/*
* initialize hardware
* e.g. timer for millis/micros/pulseIn
* For Arduino & mbed, no need to call this.
* Within Seeed firmware of Mesh Bee, we have called this at a proper place.
*/
void suli_init(void)
{
//init timer0 for millis/micros
vAHI_TimerDIOControl(E_AHI_TIMER_0, FALSE);
vAHI_TimerEnable(E_AHI_TIMER_0, 4, FALSE, TRUE, FALSE); //1us/tick, period interrupt, no-output
vAHI_TimerStartRepeat(E_AHI_TIMER_0, 30000, 60000); //60ms/repeat
}
/****************************************************************************
*
* NAME: LAMP_vSetLevel
*
* DESCRIPTION: Updates the PWM outputs
*
*
* PARAMETERS: Name RW Usage
* u8Level R Light level 0-LAMP_LEVEL_MAX
*
* RETURNS:
* void
*
****************************************************************************/
PUBLIC void DriverBulb_vSetLevel(uint8 u8Level)
{
uint32 u32DimmerPWM;
u32DimmerPWM = au8Correction[(u8Level >> 1)];
u32DimmerPWM = (PWM_COUNT*u32DimmerPWM) / LAMP_LEVEL_MAX;
vAHI_TimerStartRepeat(LAMP_TIMER, (PWM_COUNT-u32DimmerPWM), PWM_COUNT );
gu16PwmLastValue = PWM_COUNT-u32DimmerPWM;
}
/****************************************************************************
*
* NAME: LAMP_vInit
*
* DESCRIPTION: Initialises the lamp drive system
*
* PARAMETERS: Name RW Usage
*
*
* RETURNS:
* void
*
****************************************************************************/
PUBLIC void DriverBulb_vInit(void)
{
bool_t bLampTimerInt = FALSE;
static bool_t bInit = FALSE;
if (bInit == FALSE)
{
/* Configure DIO pins */
vAHI_DioSetDirection(0, (LAMP_ON_OFF_MASK | (1 <<LAMP_BLEEDER_PIN)));
/* Turn CFL lamp off */
vAHI_DioSetOutput(0, LAMP_ON_OFF_MASK);
/* Mimic PWM to led ? */
#if (LAMP_LED_PIN < 21)
{
/* Configure as output */
vAHI_DioSetDirection(0, (1 << LAMP_LED_PIN));
/* Turn CFL lamp off */
vAHI_DioSetOutput(0, (1 << LAMP_LED_PIN)/*, 0*/);
/* Register interrupt callback */
vAHI_Timer0RegisterCallback(vCbTimer0);
/* Note we want to generate interrupts */
bLampTimerInt = TRUE;
}
#endif
/* Configure timer 0 to generate a PWM output on its output pin */
vAHI_TimerEnable(LAMP_TIMER, LAMP_TIMER_PRESCALE, bLampTimerInt, bLampTimerInt, TRUE);
vAHI_TimerConfigureOutputs(LAMP_TIMER, FALSE, TRUE);
vAHI_TimerClockSelect(LAMP_TIMER, FALSE, TRUE);
/* turn on lamp - this is the default state */
vAHI_DioSetOutput((1 << LAMP_BLEEDER_PIN),0);
vAHI_DioSetOutput(LAMP_ON_OFF_MASK,0);
vAHI_ApConfigure(E_AHI_AP_REGULATOR_ENABLE,
E_AHI_AP_INT_DISABLE,
E_AHI_AP_SAMPLE_8,
E_AHI_AP_CLOCKDIV_500KHZ,
E_AHI_AP_INTREF);
while (!bAHI_APRegulatorEnabled()); /* spin on reg not enabled */
vAHI_AdcEnable(E_AHI_ADC_SINGLE_SHOT, E_AHI_AP_INPUT_RANGE_2, ADC_USED);
do
{
vAHI_AdcStartSample();
while(bAHI_AdcPoll());
gu32BusVoltage = ((uint32)u16AHI_AdcRead()*VBUS_MAXIMUM) >> ADC_BITS;
} while (gu32BusVoltage< VBUS_TRIP_LO);
vAHI_AdcDisable();
vAHI_ApConfigure(E_AHI_AP_REGULATOR_DISABLE,
E_AHI_AP_INT_DISABLE,
E_AHI_AP_SAMPLE_8,
E_AHI_AP_CLOCKDIV_500KHZ,
E_AHI_AP_INTREF);
vAHI_TimerStartRepeat(LAMP_TIMER, PWM_COUNT, PWM_COUNT );
bInit = TRUE;
bIsOn = TRUE;
}
