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add SSP commands

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This commit is contained in:
Pavol Rusnak 2011-04-27 03:58:47 +02:00
parent 1e2e2587bb
commit cb8ea5c0e5
5 changed files with 36 additions and 8 deletions
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25
firmware/src/edubrm.c
View file

@ -46,7 +46,13 @@ void SetOutReport (uint8_t dst[], uint32_t length)
case 'D':
freq = dst[1] + (dst[2]<<8) + (dst[3]<<16) + (dst[4]<<24);
LPC_GPIO0->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2)); // set chipselect to 0
// TODO: set SPI commands
freq = 0xFFFFFFFF/50000000*freq;
SSPSend2(0xF8, 0x00);
SSPSend2(0x33, ((freq & 0xFF000000) >> 24));
SSPSend2(0x22, ((freq & 0x00FF0000) >> 16));
SSPSend2(0x31, ((freq & 0x0000FF00) >> 8));
SSPSend2(0x20, ((freq & 0x000000FF)));
SSPSend2(0xC0, 0x00);
LPC_GPIO0->MASKED_ACCESS[1<<2] |= (0<<2); // set chipselect to 1
break;
case 'm':
@ -58,7 +64,20 @@ void SetOutReport (uint8_t dst[], uint32_t length)
} 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
// set channel
SSPSend2(0x41, chan); // 000 - ch#1, 101 - ch#6
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
}
if (which == 1) {
LPC_GPIO3->MASKED_ACCESS[1<<3] &= ((0<<3) | ~(1<<3)); // set chipselect to 0
} else {
LPC_GPIO3->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2)); // set chipselect to 0
}
// set gain
SSPSend2(0x40, gain); // 000 - 1, 111 - 32
if (which == 1) {
LPC_GPIO3->MASKED_ACCESS[1<<3] |= (0<<3); // set chipselect to 1
} else {
@ -119,7 +138,7 @@ void PinInit() {
LPC_IOCON->PIO3_1 |= 0x00;
LPC_GPIO2->DIR |= (1<<8) | (1<<9) | (1<<10) | (1<<11);
LPC_GPIO3->DIR |= (1<<0) | (1<<1);
SwitchesState(0);
SwitchesSetup(0);
//set chip select pins function
LPC_IOCON->PIO0_2 &= ~0x07; // DDS

2
firmware/src/edubrm.h
View file

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

8
firmware/src/ssp.c
View file

@ -1,6 +1,14 @@
#include "LPC13xx.h"
#include "ssp.h"
void SSPSend2(const uint8_t a, const uint8_t b)
{
uint8_t buf[2];
buf[0] = a;
buf[1] = b;
SSPSend(buf, 2);
}
void SSPSend( const uint8_t *buf, uint32_t Length )
{
uint32_t i;

1
firmware/src/ssp.h
View file

@ -110,6 +110,7 @@ extern void SSP_IRQHandler (void);
extern void SSPInit( void );
extern void SSPSend( const uint8_t *Buf, uint32_t Length );
extern void SSPReceive( uint8_t *buf, uint32_t Length );
extern void SSPSend2(const uint8_t a, const uint8_t b);
#endif /* __SSP_H__ */
/*****************************************************************************

8
software/modules/ModuleDebug.py
View file

@ -72,14 +72,14 @@ class ModuleDebugWidget(QWidget):
@pyqtSlot()
def on_comboAMP1_changed(self):
c = self.ui.comboAMP1c.currentIndex() + 1
g = (1,2,4,5,8,10,16,32)[self.ui.comboAMP1g.currentIndex()]
c = self.ui.comboAMP1c.currentIndex()
g = self.ui.comboAMP1g.currentIndex()
self.dev.opamp(1, c, g)
@pyqtSlot()
def on_comboAMP2_changed(self):
c = self.ui.comboAMP2c.currentIndex() + 1
g = (1,2,4,5,8,10,16,32)[self.ui.comboAMP2g.currentIndex()]
c = self.ui.comboAMP2c.currentIndex()
g = self.ui.comboAMP2g.currentIndex()
self.dev.opamp(2, c, g)
@pyqtSlot()