1 files changed, 0 insertions, 122 deletions
diff --git a/rf_test/rfm.c b/rf_test/rfm.c
deleted file mode 100644
index 0273312..0000000
--- a/rf_test/rfm.c
+++ /dev/null
@@ -1,122 +0,0 @@
-#include <avr/io.h>
-
-#include "rfm.h"
-
-#define SS_PIN  PB2
-#define SS_DDR  DDRB
-#define SS_PORT PORTB
-
-#define SCK_PIN  PB5
-#define MOSI_PIN PB3
-#define MISO_PIN PB4
-#define SPI_DDR  DDRB
-
-// RFM69 op modes
-#define RX        0x10
-#define TX        0x0C
-#define SLEEP     0x00
-#define STDBY     0x04
-#define LISTEN_ON 0x40
-
-static inline void spi_init(void)
-{
-	SS_DDR |= (1 << SS_PIN);
-	SS_PORT |= (1 << SS_PIN);
-	SPI_DDR = (1 << MOSI_PIN) | (1 << SCK_PIN);
-
-	SPCR = (1 << SPE) | (1 << MSTR);
-}
-
-static inline uint8_t read_reg(uint8_t reg)
-{
-	uint8_t data;
-
-	SS_PORT |= (1 << SS_PIN);
-	SPDR = reg | 0x7F;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	data = SPDR;
-	SS_PORT &= ~(1 << SS_PIN);
-
-	return data;
-}
-
-static inline void write_reg(uint8_t reg, uint8_t val)
-{
-	while (read_reg(reg) != val) {
-		SS_PORT |= (1 << SS_PIN);
-		SPDR = reg | 0x80;
-		while (!(SPSR & (1 << SPIF)))
-			;
-		SS_PORT &= ~(1 << SS_PIN);
-	}
-}
-
-static inline void set_mode(uint8_t mode)
-{
-	write_reg(0x01, mode);
-	while (!read_reg(0x27))
-		;
-}
-
-void rfm_init(void)
-{
-	spi_init();
-
-	set_mode(STDBY | LISTEN_ON);
-
-	// rx interrupt on DPIO0
-	write_reg(0x25, 0x40);
-	write_reg(0x26, 0x07);
-
-	// packet format: 8 bits + whitening + crc
-	write_reg(0x37, 0x52);
-	write_reg(0x38, 0x08);
-
-	// disable encryption
-	write_reg(0x3D, 0x02);
-}
-
-void rfm_sendto(uint8_t addr, uint8_t *data, uint8_t n)
-{
-	uint8_t i;
-
-	set_mode(STDBY);
-
-	SS_PORT |= (1 << SS_PIN);
-
-	SPDR = 0x7F;
-	while (!(SPSR & (1 << SPIF)))
-		;
-
-	SPDR = addr;
-	while (!(SPSR & (1 << SPIF)))
-		;
-
-	for (i = 0; i < n; i++) {
-		SPDR = data[i];
-		while (!(SPSR & (1 << SPIF)))
-			;
-	}	
-
-	SS_PORT &= ~(1 << SS_PIN);
-
-	set_mode(TX);
-	
-	while (!((read_reg(0x28) >> 3) & 1))
-		;
-}
-
-uint8_t rfm_recvfrom(uint8_t addr, uint8_t *buf, uint8_t n)
-{
-	uint8_t i;
-	
-	SS_PORT |= (1 << SS_PIN);
-
-	for (i = 0; i < n && ((read_reg(0x28) >> 6) & 1); i++)
-		buf[i] = read_reg(0x00);
-
-	SS_PORT &= ~(1 << SS_PIN);
-
-	return i;
-}