/** \brief Light & proximity sensor demo application entry
*
* After initializing the Xplained platform and sensor boards, this application
* attaches descriptors to the ambient light and proximity sensor devices on
* an Xplained inertial sensor board. The sensor data, which is formatted and
* printed via printf() after being read, can be viewed with a serial terminal
* application on a machine attached to the USB interface on the Xplained
* board.
*/
int main(void)
{
sensor_t light_dev; /* Light sensor device descriptor */
sensor_t prox_dev; /* Proximity sensor device descriptor */
/* Initialize the board (Xplained UC3 or XMEGA & Xplained Sensor boards)
* I/O pin mappings and any other configurable resources selected in
* the build configuration.
*/
sensor_platform_init();
/* Attach descriptors to the defined sensor devices. */
sensor_attach(&light_dev, SENSOR_TYPE_LIGHT, 0, 0);
sensor_attach(&prox_dev, SENSOR_TYPE_PROXIMITY, 0, 0);
if (light_dev.err || prox_dev.err) {
puts("\rSensor initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
/* Print sensor information */
if (PRINT_BANNER) {
static const char *const banner_format
= "%s\r\nID = 0x%02x ver. 0x%02x\r\n"
"Bandwidth = %d Hz Range = +/- %d\r\n\n";
uint32_t id;
uint8_t version;
int16_t freq, range;
sensor_device_id(&light_dev, &id, &version);
sensor_get_bandwidth(&light_dev, &freq);
sensor_get_range(&light_dev, &range);
printf(banner_format, light_dev.drv->caps.name,
(unsigned)id, (unsigned)version, freq, range);
sensor_device_id(&prox_dev, &id, &version);
sensor_get_bandwidth(&prox_dev, &freq);
sensor_get_range(&prox_dev, &range);
printf(banner_format, prox_dev.drv->caps.name,
(unsigned)id, (unsigned)version, freq, range);
delay_ms(500);
}
/* Set sample interval for the light sensor */
if (sensor_set_sample_rate(&light_dev, LIGHT_SAMPLE_RATE) != true) {
printf("Error setting light sensor sample rate.\r\n");
}
/* Set sample interval for the proximity sensor */
if (sensor_set_sample_rate(&prox_dev, PROX_SAMPLE_RATE) != true) {
printf("Error setting proximity sensor sample rate.\r\n");
}
/* Select all proximity sensor channels */
sensor_set_channel(&prox_dev, SENSOR_CHANNEL_ALL);
#if (SET_PROX_THRESHOLD == true)
/* Manually set proximity threshold values for each channel */
/* Otherwise, sensor will use values previously stored in nvram. */
sensor_set_threshold(&prox_dev, SENSOR_THRESHOLD_NEAR_PROXIMITY,
PROX_THRESHOLD);
#endif
#if (SET_PROX_CURRENT == true)
/* Manually set LED current value for each channel */
/* Otherwise, sensor will use default values. */
sensor_set_current(&prox_dev, PROX_CURRENT_mA);
#endif
/* Initialize sensor data descriptors for scaled vs. raw data. */
static sensor_data_t light_data = {.scaled = SCALED_DATA};
static sensor_data_t prox_data = {.scaled = SCALED_DATA};
while (true) {
LED_Toggle(ACTIVITY_LED);
/* Read sensor values */
sensor_get_light(&light_dev, &light_data);
sensor_get_proximity(&prox_dev, &prox_data);
/* Print sensor values */
if (SCALED_DATA) {
printf("light = [%5d]\r\n",
(int16_t)light_data.light.value);
printf("prox = 1:%s 2:%s 3:%s\r\n",
prox_labels[prox_data.proximity.value[0]],
prox_labels[prox_data.proximity.value[1]],
prox_labels[prox_data.proximity.value[2]]);
} else {
printf("light = [%5d]\r\n",
(int16_t)light_data.light.value);
printf("prox = [%.5x, %.5x, %.5x]\r\n",
(int16_t)prox_data.proximity.value[0],
(int16_t)prox_data.proximity.value[1],
(int16_t)prox_data.proximity.value[2]);
}
delay_ms(500);
}
return 0;
}
/** \brief Inertial sensor demo application entry
*
* After initializing the Xplained platform and sensor boards, this application
* attaches descriptors to the accelerometer and gyroscope devices on
* an Xplained inertial sensor board. The sensor data, which is formatted and
* printed via printf() after being read, can be viewed with a serial terminal
* application on a machine attached to the USB interface on the Xplained
* board.
