*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#if HAS_MPU6000
-static uint8_t ao_mpu6000_wake;
static uint8_t ao_mpu6000_configured;
#ifndef AO_MPU6000_I2C_INDEX
#else
ao_i2c_get(AO_MPU6000_I2C_INDEX);
ao_i2c_start(AO_MPU6000_I2C_INDEX, MPU6000_ADDR_WRITE);
- ao_i2c_send(d, 2, AO_MPU6000_I2C_INDEX, TRUE);
+ ao_i2c_send(d, 2, AO_MPU6000_I2C_INDEX, true);
ao_i2c_put(AO_MPU6000_I2C_INDEX);
#endif
}
#else
ao_i2c_get(AO_MPU6000_I2C_INDEX);
ao_i2c_start(AO_MPU6000_I2C_INDEX, MPU6000_ADDR_WRITE);
- ao_i2c_send(&addr, 1, AO_MPU6000_I2C_INDEX, FALSE);
+ ao_i2c_send(&addr, 1, AO_MPU6000_I2C_INDEX, false);
ao_i2c_start(AO_MPU6000_I2C_INDEX, MPU6000_ADDR_READ);
- ao_i2c_recv(data, len, AO_MPU6000_I2C_INDEX, TRUE);
+ ao_i2c_recv(data, len, AO_MPU6000_I2C_INDEX, true);
ao_i2c_put(AO_MPU6000_I2C_INDEX);
#endif
}
#else
ao_i2c_get(AO_MPU6000_I2C_INDEX);
ao_i2c_start(AO_MPU6000_I2C_INDEX, MPU6000_ADDR_WRITE);
- ao_i2c_send(&addr, 1, AO_MPU6000_I2C_INDEX, FALSE);
+ ao_i2c_send(&addr, 1, AO_MPU6000_I2C_INDEX, false);
ao_i2c_start(AO_MPU6000_I2C_INDEX, MPU6000_ADDR_READ);
- ao_i2c_recv(&value, 1, AO_MPU6000_I2C_INDEX, TRUE);
+ ao_i2c_recv(&value, 1, AO_MPU6000_I2C_INDEX, true);
ao_i2c_put(AO_MPU6000_I2C_INDEX);
#endif
return value;
#endif
static uint8_t
-ao_mpu6000_accel_check(int16_t normal, int16_t test, char *which)
+ao_mpu6000_accel_check(int16_t normal, int16_t test)
{
int16_t diff = test - normal;
- if (diff < MPU6000_ST_ACCEL(16) / 2) {
+ if (diff < MPU6000_ST_ACCEL(16) / 4) {
return 1;
}
- if (diff > MPU6000_ST_ACCEL(16) * 2) {
+ if (diff > MPU6000_ST_ACCEL(16) * 4) {
return 1;
}
return 0;
}
static uint8_t
-ao_mpu6000_gyro_check(int16_t normal, int16_t test, char *which)
+ao_mpu6000_gyro_check(int16_t normal, int16_t test)
{
int16_t diff = test - normal;
if (diff < 0)
diff = -diff;
- if (diff < MPU6000_ST_GYRO(2000) / 2) {
+ if (diff < MPU6000_ST_GYRO(2000) / 4) {
return 1;
}
- if (diff > MPU6000_ST_GYRO(2000) * 2) {
+ if (diff > MPU6000_ST_GYRO(2000) * 4) {
return 1;
}
return 0;
ao_panic(AO_PANIC_SELF_TEST_MPU6000);
}
+#define ST_TRIES 10
+
static void
_ao_mpu6000_setup(void)
{
struct ao_mpu6000_sample normal_mode, test_mode;
- int errors =0;
+ int errors;
+ int st_tries;
if (ao_mpu6000_configured)
return;
_ao_mpu6000_wait_alive();
/* Reset the whole chip */
-
+
_ao_mpu6000_reg_write(MPU6000_PWR_MGMT_1,
(1 << MPU6000_PWR_MGMT_1_DEVICE_RESET));
(MPU6000_CONFIG_EXT_SYNC_SET_DISABLED << MPU6000_CONFIG_EXT_SYNC_SET) |
(MPU6000_CONFIG_DLPF_CFG_260_256 << MPU6000_CONFIG_DLPF_CFG));
- /* Configure accelerometer to +/-16G in self-test mode */
- _ao_mpu6000_reg_write(MPU6000_ACCEL_CONFIG,
- (1 << MPU600_ACCEL_CONFIG_XA_ST) |
- (1 << MPU600_ACCEL_CONFIG_YA_ST) |
