WorkFiles/YC11xx_SmartLight/ModuleDemo/IIC_Eeprom/User/main.c

#include <stdarg.h>
#include "yc11xx.h"
#include "ycdef.h"
#include "yc11xx_uart.h"
#include "yc11xx_gpio.h"
#include "iic.h"
#include "systick.h"
void LED_Run(void)
{
	static uint32_t times = 0;
	times++;

	if(times>0x50000)
	{
		times = 0;
		GPIO_CONFIG(2) = (GPIO_CONFIG(2)==GPCFG_OUTPUT_HIGH)? GPCFG_OUTPUT_LOW: GPCFG_OUTPUT_HIGH;
	} 
}

#define IIC_SCL_GPIO_NUM 25
#define IIC_SDA_GPIO_NUM 6 	
#define I2CBUFSIZE 256

void debug_print(uint32_t data)
{
	 USART_SendData(UARTB,(data>>24) & 0xff);
	 USART_SendData(UARTB,(data>>16) & 0xff);
	 USART_SendData(UARTB,(data>>8 ) & 0xff);
	 USART_SendData(UARTB,(data>>0 ) & 0xff);
}
/**
  *@brief IIC(AT24C02)Write the specified amount of data at the specified location
  *@param Device address
  *@param addr
  *@param len
  *@param data
  *@return None
  */
//void AT24C02_WriteData(uint8_t devaddr,uint8_t addr,uint8_t Len,uint8_t *p)
//{
//	uint8_t Page_remain = 8 - addr%8;
//	if(Page_remain >= Len)
//	{
//		Page_remain = Len;
//	}
//	while(1)
//	{
//		I2C_SendDataFromBuff(devaddr,addr,p,Len);
//		if(Page_remain == Len) break;
//		addr+=Page_remain;
//		p+=Page_remain;
//		Len-=Page_remain;
//		if(Len>=8) Page_remain =8;
//		else Page_remain=Len;
//	}
//}
///**
//  *@brief IIC(AT24C02)read and write test
//  *@param None.
//  *@return normal return 1 ,fild return 0
//  */
//void I2c_Test()
//{
//#define SEND_BUFF_SIZE		4		
//#define RECV_BUFF_SIZE		4
//#define DEV_ADDR_EEPROM	0x50
//#define REG_ADDR_EEPROM	0x02
//#define I2C_Txlen_SIZE			4	
//#define I2C_Rxlen_SIZE			4	
//	
//	I2C_InitTypeDef mem_test;	
//	mem_test.I2C_RXLen = 64;	
//	mem_test.I2C_TXLen = 64;
//	mem_test.I2C_ClockSpeed = IICD_CLOCKSPEED400KHZ ;
//	I2C_Init(&mem_test);
//	printf ("iic init \n");

//	GPIO_SetGpioMultFunction(IIC_SCL_GPIO_NUM,  GPCFG_IIC_SCL);		//set gpio function to iic scl
//	GPIO_SetGpioMultFunction(IIC_SDA_GPIO_NUM, GPCFG_IIC_SDA );		//setbuf gpio function to iic sda
//	GPIO_SetGpioMultFunction(29,0);
//	GPIO_SetGpioMultFunction(30,0);
//	uint8_t Data = 0;
//	uint8_t send_buff[SEND_BUFF_SIZE]={Data++, Data++, Data++, Data++};
//	uint8_t recv_buff[RECV_BUFF_SIZE];
//	uint32_t DevAddr = DEV_ADDR_EEPROM;
//	uint32_t RegAddr = REG_ADDR_EEPROM;	
//	uint16_t TxLen = I2C_Txlen_SIZE;
//	uint8_t* TxBuff = send_buff;
//	uint16_t RxLen = I2C_Rxlen_SIZE;
//	uint8_t* RxBuff = recv_buff;
//	printf ("init data\n");

//	while(1){
//		
//		uint32_t i,RxData=0;	
//#if 0		
//		I2C_SendData(DevAddr, I2C_REGADDR16BITS(RegAddr), Data);
//		printf("Data = 0x%02x\n",Data);
//		Data ++;
//		delay_ms(500);
//		
//		RxData = I2C_ReceiveData( DevAddr, I2C_REGADDR16BITS(RegAddr));
//		printf("RxData = 0x%02x\n",RxData);
//		delay_ms(500);
//		
//		I2C_SendDataFromBuff(DevAddr, I2C_REGADDR16BITS(RegAddr), TxBuff, TxLen);
//		
//		for(i=0;i<4;i++)printf("TxBuff[%d] = 0x%02x ,",i,TxBuff[i]);
//		printf("\n");
//		delay_ms(500);
//		
//		I2C_ReadDatatoBuff( DevAddr, I2C_REGADDR16BITS(RegAddr),  RxBuff,  RxLen);
//		for(i=0;i<4;i++)printf("RxBuff[%d] = 0x%02x ,",i,RxBuff[i]);
//		printf("\n");
//		delay_ms(500);
//#else
//		I2C_SendData(DevAddr, I2C_REGADDR8BITS(RegAddr), Data);
//		printf("Data = 0x%02x\n",Data);
//		Data ++;
//		delay_ms(1);
//		
//		RxData=I2C_ReceiveData( DevAddr, I2C_REGADDR8BITS(RegAddr));		
//		printf("RxData = 0x%02x\n",RxData);
//		delay_ms(50);
//		
//		I2C_SendDataFromBuff(DevAddr, I2C_REGADDR8BITS(RegAddr), TxBuff, TxLen);
//		for(i=0;i<4;i++)printf("TxBuff[%d] = 0x%02x ,",i,TxBuff[i]);
//		printf("\n");
//		delay_ms(500);
//		
//		I2C_ReadDatatoBuff( DevAddr, I2C_REGADDR8BITS(RegAddr),  RxBuff,  RxLen);
//		for(i=0;i<4;i++)printf("RxBuff[%d] = 0x%02x ,",i,RxBuff[i]);
//		printf("\n");
//		delay_ms(500);
//#endif
//	}
//	printf("welcome\n");
//}

int main(void)
{
//	GPIO_CONFIG(20)= GPCFG_JTAG_SWCLK;
//	GPIO_CONFIG(21)= GPCFG_JTAG_SWDAT;
	systick_init();
	UartxInit(UARTB); 	//print log 
	delay_ms(1000);
	printf("\r\n *******This is IIC TEST********\n");
//	I2c_Test();
	//0xa0 eeprom device and write, 
	//0x00 eeprom addr
	//'a'  data
	uint8_t src_w[10]={0xa0,0x00,'a','b','c','d','e','f','g','h'};
	//0xa0 eeprom device and write, 
	//0x00 eeprom addr;
	//0xa1 eeprom device and read;
	uint8_t src_r[3]={0xa0,0x00,0xa1};
	uint8_t data[9]={"None"};
	data[8]='\0';
	
	IIC_SendData(src_w,10);
	printf("Initial dest: %s\n", data);
//	delay_ms(75);
	IIC_ReceiveData(src_r,3,data,8);
	printf("End dest:%s\n", data);
	while(1)
	{
		
	}	
}