extern void readChannels(uint8 channel_map, uint8 *data) {
I2cReset();
I2cRawCommand(i2c_cmd_send_start, TRUE, I2C_WAIT_CMD_TIMEOUT);
I2cRawWriteByte((0b0100011 << 1) | 0);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
I2cRawWriteByte(0b01110010);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
/*Channel map*/
I2cRawWriteByte((channel_map >> 4) & 0x0F);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
I2cRawWriteByte(((channel_map << 4) & 0xF0) | 0b1000);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
I2cRawCommand(i2c_cmd_send_stop, TRUE, I2C_WAIT_CMD_TIMEOUT);
/*Setup conversion register for read access*/
I2cRawCommand(i2c_cmd_send_start, TRUE, I2C_WAIT_CMD_TIMEOUT);
I2cRawWriteByte(0b01000110);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
I2cRawWriteByte(0b01110000);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
/*read*/
I2cRawCommand( i2c_cmd_send_restart, TRUE, I2C_WAIT_CMD_TIMEOUT);
I2cRawWriteByte(0b01000111);
I2cRawCommand(i2c_cmd_wait_ack, TRUE, I2C_WAIT_ACK_TIMEOUT);
I2cRawRead(&data[0], bitcount(channel_map)*2);
I2cRawCommand(i2c_cmd_send_stop, TRUE, I2C_WAIT_CMD_TIMEOUT);
I2cRawTerminate();
}
/**********************************************************************************
测试EPPROM
**********************************************************************************/
void Test_Epprom_Err(void)
{
INT8U Err;
mem_set(Temp_Buf_PUCK,0xa5,sizeof(Temp_Buf_PUCK),Temp_Buf_PUCK,sizeof(Temp_Buf_PUCK));
I2cReset();
Read_Storage_Data(0x10003,Temp_Buf_PUCK,Temp_Buf_PUCK,180,&Err);
}
/*----------------------------------------------------------------------------*
* NAME
* I2CRelease
*
* DESCRIPTION
* This function releases the I2C bus
*
* RETURNS
* Nothing
*
*----------------------------------------------------------------------------*/
extern void I2CRelease(void)
{
bus_I2C_status = i2c_bus_released;
I2cReset();
}