- (1 << MPU600_ACCEL_CONFIG_ZA_ST) |
- (MPU600_ACCEL_CONFIG_AFS_SEL_16G << MPU600_ACCEL_CONFIG_AFS_SEL));
-
- /* Configure gyro to +/- 2000°/s in self-test mode */
- _ao_mpu6000_reg_write(MPU6000_GYRO_CONFIG,
- (1 << MPU600_GYRO_CONFIG_XG_ST) |
- (1 << MPU600_GYRO_CONFIG_YG_ST) |
- (1 << MPU600_GYRO_CONFIG_ZG_ST) |
- (MPU600_GYRO_CONFIG_FS_SEL_2000 << MPU600_GYRO_CONFIG_FS_SEL));
-
- ao_delay(AO_MS_TO_TICKS(200));
- _ao_mpu6000_sample(&test_mode);
-
#if TRIDGE
// read the product ID rev c has 1/2 the sensitivity of rev d
_mpu6000_product_id = _register_read(MPUREG_PRODUCT_ID);
register_write(MPUREG_ACCEL_CONFIG,2<<3);
}
hal.scheduler->delay(1);
-
#endif
- /* Configure accelerometer to +/-16G */
- _ao_mpu6000_reg_write(MPU6000_ACCEL_CONFIG,
- (0 << MPU600_ACCEL_CONFIG_XA_ST) |
- (0 << MPU600_ACCEL_CONFIG_YA_ST) |
- (0 << MPU600_ACCEL_CONFIG_ZA_ST) |
- (MPU600_ACCEL_CONFIG_AFS_SEL_16G << MPU600_ACCEL_CONFIG_AFS_SEL));
-
- /* Configure gyro to +/- 2000°/s */
- _ao_mpu6000_reg_write(MPU6000_GYRO_CONFIG,
- (0 << MPU600_GYRO_CONFIG_XG_ST) |
- (0 << MPU600_GYRO_CONFIG_YG_ST) |
- (0 << MPU600_GYRO_CONFIG_ZG_ST) |
- (MPU600_GYRO_CONFIG_FS_SEL_2000 << MPU600_GYRO_CONFIG_FS_SEL));
-
- ao_delay(AO_MS_TO_TICKS(10));
- _ao_mpu6000_sample(&normal_mode);
-
- errors += ao_mpu6000_accel_check(normal_mode.accel_x, test_mode.accel_x, "x");
- errors += ao_mpu6000_accel_check(normal_mode.accel_y, test_mode.accel_y, "y");
- errors += ao_mpu6000_accel_check(normal_mode.accel_z, test_mode.accel_z, "z");
-
- errors += ao_mpu6000_gyro_check(normal_mode.gyro_x, test_mode.gyro_x, "x");
- errors += ao_mpu6000_gyro_check(normal_mode.gyro_y, test_mode.gyro_y, "y");
- errors += ao_mpu6000_gyro_check(normal_mode.gyro_z, test_mode.gyro_z, "z");
-
- if (errors)
- ao_panic(AO_PANIC_SELF_TEST_MPU6000);
+ for (st_tries = 0; st_tries < ST_TRIES; st_tries++) {
+ errors = 0;
+
+ /* Configure accelerometer to +/-16G in self-test mode */
+ _ao_mpu6000_reg_write(MPU6000_ACCEL_CONFIG,
+ (1 << MPU600_ACCEL_CONFIG_XA_ST) |
+ (1 << MPU600_ACCEL_CONFIG_YA_ST) |
+ (1 << MPU600_ACCEL_CONFIG_ZA_ST) |
+ (MPU600_ACCEL_CONFIG_AFS_SEL_16G << MPU600_ACCEL_CONFIG_AFS_SEL));
+
+ /* Configure gyro to +/- 2000°/s in self-test mode */
+ _ao_mpu6000_reg_write(MPU6000_GYRO_CONFIG,
+ (1 << MPU600_GYRO_CONFIG_XG_ST) |
+ (1 << MPU600_GYRO_CONFIG_YG_ST) |
+ (1 << MPU600_GYRO_CONFIG_ZG_ST) |
+ (MPU600_GYRO_CONFIG_FS_SEL_2000 << MPU600_GYRO_CONFIG_FS_SEL));
+
+ ao_delay(AO_MS_TO_TICKS(200));
+ _ao_mpu6000_sample(&test_mode);
+
+ /* Configure accelerometer to +/-16G */
+ _ao_mpu6000_reg_write(MPU6000_ACCEL_CONFIG,
+ (0 << MPU600_ACCEL_CONFIG_XA_ST) |
+ (0 << MPU600_ACCEL_CONFIG_YA_ST) |
+ (0 << MPU600_ACCEL_CONFIG_ZA_ST) |