*/
int main(void)
{
/* Initialize the Xplained (UC3 or XMEGA) platform & sensor boards. */
sensor_platform_init();
LED_On(ACTIVITY_LED);
/* Initialize the MCU sleep manager API and specify a sleep mode. */
sleepmgr_init();
sleepmgr_lock_mode(SLEEP_MODE);
#if (USE_ACCEL == true)
/* Attach accelerometer */
sensor_attach(&accelerometer, SENSOR_TYPE_ACCELEROMETER, 0, 0);
if (accelerometer.err) {
puts("\r\nAccelerometer initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
/* Enable motion event */
sensor_set_threshold(&accelerometer, SENSOR_THRESHOLD_MOTION,
ACCEL_MOT_THRESH);
sensor_add_event(&accelerometer, SENSOR_EVENT_MOTION,
acceleration_event, 0, true);
/* Put the accelerometer into a low-power mode (if available) */
sensor_set_state(&accelerometer, SENSOR_STATE_LOW_POWER);
#endif
#if (USE_GYRO == true)
/* Attach gyroscope */
sensor_attach(&gyroscope, SENSOR_TYPE_GYROSCOPE, 0, 0);
if (gyroscope.err) {
puts("\r\nGyroscope initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
sensor_set_sample_rate(&gyroscope, GYRO_SAMPLE_RATE);
# if (GYRO_WAKE == true)
/* Enable gyroscope new data event for wakeup */
sensor_add_event(&gyroscope, SENSOR_EVENT_NEW_DATA,
rotation_event, 0, true);
# elif (GYRO_SLEEP == true)
/* Put gyro in low-power sleep mode until accelerometer wakes system up */
sensor_set_state(&gyroscope, SENSOR_STATE_SLEEP);
# endif
#endif
while (true) {
LED_Off(ACTIVITY_LED);/* turn off while asleep */
/* Put device in low power sleep mode until woken up by an interrupt */
sleepmgr_enter_sleep(); /* enter specified sleep mode */
/* Device has woken up */
LED_On(ACTIVITY_LED); /* turn on while awake */
#if ((USE_GYRO == true) && (GYRO_WAKE == false))
# if (GYRO_SLEEP == true)
/* Wake up gyroscope, wait for device to settle */
sensor_set_state(&gyroscope, SENSOR_STATE_NORMAL);
delay_ms(GYRO_RESTART_DELAY);
/* Read gyroscope and put it back to sleep */
sensor_get_rotation(&gyroscope, &rotation);
sensor_set_state(&gyroscope, SENSOR_STATE_SLEEP);
# else
/* Read gyro in response to accelerometer wake */
sensor_get_rotation(&gyroscope, &rotation); /* read gyro now */
# endif
#endif
#if (USE_PRINTF == true)
const char *const format = SCALED_DATA ?
"acc = [%5d, %5d, %5d] rot = [%5d, %5d, %5d]\r\n"
:
"acc = [%.5x, %.5x, %.5x] rot = [%.5x, %.5x, %.5x]\r\n";
/* Print accelerometer & gyroscope values */
printf(format,
/* data from motion event handler */
(int16_t)acceleration.axis.x,
(int16_t)acceleration.axis.y,
(int16_t)acceleration.axis.z,
/* data from sensor_get_rotation() (if GYRO_WAKE==false), or
* from the gyro new data event handler */
(int16_t)rotation.axis.x,
(int16_t)rotation.axis.y,
(int16_t)rotation.axis.z
);
#endif
/* Minimum active time is 100 msec */
delay_ms(100);
}
return 0;
}
/** \brief Proximity Sensor gesture recognition demo application entry
*
* This application uses a 3-channel proximity sensor to recognize simple
* gestures. When a proximity event occurs, the routine will wake up from
* a low-power sleep mode and begin repeatedly sampling the proximity
* sensor, until the proximity of the object is no longer detected. Then
* the beginning and ending sensor readings are compared, and the overall
* direction of the object's movement is determined based on a lookup table.
*
* Once the direction is determined, it is indicate by turning on one of the
* LEDs on the controller board and (optionally) by serial output to a
* terminal device. If the direction cannot be determined, all indicator
* LEDs will be blinked rapidly.
