35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#ifndef _I2C_C_
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#define _I2C_C_
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/*********************************************************************************************************************/
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#include "ca51f5_config.h"
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#include "../../../includes/ca51f5sfr.h"
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#include "../../../includes/ca51f5xsfr.h"
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#include "../../../includes/gpiodef_f5.h"
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#include "../../../includes/system.h"
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#include "../../../Library/includes/i2c.h"
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#include <intrins.h>
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/*********************************************************************************************************************/
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void I2C_init(I2CE_TypeDef i2ce,I2CIE_TypeDef i2cie,STFE_TypeDef stfe,unsigned char i2cadr,unsigned char i2ccr)
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{
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I2CCON = I2CE(i2ce) | I2CIE(i2cie) | STA(0) | STP(0)| CKHD(1) | AAK(1)| CBSE(0) | STFE(stfe);
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I2CADR = GCE(0)|(i2cadr>>1);
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I2CCR = (i2ccr>>1);
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}
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void I2C_SelectComPin(I2CIOS_TypeDef i2cios)
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{
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I2CIOS = i2cios;
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if(i2cios == I2C_SEL_P30_P31)
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{
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GPIO_Init(P30F,P30_I2C_SDA_SETTING | PU_EN);
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GPIO_Init(P31F,P31_I2C_SCL_SETTING | PU_EN);
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}
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else if(i2cios == I2C_SEL_P03_P02)
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{
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GPIO_Init(P03F,P03_I2C_SDA_SETTING | PU_EN);
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GPIO_Init(P02F,P02_I2C_SCL_SETTING | PU_EN);
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}
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}
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#endif |