void Inita2DSub()
{ // Configure the A2D pins as analog inputs
Pins[11].function( PIN11_AN2 );
Pins[12].function( PIN12_AN1 );
Pins[13].function( PIN13_AN0 );
Pins[14].function( PIN14_AN3 );
Pins[15].function( PIN15_AN7 );
Pins[16].function( PIN16_AN6 );
Pins[17].function( PIN17_AN5 );
Pins[18].function( PIN18_AN4 );
/*
Enable the A2D. The A2D subsystem will run in the background
doing samples at 98.742Khz per channel. This is all done in
hardware with no CPU overhead.
*/
EnableAD();
}
//=====================================System Initializations========================================//
void _init (void){
int i; DWORD res = 0;
//-------------------------------------General System--------------------------------------------//
SimpleUart(0,SystemBaud);assign_stdio(0); // Serial port 0 for Data
SimpleUart(1,SystemBaud); // Serial port 1 for Debug
EnableSmartTraps();
#ifdef _DEBUG
InitGDBStubNoBreak( 1, 115200 );
#endif
OSChangePrio(MAIN_PRIO); //Other
EnableSerialUpdate();
iprintf("\n\n\n\n\n\n\n\nINITIALIZATION\n");
putleds(8);
iprintf("Version Number --> %s\n", ftos(versionNo, 3));
createVERIFY_KEY(); // Using versionNo to update Flash DDBB
//--------------------------------------I2C Bus Connection---------------------------------------//
I2CInit(MCF5213_I2C_ADDRESS, I2C_FREQUENCY); // Initialize I2C with Predefined Address (0x20)
// Set frequency division to 768 (66Mhz CF clock --> 88,25 Khz I2C bus)
iprintf(" .Initialized I2C address for MCF5213: 0x%x\r\n",MCF5213_I2C_ADDRESS);
iprintf(" -Set I2C Frequency division: %x (MCF internal CLK / 1280)\r\n",I2C_FREQUENCY);
//-------------------------------------SPI Bus Connection----------------------------------------//
res=true;
for (i = 0; i<PSU_NUMBER; i++){
res &=configureSPI( INIT_SPI_ORDER, INIT_SPI_CPOL, INIT_SPI_CPHA, INIT_SPI_CLKRATE, i2CtoSPIAddress[i]);
}
if(res==I2C_OK){iprintf(" .SPI bus configured\r\n");}
else{iprintf(" .SPI configuration ERROR - Coudn't be configured\r\n");}
//-----------------------------------RDACs with minimum value------------------------------------//
res = 0;
for (i = 0; i<PSU_NUMBER; i++){
setValRDAC(INITIAL_VOLTAGE, (i&0x1?UPPER_SLAVE_SPI_ADDRESS:LOWER_SLAVE_SPI_ADDRESS), i2CtoSPIAddress[i]);
res |= getI2CResultRDAC();
}
if(res==I2C_OK){iprintf(" .RDACs set to minimum value\r\n");}
else{iprintf(" .RDAC setting ERROR - Couldn't be set to minimum value\r\n");}
//----------------------------------------DataLists----------------------------------------------//
initializeValuesPSUsSnIs(); // Load psuList values from RAM or set them to default
for (i = 0; i<PSU_NUMBER; i++){ // Start all PSU objects in OFF status, regardless of the loaded status
psuList[i].relayStatus = OFF;
psuList[i].psuStatus = OFF;
psuList[i].ReadyToConnect = false;
}
//-------------------------------------------GPIO------------------------------------------------//
RESET_RHEOSTATS.function( PIN21_GPIO ); // RDAC Reset
LED_OUT_ON.function( PIN7_GPIO ); // LED OUT
iprintf(" .Pin 21 (TIN3) set as GPIO for RDAC Reset\r\n");
iprintf(" .Pin 7 (IRQ4) set as GPIO for LED OUT\r\n");
//----------------------------------Analog to Digital Converter----------------------------------//
Pins[13].function( PIN13_AN0 ); // Configure the A2D pin nº13 as analog input
EnableAD();
initMUX(); // Initializes all the Pins used for Mux control
res=configureSPI( INIT_SPI_ORDER, INIT_SPI_CPOL, INIT_SPI_CPHA, INIT_SPI_CLKRATE, AGC_I2C_ADDRESS);
minAGC(); // Initializes the AGC with minimum gain
res = (getI2CResultAGC()==I2C_OK);
if(res){iprintf(" .ADC initialized\r\n");}
else{iprintf(" .ADC initialization ERROR\r\n");}
//--------------------------------------Button Interruption--------------------------------------//
SetUpIRQ1();
iprintf(" .Button Interruption Set\r\n");
//---------------------------------------TimerInterruptions--------------------------------------//
//SetUpPITR(0, 8294, 1); //Use PITR 0, Wait 8294 clocks, Divide by 2 from table 17-3, 2KHz - NOT IN USE, messes with RTOS Tasks. Best left unused
SetUpPITR(1, 16588, 1); // Use PITR 1, Wait 16588 clocks, Divide by 2 from table 17-3, 1KHz - Interrupt in charge of A2D sampling
iprintf(" .Timers initialized\r\n");
//----------------------------------------- RTOS Tasks-------------------------------------------//
OSSimpleTaskCreate( alarmTask, ALARM_PRIO );
iprintf(" .alarmTask initialized\r\n");
iprintf(" .MonitorSem %s\n", (allSemInit()==OS_NO_ERR?"Initialized CORRECTLY":"Initialization ERROR"));
OSSimpleTaskCreate( monitorTask, MONITOR_PRIO );
iprintf(" .monitorTask initialized\r\n");
iprintf("APPLICATION INITIALIZED\n\nPress one key to begin \n\n");
WAIT_FOR_KEYBOARD
putleds(0);
}