void MyWIFI_Init(void) {
// Configure Pins for MRF24J40MB
mPORTESetBits(RST_WIFI);
mPORTESetPinsDigitalOut(RST_WIFI);
mPORTBSetBits(WIFI_HIB);
mPORTBSetPinsDigitalOut(WIFI_HIB);
mPORTBClearBits(WIFI_WP); // Has to be pulled low
mPORTBSetPinsDigitalOut(WIFI_WP);
/*
// Configure the INT4 controller for WIFI
// Set RD11/INT4 as input
mPORTDSetPinsDigitalIn(BIT_11);
// Clear corresponding bits in INTCON for falling edge trigger
INTCONCLR = _INTCON_INT4EP_MASK;
// Set up interrupt prioirty and sub-priority
INTSetVectorPriority(INT_EXTERNAL_4_VECTOR, My_INT_EXTERNAL_4_PRIORITY);
INTSetVectorSubPriority(INT_EXTERNAL_4_VECTOR, My_INT_EXTERNAL_4_SUB_PRIORITY);
// Clear the interrupt flags
INTClearFlag(INT_INT4);
// Enable INT4
INTEnable(INT_INT4, INT_ENABLED);
*/
}
int main(void)
{
// === config the uart, DMA, SPI ===========
PT_setup();
// == SPI ==
//enable SPI at 10 MHz clock to meet digital potentiometer specifications
SpiChnOpen(spiChn, SPI_OPEN_ON | SPI_OPEN_MODE16 | SPI_OPEN_MSTEN | SPI_OPEN_CKE_REV , spiClkDiv);
// === setup system wide interrupts ====================
INTEnableSystemMultiVectoredInt();
// === set up i/o port pin ===============================
//Port B bits, 3,7,8, and 9 are used to select digital output
//Port B bit 4 is used as chip select for treble digital potentiometer
//Port B bit 13 is used as a select signal for output effect selection multiplexer
//Additional functionality would use the TFT to display which output was being
//selected
mPORTBSetPinsDigitalOut(BIT_4 | BIT_3|BIT_7 | BIT_8 | BIT_9 |BIT_13); //Set port as output
//Port A Bits 0,2,and 3 are used to configure digital potentiometers (chip selects). Port A bit 4 is used
//for multiplexing whether to have input from Digital effector chip, distortion,
//or pure tonestack sound
mPORTASetPinsDigitalOut(BIT_0 | BIT_2 | BIT_3 | BIT_4);
// === now the threads ===================================
// init the threads
PT_INIT(&pt_cmd);
PT_INIT(&pt_time);
//==Digipot spi stuff
// SCK2 is pin 26
// SDO1 (MOSI) is in PPS output group 1, could be connected to RB5 which is pin 14
PPSOutput(2, RPB5, SDO1);
// control CS for DAC
//mPORTBSetPinsDigitalOut(BIT_4); //CS
mPORTBSetBits(BIT_4 | BIT_6);
//===
mPORTASetBits(BIT_0 | BIT_2 | BIT_3 | BIT_4); //CS pins active high
mPORTAClearBits(BIT_4);
mPORTBClearBits(BIT_13);
mPORTBSetBits(BIT_13);
// schedule the threads
while(1) {
//cmd used as command center for all effects
PT_SCHEDULE(protothread_cmd(&pt_cmd));
}
} // main
void InitializeSystem()
{
SYSTEMConfigWaitStatesAndPB(CLOCK_FREQ);
mOSCSetPBDIV(OSC_PB_DIV_4); // Set to get 20MHz PB clock
//mOSCSetPBDIV(OSC_PB_DIV_2);
CheKseg0CacheOn();
mJTAGPortEnable(0);
// Initialize the pins to all digital output and driven to ground.
