#include "mraa/iio.h"
static void
-printword(uint16_t input, mraa_iio_channel *chan)
+printword(uint16_t input, mraa_iio_channel* chan)
{
int16_t res;
if (!chan->lendian) {
- input = be16toh(input);
+ input = be16toh(input);
} else {
- input = le16toh(input);
+ input = le16toh(input);
}
input >>= chan->shift;
} else {
res = input;
}
- printf(" value = %05f\n", chan->index, (float)res);
+ printf(" value = %05f\n", (float) res);
}
mraa_iio_context iio_device0;
+mraa_iio_context iio_device6;
void
interrupt(char* data)
printf("channel %d - bytes %d\n", channels[i].index, channels[i].bytes);
switch (channels[i].bytes) {
case 2:
- printword(*(uint16_t *)(data + channels[i].location), &channels[i]);
+ printword(*(uint16_t*) (data + channels[i].location), &channels[i]);
}
}
}
}
+void
+event_interrupt(struct iio_event_data* data)
+{
+ int chan_type;
+ int modifier;
+ int type;
+ int direction;
+ int channel;
+ int channel2;
+ int different;
+ mraa_iio_event_extract_event(data, &chan_type, &modifier, &type, &direction, &channel, &channel2, &different);
+
+ printf("event time %lld id %lld extracted chan_type %d modifier %d type %d direction %d "
+ "channel %d channel2 %d different %d\n",
+ data->timestamp, data->id, chan_type, modifier, type, direction, channel, channel2, different);
+}
+
int
main()
{
return EXIT_FAILURE;
}
- float iio_value;
- mraa_result_t ret = mraa_iio_read(iio_device0, "in_voltage0_raw", &iio_value);
+ float iio_float;
+ int iio_int;
+ mraa_result_t ret;
+
+ ret = mraa_iio_write_float(iio_device0, "in_accel_scale", 0.019163);
+ if (ret == MRAA_SUCCESS) {
+ fprintf(stdout, "IIO write success\n");
+ }
+
+ ret = mraa_iio_read_float(iio_device0, "in_accel_scale", &iio_float);
+ if (ret == MRAA_SUCCESS) {
+ fprintf(stdout, "IIO read %f\n", iio_float);
+ }
+
+ ret = mraa_iio_write_int(iio_device0, "scan_elements/in_accel_x_en", 1);
if (ret == MRAA_SUCCESS) {
- fprintf(stdout, "IIO read %f\n", iio_value);
+ fprintf(stdout, "IIO write success\n");
+ }
+
+ ret = mraa_iio_read_int(iio_device0, "scan_elements/in_accel_x_en", &iio_int);
+ if (ret == MRAA_SUCCESS) {
+ fprintf(stdout, "IIO read %d\n", iio_int);
}
if (mraa_iio_trigger_buffer(iio_device0, interrupt, NULL) == MRAA_SUCCESS) {
return EXIT_SUCCESS;
}
+ /*
+ struct iio_event_data event;
+ iio_device6 = mraa_iio_init(6);
+ if (iio_device6 == NULL) {
+ return EXIT_FAILURE;
+ }
+ mraa_iio_write_int(iio_device6, "events/in_proximity2_thresh_either_en", 1);
+
+
+ // Blocking until event fired
+ if (mraa_iio_event_poll(iio_device6, &event) == MRAA_SUCCESS) {
+ event_interrupt(&event); //just to show data
+ }
+
+ if (mraa_iio_event_setup_callback(iio_device6, event_interrupt, NULL) == MRAA_SUCCESS) {
+ sleep(100);
+ return EXIT_SUCCESS;
+ }*/
+
//! [Interesting]
return EXIT_FAILURE;
}