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rp2040-rx : add Fritzing sketch

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This commit is contained in:
Georgi Gerganov
2022-07-23 15:55:15 +03:00
parent 84cdf0a0bd
commit 6d45899b80
5 changed files with 11 additions and 6 deletions
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10
examples/esp32-rx/esp32-rx.ino
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@@ -328,15 +328,15 @@ void loop() {
size_t bytes_read = 0;
i2s_read(i2s_port, sampleBufferRaw, sizeof(TSampleInput)*samplesPerFrame, &bytes_read, portMAX_DELAY);
int samples_read = bytes_read/sizeof(TSampleInput);
if (samples_read != samplesPerFrame) {
int nSamples = bytes_read/sizeof(TSampleInput);
if (nSamples != samplesPerFrame) {
Serial.println("Failed to read samples");
return;
}
#if defined(MIC_ANALOG)
// the ADC samples are 12-bit so we need to do some massaging to make them 16-bit
for (int i = 0; i < samples_read; i += 2) {
for (int i = 0; i < nSamples; i += 2) {
auto & s0 = sampleBuffer[i];
auto & s1 = sampleBuffer[i + 1];
@@ -350,14 +350,14 @@ void loop() {
#endif
#if defined(MIC_I2S) || defined(MIC_I2S_SPH0645)
for (int i = 0; i < samples_read; ++i) {
for (int i = 0; i < nSamples; ++i) {
sampleBuffer[i] = (sampleBufferRaw[i] & 0xFFFFFFF0) >> 11;
}
#endif
}
// Use this with the serial plotter to observe real-time audio signal
//for (int i = 0; i < samples_read; i++) {
//for (int i = 0; i < nSamples; i++) {
// Serial.println(sampleBuffer[i]);
//}