*
* The application then resets by returning to a low-power sleep mode until
* the next proximity event is detected.
*/
int main(void)
{
uint8_t start_channels; /* First channels detecting proximity */
uint8_t current_channels; /* Current channels detecting proximity */
uint8_t end_channels; /* Final channels detecting proximity */
direction_t direction; /* Calculated gesture direction */
int i;
/* Initialize the board (Xplained UC3 or XMEGA & Xplained Sensor boards)
* I/O pin mappings and any other configurable resources selected in
* the build configuration.
*/
sensor_platform_init();
/* Turn on LEDs while initialization completes */
LED_On(UP_LED);
LED_On(DOWN_LED);
LED_On(LEFT_LED);
LED_On(RIGHT_LED);
/* Initialize the MCU sleep manager API and specify a sleep mode. */
sleepmgr_init();
sleepmgr_lock_mode(SLEEP_MODE);
/* Attach and initialize proximity sensor */
sensor_attach(&prox_dev, SENSOR_TYPE_PROXIMITY, 0, 0);
if (prox_dev.err) {
puts("\r\nProximity sensor initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
#if (USE_PRINTF == true)
uint32_t id; /* Device ID */
uint8_t version; /* Device version */
sensor_device_id(&prox_dev, &id, &version);
printf("\r\nProximity sensor: %s ID = 0x%02x ver. 0x%02x\r\n",
prox_dev.drv->caps.name, (unsigned)id,
(unsigned)version);
#endif
/* Set sample rate */
sensor_set_sample_rate(&prox_dev, PROX_SAMPLE_RATE);
/* Select all proximity sensor channels */
sensor_set_channel(&prox_dev, SENSOR_CHANNEL_ALL);
#if (SET_PROX_THRESHOLD == true)
/* Manually set proximity threshold values for each channel */
/* Otherwise, sensor will use values previously stored in nvram. */
sensor_set_threshold(&prox_dev, SENSOR_THRESHOLD_NEAR_PROXIMITY,
PROX_THRESHOLD);
#endif
#if (SET_PROX_CURRENT == true)
/* Manually set LED current value for each channel */
/* Otherwise, sensor will use default values */
sensor_set_current(&prox_dev, PROX_CURRENT_mA);
#endif
/* Set up close proximity event to wakeup system */
sensor_add_event(&prox_dev, SENSOR_EVENT_NEAR_PROXIMITY,
prox_event_handler, 0, false);
while (true) {
/* Enable proximity event */
sensor_enable_event(&prox_dev, SENSOR_EVENT_NEAR_PROXIMITY);
/* Delay before putting device to sleep */
delay_ms(10);
/* Put device in low power sleep mode; wait for an interrupt to
* wake. */
LED_Off(UP_LED);
LED_Off(DOWN_LED);
LED_Off(LEFT_LED);
LED_Off(RIGHT_LED);
/* Enter specified sleep mode */
sleepmgr_enter_sleep();
/* Only do sensor processing if proximity event woke device up */
if (prox_event_occurred) {
prox_event_occurred = false;
/* Disable new proximity events during gesture sampling */
sensor_disable_event(&prox_dev,
SENSOR_EVENT_NEAR_PROXIMITY);
/* Get starting value saved by event handler routine */
start_channels = test_channels(&prox_data);
end_channels = start_channels;
/* Loop until no longer detecting proximity */
do {
/* Get new readings from sensor */
sensor_get_proximity(&prox_dev, &prox_data);
current_channels = test_channels(&prox_data);
/* Update end value if proximity is still
* detected */
if (current_channels != CHAN_NONE) {
end_channels = current_channels;
}
} while (current_channels != CHAN_NONE);
/* Get direction from lookup table based on start/end
* channel sets */
direction = dir_tbl [start_channels] [end_channels];
#if USE_PRINTF
/* Display direction */
printf("Start: %s End: %s Direction: %s \r\n",
channel_labels[start_channels],
channel_labels[end_channels],
direction_labels[direction]);
#endif
/* Use LEDs to display direction */
switch (direction) {
case UP:
LED_On(UP_LED);
break;
case DOWN:
LED_On(DOWN_LED);
break;
case LEFT:
LED_On(LEFT_LED);
break;
case RIGHT:
LED_On(RIGHT_LED);
break;
default:
/* Unknown - blink all LEDs to indicate */
for (i = 0; i < (ERR_BLINK_COUNT * 2); i++) {
LED_Toggle(UP_LED);
LED_Toggle(DOWN_LED);
LED_Toggle(LEFT_LED);
LED_Toggle(RIGHT_LED);
delay_ms(50);
}
break;
}
}
delay_ms(500);
}
return 0;
}
/** \brief Inertial sensor demo application entry
*
* After initializing the Xplained platform and sensor boards, this application
* attaches descriptors to the accelerometer, gyroscope, and compass devices on
* an Xplained inertial sensor board. The sensor data, which is formatted and
* printed via printf() after being read, can be viewed with a serial terminal
* application on a machine attached to the USB interface on the Xplained
* board.
