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.
53 строки
780 Б
Go
53 строки
780 Б
Go
// +build pca10040
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package machine
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// The PCA10040 has a low-frequency (32kHz) crystal oscillator on board.
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const HasLowFrequencyCrystal = true
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// LEDs on the PCA10040 (nRF52832 dev board)
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const (
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LED Pin = LED1
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LED1 Pin = 17
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LED2 Pin = 18
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LED3 Pin = 19
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LED4 Pin = 20
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)
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// Buttons on the PCA10040 (nRF52832 dev board)
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const (
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BUTTON Pin = BUTTON1
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BUTTON1 Pin = 13
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BUTTON2 Pin = 14
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BUTTON3 Pin = 15
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BUTTON4 Pin = 16
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)
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// UART pins for NRF52840-DK
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const (
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UART_TX_PIN Pin = 6
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UART_RX_PIN Pin = 8
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)
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// ADC pins
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const (
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ADC0 Pin = 3
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ADC1 Pin = 4
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ADC2 Pin = 28
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ADC3 Pin = 29
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ADC4 Pin = 30
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ADC5 Pin = 31
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)
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// I2C pins
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const (
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SDA_PIN Pin = 26
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SCL_PIN Pin = 27
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)
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// SPI pins
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const (
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SPI0_SCK_PIN Pin = 25
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SPI0_MOSI_PIN Pin = 23
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SPI0_MISO_PIN Pin = 24
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)
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