at24c32_stc8h3k.c File Reference

#include "fw_hal.h"

Go to the source code of this file.

Macros
#define	AT24C_ADDR   0xA0

Functions
void	I2C_Init (void)
void	GPIO_Init (void)
int	main (void)

Variables
__CODE int8_t	dat [20] = {0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB}

Macro Definition Documentation

AT24C_ADDR

#define AT24C_ADDR   0xA0

Definition at line 28 of file at24c32_stc8h3k.c.

Function Documentation

GPIO_Init()

void GPIO_Init

(

void

)

Definition at line 46 of file at24c32_stc8h3k.c.

{
    // SDA
    GPIO_P3_SetMode(GPIO_Pin_3, GPIO_Mode_InOut_QBD);
    // SCL
    GPIO_P3_SetMode(GPIO_Pin_2, GPIO_Mode_Output_PP);
}

I2C_Init()

void I2C_Init

(

void

)

I2C clock = FOSC / 2 / (prescaler * 2 + 4)

Definition at line 32 of file at24c32_stc8h3k.c.

{
    // Master mode
    I2C_SetWorkMode(I2C_WorkMode_Master);
    I2C_SetClockPrescaler(0x3F);
    // Switch alternative port
    I2C_SetPort(I2C_AlterPort_P32_P33);
    // Start I2C
    I2C_SetEnabled(HAL_State_ON);
}

main()

int main

(

void

)

Definition at line 54 of file at24c32_stc8h3k.c.

{
    uint8_t offset, i, buf[20];
 
    SYS_SetClock();
    // UART1 configuration: baud 115200 with Timer2, 1T mode, no interrupt
    UART1_Config8bitUart(UART1_BaudSource_Timer2, HAL_State_ON, 115200);
 
    GPIO_Init();
    I2C_Init();
    I2C_Write16BitAddr(AT24C_ADDR, 0x0000, dat, 12);
 
    while(1)
    {
        for (offset = 0; offset < 4; offset++)
        {
            I2C_Read16BitAddr(AT24C_ADDR, 0x0000|offset, buf, 6);
            for (i = 0; i < 6; i++)
            {
                UART1_TxHex(buf[i]);
                UART1_TxChar(':');
            }
            UART1_TxString("  ");
            SYS_Delay(10);
        }
        UART1_TxString("\r\n");
        SYS_Delay(1000);
    }
}

Variable Documentation

dat

__CODE int8_t dat[20] = {0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB}

Definition at line 30 of file at24c32_stc8h3k.c.