esp8266: Implement software SPI class.
Supports speeds up to 500k baud, polarity=0/1, phase=0/1, and using any
pins. Only supports MSB output at the moment.
diff --git a/esp8266/modmachine.c b/esp8266/modmachine.c
index 1d096a4..41f2469 100644
--- a/esp8266/modmachine.c
+++ b/esp8266/modmachine.c
@@ -143,6 +143,7 @@
{ MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&esp_timer_type) },
{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&pyb_pin_type) },
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&pyb_i2c_type) },
+ { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&pyb_spi_type) },
};
STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);