[SOLVED] I2C in PCW for PIC16f877A

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vishy71

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Hi

I wanna use AT24C1024 in my project.but I can't understand what I must to do!
I am also programming with PICC PCW
I am using PIC16F877A.

can you help me please?


thanks
 

You have few several ways to solve your problem:
- Use SPI eeprom (25xxxx) 25C1024 for example
- Use software SPI
- Use software I2c
- Find a different mcu
- Forget about it
This chip can't share hardware i2c and spi at one time.
 
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Code: 
void EEPROM24_Write_Byte (char i2c_adrs, unsigned int adrs, char dat)
{
 I2C1_Start();
 I2C1_Wr(i2c_adrs&0xFE);
 I2C1_Wr((adrs&0xFF00)>>8);
 I2C1_Wr(adrs&0xFF);
 I2C1_Wr(dat);
 I2C1_Stop();
 delay_ms(EEPROM_Write_Delay_ms);
}

void EEPROM24_Read_Byte (char i2c_adrs, unsigned int adrs, char *eeprom_dat)
{
   I2C1_Start();
   I2C1_Wr(i2c_adrs&0xFE);
   I2C1_Wr((adrs&0xFF00)>>8);
   I2C1_Wr(adrs&0xFF);
   I2C1_Repeated_Start();
   I2C1_Wr(i2c_adrs|0x01);
   *eeprom_dat=I2C1_Rd(0);
   I2C1_Stop();
}
 
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