Door lock with MOSFETs and and without RFM.HEADmaster

1 files changed, 0 insertions, 303 deletions

diff --git a/lock/nrfm.c b/lock/nrfm.c
deleted file mode 100644
index d1bb5c3..0000000
--- a/lock/nrfm.c
+++ /dev/null
@@ -1,303 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-
-#include "nrfm.h"
-
-#define SPI_SS            PB2
-#define SPI_SCK           PB5
-#define SPI_MISO          PB4
-#define SPI_MOSI          PB3
-#define SPI_DDR           DDRB
-#define SPI_PORT          PORTB
-
-#define NRF_CE            PC1  
-#define NRF_CE_DDR        DDRC
-#define NRF_CE_PORT       PORTC
-
-#define NOP               0xFF
-#define R_REGISTER        0x1F
-#define W_REGISTER        0x20
-
-#define PWR_UP            1
-#define PRIM_RX           0
-
-#define MODCHG_DELAY_MS   5
-
-#define LEN(a)     (sizeof(a) / sizeof(a[0]))
-
-const char *bittab[16] = {
-	[ 0] = "0000", [ 1] = "0001", [ 2] = "0010", [ 3] = "0011",
-	[ 4] = "0100", [ 5] = "0101", [ 6] = "0110", [ 7] = "0111",
-	[ 8] = "1000", [ 9] = "1001", [10] = "1010", [11] = "1011",
-	[12] = "1100", [13] = "1101", [14] = "1110", [15] = "1111",
-};
-
-static inline uint8_t read_reg(uint8_t reg)
-{
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = reg & R_REGISTER;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPDR = NOP;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPI_PORT |= (1 << SPI_SS);
-	return SPDR;
-}
-
-static inline void write_reg(uint8_t reg, uint8_t val)
-{
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = (reg & 0x1F) | W_REGISTER;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPDR = val;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPI_PORT |= (1 << SPI_SS);
-}
-
-static inline void read_reg_bulk(uint8_t reg, uint8_t *data, uint8_t n)
-{
-	uint8_t i;
-
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = reg & R_REGISTER;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	for (i = 0; i < n; i++) {
-		SPDR = NOP;
-		while (!(SPSR & (1 << SPIF)))
-			;
-		data[i] = SPDR;
-	}
-	SPI_PORT |= (1 << SPI_SS);
-}
-
-static inline void setaddr(uint8_t reg, const uint8_t addr[ADDRLEN])
-{
-	int i;
-
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = (reg & 0x1F) | W_REGISTER;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	for (i = ADDRLEN - 1; i >= 0; i--) {
-		SPDR = addr[i];
-		while (!(SPSR & (1 << SPIF)))
-			;
-	}
-	SPI_PORT |= (1 << SPI_SS);
-}
-
-static inline void reset_irqs(void)
-{
-	uint8_t rv;
-
-	rv = read_reg(0x07);
-	if (rv != 0b00001110)
-		write_reg(0x07, 0b01111110);
-}
-
-static inline void tx_mode(void)
-{
-	uint8_t rv;
-
-	rv = read_reg(0x00);
-	if ((rv & 0x03) != 0x02) {
-		rv |= (1 << PWR_UP);
-		rv &= ~(1 << PRIM_RX);
-		write_reg(0x00, rv);
-		_delay_ms(MODCHG_DELAY_MS);
-	}
-}
-
-static inline void rx_mode(void)
-{
-	uint8_t rv;
-
-	rv = read_reg(0x00);
-	if ((rv & 0x03) != 0x02) {
-		rv |= (1 << PWR_UP);
-		rv |= (1 << PRIM_RX);
-		write_reg(0x00, rv);
-		_delay_ms(MODCHG_DELAY_MS);
-	}
-}
-
-static inline void enable_chip(void)
-{
-	NRF_CE_PORT |= (1 << NRF_CE);
-	_delay_us(130);
-}
-
-static inline void disable_chip(void)
-{
-	NRF_CE_PORT &= ~(1 << NRF_CE);
-}
-
-static inline void flush_tx(void)
-{
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = 0b11100001;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPI_PORT |= (1 << SPI_SS);