*/
int main(void)
{
sensor_t light_dev; /* Light sensor device descriptor */
sensor_t prox_dev; /* Proximity sensor device descriptor */
/* Initialize the board (Xplained UC3 or XMEGA & Xplained Sensor boards)
* I/O pin mappings and any other configurable resources selected in
* the build configuration.
*/
sensor_platform_init();
/* Attach descriptors to the defined sensor devices. */
sensor_attach(&light_dev, SENSOR_TYPE_LIGHT, 0, 0);
sensor_attach(&prox_dev, SENSOR_TYPE_PROXIMITY, 0, 0);
if (light_dev.err || prox_dev.err) {
puts("\rSensor initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
/* Set sample rates for light and proximity sensors */
if (sensor_set_sample_rate(&light_dev, LIGHT_SAMPLE_RATE) != true) {
printf("Error setting light sensor sample rate.\r\n");
}
if (sensor_set_sample_rate(&prox_dev, PROX_SAMPLE_RATE) != true) {
printf("Error setting proximity sensor sample rate.\r\n");
}
/* Select all proximity sensor channels */
sensor_set_channel(&prox_dev, SENSOR_CHANNEL_ALL);
#if (SET_PROX_THRESHOLD == true)
/* Manually set proximity threshold values for each channel */
/* Otherwise, sensor will use values previously stored in nvram. */
sensor_set_threshold(&prox_dev, SENSOR_THRESHOLD_NEAR_PROXIMITY,
PROX_THRESHOLD);
#endif
#if (SET_PROX_CURRENT == true)
/* Manually set LED current value for each channel */
/* Otherwise, sensor will use default values. */
sensor_set_current(&prox_dev, PROX_CURRENT_mA);
#endif
/* Initialize sensor data descriptors for scaled vs. raw data. */
static sensor_data_t light_data = {.scaled = SCALED_DATA};
static sensor_data_t prox_data = {.scaled = false};
/* Wait for user to push button before continuing */
LED_Off(ALL_LEDS);
while (!SWITCH_PRESSED) {
/* Just blink LED until button is pushed */
LED_Toggle(PROMPT_LED);
delay_ms(50);
}
LED_Off(PROMPT_LED);
while (SWITCH_PRESSED) {
/* wait until button is released */
}
/* Enable output streams for Atmel Data Visualizer (ADV) */
visual_stream_init();
while (true) {
LED_Toggle(PROMPT_LED);
/* Read sensor values */
prox_data.scaled = false;
sensor_get_light(&light_dev, &light_data);
adv_data_send_1(LIGHT_STREAM_NUM, light_data.timestamp,
light_data.light.value);
delay_ms(15);
sensor_get_proximity(&prox_dev, &prox_data);
adv_data_send_3(PROX_STREAM_NUM, light_data.timestamp,
prox_data.proximity.value[0],
prox_data.proximity.value[1],
prox_data.proximity.value[2]);
delay_ms(15);
prox_data.scaled = true;
sensor_get_proximity(&prox_dev, &prox_data);
adv_data_send_3(PROX_THRESHOLD_STREAM_NUM, light_data.timestamp,
prox_data.proximity.value[0],
prox_data.proximity.value[1],
prox_data.proximity.value[2]);
}
return 0;
}
/** \brief Inertial sensor demo application entry
*
* After initializing the Xplained platform and sensor boards, this application
* attaches descriptors to the ambient light and proximity sensor devices on
* an Xplained inertial sensor board. The sensors are configured to wake up
* the processor if given threshold values are surpassed.
