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https://github.com/DarkFlippers/unleashed-firmware.git
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0b19fd29e6
* Correct for pulse duration cumulative discrepancy * Add infrared test application * Build infrared_test_app for f7 only Co-authored-by: あく <alleteam@gmail.com>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#include <furi.h>
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#include <furi_hal_infrared.h>
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#define TAG "InfraredTest"
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#define CARRIER_FREQ_HZ (38000UL)
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#define CARRIER_DUTY (0.33f)
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#define BURST_DURATION_US (600UL)
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#define BURST_COUNT (50UL)
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typedef struct {
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bool level;
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uint32_t count;
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} InfraredTestApp;
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static FuriHalInfraredTxGetDataState
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infrared_test_app_tx_data_callback(void* context, uint32_t* duration, bool* level) {
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furi_assert(context);
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furi_assert(duration);
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furi_assert(level);
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InfraredTestApp* app = context;
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*duration = BURST_DURATION_US;
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*level = app->level;
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app->level = !app->level;
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app->count += 1;
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if(app->count < BURST_COUNT * 2) {
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return FuriHalInfraredTxGetDataStateOk;
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} else {
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return FuriHalInfraredTxGetDataStateLastDone;
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}
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}
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int32_t infrared_test_app(void* arg) {
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UNUSED(arg);
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InfraredTestApp app = {
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.level = true,
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};
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FURI_LOG_I(TAG, "Starting test signal on PA7");
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furi_hal_infrared_set_tx_output(FuriHalInfraredTxPinExtPA7);
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furi_hal_infrared_async_tx_set_data_isr_callback(infrared_test_app_tx_data_callback, &app);
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furi_hal_infrared_async_tx_start(CARRIER_FREQ_HZ, CARRIER_DUTY);
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furi_hal_infrared_async_tx_wait_termination();
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furi_hal_infrared_set_tx_output(FuriHalInfraredTxPinInternal);
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FURI_LOG_I(TAG, "Test signal end");
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FURI_LOG_I(
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TAG,
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"The measured signal should be %luus +-%.1fus",
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(app.count - 1) * BURST_DURATION_US,
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(double)1000000.0 / CARRIER_FREQ_HZ);
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return 0;
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}
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