/******************************************************************************
* Function: void InitPowerTrain(void)
*
* Overview: Initializes power train.
*
* PreCondition: USB power is on
*
* Input: None
*
* Output: None
*
* Side Effects: None
*
* Note: None
*****************************************************************************/
void InitPowerTrain(void)
{
memset(&gPowerInfo, 0, sizeof(gPowerInfo));
pin_LVP = 0;
pin_LVP_EN = 0;
tris_LVP = OUTPUT;
tris_LVP_EN = OUTPUT;
// Set timer 3 for PWMs (Vdd and Vpp)
// See comments on the definition of MAX_VALUE_PERIOD_FOR_PWM_TIMER
T3CON = 0;
PR3 = MAX_VALUE_PERIOD_FOR_PWM_TIMER;
T3CONbits.TON = 1;
// Calibrate analog to digital converter.
CalibrateADC();
// Setup Analog to Digital converter to read Vdd and Vpp
SetupADCToReadVddAndVpp();
gPowerInfo.Flag.TargetPowered = TRUE;
gPowerInfo.CurPwrMode = NO_PWR_MODE;
TurnVPP(OFF);
SetVdd(DEFAULT_VDD);
SetVpp(DEFAULT_VPP);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f072xb.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
PLL is set to x12 with a PREDIV /2 so the system clock SYSCLK = 48MHz
*/
ConfigureGPIO();
SetClockForADC();
CalibrateADC();
ConfigureGPIOforADC();
EnableADC();
ConfigureADC();
ConfigureDMA();
ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversions */
GPIOC->BSRR = (1<<9); /* switch on the green led */
__WFI(); /* No interrupt should occur, as only error could trigger an interrupt */
GPIOC->BRR = (1<<9); /* switch off the green led */
DisableADC();
SysTick_Config(48000); /* 1ms config */
while (1) /* Infinite loop */
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f072xb.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
PLL is set to x12 with a PREDIV /2 so the system clock SYSCLK = 48MHz
*/
ConfigureGPIO();
ConfigureExternalIT();
RCC->APB2ENR = RCC_APB2ENR_ADC1EN; /* Enable the peripheral clock of the ADC */
RCC->CFGR |= RCC_CFGR_PPRE_2; /* Set peripheral prescaler to /2 so PCLK = HCLK/2 = 24MHz */
CalibrateADC();
EnableADC();
ConfigureADC();
ConfigureDMA();
ADC1->CR |= ADC_CR_ADSTART; /* Start the ADC conversions */
while (error < ERROR_UNEXPECTED_DMA_IT) /* loop till no unrecoverable error */
{
__WFI();
}
DisableADC();
SysTick_Config(48000); /* 1ms config */
while (1) /* Infinite loop */
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f072xb.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
PLL is set to x12 with a PREDIV /2 so the system clock SYSCLK = 48MHz
*/
ConfigureGPIO();
ConfigureExternalIT();
SetClockForADC();
CalibrateADC();
ConfigureGPIOforADC();
EnableADC();
ConfigureADC();
CurrentChannel = 0; /* Initializes the CurrentChannel */
ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversions */
while (error == 0) /* loop till no unrecoverable error, should never be exited */
{
__WFI();
}
DisableADC();
SysTick_Config(48000); /* 1ms config */
while (1) /* Infinite loop */
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f072xb.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
PLL is set to x12 with a PREDIV /2 so the system clock SYSCLK = 48MHz
*/
/* defines the upper limit 15% above the factory value
the value is adapted according to the application power supply
versus the factory calibration power supply */
uint16_t vrefint_high = (*VREFINT_CAL_ADDR)* VDD_CALIB / VDD_APPLI * 115 / 100;
/* defines the lower limit 15% below the factory value
the value is adapted according to the application power supply
versus the factory calibration power supply */
uint16_t vrefint_low = (*VREFINT_CAL_ADDR) * VDD_CALIB / VDD_APPLI * 85 / 100;
ConfigureGPIO();
SetClockForADC();
CalibrateADC();
EnableADC();
ConfigureADC();
ConfigureTIM15();
ADC1->CR |= ADC_CR_ADSTART; /* start the ADC conversion */
while (error == 0) /* Loop till the measure is in the range */
{
while ((ADC1->ISR & ADC_ISR_EOC) == 0); /* wait end of conversion */
if ((ADC1->DR > vrefint_high) && (ADC1->DR > vrefint_low))
{
error |= WARNING_MEASURE; /* report a warning, the measure being out of range due to VDD shift */
}
GPIOC->ODR ^= (1<<9); /* Toggle green led on PC9 */
}
DisableADC();
SysTick_Config(48000); /* 1ms config */
while(1)
{
}
}
void main()
{
WDTCTL = WDTPW + WDTHOLD; //Stop Watchdog Timer
CSCTL0_H = 0xA5;
CSCTL1 |= DCOFSEL0 + DCOFSEL1; //set max. DCO setting.. 8Mhz
CSCTL2 = SELA_3 + SELS_3 + SELM_3; //set ACLK = MCLK = DCO
CSCTL3 = DIVA_0 + DIVS_0 + DIVM_0; //set all dividers
P1DIR |= BIT0;
P1SEL0 |= BIT0;
TA0CCR0 = 207; //timer count value 207 for 38 kHz carrier.
