mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-07 12:33:42 +00:00
Ayke van Laethem
b3da00ac1f
Similar to PWM, I2C can only be used on some pins. To automatically generate this information per board, we need to add extra comments that can then be interpreted by doc-gen for the tinygo.org website.
81 lines
3.1 KiB
Go
81 lines
3.1 KiB
Go
//go:build (sam && atsamd21) || arduino_nano33 || circuitplay_express
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package machine
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// Return the current CPU frequency in hertz.
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func CPUFrequency() uint32 {
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return 48000000
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}
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// Note that the below pins have a few I2C pins listed that according to the
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// datasheet don't support I2C yet they are used in practice on boards from
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// Adafruit and Arduino. See machine_atsamd21_simulator.go for details.
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// Hardware pins
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const (
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PA00 Pin = 0 // peripherals: TCC2 channel 0, sercomI2CM1 SDA
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PA01 Pin = 1 // peripherals: TCC2 channel 1, sercomI2CM1 SCL
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PA02 Pin = 2
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PA03 Pin = 3
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PA04 Pin = 4 // peripherals: TCC0 channel 0
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PA05 Pin = 5 // peripherals: TCC0 channel 1
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PA06 Pin = 6 // peripherals: TCC1 channel 0
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PA07 Pin = 7 // peripherals: TCC1 channel 1
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PA08 Pin = 8 // peripherals: TCC0 channel 0, TCC1 channel 2, sercomI2CM0 SDA, sercomI2CM2 SDA
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PA09 Pin = 9 // peripherals: TCC0 channel 1, TCC1 channel 3, sercomI2CM0 SCL, sercomI2CM2 SCL
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PA10 Pin = 10 // peripherals: TCC1 channel 0, TCC0 channel 2
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PA11 Pin = 11 // peripherals: TCC1 channel 1, TCC0 channel 3
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PA12 Pin = 12 // peripherals: TCC2 channel 0, TCC0 channel 2, sercomI2CM2 SDA, sercomI2CM4 SDA
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PA13 Pin = 13 // peripherals: TCC2 channel 1, TCC0 channel 3, sercomI2CM2 SCL, sercomI2CM4 SCL
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PA14 Pin = 14 // peripherals: TCC0 channel 0
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PA15 Pin = 15 // peripherals: TCC0 channel 1
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PA16 Pin = 16 // peripherals: TCC2 channel 0, TCC0 channel 2, sercomI2CM1 SDA, sercomI2CM3 SDA
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PA17 Pin = 17 // peripherals: TCC2 channel 1, TCC0 channel 3, sercomI2CM1 SCL, sercomI2CM3 SCL
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PA18 Pin = 18 // peripherals: TCC0 channel 2
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PA19 Pin = 19 // peripherals: TCC0 channel 3
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PA20 Pin = 20 // peripherals: TCC0 channel 2
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PA21 Pin = 21 // peripherals: TCC0 channel 3
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PA22 Pin = 22 // peripherals: TCC0 channel 0, sercomI2CM3 SDA, sercomI2CM5 SDA
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PA23 Pin = 23 // peripherals: TCC0 channel 1, sercomI2CM3 SCL, sercomI2CM5 SCL
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PA24 Pin = 24 // peripherals: TCC1 channel 2
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PA25 Pin = 25 // peripherals: TCC1 channel 3
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PA26 Pin = 26
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PA27 Pin = 27
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PA28 Pin = 28
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PA29 Pin = 29
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PA30 Pin = 30 // peripherals: TCC1 channel 0
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PA31 Pin = 31 // peripherals: TCC1 channel 1
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PB00 Pin = 32
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PB01 Pin = 33
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PB02 Pin = 34 // peripherals: sercomI2CM5 SDA
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PB03 Pin = 35 // peripherals: sercomI2CM5 SCL
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PB04 Pin = 36
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PB05 Pin = 37
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PB06 Pin = 38
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PB07 Pin = 39
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PB08 Pin = 40 // peripherals: sercomI2CM4 SDA
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PB09 Pin = 41 // peripherals: sercomI2CM4 SCL
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PB10 Pin = 42 // peripherals: TCC0 channel 0
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PB11 Pin = 43 // peripherals: TCC0 channel 1
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PB12 Pin = 44 // peripherals: TCC0 channel 2, sercomI2CM4 SDA
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PB13 Pin = 45 // peripherals: TCC0 channel 3, sercomI2CM4 SCL
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PB14 Pin = 46
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PB15 Pin = 47
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PB16 Pin = 48 // peripherals: TCC0 channel 0, sercomI2CM5 SDA
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PB17 Pin = 49 // peripherals: TCC0 channel 1, sercomI2CM5 SCL
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PB18 Pin = 50
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PB19 Pin = 51
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PB20 Pin = 52
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PB21 Pin = 53
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PB22 Pin = 54
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PB23 Pin = 55
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PB24 Pin = 56
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PB25 Pin = 57
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PB26 Pin = 58
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PB27 Pin = 59
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PB28 Pin = 60
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PB29 Pin = 61
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PB30 Pin = 62 // peripherals: TCC0 channel 0, TCC1 channel 2, sercomI2CM5 SDA
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PB31 Pin = 63 // peripherals: TCC0 channel 1, TCC1 channel 3, sercomI2CM5 SCL
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)
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