// Exception is RE7 and RE6 which are switch inputs
PORTSetPinsDigitalIn(IOPORT_E, BIT_6);
PORTSetPinsDigitalIn(IOPORT_E, BIT_7);
mPORTASetPinsDigitalOut(0xFFFF);
mPORTBSetPinsDigitalOut(0xFFFF);
mPORTCSetPinsDigitalOut(0xFFFF);
mPORTDSetPinsDigitalOut(0xFFFF);
mPORTESetPinsDigitalOut(0xFF3F);
mPORTFSetPinsDigitalOut(0xFFFF);
mPORTGSetPinsDigitalOut(0xFFFF);
mPORTAClearBits(0xFFFF);
mPORTBClearBits(0xFFFF);
mPORTCClearBits(0xFFFF);
mPORTDClearBits(0xFFFF);
mPORTEClearBits(0xFF3F);
mPORTESetBits(0x000F); // LED latches need to be set high for off
mPORTFClearBits(0xFFFF);
mPORTGClearBits(0xFFFF);
INTEnableSystemMultiVectoredInt();
#ifdef SANITY_CHECK
mLED_Green_On();
#endif
//LCD_Initialize();
//WIFI_Initialize();
//SPRINKLER_Initialize();
//RTCC_Initialize();
//SERIALUSB_Initialize();
SDCARD_Initialize();
TCPIP_Initialize();
}
/* TIMER 2 Interrupt Handler - configured to 50us periods */
void __ISR(_TIMER_2_VECTOR, ipl3) Timer2Handler(void)
{
// clear the interrupt flag
mT2ClearIntFlag();
counterTrigger--;
if(counterTrigger==5){
mPORTBSetBits(BIT_8 | BIT_9| BIT_10 | BIT_11); //Sends trigger signal to the four sensors
}
if(counterTrigger == 0){
mPORTBClearBits(BIT_8 | BIT_9| BIT_10 | BIT_11); //Shut down trigger signal
}
delayFront++;
delayBack++;
delayRight++;
delayLeft++;
}
//===================== Main ======================= //
void main(void) {
SYSTEMConfig( SYS_FREQ, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);
ANSELA = 0; ANSELB = 0; CM1CON = 0; CM2CON = 0;
PT_setup();
INTEnableSystemMultiVectoredInt();
// initialize the threads
PT_INIT(&pt_blink);
PT_INIT(&pt_capture);
// initialize the display
tft_init_hw();
tft_begin();
tft_fillScreen(ILI9340_BLACK);
tft_setRotation(0); //240x320 vertical display
// initialize the comparator
CMP1Open(CMP_ENABLE | CMP_OUTPUT_ENABLE | CMP1_NEG_INPUT_IVREF);
// initialize the timer2
OpenTimer2(T2_ON | T2_SOURCE_INT | T2_PS_1_64, 0xffffffff);
// initialize the input capture, uses timer2
OpenCapture1( IC_EVERY_RISE_EDGE | IC_FEDGE_RISE | IC_INT_1CAPTURE | IC_TIMER2_SRC | IC_ON);
ConfigIntCapture1(IC_INT_ON | IC_INT_PRIOR_3 | IC_INT_SUB_PRIOR_3 );
INTClearFlag(INT_IC1);
// initialize the input/output I/O
mPORTBSetPinsDigitalOut(BIT_3);
mPORTBClearBits(BIT_3);
PPSOutput(4, RPB9, C1OUT); //set up output of comparator for debugging
PPSInput(3, IC1, RPB13); //Either Pin 6 or Pin 24 idk
//round-robin scheduler for threads
while(1) {
PT_SCHEDULE(protothread_blink(&pt_blink));
PT_SCHEDULE(protothread_capture(&pt_capture));
}
} //main
// This thread is responsible for all the code not involving the TFT Display, it handled discharging and charging the capacitor and calculating the
// capacitance of the capacitor.
