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This commit is contained in:
Pavol Rusnak 2011-04-27 02:46:36 +02:00
parent 48c2cc1630
commit 1271571cb0
3 changed files with 56 additions and 13 deletions
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2
firmware/src/adc.c
View file

@ -160,7 +160,7 @@ void ADCInit( uint32_t ADC_Clk )
to design team. */ to design team. */
LPC_IOCON->PIO0_11 &= ~0x8F; /* ADC I/O config */ LPC_IOCON->PIO0_11 &= ~0x8F; /* ADC I/O config */
LPC_IOCON->PIO0_11 |= 0x02; /* ADC IN0 */ LPC_IOCON->PIO0_11 |= 0x02; /* ADC IN0 */
#if 0 #if 1
LPC_IOCON->PIO1_0 &= ~0x8F; LPC_IOCON->PIO1_0 &= ~0x8F;
LPC_IOCON->PIO1_0 |= 0x02; /* ADC IN1 */ LPC_IOCON->PIO1_0 |= 0x02; /* ADC IN1 */
LPC_IOCON->PIO1_1 &= ~0x8F; LPC_IOCON->PIO1_1 &= ~0x8F;

66
firmware/src/edubrm.c
View file

@ -39,29 +39,35 @@ void SetOutReport (uint8_t dst[], uint32_t length)
break; break;
case 'd': case 'd':
wavetype = dst[1]; wavetype = dst[1];
// TODO: set DDS to (wavetype) using SPI (set PIN_10 to 0, send SPI commands, set PIN_10 to 1) LPC_GPIO0->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2)); // set chipselect to 0
// TODO: set SPI commands
LPC_GPIO0->MASKED_ACCESS[1<<2] |= (0<<2); // set chipselect to 1
break; break;
case 'D': case 'D':
freq = dst[1] + (dst[2]<<8) + (dst[3]<<16) + (dst[4]<<24); freq = dst[1] + (dst[2]<<8) + (dst[3]<<16) + (dst[4]<<24);
// TODO: set DDS to (freq) Hz using SPI (set PIN_10 to 0, send SPI commands, set PIN_10 to 1) LPC_GPIO0->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2)); // set chipselect to 0
// TODO: set SPI commands
LPC_GPIO0->MASKED_ACCESS[1<<2] |= (0<<2); // set chipselect to 1
break; break;
case 'm': case 'm':
which = dst[1]; which = dst[1];
chan = dst[2]; chan = dst[2];
gain = dst[3]; gain = dst[3];
// TODO: set opamp (which) on channel (chan) with gain (gain) if (which == 1) {
// for opamp1: set PIN_48 to 0, send SPI commands, set PIN_48 to 1 LPC_GPIO3->MASKED_ACCESS[1<<3] &= ((0<<3) | ~(1<<3)); // set chipselect to 0
// for opamp2: set PIN_43 to 0, send SPI commands, set PIN_43 to 1 } else {
LPC_GPIO3->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2)); // set chipselect to 0
}
// TODO: set opamp (which) on channel (chan) with gain (gain) via SPI
if (which == 1) {
LPC_GPIO3->MASKED_ACCESS[1<<3] |= (0<<3); // set chipselect to 1
} else {
LPC_GPIO3->MASKED_ACCESS[1<<2] |= (0<<2); // set chipselect to 1
}
break; break;
case 's': case 's':
states = dst[1]; states = dst[1];
// TODO: set switches to states SwitchesSetup(states);
