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Debugging qrdecode

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This commit is contained in:
Thomas Farstrike
2025-05-12 22:10:15 +02:00
parent 053595a236
commit 170ec4faeb
2 changed files with 20 additions and 18 deletions
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c_mpos/src/quirc_decode.c
+12 -10
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@@ -12,10 +12,7 @@ static const char *TAG = "qrdecode";
// Function to decode a QR code from a grayscale image buffer
static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
printf("qrdecode: Starting\n");
ESP_LOGI(TAG, "qrdecode starting");
QRDECODE_DEBUG_PRINT("mp_printf works in qrdecode!");
fflush(stdout);
QRDECODE_DEBUG_PRINT("qrdecode: Starting\n");
// Check argument count (expecting buffer, width, height)
QRDECODE_DEBUG_PRINT("qrdecode: Checking argument count\n");
@@ -62,7 +59,6 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
mp_raise_OSError(MP_ENOMEM);
}
QRDECODE_DEBUG_PRINT("qrdecode: quirc initialized\n");
QRDECODE_DEBUG_PRINT("mp_printf works in qrdecode!");
fflush(stdout);
// Resize quirc for the image dimensions
@@ -83,10 +79,10 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
image = quirc_begin(qr, NULL, NULL); // Get pointer to quirc's image buffer
QRDECODE_DEBUG_PRINT("qrdecode: quirc image buffer obtained\n");
fflush(stdout);
QRDECODE_DEBUG_PRINT("qrdecode: Copying buffer, size=%zu\n", (size_t)(width * height));
QRDECODE_DEBUG_PRINT("qrdecode: Copying buffer, size=%ul\n", (size_t)(width * height));
fflush(stdout);
memcpy(image, bufinfo.buf, width * height);
QRDECODE_DEBUG_PRINT
QRDECODE_DEBUG_PRINT("qrdecode: Buffer copied\n");
fflush(stdout);
quirc_end(qr);
QRDECODE_DEBUG_PRINT("qrdecode: quirc processing ended\n");
@@ -102,6 +98,7 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
quirc_destroy(qr);
mp_raise_ValueError(MP_ERROR_TEXT("no QR code found"));
}
// it works until here, it finds 1 QR code!
// Extract and decode the first QR code
QRDECODE_DEBUG_PRINT("qrdecode: Extracting first QR code\n");
@@ -110,6 +107,7 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
quirc_extract(qr, 0, &code);
QRDECODE_DEBUG_PRINT("qrdecode: QR code extracted\n");
fflush(stdout);
// it works until here!
// Decode the QR code
QRDECODE_DEBUG_PRINT("qrdecode: Decoding QR code\n");
@@ -122,7 +120,10 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
}
QRDECODE_DEBUG_PRINT("qrdecode: QR code decoded, payload_len=%d\n", data.payload_len);
fflush(stdout);
QRDECODE_DEBUG_PRINT("qrdecode: got result: %s\n", data.payload);
fflush(stdout);
QRDECODE_DEBUG_PRINT("ok so now what?!");
/*
// Convert decoded data to Python string
QRDECODE_DEBUG_PRINT("qrdecode: Creating Python string\n");
fflush(stdout);
@@ -136,10 +137,11 @@ static mp_obj_t qrdecode(mp_uint_t n_args, const mp_obj_t *args) {
quirc_destroy(qr);
QRDECODE_DEBUG_PRINT("qrdecode: quirc destroyed\n");
fflush(stdout);
*/
printf("qrdecode: Returning result\n");
return result;
//return mp_const_none; // MicroPython functions typically return None
//return result;
return mp_const_none; // MicroPython functions typically return None
}
// Wrapper function to fix incompatible pointer type warning