static PT_THREAD(protothread_cap(struct pt *pt)){
PT_BEGIN(pt);
while(1){
// Discharge Capacitor
// Set pin as output
mPORTBSetPinsDigitalOut(BIT_3);
// Drive RB3 low so capacitor can discharge into the pin
mPORTBClearBits(BIT_3);
// Yield until discharge is complete
PT_YIELD_TIME_msec(2); // 2ms is given for the capacitor to discharge and for the display to update if needed
Comp1Setup();
// Charge Capacitor
// Set RB3 as an input to detect capacitor's current charge
mPORTBSetPinsDigitalIn(BIT_3);
// Set up the timer for charging the capcitor
capTimerSetup();
// Set up the input capture to capture when the capacitor voltage reaches the reference voltage
IC1setup();
// Yield while waiting for event from comparator
PT_YIELD_UNTIL(pt, charged);
CloseTimer2();
// Reset thread wait variable
charged = 0;
// Calculate capacitance in nF
capacitance = (((charge_time*-1)/1000000)/(log(1-(VREF / VDD)) * RESISTOR))*1000000000;
CMP1Close();
PT_YIELD_TIME_msec(20);
}
PT_END(pt);
}
//===================== Capture ==================== //
// Discharges capacitor, displays and begins measurement of C1INA
static PT_THREAD (protothread_capture(struct pt *pt))
{
PT_BEGIN(pt);
while(1) {
// sets pin 7 to an output
mPORTBSetPinsDigitalOut(BIT_3);
mPORTBClearBits(BIT_3);
tft_setCursor(10, 50);
tft_setTextColor(ILI9340_YELLOW); tft_setTextSize(3);
tft_writeString("Capacitance: ");
//sets up for the capacitor reading
char buffer[20];
tft_setCursor(10, 90);
tft_fillRect(10,90, 300, 100, ILI9340_BLACK);
sprintf(buffer,"%.1f nF",cap);
tft_setTextColor(ILI9340_WHITE);
//displays the capacitor value if it is above the threshold of 1 nF
if(cap < 1.0*(1-ERROR))
tft_writeString("No capacitor");
else
tft_writeString(buffer);
cap = 0.0;
PT_YIELD_TIME_msec(1);
//Clear timer and sets pin 7 as input
WriteTimer2(0);
mPORTBSetPinsDigitalIn(BIT_3);
PT_YIELD_TIME_msec(100);
}
PT_END(pt);
} // capture
void TURN_OFF_LED(short lednumber)
{
switch(lednumber)
{
case 0:
{}
case 1:
{}
case 2:
{
mPORTDClearBits(1 << lednumber);
break;
}
case 3:
{}
case 4:
{
mPORTBClearBits(1 << (lednumber+1));
}
default: {
break;
}
}
}
void __ISR(_I2C_1_VECTOR, ipl3) _SlaveI2CHandler(void) {
unsigned char temp;
static unsigned int dIndex;
// check for MASTER and Bus events and respond accordingly
if (IFS1bits.I2C1MIF) {
mI2C1MClearIntFlag();
return;
}
if (IFS1bits.I2C1BIF) {//bus collision, reset I2C state machine
I2Cstate = 0;
mI2C1BClearIntFlag();
return;
}
// handle the incoming message
if ((I2C1STATbits.R_W == 0) && (I2C1STATbits.D_A == 0)) {
// reset any state variables needed by a message sequence
// perform a dummy read
temp = SlaveReadI2C1();
I2C1CONbits.SCLREL = 1; // release the clock
I2Cstate = 0;
} else if ((I2C1STATbits.R_W == 0) && (I2C1STATbits.D_A == 1)) {//data received, input to slave
WDTCount = 0;
