable register
PB_PER = DS1; //PIO enable register
PB_OER = DS1; //PIO controller output enable register
PC_PER = DS2 | BT1 | BT2; //PIO enable register
PC_OER = DS2; //PIO controller output enable register
PC_ODR = BT1 | BT2;
PC_PUER = BT1 | BT2;
while(true)
{
delay();
/*
PB_SODR = DS1;
PC_CODR = DS2;
delay();
PB_CODR = DS1;
PC_SODR = DS2;
delay();
*/
if(PC_PDSR & BT1)
PB_SODR = DS1;
else
PB_CODR = DS1;
if(PC_PDSR & BT2)
PC_SODR = DS2;
else
PC_CODR = DS2;
}
}