4ecd478d82
Instead of trying to modify periperhals directly, external functions are called. For example, __tinygo_gpio_set sets a GPIO pin to a specified value (high or low). It is expected that binaries made this way will be linked with some extra libraries that implement support for these functions. One particularly interesting case is this experimental board simulator: https://github.com/aykevl/tinygo-play Compiling code to WebAssembly with the correct build tag for a board will enable this board to be simulated in the browser. Atmel/Microchip based SAMD boards are not currently supported, because their I2C/SPI support is somewhat uncommon and harder to support in the machine API. They may require a modification to the machine API for proper support.
76 строки
1,2 КиБ
Go
76 строки
1,2 КиБ
Go
// +build microbit
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package machine
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// The micro:bit does not have a 32kHz crystal on board.
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const HasLowFrequencyCrystal = false
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// Buttons on the micro:bit (A and B)
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const (
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BUTTON Pin = BUTTONA
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BUTTONA Pin = 17
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BUTTONB Pin = 26
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)
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// UART pins
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const (
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UART_TX_PIN Pin = 24
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UART_RX_PIN Pin = 25
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)
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// ADC pins
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const (
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ADC0 Pin = 3 // P0 on the board
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ADC1 Pin = 2 // P1 on the board
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ADC2 Pin = 1 // P2 on the board
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)
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// I2C pins
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const (
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SDA_PIN Pin = 30 // P20 on the board
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SCL_PIN Pin = 0 // P19 on the board
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)
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// SPI pins
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const (
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SPI0_SCK_PIN Pin = 23 // P13 on the board
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SPI0_MOSI_PIN Pin = 21 // P15 on the board
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SPI0_MISO_PIN Pin = 22 // P14 on the board
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)
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// GPIO/Analog pins
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const (
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P0 Pin = 3
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P1 Pin = 2
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P2 Pin = 1
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P3 Pin = 4
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P4 Pin = 5
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P5 Pin = 17
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P6 Pin = 12
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P7 Pin = 11
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P8 Pin = 18
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P9 Pin = 10
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P10 Pin = 6
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P11 Pin = 26
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P12 Pin = 20
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P13 Pin = 23
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P14 Pin = 22
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P15 Pin = 21
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P16 Pin = 16
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)
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// LED matrix pins
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const (
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LED_COL_1 Pin = 4
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LED_COL_2 Pin = 5
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LED_COL_3 Pin = 6
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LED_COL_4 Pin = 7
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LED_COL_5 Pin = 8
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LED_COL_6 Pin = 9
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LED_COL_7 Pin = 10
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LED_COL_8 Pin = 11
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LED_COL_9 Pin = 12
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LED_ROW_1 Pin = 13
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LED_ROW_2 Pin = 14
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LED_ROW_3 Pin = 15
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)
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