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Merge pull request #1091 from openmv/nrf_audio_fixes
Add Arduino fixes.
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commit
0d830d15a3
@ -81,9 +81,17 @@ static mp_obj_t py_audio_init(uint n_args, const mp_obj_t *args, mp_map_t *kw_ar
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.interrupt_priority = PDM_IRQ_PRIORITY,
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};
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// Enable high frequency oscillator if not already enabled
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if (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) {
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NRF_CLOCK->TASKS_HFCLKSTART = 1;
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while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) {
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}
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}
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// configure the sample rate and channels
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switch (frequency) {
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case 16000:
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NRF_PDM->RATIO = ((PDM_RATIO_RATIO_Ratio80 << PDM_RATIO_RATIO_Pos) & PDM_RATIO_RATIO_Msk);
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nrfx_pdm_config.clock_freq = NRF_PDM_FREQ_1280K;
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break;
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case 41667:
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