+ (MPU600_ACCEL_CONFIG_AFS_SEL_16G << MPU600_ACCEL_CONFIG_AFS_SEL));
+
+ /* Configure gyro to +/- 2000°/s */
+ _ao_mpu6000_reg_write(MPU6000_GYRO_CONFIG,
+ (0 << MPU600_GYRO_CONFIG_XG_ST) |
+ (0 << MPU600_GYRO_CONFIG_YG_ST) |
+ (0 << MPU600_GYRO_CONFIG_ZG_ST) |
+ (MPU600_GYRO_CONFIG_FS_SEL_2000 << MPU600_GYRO_CONFIG_FS_SEL));
+
+ ao_delay(AO_MS_TO_TICKS(200));
+ _ao_mpu6000_sample(&normal_mode);
+
+ errors += ao_mpu6000_accel_check(normal_mode.accel_x, test_mode.accel_x);
+ errors += ao_mpu6000_accel_check(normal_mode.accel_y, test_mode.accel_y);
+ errors += ao_mpu6000_accel_check(normal_mode.accel_z, test_mode.accel_z);
+
+ errors += ao_mpu6000_gyro_check(normal_mode.gyro_x, test_mode.gyro_x);
+ errors += ao_mpu6000_gyro_check(normal_mode.gyro_y, test_mode.gyro_y);
+ errors += ao_mpu6000_gyro_check(normal_mode.gyro_z, test_mode.gyro_z);
+ if (!errors)
+ break;
+ }
+
+ if (st_tries == ST_TRIES)
+ ao_sensor_errors = 1;
/* Filter to about 100Hz, which also sets the gyro rate to 1000Hz */
_ao_mpu6000_reg_write(MPU6000_CONFIG,
/* Set sample rate divider to sample at 200Hz (v = gyro/rate - 1) */
_ao_mpu6000_reg_write(MPU6000_SMPRT_DIV,
1000 / 200 - 1);
-
+
ao_delay(AO_MS_TO_TICKS(100));
ao_mpu6000_configured = 1;
}
static void
ao_mpu6000(void)
{
+ struct ao_mpu6000_sample sample;
/* ao_mpu6000_init already grabbed the SPI bus and mutex */
_ao_mpu6000_setup();
#if AO_MPU6000_SPI
#if AO_MPU6000_SPI
ao_mpu6000_spi_get();
#endif
- _ao_mpu6000_sample(&ao_mpu6000_current);
+ _ao_mpu6000_sample(&sample);
#if AO_MPU6000_SPI
ao_mpu6000_spi_put();
-#endif
- ao_arch_critical(
- AO_DATA_PRESENT(AO_DATA_MPU6000);
- AO_DATA_WAIT();
- );
+#endif
+ ao_arch_block_interrupts();
+ ao_mpu6000_current = sample;
+ AO_DATA_PRESENT(AO_DATA_MPU6000);
+ AO_DATA_WAIT();
+ ao_arch_release_interrupts();
}
}
static void
ao_mpu6000_show(void)
{
- struct ao_data sample;
-
- ao_data_get(&sample);
printf ("Accel: %7d %7d %7d Gyro: %7d %7d %7d\n",
- sample.mpu6000.accel_x,
- sample.mpu6000.accel_y,
- sample.mpu6000.accel_z,
- sample.mpu6000.gyro_x,
- sample.mpu6000.gyro_y,
- sample.mpu6000.gyro_z);
+ ao_mpu6000_current.accel_x,
+ ao_mpu6000_current.accel_y,
+ ao_mpu6000_current.accel_z,
+ ao_mpu6000_current.gyro_x,
+ ao_mpu6000_current.gyro_y,
+ ao_mpu6000_current.gyro_z);
}
static const struct ao_cmds ao_mpu6000_cmds[] = {
ao_mpu6000_configured = 0;
ao_add_task(&ao_mpu6000_task, ao_mpu6000, "mpu6000");
-
+
#if AO_MPU6000_SPI
ao_spi_init_cs(AO_MPU6000_SPI_CS_PORT, (1 << AO_MPU6000_SPI_CS_PIN));
ao_cur_task = &ao_mpu6000_task;
ao_spi_get(AO_MPU6000_SPI_BUS, AO_SPI_SPEED_1MHz);
ao_cur_task = NULL;
-#endif
+#endif
ao_cmd_register(&ao_mpu6000_cmds[0]);
}
projects / fw / altos / blobdiff