#include <stdio.h>
#include <fat32.h>
#include <gpio.h>
#include <uart.h>
#include <stm32f4xx.h>
#include <bsp.h>
#include <i2c.h>


extern streamdevice* __opnfiles__[];

int main()
{
    //gpioset(PSU_DISABLE);
    printf("i2C Control register 1 (I2C_CR1) = %x\n\r",I2C1->CR1);
    printf("i2C Control register 2 (I2C_CR2) = %x\n\r",I2C1->CR2);
    printf("i2C Status register 1 (I2C_SR1) = %x\n\r",I2C1->SR1);
    printf("i2C Status register 2 (I2C_SR2) = %x\n\r",I2C1->SR2);
    printf("i2C Clock control register (I2C_CCR) = %x\n\r",I2C1->CCR);
    while(1)
    {
        for(volatile int i=0;i<1024*2048;i++);
        gpioset(LED1);
        gpioclr(LED2);
        for(volatile int i=0;i<1024*2048;i++);
        gpioclr(LED1);
        gpioset(LED2);
        i2cwrite(i2c1,0x4a,"test",4);
    }
    printf("hello world\n\r");
    return 0;
}