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3 Commits (953a7351298241109eac2607d173c6e8921ff5fb)

Author SHA1 Message Date
Marcus Chang 3663494bd9 Serial re-implementation for the NRF52 series 
Serial implementation uses UARTE instead of UART peripheral:

* EasyDMA is used for reading and writing data.
* Triple buffering for receiving data.

See README for full description.
 2018-04-19 09:40:41 -07:00
Marcus Chang d11f74cb4c NRF52 series PWM reimplementation for SDK 14.2 
Driver uses new API in SDK 14.2
 2018-04-19 09:40:41 -07:00
Blackstone Engineering ea6c0078c7 Extended PeripheralPins and pinmap for NRF52 series 
The NRF52 series can map digital signals to any physical pin which
makes it challenging to associate pin names with hardware instances.

pinmap_ex:
  Keep track of which hardware instance is in use and what pins are
  associated with it. Currently only supports I2C and SPI, but
  provides a mechanism for allocating the shared I2C/SPI hardware.

PeripheralPinsDefault:
  Optional pin map for pre-assigning hardware instances at compile
  time. This makes it easier to optimize hardware utilization.
 2018-04-19 09:40:41 -07:00