Coulometer debugging, I2C interface, host sent data to the coulometer, but the coulometer did not respond, please help to check whether the sent instructions are correct and what may be the reason, thank you.
void FuelGauge_GpioInig(void)
{
s_IoMuxSetMode(FG_SCL_GPIO, i2c1_SCL_OUT, SIG_OUTPUT, IO_NOPULL);
s_IoMuxSetMode(FG_SDA_GPIO, I2C1_SDA_IN, SIG_INPUT, IO_NOPULL);
s_IoMuxSetMode(FG_SDA_GPIO, i2c1_SDA_OUT, SIG_OUTPUT, IO_NOPULL);
//100kHz
s_I2CConfig(I2C1, 100000);
}
void FuelGauge_Test(void)
{
u8 data[3];
u8 dataBuf[2]={0};
u32 addr = 0x55;
data[0] = 0x00;
data[1] = 0x01;
s_I2CSend(I2C1, addr, data, 2);
s_I2CRecv(I2C1, addr, dataBuf, 2);
DBG_HEX("FW_VER:", dataBuf, 2);
data[0] = 0x04;//reg
data[1] = 0x05;
s_I2CSend(I2C1, addr, data, 2);
s_I2CRecv(I2C1, addr, dataBuf, 2);
DBG_HEX("Voltage:", dataBuf, 2);
}
