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ESP32AMRadioTransmitter
kopia lustrzana https://github.com/bitluni/ESP32AMRadioTransmitter
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Update code to compile with latest Arduino core (2.0.3)

pull/8/head
Oleksandr Perepadia 2022-05-22 15:13:39 +03:00
rodzic 79486c4981
commit 1835bd34d7
2 zmienionych plików z 8 dodań i 6 usunięć
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7
AMTransmitterI2S/AMTransmitterI2S.ino
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@ -14,7 +14,7 @@ static const i2s_config_t i2s_config = {
.sample_rate = 1000000, //not really used
.bits_per_sample = (i2s_bits_per_sample_t)I2S_BITS_PER_SAMPLE_16BIT,
.channel_format = I2S_CHANNEL_FMT_ONLY_RIGHT,
.communication_format = I2S_COMM_FORMAT_I2S_MSB,
.communication_format = I2S_COMM_FORMAT_STAND_MSB,
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1,
.dma_buf_count = 2,
.dma_buf_len = 1024 //big buffers to avoid noises
@ -23,7 +23,7 @@ static const i2s_config_t i2s_config = {
void setup()
{
Serial.begin(115200);
rtc_clk_cpu_freq_set(RTC_CPU_FREQ_240M); //highest cpu frequency
setCpuFrequencyMhz(240); //highest cpu frequency
i2s_driver_install(i2s_num, &i2s_config, 0, NULL); //start i2s driver
i2s_set_pin(i2s_num, NULL); //use internal DAC
i2s_set_sample_rates(i2s_num, 1000000); //dummy sample rate, since the function fails at high values
@ -66,5 +66,6 @@ void loop()
pos = posLow = 0;
}
//write the buffer (waits until a buffer is ready to be filled, that's timing for free)
i2s_write_bytes(i2s_num, (char*)buff, sizeof(buff), portMAX_DELAY);
size_t bytes_written;
i2s_write(i2s_num, (char*)buff, sizeof(buff), &bytes_written, portMAX_DELAY);
}

7
AMTransmitterI2SButton/AMTransmitterI2SButton.ino
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@ -19,7 +19,7 @@ static const i2s_config_t i2s_config = {
.sample_rate = 1000000, //not really used
.bits_per_sample = (i2s_bits_per_sample_t)I2S_BITS_PER_SAMPLE_16BIT,
.channel_format = I2S_CHANNEL_FMT_ONLY_RIGHT,
.communication_format = I2S_COMM_FORMAT_I2S_MSB,
.communication_format = I2S_COMM_FORMAT_STAND_MSB,
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1,
.dma_buf_count = 2,
.dma_buf_len = 1024 //big buffers to avoid noises
@ -29,7 +29,7 @@ void setup()
{
pinMode(BUTTON_PIN, INPUT_PULLUP);
Serial.begin(115200);
rtc_clk_cpu_freq_set(RTC_CPU_FREQ_240M); //highest cpu frequency
setCpuFrequencyMhz(240); //highest cpu frequency
i2s_driver_install(i2s_num, &i2s_config, 0, NULL); //start i2s driver
i2s_set_pin(i2s_num, NULL); //use internal DAC
i2s_set_sample_rates(i2s_num, 1000000); //dummy sample rate, since the function fails at high values
@ -77,5 +77,6 @@ void loop()
}
}
//write the buffer (waits until a buffer is ready to be filled, that's timing for free)
i2s_write_bytes(i2s_num, (char*)buff, sizeof(buff), portMAX_DELAY);
size_t bytes_written;
i2s_write(i2s_num, (char*)buff, sizeof(buff), &bytes_written, portMAX_DELAY);
}