WriteTimer1(0);
// writing data to our module
I2CDataIn = SlaveReadI2C1();
I2C1CONbits.SCLREL = 1; // release clock stretch bit
if (I2Cstate == 0 && I2CDataIn != ADDR_CLR_I2C_STATE) {
I2Cstate = 1;
I2C_request = I2CDataIn;
} else if (I2Cstate == 1) {
switch (I2C_request) {
case ADDR_M3_PWM:
M3_Dir = I2CDataIn >> 7 & 0x01;//take top bit
if (((Status2 & M3_CUR) && (config1 & CUR_SENSE_EN)) || (config1 & MOTOR_HALT)) {
M3_PWM = 0;
} else {
if (I2CDataIn & 0x80) {
mPORTBClearBits(BIT_13);
M3_PWM = (((int) ((~I2CDataIn) + 1)) << 4);
} else {
mPORTBSetBits(BIT_13);
M3_PWM = ((int) I2CDataIn) << 4;
}
}
SetDCOC4PWM(M3_PWM);
break;
case ADDR_M4_PWM:
M4_Dir = I2CDataIn >> 7 & 0x01;//take top bit
if (((Status2 & M4_CUR) && (config1 & CUR_SENSE_EN)) || (config1 & MOTOR_HALT)) {
M4_PWM = 0;
} else {
if (I2CDataIn & 0x80) {
mPORTBClearBits(BIT_14);
M4_PWM = (((int) ((~I2CDataIn) + 1)) << 4);
} else {
mPORTBSetBits(BIT_14);
M4_PWM = ((int) I2CDataIn) << 4;
}
}
SetDCOC5PWM(M4_PWM);
break;
case ADDR_M5_PWM:
M5_Dir = I2CDataIn >> 7 & 0x01;//take top bit
if (((Status2 & M5_CUR) && (config1 & CUR_SENSE_EN)) || (config1 & MOTOR_HALT)) {
M5_PWM = 0;
} else {
if (I2CDataIn & 0x80) {
mPORTBClearBits(BIT_15);
M5_PWM = (((int) ((~I2CDataIn) + 1)) << 4);
} else {
mPORTBSetBits(BIT_15);
M5_PWM = ((int) I2CDataIn) << 4;
}
}
SetDCOC3PWM(M5_PWM);
break;
case ADDR_M6_PWM:
M6_Dir = I2CDataIn >> 7 & 0x01;//take top bit
if (((Status2 & M6_CUR) && (config1 & CUR_SENSE_EN)) || (config1 & MOTOR_HALT)) {
M6_PWM = 0;
} else {
if (I2CDataIn & 0x80) {
mPORTBClearBits(BIT_11);
M6_PWM = (((int) ((~I2CDataIn) + 1)) << 4);
} else {
mPORTBSetBits(BIT_11);
M6_PWM = ((int) I2CDataIn) << 4;
}
}
SetDCOC2PWM(M6_PWM);
break;
case ADDR_M7_PWM:
M7_Dir = I2CDataIn >> 7 & 0x01;//take top bit
if (((Status2 & M7_CUR) && (config1 & CUR_SENSE_EN)) || (config1 & MOTOR_HALT)) {
M7_PWM = 0;
} else {
if (I2CDataIn & 0x80) {
mPORTBClearBits(BIT_7);
M7_PWM = (((int) ((~I2CDataIn) + 1)) << 4);
} else {
mPORTBSetBits(BIT_7);
M7_PWM = ((int) I2CDataIn) << 4;
}
}
SetDCOC1PWM(M7_PWM);
break;
case ADDR_Config1:
config1 = I2CDataIn;
if (config1 & MOTOR_HALT) {
SetDCOC1PWM(0);
SetDCOC2PWM(0);
SetDCOC3PWM(0);
SetDCOC4PWM(0);
SetDCOC5PWM(0);
} else {
SetDCOC1PWM(M7_PWM);
SetDCOC2PWM(M6_PWM);
SetDCOC3PWM(M5_PWM);
SetDCOC4PWM(M3_PWM);
SetDCOC5PWM(M4_PWM);
}
break;
default:
break;
}
I2Cstate = 0;
}
} else if ((I2C1STATbits.R_W == 1) && (I2C1STATbits.D_A == 0)) {
int main(void) {
int a = 0;
unsigned char data_mix = 0, data_mix_old = 0;
SDEV_TYPE1 S1 = {0}, *S1_p = &S1;
char comm_buffer[MAXSTRLEN];
int update_rate = 4;
int eresult = 0, records = 0, file_errors = 0;
// Init remote device data
S1.obits.out_byte = 0xff;
// Enable multi-vectored interrupts
INTEnableSystemMultiVectoredInt();
