gyroscope: Rename to gyro

1 files changed, 0 insertions, 77 deletions

diff --git a/gyroscope.c b/gyroscope.c
deleted file mode 100644
index 23fa197..0000000
--- a/gyroscope.c
+++ /dev/null
@@ -1,77 +0,0 @@
-#include <stdio.h>
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <avr/sleep.h>
-
-#include "i2c.h"
-#include "gyroscope.h"
-
-/* device address */
-#define L3GD20 0b11010100
-/* registers */
-#define L3GD20_WHOAMI 0xf
-#define L3GD20_CTRLREG1 0x20
-#define L3GD20_CTRLREG3 0x22
-#define L3GD20_CTRLREG4 0x23
-
-#define sleepwhile(cond) \
-	sleep_enable (); \
-	while (cond) { sleep_cpu (); } \
-	sleep_disable ();
-
-/* the first interrupt is lost */
-volatile bool drdy = true;
-volatile int16_t val[3] = {0, 0, 0};
-
-/* data ready interrupt
- */
-ISR(PCINT0_vect) {
-	drdy = true;
-}
-
-void gyroscopeInit () {
-	/* set PB1 to input, with pull-up */
-	DDRB = (DDRB & ~((1 << PB1)));
-	PORTB = (PORTB | (1 << PB1));
-	/* enable interrupt PCI0 */
-	PCICR = (1 << PCIE0);
-	/* enable interrupts on PB1/PCINT1 */
-	PCMSK0 = (1 << 1);
-}
-
-/* XXX: make nonblocking */
-void gyroscopeStart () {
-	/* configuration:
-	 * disable power-down-mode
-	 * defaults
-	 * enable drdy interrupt
-	 * select 500dps
-	 */
-	uint8_t data[] = {0b00001111, 0b0, 0b00001000, 0b00010000};
-
-	if (!twRequest (TWM_WRITE, L3GD20, L3GD20_CTRLREG1, data,
-			sizeof (data)/sizeof (*data))) {
-		printf ("cannot start write\n");
-	}
-	sleepwhile (twr.status == TWST_WAIT);
-	printf ("final twi status was %i\n", twr.status);
-}
-
-bool gyroscopeRead () {
-	if (drdy) {
-		drdy = false;
-
-		if (!twRequest (TWM_READ, L3GD20, 0x28, (uint8_t *) val, 6)) {
-			printf ("cannot start read\n");
-		}
-
-		return true;
-	} else {
-		return false;
-	}
-}
-
-volatile const int16_t *gyroscopeGet () {
-	return val;
-}
-