int main(void)
{
// Configure the device for maximum performance but do not change the PBDIV
// Given the options, this function will change the flash wait states, RAM
// wait state and enable prefetch cache but will not change the PBDIV.
// The PBDIV value is already set via the pragma FPBDIV option above..
SYSTEMConfig(SYS_FREQ, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);
// Auto-configure the PIC32 for optimum performance at the specified operating frequency.
SYSTEMConfigPerformance(SYS_FREQ);
// osc source, PLL multipler value, PLL postscaler , RC divisor
OSCConfig(OSC_POSC_PLL, OSC_PLL_MULT_20, OSC_PLL_POST_1, OSC_FRC_POST_1);
// Configure the PB bus to run at 1/4 the CPU frequency
OSCSetPBDIV(OSC_PB_DIV_4);
// Enable multi-vector interrupts
INTEnableSystemMultiVectoredInt();
// Set up the UART peripheral so we can send serial data.
UARTConfigure(UART_USED, UART_ENABLE_PINS_TX_RX_ONLY);
UARTSetFifoMode(UART_USED, UART_INTERRUPT_ON_TX_NOT_FULL | UART_INTERRUPT_ON_RX_NOT_EMPTY);
UARTSetLineControl(UART_USED, UART_DATA_SIZE_8_BITS | UART_PARITY_NONE | UART_STOP_BITS_1);
UARTSetDataRate(UART_USED, F_PB, UART_BAUD_RATE);
UARTEnable(UART_USED, UART_ENABLE | UART_TX);
// And configure printf/scanf to use the correct UART.
if (UART_USED == UART1) {
__XC_UART = 1;
}
extern void T1Setup();
extern void T1Stop();
extern void T1Start();
// Enable LED outputs 0-7 by setting TRISE register
TRISECLR = 0x00FF;
// Initialize the PORTE to 0
PORTECLR = 0x00FF;
// Set the lowest bit
PORTESET = 1;
OledInit();
OledDisplayOn();
printf("Starting Timer Set-up\n");
T1Setup();
int stopped = 0, reset = 0;
extern volatile int milliseconds;
int temp = 0;
int count = 0;
printTime(0, 0);
while(1) {
// Display the least significant part of the time for debugging
int x = PORTD & 0xfff;
if(x == 272) {
if(stopped) {
stopped = 0;
T1Start();
}
if(reset)
reset = 0;
if(milliseconds - temp >= 1000) {
count++;
int minutes = count/60;
int seconds = count % 60;
printTime(minutes,seconds);
temp = milliseconds;
}
}
else if(x == 784 || x == 528) {
if(reset != 1) {
printTime(0, 0);
T1Stop();
stopped = 1;
reset = 1;
count = 0;
}
}
else {
stopped = 1;
continue;
}
}
}
void IOShieldOledClass::displayOn()
{
OledDisplayOn();
}
