/**
* \internal
* \brief Test QDEC in rotary mode
*
* \param test Current test case.
*/
static void run_qdec_rotary_mode(
const struct test_case *test)
{
qdec_config_t config;
struct qenc_step seq[] = {
{QENC_STEP_1, 0},
{QENC_STEP_2, 1},
{QENC_STEP_3, 2},
{QENC_STEP_4, 3},
{QENC_STEP_1, 4},
{QENC_STEP_4, 4},
{QENC_STEP_1, 4},
{QENC_STEP_4, 4},
{QENC_STEP_3, 2},
{QENC_STEP_2, 1},
{QENC_STEP_1, 0},
{QENC_STEP_2, 0},
{QENC_STEP_3, 2},
};
/* Set to 0 the pins */
generator_qenc_reset();
/* QDec configuration */
qdec_get_config_defaults(&config);
qdec_config_phase_pins(&config, CONF_QDEC_PORT, CONF_QDEC_PINS_BASE,
false, 1);
qdec_config_tc(&config, CONF_QDEC_TC);
qdec_config_enable_rotary(&config);
qdec_config_revolution(&config, 8);
/* QDec enable */
qdec_enabled(&config);
/* Reenable dir out on pins */
generator_qenc_reset();
/* Launch test */
generator_qenc_seq(test, &config, seq, sizeof(seq) / sizeof(seq[0]));
}
void app_sampling_init(void)
{
/* QDec configuration */
qdec_get_config_defaults(&qdec_config);
qdec_config_phase_pins(&qdec_config, &PORTA, 6, false, 500);
qdec_config_enable_rotary(&qdec_config);
qdec_config_tc(&qdec_config, &TCC5);
qdec_config_revolution(&qdec_config, 40);
qdec_enabled(&qdec_config);
/* ! ADC module configuration */
struct adc_config adc_conf;
/* Configure the ADC module:
* - signed, 12-bit results
* - VCC reference
* - 200 kHz maximum clock rate
* - manual conversion triggering
* - callback function
*/
adc_read_configuration(&LIGHT_SENSOR_ADC_MODULE, &adc_conf);
adc_set_conversion_parameters(&adc_conf, ADC_SIGN_ON, ADC_RES_12,
ADC_REF_VCC);
adc_set_clock_rate(&adc_conf, 200000);
adc_set_conversion_trigger(&adc_conf, ADC_TRIG_MANUAL, 1, 0);
adc_write_configuration(&LIGHT_SENSOR_ADC_MODULE, &adc_conf);
adc_set_callback(&LIGHT_SENSOR_ADC_MODULE, &app_sampling_handler);
adc_enable(&LIGHT_SENSOR_ADC_MODULE);
/* Configure ADC A channel 0 for light and NTC sensors.
* - differantial measurement (V- linked on internal GND)
* - gain x0.5
* - interrupt flag set on completed conversion
* - interrupts enabled
*/
adcch_read_configuration(&LIGHT_SENSOR_ADC_MODULE, ADC_CH0,
&adcch_conf);
adcch_set_input(&adcch_conf, LIGHT_SENSOR_ADC_INPUT,
ADCCH_NEG_INTERNAL_GND, 0);
adcch_set_interrupt_mode(&adcch_conf, ADCCH_MODE_COMPLETE);
adcch_enable_interrupt(&adcch_conf);
adcch_write_configuration(&LIGHT_SENSOR_ADC_MODULE, ADC_CH0,
&adcch_conf);
fifo_init(&app_sampling_fifo_desc, app_sampling_fifo_buffer,
APP_SAMPLING_FIFO_SIZE);
rtc_set_callback(&app_sampling_start);
/* Display background */
gfx_mono_draw_line(DISPLAY_SAMPLING_TEXT_POS_X - 3,
0,
DISPLAY_SAMPLING_TEXT_POS_X - 3,
32,
GFX_PIXEL_SET);
app_sampling_display_rate();
gfx_mono_draw_string(DISPLAY_LIGHT_TEXT,
DISPLAY_LIGHT_TEXT_POS_X,
DISPLAY_LIGHT_TEXT_POS_Y,
&sysfont);
gfx_mono_draw_filled_rect(
DISPLAY_LIGHT_PROBAR_START_POS_X,
DISPLAY_LIGHT_PROBAR_START_POS_Y,
DISPLAY_LIGHT_PROBAR_START_SIZE_X,
DISPLAY_LIGHT_PROBAR_START_SIZE_Y,
GFX_PIXEL_SET);
gfx_mono_draw_filled_rect(
DISPLAY_LIGHT_PROBAR_STOP_POS_X,
DISPLAY_LIGHT_PROBAR_STOP_POS_Y,
DISPLAY_LIGHT_PROBAR_STOP_SIZE_X,
DISPLAY_LIGHT_PROBAR_STOP_SIZE_Y,
GFX_PIXEL_SET);
/* Start a RTC alarm immediatly */
rtc_set_alarm_relative(0);
}
