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[beken-72xx] Improve ddev ADC support (#220)

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This commit is contained in:
Piotr Szulc
2024-01-06 19:40:33 +01:00
committed by GitHub
parent c90794e9f5
commit 1e3a82f439
1 changed files with 10 additions and 2 deletions
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12
cores/beken-72xx/arduino/src/wiring_analog.c
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@@ -65,13 +65,21 @@ uint16_t analogReadVoltage(pin_size_t pinNumber) {
adc.pData = adcData; adc.pData = adcData;
adc.data_buff_size = 1; adc.data_buff_size = 1;
handle = ddev_open(SARADC_DEV_NAME, &status, (uint32_t)&adc); handle = ddev_open(SARADC_DEV_NAME, &status, (uint32_t)&adc);
if (status) if (handle == -1) {
return 0; return 0;
}
if (status != SARADC_SUCCESS) {
ddev_close(handle);
return 0;
}
// wait for data // wait for data
while (!adc.has_data || adc.current_sample_data_cnt < 1) { while (!adc.has_data || adc.current_sample_data_cnt < 1) {
delay(1); delay(1);
} }
ddev_control(handle, SARADC_CMD_RUN_OR_STOP_ADC, (void *)false); uint8_t run_stop = 0; // stop
ddev_control(handle, SARADC_CMD_RUN_OR_STOP_ADC, &run_stop);
ddev_close(handle); ddev_close(handle);
return adcData[0]; return adcData[0];
} }