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//STEP 1. Configure cache, wait states and peripheral bus clock
// 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);
srand(ReadCoreTimer()); // Seed the pseudo random generator
// SCLK1 pin 25 - SD pin 5
PORTSetPinsDigitalOut(IOPORT_B, BIT_14); // Clock output
// SCLK2 pin 26 - PIC pin 18
PORTSetPinsDigitalOut(IOPORT_B, BIT_15); // Clock output
PPSInput(2, SDI1, RPB8); //Assign SDI1 to pin 17 - SD pin 7
PORTSetPinsDigitalIn(IOPORT_B, BIT_8); // Input for SDI1
PPSInput(3, SDI2, RPB13); //Assign SDI2 to pin 24
PORTSetPinsDigitalIn(IOPORT_B, BIT_13); // Input for SDI2
PPSOutput(2, RPB11, SDO1); // Set 22 pin as output for SDO1 - SD pin 2
PPSOutput(2, RPB5, SDO2); // Set 14 pin as output for SDO2
PORTSetPinsDigitalOut(IOPORT_B, BIT_2); // CS line pin 6 - SD pin 1
mPORTBSetBits(BIT_2); // deselect SDCARD
PORTSetPinsDigitalOut(IOPORT_B, BIT_3); // select pin enable for SPI slaves bit 2 to 74hc138
mPORTBSetBits(BIT_3); // deselect Slave1 bit2
PORTSetPinsDigitalOut(IOPORT_A, BIT_3); // spare digital output
mPORTASetBits(BIT_3); //
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Diag Led pins
PORTSetPinsDigitalOut(IOPORT_A, BIT_0 | BIT_1); // bi-color LED
PORTSetPinsDigitalOut(IOPORT_B, BIT_0 | BIT_1); // programming inputs /device select outputs address for SPI slaves bits [0..1] 74hc138
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// STEP 3. initialize the port pin states = outputs low
mPORTASetBits(BIT_0 | BIT_1);
mPORTBClearBits(BIT_0 | BIT_1);
RTC_Init(); // Start Timer5 for background processes and 1ms soft timers
Blink_Init(); // Start Timer4 background blink driver
blink_led(RED_LED, LED_ON, FALSE);
init_spi_ports();
ps_select(0); // select the pic18 slave1 on spi port 2, select 0
// send some text to clean the buffers
SpiStringWrite("\r\n \n\r");
eresult = f_mount(&FatFs, "0:", 1);
if (eresult) {
sprintf(comm_buffer, "\r\n Mount error %i ", eresult);
SpiStringWrite(comm_buffer); /* Register work area to the logical drive 1 */
blink_led(GREEN_LED, LED_OFF, FALSE);
blink_led(RED_LED, LED_ON, FALSE);
} else {
Show_MMC_Info();
blink_led(RED_LED, LED_OFF, FALSE);
blink_led(GREEN_LED, LED_ON, TRUE);
}
/* Create destination file on the drive 1 */
eresult = f_open(&File[0], "0:logfile.txt", FA_CREATE_ALWAYS | FA_WRITE);
while (1) { // loop and move data
V.Timer1 = update_rate;
while (V.Timer1);
/* loop back testing */
data_mix_old = data_mix; // save the old data
data_mix = rand(); // make new data
if (S1_p->char_ready || !S1_p->ibits.in_bits.eject) {
S1_p->rec_data = S1_p->rec_tmp;
// led1_green();
} else {
// led1_off();
}
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
if (S1_p->ibits.in_bits.card_detect) {
S1_p->obits.out_bits.eject_led = OFF;
SD_NOTRDY = STA_NOINIT;
} else {
S1_p->obits.out_bits.eject_led = ~S1_p->obits.out_bits.eject_led;