// switch1: PIN_12
// switch2: PIN_24
// switch3: PIN_25
// switch4: PIN_31
// switch5: PIN_36
// switch6: PIN_37
break; break;
case 'P': case 'P':
states = dst[1]; states = dst[1];
@ -75,6 +81,21 @@ void SetOutReport (uint8_t dst[], uint32_t length)
} }
} }
void SwitchesSetup(uint8_t states) {
LPC_GPIO2->MASKED_ACCESS[1<<8] |= ((( states && 0x01) >> 0)<<8);
LPC_GPIO2->MASKED_ACCESS[1<<8] &= ((((states && 0x01) >> 0)<<8) | ~(1<<8));
LPC_GPIO2->MASKED_ACCESS[1<<9] |= ((( states && 0x02) >> 1)<<9);
LPC_GPIO2->MASKED_ACCESS[1<<9] &= ((((states && 0x02) >> 1)<<9) | ~(1<<9));
LPC_GPIO2->MASKED_ACCESS[1<<10] |= ((( states && 0x04) >> 2)<<10);
LPC_GPIO2->MASKED_ACCESS[1<<10] &= ((((states && 0x04) >> 2)<<10) | ~(1<<10));
LPC_GPIO2->MASKED_ACCESS[1<<11] |= ((( states && 0x08) >> 3)<<11);
LPC_GPIO2->MASKED_ACCESS[1<<11] &= ((((states && 0x08) >> 3)<<11) | ~(1<<11));
LPC_GPIO3->MASKED_ACCESS[1<<0] |= ((( states && 0x10) >> 4)<<0);
LPC_GPIO3->MASKED_ACCESS[1<<0] &= ((((states && 0x10) >> 4)<<0) | ~(1<<0));
LPC_GPIO3->MASKED_ACCESS[1<<1] |= ((( states && 0x20) >> 5)<<1);
LPC_GPIO3->MASKED_ACCESS[1<<1] &= ((((states && 0x20) >> 5)<<1) | ~(1<<1));
}
void PinInit() { void PinInit() {
// set pins function // set pins function
LPC_IOCON->PIO2_0 &= ~0x07; LPC_IOCON->PIO2_0 &= ~0x07;
@ -83,6 +104,27 @@ void PinInit() {
LPC_IOCON->PIO2_6 |= 0x00; LPC_IOCON->PIO2_6 |= 0x00;
LPC_IOCON->PIO2_7 &= ~0x07; LPC_IOCON->PIO2_7 &= ~0x07;
LPC_IOCON->PIO2_7 |= 0x00; LPC_IOCON->PIO2_7 |= 0x00;
// set switches function
LPC_IOCON->PIO2_8 &= ~0x07;
LPC_IOCON->PIO2_8 |= 0x00;
LPC_IOCON->PIO2_9 &= ~0x07;
LPC_IOCON->PIO2_9 |= 0x00;
LPC_IOCON->PIO2_10 &= ~0x07;
LPC_IOCON->PIO2_10 |= 0x00;
LPC_IOCON->PIO2_11 &= ~0x07;
LPC_IOCON->PIO2_11 |= 0x00;
LPC_IOCON->PIO3_0 &= ~0x07;
LPC_IOCON->PIO3_0 |= 0x00;
LPC_IOCON->PIO3_1 &= ~0x07;
LPC_IOCON->PIO3_1 |= 0x00;
//set chip select pins function
LPC_IOCON->PIO0_2 &= ~0x07; // DDS
LPC_IOCON->PIO0_2 |= 0x00;
LPC_IOCON->PIO3_3 &= ~0x07; // OPAMP1
LPC_IOCON->PIO3_3 |= 0x00;
LPC_IOCON->PIO3_2 &= ~0x07; // OPAMP2
LPC_IOCON->PIO3_2 |= 0x00;
PinDir(0); // all 3 pins are output 0 PinDir(0); // all 3 pins are output 0
PinState(1, 0); PinState(1, 0);
PinState(2, 0); PinState(2, 0);

1
firmware/src/edubrm.h
View file

@ -5,3 +5,4 @@ void EnablePWM2(uint16_t period, uint16_t duty);
void PinDir(uint16_t mask); void PinDir(uint16_t mask);
void PinState(uint8_t which, uint8_t state); void PinState(uint8_t which, uint8_t state);
void EduInit(); void EduInit();
void SwitchesSetup(uint8_t states);