Christopher Pascoe cfe7ae1118 Put HardwareSerial and cbuf methods called from interrupt context in RAM. ...

This is required per the non-OS SDK doc, which states:
  "Using non-OS SDK, please do not call any function defined with
  ICACHE_FLASH_ATTR in the interrupt handler."

This avoids an "Illegal instruction" exception with epc1 pointing at a valid
instruction (in flash) for one of the moved methods.

2015-12-28 18:35:27 -05:00

..

esp8266

Put HardwareSerial and cbuf methods called from interrupt context in RAM.

2015-12-28 18:35:27 -05:00