*/
int main(void)
{
#if (USE_PRINTF == true)
uint32_t id; /* Device ID */
uint8_t version; /* Device version */
#endif
/* Initialize the board (Xplained UC3 or XMEGA & Xplained Sensor boards)
* I/O pin mappings and any other configurable resources selected in
* the build configuration.
*/
sensor_platform_init();
LED_On(ACTIVITY_LED);
#if (USE_PRINTF == true)
printf("\r\n");
#endif
/* Initialize the MCU sleep manager API and specify a sleep mode. */
sleepmgr_init();
sleepmgr_lock_mode(SLEEP_MODE);
#if (LIGHT_WAKE == true)
/* Attach light sensor */
sensor_attach(&light_dev, SENSOR_TYPE_LIGHT, 0, 0);
if (light_dev.err) {
puts("\r\nLight sensor initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
# if (USE_PRINTF == true)
sensor_device_id(&light_dev, &id, &version);
printf("Light sensor: %s ID = 0x%02x ver. 0x%02x\r\n",
light_dev.drv->caps.name, (unsigned)id,
(unsigned)version);
# endif
sensor_set_sample_rate(&light_dev, LIGHT_SAMPLE_RATE);
sensor_set_threshold(&light_dev, SENSOR_THRESHOLD_HIGH_LIGHT,
LIGHT_THRESH);
/* Enable high light level event for wakeup */
sensor_add_event(&light_dev, SENSOR_EVENT_HIGH_LIGHT,
light_event, 0, true);
#endif
#if (PROX_WAKE == true)
/* Attach proximity sensor */
sensor_attach(&prox_dev, SENSOR_TYPE_PROXIMITY, 0, 0);
if (prox_dev.err) {
puts("\r\nProximity sensor initialization error.");
while (true) {
/* Error occurred, loop forever */
}
}
# if (USE_PRINTF == true)
sensor_device_id(&prox_dev, &id, &version);
printf("Proximity sensor: %s ID = 0x%02x ver. 0x%02x\r\n",
prox_dev.drv->caps.name, (unsigned)id,
(unsigned)version);
# endif
sensor_set_sample_rate(&prox_dev, PROX_SAMPLE_RATE);
/* Select all proximity sensor channels */
sensor_set_channel(&prox_dev, 0);
# if (SET_PROX_THRESHOLD == true)
/* Manually set proximity threshold values for each channel */
/* Otherwise, sensor will use values previously stored in nvram. */
sensor_set_threshold(&prox_dev, SENSOR_THRESHOLD_NEAR_PROXIMITY,
PROX_THRESHOLD);
# endif
# if (SET_PROX_CURRENT == true)
/* Manually set LED current value for each channel */
/* Otherwise, sensor will use default values. */
sensor_set_current(&prox_dev, PROX_CURRENT_mA);
# endif
/* Enable near proximity event for wakeup */
sensor_add_event(&prox_dev, SENSOR_EVENT_NEAR_PROXIMITY,
prox_event, 0, true);
#endif
while (true) {
LED_Off(ACTIVITY_LED);
/* Put device in low power sleep mode; wait for an interrupt to
* wake. */
sleepmgr_enter_sleep();
/* Device has woken up */
LED_On(ACTIVITY_LED);
#if (USE_PRINTF == true)
# if (LIGHT_WAKE == true)
if (light_event_occurred) {
light_event_occurred = false;
printf("light level = %5d\r\n",
(int16_t)light_data.light.value);
}
# endif
# if (PROX_WAKE == true)
if (prox_event_occurred) {
prox_event_occurred = false;
printf("proximity: source channel=%d time=%010ld ",
prox_channel, prox_data.timestamp);
if (SCALED_DATA) {
printf("Chan1:%s Chan2:%s Chan3:%s\r\n",
prox_labels[prox_data.proximity.value[0]],
prox_labels[prox_data.proximity.value[1]],
prox_labels[prox_data.proximity.value[2]]);
} else {
printf("Chan1:%4d Chan2:%4d Chan3:%4d\r\n",
(int16_t)prox_data.proximity.value[0],
(int16_t)prox_data.proximity.value[1],
(int16_t)prox_data.proximity.value[2]);
}
}
# endif
#endif
delay_ms(500);
}
return 0;
}
/**
* \brief Example application entry routine
*/
int main(void)
{
/* The sensor_platform_init() function will initialize the system
* clock and sensor bus support in addition to configuring the
* XMEGA-A3BU and Sensor Xplained boards.
