Kristijan Gjoshev 0fe725909e Update I2S base frequency and frequency dividers to real ones (#4031) ...

* Fix I2S base frequency
* Update frequency dividers for I2S
Reference: https://github.com/espressif/ESP8266_MP3_DECODER/blob/master/mp3/driver/i2s_freertos.c
* fixed i2s_set_rate, added i2s_get_real_rate() and i2s_set_dividers
* Minimise float calculations

2018-01-20 15:58:42 -08:00

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esp8266

Update I2S base frequency and frequency dividers to real ones (#4031)

2018-01-20 15:58:42 -08:00