/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
uint16_t bytesAvailable, currentByte;
CDC_Device_CreateStream(&tpad_CDC_Interface, &USBSerialStream);
sei();
for (;;)
{
//
// Read pressures from 16 buttons
//
ButtonStates();
//
// Handle incoming bytes
//
bytesAvailable = CDC_Device_BytesReceived(&tpad_CDC_Interface);
while (bytesAvailable--) {
currentByte = CDC_Device_ReceiveByte(&tpad_CDC_Interface);
// TODO: implement led updates from host
}
CDC_Device_USBTask(&tpad_CDC_Interface);
USB_USBTask();
}
}
void main(void)
{
// Initialize Pull Up/Down ressistors
//Port_0_Data_SHADE = 0x80; // Enable distance input pull-up P0.7
//PRT0DR = Port_0_Data_SHADE;
Port_2_Data_SHADE = 0x04; // Enable pull-down resistor on LED P2.2
PRT2DR = Port_2_Data_SHADE;
Port_3_Data_SHADE = 0x20; // Enable pull-up on button bit P3.5
PRT3DR = Port_3_Data_SHADE;
Port_4_Data_SHADE = 0x44; // Enable pull-down LED P4.2, P4.6
PRT4DR = Port_4_Data_SHADE;
Timer8_WritePeriod(50); // 12MHz/15/16/50 = 1KHz => 1ms main timer interrupt
Timer8_WriteCompareValue(0);
Timer8_EnableInt();
Timer8_Start();
PRS8_WritePolynomial(0x78); // load the PRS polynomial
PRS8_WriteSeed(0xFF); // load the PRS seed
PRS8_Start(); // start the PRS8
RED_Start();
GREEN_Start();
BLUE_Start();
PWM8_WritePeriod(100); // set period to eight clocks
PWM8_WritePulseWidth(0); // set pulse width to generate a % duty cycle
PWM8_EnableInt(); // ensure interrupt is enabled
PWM8_Start(); // start PWM
//DAC_CR &= ~0x80; // turn off SplitMUX bit 7 (P0[7] on right, others on left)
PGA_Start(PGA_HIGHPOWER); // Start PGA
ADCINC_Start(ADCINC_HIGHPOWER); // Start ADC
ADCINC_GetSamples(1); // initiate the first sample
M8C_EnableGInt; // Global interrupt enable
ReadFlash(); // read on/off times and LED dutycyle from FLASH
if(!(RamFlashBlock.Dummy == 0x55))
{
SetFlashDefaults(); // clear flash first time
}
LedPowerTog = 1; // flag change
LedPower = RamFlashBlock.PowerState;
RedDutyMax = RamFlashBlock.RedDuty;
BlueDutyMax = RamFlashBlock.BlueDuty;
GreenDutyMax = RamFlashBlock.GreenDuty;
the_state = RamFlashBlock.the_state;
ledChangeRate = RamFlashBlock.ledChangeRate;
Events.press = 0;
Events.hold = 0;
Events.release = 0;
MenuFsm(&Events, &the_state); // initlaize the state machine
USB_Start(0, USB_3V_OPERATION); // Start USB
//while (!USB_bGetConfiguration()); // Wait to be enumerated
USB_INT_REG |= USB_INT_SOF_MASK;
USB_EnableOutEP(1); // Post a buffer to wait for a command
while(1) // cycle the puck here
{
MeasureTemperature(); // sample input temperature sensor voltage
ThermalProtection(); // decrease LED power if temperature rises above limit
ButtonStates(); // button driver
CommunicateUSB(); // USB driver
LedStates(); // LED Cadence state machine
DelayedSaveFlash(); // Save power state and RGB dutycycle 10 seconds after last button event
}
}
