Revision 565
More testing. Transmission is messed up.
| branches/encoders/code/projects/template/main.c | ||
|---|---|---|
| 2 | 2 |
#include "spi.h" |
| 3 | 3 |
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| 4 | 4 |
#define MODE 0 |
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#define TEST 1 |
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#define TEST 0 |
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extern char spi_status; |
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void recv_func(char c) {
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if (c != '\n');
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if(MODE) |
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usb_puts("MASTER");
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else |
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usb_puts("SLAVE");
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if (c != '0') {
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if(MODE)
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usb_puts("MASTER");
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else
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usb_puts("SLAVE");
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usb_puts(": received [");usb_putc(c);usb_puts("]\n\r");
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usb_puts(": received [");
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usb_putc(c); |
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usb_puts("]\n\r");
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} |
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return; |
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} |
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|
| ... | ... | |
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{
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dragonfly_init(ALL_ON); |
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spi_init(MODE, recv_func); |
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usb_puts("Init done\n\r");
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usb_puts("Init done.\n\r");
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/* |
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if (TEST) {
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if (MODE) {
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while (1) {
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spi_read(6); |
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delay_ms(1000); |
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} |
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} else {
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spi_send("SLAVE", 5);
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} |
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} |
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while(1); |
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*/ |
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while(1) {
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if(TEST){
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if(MODE){
|
| ... | ... | |
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delay_ms(1000); |
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} else {
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//if(!(spi_status & SPI_SEND)) |
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spi_send("SLAVE ",6);
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//delay_ms(800); |
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spi_send("SLAVE", 5);
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} |
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} else {
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if (MODE) {
|
| ... | ... | |
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} |
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} |
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// */ |
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return 0; |
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} |
| branches/encoders/code/projects/template/Makefile | ||
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| 115 | 115 |
endif |
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# Place -I, -L options here |
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CINCS = -I../libdragonfly |
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CINCS += -L../libdragonfly |
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CINCS = -I$(COLONYROOT)/code/lib/include/libdragonfly |
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CINCS += -L$(COLONYROOT)/code/lib/bin |
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ifdef USE_WIRELESS |
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CINCS += -I$(COLONYROOT)/code/lib/include/libwireless |
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endif |
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#---------------- Compiler Options ---------------- |
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# -g*: generate debugging information |
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# -O*: optimization level |
| ... | ... | |
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LDFLAGS += -ldragonfly |
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#---------------- Programming Options (avrdude) ---------------- |
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# Programming hardware: alf avr910 avrisp bascom bsd |
| branches/encoders/code/projects/libdragonfly/spi.c | ||
|---|---|---|
| 47 | 47 |
* Enable Interrupt, Enable SPI Module, LSB First, Master Mode, Clock div = 64 |
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*/ |
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SPCR = 0x00; |
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SPCR = _BV(SPIE) | _BV(SPE) | _BV(DORD) | _BV(MSTR)| _BV(SPR1) | _BV(SPR0); |
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if (spi_mode == MASTER) {
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SPCR = _BV(SPIE) | _BV(SPE) | _BV(DORD) | _BV(MSTR)| _BV(SPR1) | _BV(SPR0); |
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} else {
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SPCR = _BV(SPIE) | _BV(SPE) | _BV(DORD) | ~_BV(MSTR)| _BV(SPR1) | _BV(SPR0); |
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} |
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SPSR = 0x00; |
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SPSR = _BV(SPI2X); |
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spi_status = SPI_IDLE; |
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/* Set SCLK, SS, MOSI as outputs. MISO as input */ |
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if(mode == MASTER) {
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if(spi_mode == MASTER) {
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DDRB |= MOSI | SCLK | SS; |
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DDRB &= ~MISO; |
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PORTB |= SS; //Keep SS High until transmit |
| ... | ... | |
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} |
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//sei(); |
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usb_puts("spi_init: end\n");
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//usb_puts("spi_init: end\n");
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} |
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int spi_send(char *data, int bytes) {
|
| ... | ... | |
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} |
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SPDR = *data; |
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/* |
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if(spi_mode) |
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usb_puts("MASTER");
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else |
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usb_puts("SLAVE");
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usb_puts(": sending [");usb_putc(*data);usb_puts("]\n\r");
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*/ |
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//sei(); |
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return 1; |
| ... | ... | |
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return; |
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} |
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RING_BUFFER_ADD(spi_send_buff, '\n');
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RING_BUFFER_ADD(spi_send_buff, '0');
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} |
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sei(); |
| ... | ... | |
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PORTB &= ~SS; //Select slave |
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} |
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SPDR = '\n';
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SPDR = '0';
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} |
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|
| ... | ... | |
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//If we're the master and we're done sending, end the transmission |
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} else if (spi_mode == MASTER) {
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PORTB |= SS; |
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} else if (spi_mode == SLAVE) {
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SPDR = '0'; |
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} |
| 157 | 164 |
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