调用官方DEMO里的代码出现查看板子类型失败,打开串口失败
D/PWMDemo: boardtype = -1
Open PWM device error!
代码如下:
private void playPWM()
{
int f;
f = Integer.valueOf(main_pwm_lv.getText().toString()).intValue();
int boardType = HardwareControler.getBoardType();
Log.d("PWMDemo", "boardtype = " + boardType);
if (HardwareControler.isS5P4418Board() || HardwareControler.isS5P6818Board()) {
if (HWC.PWMPlayEx(smart4418PWMGPIOPin, f) != 0) {
StringUtil.showMessage("Fail to play 1 !");
}
} else {
if (HWC.PWMPlay(f) != 0) {
StringUtil.showMessage("Fail to play 2 !");
}
}
}
求大神指点