-
-	reset_irqs();
-}
-
-void radio_flush_rx(void)
-{
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = 0b11100010;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPI_PORT |= (1 << SPI_SS);
-
-	reset_irqs();
-}
-
-static inline uint8_t rx_pdlen(void)
-{
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = 0b01100000;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPDR = NOP;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	SPI_PORT |= (1 << SPI_SS);
-	return SPDR;
-}
-
-void radio_init(const uint8_t rxaddr[ADDRLEN])
-{
-	SPI_DDR |= (1 << SPI_SS) | (1 << SPI_SCK) | (1 << SPI_MOSI);
-	SPI_PORT |= (1 << SPI_SS);
-	SPCR |= (1 << SPE) | (1 << MSTR);
-
-	NRF_CE_DDR |= (1 << NRF_CE);
-	NRF_CE_PORT &= ~(1 << NRF_CE);
-
-	_delay_ms(110); /* power on reset delay */
-
-	write_reg(0x00, 0b00111100);  /* use 2-byte CRC, enable only the rx interrupt  */
-	write_reg(0x01, 0b00111111);  /* enable auto ack on all pipes */
-	write_reg(0x02, 0b00000011);  /* enable rx address on pipes 0 and 1 */
-	write_reg(0x03, 0b00000001);  /* set address width to 3 bytes */
-	write_reg(0x04, 0b11111111);  /* 4000uS retransmission delay, 15 tries */
-	write_reg(0x05, 0b01110011);  /* use 2.515GHz channel */
-	write_reg(0x06, 0b00001110);  /* set data rate to 1Mbps */
-	write_reg(0x1D, 0b00000100);  /* enable dynamic payload length */
-	write_reg(0x1C, 0b00111111);  /* enable dynamic payload length for all pipes */
-
-	reset_irqs();
-	setaddr(0x0B, rxaddr);  /* pipe 1 for rx, pipe 0 for auto-ack */
-}
-
-void radio_listen(void)
-{
-	disable_chip();
-	rx_mode();
-	enable_chip();
-}
-
-void radio_pwr_dwn(void)
-{
-	uint8_t rv;
-
-	disable_chip();
-	rv = read_reg(0x00);
-	rv &= ~(1 << PWR_UP);
-	write_reg(0x00, rv);
-}
-
-uint8_t radio_sendto(const uint8_t addr[ADDRLEN], const char *msg, uint8_t n)
-{
-	int i, imax;
-	uint8_t cfg, rv, maxrt, txds;
-
-	disable_chip();
-
-	cfg = read_reg(0x00);
-
-	tx_mode();
-	flush_tx();
-
-	setaddr(0x10, addr);
-	setaddr(0x0A, addr);
-
-	imax = n < MAXPDLEN ? n : MAXPDLEN;
-
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = 0b10100000;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	for (i = 0; i < imax; i++) {
-		SPDR = msg[i];
-		while (!(SPSR & (1 << SPIF)))
-		;
-	}
-	SPI_PORT |= (1 << SPI_SS);
-
-	enable_chip();
-	_delay_us(12);
-	disable_chip();
-
-	txds = 0, maxrt = 0;
-	do {
-		rv = read_reg(0x07);	
-		txds = rv & (1 << 5);
-		maxrt = rv & (1 << 4);
-	} while (txds == 0 && maxrt == 0);
-
-	if (maxrt)
-		flush_tx();
-
-	// restore config, typically rx mode
-	write_reg(0x00, cfg);
-	enable_chip();
-	return txds;
-}
-
-uint8_t radio_recv(char *buf, uint8_t n)
-{
-	int readlen, pdlen, readmax;
-
-	pdlen = 0;
-	disable_chip();
-
-	pdlen = rx_pdlen();	
-	if (pdlen == 0) {
-		radio_flush_rx();
-		return 0;
-	}
-	
-	if (pdlen > MAXPDLEN) {
-		radio_flush_rx();
-		return 0;
-	}
-
-	readmax = n < pdlen ? n : pdlen;
-
-	SPI_PORT &= ~(1 << SPI_SS);
-	SPDR = 0b01100001;
-	while (!(SPSR & (1 << SPIF)))
-		;
-	for (readlen = 0; readlen < readmax; readlen++) {
-		SPDR = NOP;
-		while (!(SPSR & (1 << SPIF)))
-			;
-		buf[readlen] = SPDR;
-	}
-	SPI_PORT |= (1 << SPI_SS);
-
-	radio_flush_rx();
-	enable_chip();
-	return readlen;
-}