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| author | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-09 15:26:45 -0500 |
|---|---|---|
| committer | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-09 15:26:45 -0500 |
| commit | 669673fd4bf1e3cd5e40714fd7b2219d5e7c00cb (patch) | |
| tree | 4e68514c3aec795c8a3cda636fab14f5adee29e8 /apps | |
| parent | 68e792f9b71a46474b33d4dc6199522ff70f85d4 (diff) | |
| download | Sensor-Watch-669673fd4bf1e3cd5e40714fd7b2219d5e7c00cb.tar.gz Sensor-Watch-669673fd4bf1e3cd5e40714fd7b2219d5e7c00cb.tar.bz2 Sensor-Watch-669673fd4bf1e3cd5e40714fd7b2219d5e7c00cb.zip | |
accelerometer test: stream data to UART
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/accelerometer-test/app.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/apps/accelerometer-test/app.c b/apps/accelerometer-test/app.c index bfef132c..4dee3fe5 100644 --- a/apps/accelerometer-test/app.c +++ b/apps/accelerometer-test/app.c @@ -20,17 +20,23 @@ uint8_t ticks = 0; char buf[13] = {0}; static void cb_tick(void) { + watch_clear_indicator(WATCH_INDICATOR_SIGNAL); if (!lis2dw_have_new_data()) return; + watch_set_indicator(WATCH_INDICATOR_SIGNAL); lis2dw_reading raw_reading; lis2dw_acceleration_measurement measurement = lis2dw_get_acceleration_measurement(&raw_reading); - (void)measurement; - printf("%d, %d, %d\n", raw_reading.x, raw_reading.y, raw_reading.z); + printf("%f, %f, %f\n", measurement.x, measurement.y, measurement.z); + char buf[128]; + sprintf(buf, "%f, %f, %f\n", measurement.x, measurement.y, measurement.z); + watch_debug_puts(buf); } void app_init(void) { + watch_enable_debug_uart(9600); + watch_enable_display(); - watch_display_string("IN 0 0 0", 0); + watch_display_string("AC Strean", 0); watch_enable_external_interrupts(); watch_register_interrupt_callback(BTN_MODE, cb_mode_pressed, INTERRUPT_TRIGGER_RISING); @@ -39,8 +45,12 @@ void app_init(void) { watch_enable_i2c(); lis2dw_begin(); + lis2dw_set_data_rate(LIS2DW_DATA_RATE_25_HZ); // is this enough for training? + lis2dw_set_low_noise_mode(true); // consumes a little more power + lis2dw_set_low_power_mode(LIS2DW_LP_MODE_2); // lowest power 14-bit mode, 25 Hz is 3.5 µA @ 1.8V w/ low noise, 3µA without + lis2dw_set_range(LIS2DW_CTRL6_VAL_RANGE_4G); - watch_rtc_register_periodic_callback(cb_tick, 16); + watch_rtc_register_periodic_callback(cb_tick, 64); } void app_wake_from_backup(void) { @@ -57,7 +67,6 @@ void app_wake_from_standby(void) { bool app_loop(void) { // TODO: interrupt configuration for LIS2DW - sprintf(buf, "IN%2d%3d%3d", ticks, interrupts, last_interrupts); watch_display_string(buf, 0); return true; |