remove UART object and use pins for IR; add asyncio frozen

Author: bradanlane

ports/raspberrypi/boards/bradanlanestudio_explorer_rp2040/mpconfigboard.h

@@ -10,6 +10,7 @@
 #define MICROPY_HW_MCU_NAME     "rp2040"
 
 #define MICROPY_HW_LED_STATUS   (&pin_GPIO4)
+// the UART pins are used for IR
 // #define DEFAULT_UART_BUS_TX     (&pin_GPIO0)
 // #define DEFAULT_UART_BUS_RX     (&pin_GPIO1)
 #define DEFAULT_I2C_BUS_SDA     (&pin_GPIO2)

ports/raspberrypi/boards/bradanlanestudio_explorer_rp2040/mpconfigboard.mk

@@ -20,3 +20,6 @@ FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Bitmap_Font
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Display_Text
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Display_Shapes
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_HID
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_IRRemote
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_asyncio
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Ticks

ports/raspberrypi/boards/bradanlanestudio_explorer_rp2040/pins.c

@@ -38,7 +38,7 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_GP0), MP_ROM_PTR(&pin_GPIO0) },
     { MP_ROM_QSTR(MP_QSTR_GP1), MP_ROM_PTR(&pin_GPIO1) },
-    // GPIO0 and GPIO1 are also the UART
+    // GPIO0 and GPIO1 are used for IR and not for  UART
     { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO0) },
     { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO1) },
 
@@ -111,17 +111,16 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_TOUCH9), MP_ROM_PTR(&pin_GPIO27) },
 
     { MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) },
-    // GPIO28 is also the interrupt pin of the accelerometer
-    { MP_ROM_QSTR(MP_QSTR_ACCEL_INT), MP_ROM_PTR(&pin_GPIO28) },
+    // GPIO28 is also the interrupt pin of the accelerometer on some boards
 
     { MP_ROM_QSTR(MP_QSTR_GP29), MP_ROM_PTR(&pin_GPIO29) },
     // GPIO29 is also the ID value of the board (an analog read value between 0 .. 4096)
     // { MP_ROM_QSTR(MP_QSTR_VID), MP_ROM_PTR(&pin_GPIO29) },
 
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
     // { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
-
     { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)},
 
     { MP_ROM_QSTR(MP_QSTR_VID), MP_ROM_PTR(&board_vid_obj) },