Drivers

Folders or files

Features

ADC (SAR12B)

1. Support read external voltage.

Audio (I2S)

1. Support S16_LE format, 48kHz, stereo recording.

2. Support S16_LE format, 48kHz, stereo playback.

GPIO driver

1. Support digital output.

2. Support digital input.

AHB DMA

1. Support SPI DMA mode transferring.

2. Support memory-to-memory transferring.

I2C driver

1. Support RX and TX transferring.

2. Support 100kHz and 400kHz speeds.

Mailbox

1. Support communication between CM4 and CA55.

2. Support normal mode (software).

3. Support direction mode (hardware).

PWM

1. Support set frequency and duty.

RTC

1. Support set and get time.

2. Support set alarm.

3. Support alarm interrupt.

4. Support periodic interrupt.

SPI

1. Support master mode TX and RX transferring.

2. Support set clock frequency.

3. Support mode 0, 1, 2 and 3.

4. Support DMA mode.

Timer

1. Support generate timer interrupt.

UART

1. Support TX and RX transferring.

Watchdog

1. Support pretimeout function.