031667ebd0
The Wio Terminal includes a RealTek RTL8720D as a companion to the main chip to provide WiFi and Bluetooth capabilities via eRPC over a UART connection. The WIO Terminal schematic labels some pins as the RXD/TXD for the UART, and that was captured in the board definition for CircuitPython. However, these pins may be used for logging in another mode, but they are not the main pins used to communicate with the RTL chip. The correct configuration is RX on PC24/pad 2 and TX on PB24/pad 0 of SERCOM 0. The comments on the pin definitions now reflect this situation, for anyone trying to get the WiFi/BLE to work on the Wio Terminal.
117 lines
5.5 KiB
C
117 lines
5.5 KiB
C
#include "shared-bindings/board/__init__.h"
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#include "shared-module/displayio/__init__.h"
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STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
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CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
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// Analog pins
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{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PB08) },
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{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PB09) },
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{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PB04) },
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{ MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PB05) },
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{ MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PB06) },
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{ MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_PA04) },
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{ MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_PB07) },
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{ MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_PA06) },
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// Digital pins
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{ MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PB08) },
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{ MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PB09) },
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{ MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_PB04) },
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{ MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_PB05) },
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{ MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_PB06) },
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{ MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_PA04) },
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{ MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_PB07) },
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{ MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_PA17) }, // MP_QSTR_SDA
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{ MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_PA16) }, // MP_QSTR_SCL
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{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA15) }, // MP_QSTR_LED
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// UART pins
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PB26) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PB27) },
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// SPI pins
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{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PB02) },
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{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PB03) },
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{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PB00) },
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{ MP_ROM_QSTR(MP_QSTR_CS), MP_ROM_PTR(&pin_PB01) },
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// I2C pins
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA16) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA17) },
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// LED pins
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{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_PA15) }, // status
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// LCD Display
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{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_MISO), MP_ROM_PTR(&pin_PB18) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_MOSI), MP_ROM_PTR(&pin_PB19) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_TFT_SCK), MP_ROM_PTR(&pin_PB20) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_PB21) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_PC06) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(&pin_PC05) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(&pin_PC07) },
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// SD Card
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SD_MISO), MP_ROM_PTR(&pin_PC18) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SD_MOSI), MP_ROM_PTR(&pin_PC16) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SD_SCK), MP_ROM_PTR(&pin_PC17) },
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{ MP_ROM_QSTR(MP_QSTR_SD_CS), MP_ROM_PTR(&pin_PC19) },
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{ MP_ROM_QSTR(MP_QSTR_SD_DET), MP_ROM_PTR(&pin_PD21) },
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// Switch
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SWITCH_UP), MP_ROM_PTR(&pin_PD20) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SWITCH_LEFT), MP_ROM_PTR(&pin_PD12) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SWITCH_RIGHT), MP_ROM_PTR(&pin_PD09) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SWITCH_DOWN), MP_ROM_PTR(&pin_PD08) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SWITCH_PRESS), MP_ROM_PTR(&pin_PD10) },
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// Button
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{ MP_OBJ_NEW_QSTR(MP_QSTR_BUTTON_1), MP_ROM_PTR(&pin_PC26) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_BUTTON_2), MP_ROM_PTR(&pin_PC27) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_BUTTON_3), MP_ROM_PTR(&pin_PC28) },
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// Special named pins
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LIGHT), MP_ROM_PTR(&pin_PD01) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_BUZZER), MP_ROM_PTR(&pin_PD11) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_IR), MP_ROM_PTR(&pin_PB31) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_MIC), MP_ROM_PTR(&pin_PC30) },
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{ MP_ROM_QSTR(MP_QSTR_GYROSCOPE_SCL), MP_ROM_PTR(&pin_PA12) },
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{ MP_ROM_QSTR(MP_QSTR_GYROSCOPE_SDA), MP_ROM_PTR(&pin_PA13) },
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{ MP_ROM_QSTR(MP_QSTR_GYROSCOPE_INT), MP_ROM_PTR(&pin_PC21) },
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// DAC
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{ MP_OBJ_NEW_QSTR(MP_QSTR_DAC0), MP_ROM_PTR(&pin_PA02) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_DAC1), MP_ROM_PTR(&pin_PA05) },
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// I2S
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2S_LRCLK), MP_ROM_PTR(&pin_PA20) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2S_SDOUT), MP_ROM_PTR(&pin_PA21) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2S_SDIN), MP_ROM_PTR(&pin_PA22) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2S_BCLK), MP_ROM_PTR(&pin_PB16) },
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// RTL8720D - follows the schematic, but see comments
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_PWR), MP_ROM_PTR(&pin_PA18) }, // CHIP_PU
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_RXD), MP_ROM_PTR(&pin_PC22) }, // *NOT* THE MAIN RX FOR THE RTL CHIP (may be a log UART?)
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_TXD), MP_ROM_PTR(&pin_PC23) }, // *NOT* THE MAIN TX FOR THE RTL CHIP (may be a log UART?)
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_MOSI), MP_ROM_PTR(&pin_PB24) }, // used as the UART TX for the RTL chip
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_CLK), MP_ROM_PTR(&pin_PB25) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_MISO), MP_ROM_PTR(&pin_PC24) }, // used as the UART RX for the RTL chip
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_CS), MP_ROM_PTR(&pin_PC25) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_READY), MP_ROM_PTR(&pin_PC20) }, // IRQ0
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTL_DIR), MP_ROM_PTR(&pin_PA19) }, // SYNC
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// Comm objects
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
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