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moyuhai
2026-06-12 09:12:35 +08:00
commit 02f1638ef2
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Library/Sources/i2c.c
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#ifndef _I2C_C_
#define _I2C_C_
/*********************************************************************************************************************/
#include "ca51f5_config.h"
#include "../../../includes/ca51f5sfr.h"
#include "../../../includes/ca51f5xsfr.h"
#include "../../../includes/gpiodef_f5.h"
#include "../../../includes/system.h"
#include "../../../Library/includes/i2c.h"
#include <intrins.h>
/*********************************************************************************************************************/
void I2C_init(I2CE_TypeDef i2ce,I2CIE_TypeDef i2cie,STFE_TypeDef stfe,unsigned char i2cadr,unsigned char i2ccr)
{
I2CCON = I2CE(i2ce) | I2CIE(i2cie) | STA(0) | STP(0)| CKHD(1) | AAK(1)| CBSE(0) | STFE(stfe);
I2CADR = GCE(0)|(i2cadr>>1);
I2CCR = (i2ccr>>1);
}
void I2C_SelectComPin(I2CIOS_TypeDef i2cios)
{
I2CIOS = i2cios;
if(i2cios == I2C_SEL_P30_P31)
{
GPIO_Init(P30F,P30_I2C_SDA_SETTING | PU_EN);
GPIO_Init(P31F,P31_I2C_SCL_SETTING | PU_EN);
}
else if(i2cios == I2C_SEL_P03_P02)
{
GPIO_Init(P03F,P03_I2C_SDA_SETTING | PU_EN);
GPIO_Init(P02F,P02_I2C_SCL_SETTING | PU_EN);
}
}
#endif