Other Parts Discussed in Thread: BQSTUDIO
电量计调试,I2C接口,host发送数据给电量计,电量计无应答,麻烦帮忙看一下发送的指令是否正确,可能会是什么原因,谢谢。
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);
}