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* esp8266/modpybspi: Configure pins when initialising an SPI object.Damien George2016-05-26
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* esp8266: Convert to use new MP_Exxx errno symbols.Damien George2016-05-10
| | | | | | | These symbols are still defined in terms of the system Exxx symbols, and can be switched to internal numeric definitions at a later stage. Note that extmod/modlwip still uses many system Exxx symbols.
* esp8266: Change software SPI driver to use general pin HAL.Damien George2016-04-22
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* esp8266: Implement software SPI class.Damien George2016-03-25
Supports speeds up to 500k baud, polarity=0/1, phase=0/1, and using any pins. Only supports MSB output at the moment.