}
for (S1_p->chan_no = 0; S1_p->chan_no < 4; S1_p->chan_no++) {
S1_p->adc_data[S1_p->chan_no] = SpiADCRead(S1_p->chan_no);
}
a = 0;
if (((records % 100)) == 0 && !eresult) {
if (S1_p->char_ready) {
snprintf(comm_buffer, 64, "\r\n %x , %i, %x , %i , %i , %i , %i ", S1_p->rec_data, records, S1_p->ibits.in_byte, S1_p->adc_data[0], S1_p->adc_data[1], S1_p->adc_data[2], S1_p->adc_data[3]);
} else {
snprintf(comm_buffer, 64, "\r\n %x , %i , %i , %i , %i , %i ", S1_p->ibits.in_byte, records, S1_p->adc_data[0], S1_p->adc_data[1], S1_p->adc_data[2], S1_p->adc_data[3]);
}
S1_p->rec_tmp = SpiStringWrite(comm_buffer);
}
if (SpiSerialReadOk() || !S1_p->ibits.in_bits.eject) {
S1_p->char_ready = TRUE;
if ((S1_p->rec_tmp == 'f') || !S1_p->ibits.in_bits.eject) {
if (S1_p->ibits.in_bits.card_detect) { // no disk
blink_led(0, LED_ON, FALSE);
S1_p->obits.out_bits.eject_led = OFF;
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
SpiStringWrite("\r\n Insert Disk! y/n ");
while (!SpiSerialReadReady() && S1_p->ibits.in_bits.card_detect) S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
V.Timer1 = update_rate;
while (V.Timer1);
if (!S1_p->ibits.in_bits.card_detect) {
SpiStringWrite("/\r\n Mounting Disk ");
S1_p->obits.out_bits.eject_led = ON;
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
eresult = f_mount(&FatFs, "0:", 1);
if (eresult) {
sprintf(comm_buffer, "\r\n Mount error %i ", eresult);
SpiStringWrite(comm_buffer); /* Register work area to the logical drive 1 */
blink_led(GREEN_LED, LED_OFF, FALSE);
blink_led(RED_LED, LED_ON, FALSE);
} else {
Show_MMC_Info();
blink_led(RED_LED, LED_OFF, FALSE);
blink_led(GREEN_LED, LED_ON, TRUE);
}
/* Create destination file on the drive 1 */
eresult = f_open(&File[0], "0:logfile.txt", FA_CREATE_ALWAYS | FA_WRITE);
SpiStringWrite("\r\n Mount Complete ");
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
if (S1_p->ibits.in_bits.card_detect) SD_NOTRDY = STA_NOINIT;
}
} else { // Eject current disk
blink_led(0, LED_ON, FALSE);
S1_p->obits.out_bits.eject_led = OFF;
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
f_close(&File[0]);
SpiStringWrite("\r\n Eject Disk? y/n ");
while (!SpiSerialReadReady() && !S1_p->ibits.in_bits.card_detect) S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
V.Timer1 = update_rate;
while (V.Timer1);
if (S1_p->ibits.in_bits.card_detect) {
SpiStringWrite("\r\n Ejecting Disk ");
S1_p->obits.out_bits.eject_led = ON;
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
if (f_mount(0, "0:", 0)) SpiStringWrite("\r\n UMount error "); /* Unregister work area from the logical drive 1 */
SpiStringWrite("\r\n Ejection Complete ");
eresult = 1;
S1_p->ibits.in_byte = SpiPortWrite(S1_p->obits.out_byte);
if (S1_p->ibits.in_bits.card_detect) SD_NOTRDY = STA_NOINIT;
}
}
}
} else {