*
* Use gfx_mono_init() to initialize the monochrome graphical system
* API then write a splash screen after enabling the LCD display
* backlight and setting the contrast.
*
* The MCU is going to be put in a sleep mode, so initialize the
* sleep manager API with a call to the sleepmgr_init() routine.
*/
sensor_platform_init();
gfx_mono_init();
sleepmgr_init();
gpio_set_pin_high(NHD_C12832A1Z_BACKLIGHT);
st7565r_set_contrast(ST7565R_DISPLAY_CONTRAST_MIN);
/* Attach an accelerometer on a Sensors Xplained board. */
sensor_t accelerometer;
sensor_attach(&accelerometer, SENSOR_TYPE_ACCELEROMETER, 0, 0);
/* Enable the accelerometer low-g (free fall) event. */
sensor_enable_event(&accelerometer, SENSOR_EVENT_LOW_G);
/* Set the free fall threshold (low-g event), bandwidth and range. */
sensor_set_threshold(&accelerometer, SENSOR_THRESHOLD_LOW_G,
LOW_G_THRESHOLD);
sensor_set_bandwidth(&accelerometer, BANDWIDTH);
sensor_set_range(&accelerometer, RANGE);
while (true) {
/* Put the accelerometer into a low-power mode (if available). */
sensor_set_state(&accelerometer, SENSOR_STATE_LOW_POWER);
LED_Off(ACCEL_LED);
clear_screen();
/* Display the "armed" message and put the MCU in sleep mode. */
gfx_mono_draw_string("ATMEL Drop Demo\r\nXMEGA Powered Down\r\n"
"g Sensor Armed", 1, 5, &sysfont);
sleepmgr_lock_mode(SLEEP_MODE);
sleepmgr_enter_sleep();
/* The following runs after the MCU has been woken by an
* external low-g interrupt from the accelerometer.
*
* Turn on the red LED while falling and put the accelerometer
* into a high-power mode (if available) to sample date points.
*/
LED_On(ACCEL_LED);
sensor_set_state(&accelerometer, SENSOR_STATE_HIGHEST_POWER);
static scalar_t acceleration_waveform[DATA_SAMPLE_COUNT];
scalar_t acceleration_max = 0;
for (int data_count = 0; data_count < DATA_SAMPLE_COUNT;
++data_count) {
acceleration_waveform[data_count] = 0;
for (int i = 0; i < SAMPLE_AVG_COUNT; ++i) {
/* Calculate the gravity vector magnitude. */
vector3_t gvec;
sensor_get_vector(&accelerometer, &gvec);
scalar_t const acceleration_magnitude
= vector3_magnitude(&gvec);
/* Store the maximum g magnitude for this
* sub-group. */
if (acceleration_magnitude >
acceleration_waveform[data_count]) {
acceleration_waveform[data_count]
= acceleration_magnitude;
}
/* Store the maximum g magnitude for the whole
* data set. */
if (acceleration_magnitude > acceleration_max) {
acceleration_max = acceleration_magnitude;
}
}
}
clear_screen();
/* Turn the max acceleration into a string and convert to g. */
static char max_g_string[20];
if (acceleration_max > LOW_G_SATURATION) {
sprintf(max_g_string, "g Sensor Saturated");
} else {
sprintf(max_g_string, "Peak = %02.2f g",
acceleration_max / 1000);
}
/* Print the max g on the monochrome display. */
gfx_mono_draw_string("Drop Detected", 1, 5, &sysfont);
gfx_mono_draw_string(max_g_string, 1, 13, &sysfont);
gfx_mono_draw_string("Press SW1 for chart", 1, 21, &sysfont);
do {
LED_Toggle(ACCEL_LED);
delay_ms(100);
} while (!switch_pressed(SW1));
/* Plot the collected data points to create the waveform chart. */
clear_screen();
screen_border();
for (int data_count = 0; data_count < DATA_SAMPLE_COUNT; ++data_count) {
gfx_mono_draw_filled_circle(data_count,
32 -
(acceleration_waveform[data_count] / 500), 1,
GFX_PIXEL_SET, GFX_WHOLE);
}
do {
LED_Toggle(PROMPT_LED);
delay_ms(100);
} while (!switch_pressed(SW1));
LED_Off(PROMPT_LED);
}
}