atmel-samd: Rename metro M0 Express and add NEOPIXEL pin.

Author: tannewt

atmel-samd/boards/metro_m0_flash/conf_access.h renamed to atmel-samd/boards/metro_m0_express/conf_access.h

@@ -1,6 +1,6 @@
 #define USB_REPL
 
-#define MICROPY_HW_BOARD_NAME "Adafruit Metro M0 with Flash (Experimental)"
+#define MICROPY_HW_BOARD_NAME "Adafruit Metro M0 Express"
 #define MICROPY_HW_MCU_NAME "samd21g18"
 
 #define MICROPY_HW_LED_TX   PIN_PA27
@@ -10,20 +10,6 @@
 
 #define SPI_FLASH_BAUDRATE  (1000000)
 
-// Rev E
-// #define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_E
-// #define SPI_FLASH_PAD0_PINMUX PINMUX_PA12D_SERCOM4_PAD0 // MISO
-// // Use default pinmux for the chip select since we manage it ourselves.
-// #define SPI_FLASH_PAD1_PINMUX PINMUX_DEFAULT // CS
-// #define SPI_FLASH_PAD2_PINMUX PINMUX_PB10D_SERCOM4_PAD2 // MOSI
-// #define SPI_FLASH_PAD3_PINMUX PINMUX_PB11D_SERCOM4_PAD3 // SCK
-// #define SPI_FLASH_CS          PIN_PA13
-// #define SPI_FLASH_SERCOM      SERCOM4
-//
-// #define MICROPY_PORT_A        (PORT_PA12 | PORT_PA13 |PORT_PA24 | PORT_PA25 | PORT_PA27 | PORT_PA30)
-// #define MICROPY_PORT_B        (PORT_PB03 | PORT_PB10 | PORT_PB11)
-
-// Rev F
 #define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_F
 #define SPI_FLASH_PAD0_PINMUX PINMUX_DEFAULT // CS
 // Use default pinmux for the chip select since we manage it ourselves.

atmel-samd/boards/metro_m0_flash/conf_board.h renamed to atmel-samd/boards/metro_m0_express/conf_board.h

@@ -25,6 +25,7 @@ STATIC const mp_map_elem_t board_global_dict_table[] = {
   { MP_OBJ_NEW_QSTR(MP_QSTR_D13), (mp_obj_t)&pin_PA17 },
   { MP_OBJ_NEW_QSTR(MP_QSTR_SDA), (mp_obj_t)&pin_PA22 },
   { MP_OBJ_NEW_QSTR(MP_QSTR_SCL), (mp_obj_t)&pin_PA23 },
+  { MP_OBJ_NEW_QSTR(MP_QSTR_NEOPIXEL), (mp_obj_t)&pin_PA30 },
   { MP_OBJ_NEW_QSTR(MP_QSTR_FLASH_SCK),  (mp_obj_t)&pin_PB11 },
   { MP_OBJ_NEW_QSTR(MP_QSTR_FLASH_MOSI), (mp_obj_t)&pin_PB10 },
   { MP_OBJ_NEW_QSTR(MP_QSTR_FLASH_MISO), (mp_obj_t)&pin_PA12 },