S1_p->char_ready = FALSE;
}
V.Timer1 = update_rate;
while (V.Timer1);
// only GREEN if the data sent and received match or eject button is pressed
if (S1_p->ibits.in_bits.eject && (S1_p->rec_data != data_mix_old)) {
// blink_led(0, LED_ON, TRUE);
} else {
// blink_led(0, LED_ON, FALSE);
}
if (!eresult) {
a = f_puts(comm_buffer, &File[0]);
blink_led(RED_LED, LED_OFF, FALSE);
blink_led(GREEN_LED, LED_ON, TRUE);
records++;
} else {
file_errors++;
if ((file_errors % 100) == 0) {
SpiStringWrite("\r\n not logged ");
blink_led(GREEN_LED, LED_OFF, FALSE);
blink_led(RED_LED, LED_ON, FALSE);
}
}
if (a == (-1)) {
if ((file_errors % 100) == 0) {
sprintf(comm_buffer, "\r\n File Write error %i ", a);
SpiStringWrite(comm_buffer);
blink_led(GREEN_LED, LED_OFF, FALSE);
blink_led(RED_LED, LED_ON, FALSE);
}
}
f_sync(&File[0]);
}
}
static PT_THREAD (protothread_cmd(struct pt *pt))
{
PT_BEGIN(pt);
while(1) {
// send the prompt via DMA to serial
sprintf(PT_send_buffer,"cmd>");
// by spawning a print thread
PT_SPAWN(pt, &pt_DMA_output, PT_DMA_PutSerialBuffer(&pt_DMA_output) );
//spawn a thread to handle terminal input
// the input thread waits for input
// -- BUT does NOT block other threads
// string is returned in "PT_term_buffer"
PT_SPAWN(pt, &pt_input, PT_GetSerialBuffer(&pt_input) );
// returns when the thread dies
// in this case, when <enter> is pushed
// now parse the string
sscanf(PT_term_buffer, "%s %d", cmd, &value);
if (cmd[0]=='d' ) {
//set mux to DSP chip
mPORTAClearBits(BIT_4);
mPORTBClearBits(BIT_13);
mPORTASetBits(BIT_4);
mPORTBClearBits(BIT_3 | BIT_7 | BIT_8 | BIT_9);
if(((value << 6) & (0x0040))){
mPORTBSetBits(BIT_3);
}
//select sound effect
mPORTBSetBits(value << 6);
}
if (cmd[0] == 's'){ //distortion
//set mux to Distortion
mPORTAClearBits(BIT_4);
mPORTBClearBits(BIT_13);
}
if (cmd[0] == 'n'){ //normal: only tone stack
//set mux to channel 0
mPORTAClearBits(BIT_4);
mPORTBClearBits(BIT_13);
mPORTBSetBits(BIT_13);
}
//pots
if (cmd[0] == 't'){ //treble
// CS low to start transaction
mPORTBClearBits(BIT_4); // start transaction
deliverSPICh1Datum(value);
// CS high
mPORTBSetBits(BIT_4); // end transaction
}
if (cmd[0] == 'b'){ //bass
// CS low to start transaction
mPORTAClearBits(BIT_0); // start transaction
deliverSPICh1Datum(value);
// CS high
mPORTASetBits(BIT_0); // end transaction
}
if (cmd[0] == 'v'){ //level
// CS low to start transaction
mPORTAClearBits(BIT_2); // start transaction
deliverSPICh1Datum(value);
// CS high
mPORTASetBits(BIT_2); // end transaction
}
if (cmd[0] == 'm'){ //mid
// CS low to start transaction
mPORTAClearBits(BIT_3); // start transaction
deliverSPICh1Datum(value);
// CS high
mPORTASetBits(BIT_3); // end transaction
}
// never exit while
} // END WHILE(1)
PT_END(pt);
} // thread 3
void switchMonitorOff()
{
mPORTBClearBits(BIT_14);
}
