// auxIo, see MUX3 Register (Offset = 3h) [reset = X]
// auxIo, sensor controller engine IO, will map to M3's IO automatilcally
// for DIO23, auxIO7, the value should be 80h, 0x80
uint16_t OneShotADC(uint8_t auxIo)
{
static __root uint16_t retval = 0xABBA;
// Enable clock for ADC digital and analog interface (not currently enabled in driver)
AUXWUCClockEnable(AUX_WUC_MODCLKEN0_ANAIF_M|AUX_WUC_MODCLKEN0_AUX_ADI4_M);
// Connect AUX IO7 (DIO23) as analog input. Light sensor on SmartRF06EB
AUXADCSelectInput(auxIo);
// Set up ADC
AUXADCEnableSync(AUXADC_REF_FIXED, AUXADC_SAMPLE_TIME_2P7_US, AUXADC_TRIGGER_MANUAL);
// Disallow STANDBY mode while using the ADC.
Power_setConstraint(Power_SB_DISALLOW);
// Trigger ADC sampling
AUXADCGenManualTrigger();
retval = AUXADCReadFifo();
// Disable ADC
AUXADCDisable();
// Allow STANDBY mode again
Power_releaseConstraint(Power_SB_DISALLOW);
return retval;
}
//*****************************************************************************
//
// Enable System CPU access to the OSC_DIG module
//
//*****************************************************************************
void
OSCInterfaceEnable(void)
{
//
// Force power on AUX to ensure CPU has access
//
AONWUCAuxWakeupEvent(AONWUC_AUX_WAKEUP);
while(!(AONWUCPowerStatusGet() & AONWUC_AUX_POWER_ON))
{ }
//
// Enable the AUX domain OSC clock and wait for it to be ready
//
AUXWUCClockEnable(AUX_WUC_OSCCTRL_CLOCK);
while(AUXWUCClockStatus(AUX_WUC_OSCCTRL_CLOCK) != AUX_WUC_CLOCK_READY)
{ }
}
/*
* ======== SENSORTAG_CC2650_initGeneral ========
*/
Void SENSORTAG_CC2650_initGeneral(Void)
{
/* force power on AUX - this will be released when entering sleep mode */
AONWUCAuxWakeupEvent(AONWUC_AUX_WAKEUP);
/* enable the AUX oscillator clock */
AUXWUCClockEnable(AUX_WUC_OSCCTRL_CLOCK);
while(AUXWUCClockStatus(AUX_WUC_OSCCTRL_CLOCK) != AUX_WUC_CLOCK_READY)
{ }
/* This application will not be using the AUX domain out of boot
* and we will leave out clock for optimal power conservation */
AONWUCAuxPowerDownConfig(AONWUC_NO_CLOCK);
/*
* Source the LF clock from the low frequency XTAL_OSC.
* HF and MF are sourced from the high frequency RC_OSC.
*/
OSCClockSourceSet(OSC_SRC_CLK_LF, OSC_XOSC_LF);
OSCClockSourceSet(OSC_SRC_CLK_MF | OSC_SRC_CLK_HF, OSC_RCOSC_HF);
/*
* Check if already sourcing the HF clock from RC_OSC.
* If a switch of the clock source is not required, then the call to ROM
* will loop forever.
*/
if(OSCClockSourceGet(OSC_SRC_CLK_HF) != OSC_RCOSC_HF)
{
OSCHfSourceSwitch();
}
/* enable DCDC */
PowerCtrlSourceSet(PWRCTRL_PWRSRC_DCDC);
/* make sure AON accesses are in sync and enable powerdown on AUX */
SysCtrlAonSync();
AUXWUCPowerCtrl(AUX_WUC_POWER_DOWN);
}
//taskFxn
void taskFxn(UArg a0, UArg a1) {
Hwi_Params hwiParams;
Hwi_Params_init(&hwiParams);
hwiParams.enableInt = true;
Hwi_construct(&hwi, INT_AUX_ADC, adcIsr, &hwiParams, NULL);
UART_Params uParams;
// Initialize default values
UART_Params_init(&uParams);
// Configure custom data, don't care about read params as not used
// 115.2kBaud, Text, blocking mode
uHandle = UART_open(Board_UART,&uParams);
// Set up pins
pinHandle = PIN_open(&pinState, alsPins);
// Enable clock for ADC digital and analog interface (not currently enabled in driver)
AUXWUCClockEnable(AUX_WUC_MODCLKEN0_SOC_M|AUX_WUC_MODCLKEN0_AUX_ADI4_M);
// Connect AUX IO7 (DIO23) as analog input. Light sensor on SmartRF06EB
AUXADCSelectInput(ADC_COMPB_IN_AUXIO7);
// Set up ADC
AUXADCEnableSync(AUXADC_REF_FIXED, AUXADC_SAMPLE_TIME_2P7_US, AUXADC_TRIGGER_MANUAL);
// Disallow STANDBY mode while using the ADC.
Power_setConstraint(Power_SB_DISALLOW);
while(1) {
//Sleep 100ms in IDLE mode
//Task_sleep(100 * 1000 / Clock_tickPeriod);
// Trigger ADC sampling
AUXADCGenManualTrigger();
// Wait in IDLE until done
Semaphore_pend(hSem, BIOS_WAIT_FOREVER );
//System_printf("ADC: %d\r\n", singleSample);
//printf ("ADC: %d\r\n");
//printf ("ADC\r\n");
}
/*
// Disable ADC
AUXADCDisable();
// Allow STANDBY mode again
Power_releaseConstraint(Power_SB_DISALLOW);
// Restore pins to values in BoardGpioTable
PIN_close(pinHandle);
// Log data through UART
UART_write(uHandle, &adcSamples[1], SAMPLESIZE);
// Goto STANDBY forever
Task_sleep(BIOS_WAIT_FOREVER);
*/
}