TA0CCR1 = 69; //25% duty cycle for the 38 kHz carrier.
//TA0CCTL1 = OUTMOD_7;
TA0CCTL0 = 0x10;
TA0CTL = TASSEL_1 + MC_1;
LEDonboardInit(0);
AccelInit(); //Setup the accelerometer pins.
SetupAccel(); //Setup the ADC and Accel. ADC can only convert one axis at a time.
CalibrateADC(); //Find zero points of all 3 axis.
ADC10CTL0 |= ADC10ENC | ADC10SC; //Start the first sample. If this is not done the ADC10 interupt will not trigger.
__enable_interrupt();
while(1)
{
TA0CTL |= MC_1;
ADC10IE &= ~ADC10IE0;
LED_off_all();
if (ADCResult_X < CalValue_X - 60 && ADCResult_Y > CalValue_Y - 60 && ADCResult_Y < CalValue_Y + 60)
{
LED_off_all();
LED_on(8);
transmit_command(0x04, 0x01);
}
else if(ADCResult_X > CalValue_X + 60 && ADCResult_Y > CalValue_Y - 60 && ADCResult_Y < CalValue_Y + 60)
{LED_off_all();
LED_on(7);
transmit_command(0x04, 0x00);
}
else if(ADCResult_Y < CalValue_Y - 60 && ADCResult_X > CalValue_X - 60 && ADCResult_X < CalValue_X + 60)
{
LED_off_all();
LED_on(2);
transmit_command(0x04, 0x03);
}
else if (ADCResult_Y > CalValue_Y + 60 && ADCResult_X > CalValue_X - 60 && ADCResult_X < CalValue_X + 60)
{
LED_off_all();
LED_on(1);
transmit_command(0x04, 0x02);
}
TA0CTL = TASSEL_1 + MC_0; //timer off
TA0CCTL1 = OUTMOD_0; //avoid constant high
//__delay_cycles(500000);
ADC10IE |= ADC10IE0;
//ADC10IE &= ~ADC10IE0;
}
/*
while(1)
{
transmit_command(0x04, 0x00);
}
*/
}
void Mode4(void)
{
// One time initialization of header and footer transmit package
TX_Buffer[0] = 0xFA;
TX_Buffer[6] = 0xFE;
// variable initialization
ADCTemp = 0;
temp = 0;
WriteCounter = 0;
active = 1;
ULPBreakSync = 0;
counter = 0;
// One time setup and calibration
SetupThermistor();
CalValue = CalibrateADC();
while((mode == TEMP_MEAS) && (UserInput == 0))
{
// Take 1 ADC Sample
TakeADCMeas();
if (ADCResult >= CalValue)
{
temp = DOWN;
ADCTemp = ADCResult - CalValue;
}
else
{
temp = UP;
ADCTemp = CalValue - ADCResult;
}
if((ULP==1) && (UserInput == 0))
{
// P3.4- P3.7 are set as output, low
P3OUT &= ~(BIT4 + BIT5 + BIT6 + BIT7);
P3DIR |= BIT4 + BIT5 + BIT6 + BIT7;
// PJ.0,1,2,3 are set as output, low
PJOUT &= ~(BIT0 + BIT1 + BIT2 + BIT3);
PJDIR |= BIT0 + BIT1 + BIT2 + BIT3;
// Transmit break packet for GUI freeze
if(!(ULPBreakSync))
{
TXBreak(mode);
ULPBreakSync++;
}
}
if((ULP==0) && (UserInput == 0))
{
ULPBreakSync = 0;
WriteCounter++;
if(WriteCounter > 300)
{
LEDSequence(ADCTemp,temp);
// Every 300 samples
// Transmit 7 Bytes
// Prepare mode-specific data
// Standard header and footer
WriteCounter = 0;
TX_Buffer[1] = 0x04;
TX_Buffer[2] = counter;
TX_Buffer[3] = 0x00;
TX_Buffer[4] = 0x00;
TX_Buffer[5] = 0x00;
TXData();
}
}
}
// turn off Thermistor bridge for low power
ShutDownTherm();
}
