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Add core support for multiple UARTs (#152)

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* machine/uart: add core support for multiple UARTs by allowing for multiple RingBuffers
* machine/uart: complete core support for multiple UARTs
* machine/uart: no need to store pointer to UART, better to treat like I2C and SPI
* machine/uart: increase ring buffer size to 128 bytes
* machine/uart: improve godocs comments and use comma-ok idiom for buffer Put/Get methods
This commit is contained in:
Ron Evans
2019-01-25 22:09:13 +01:00
committed by GitHub
parent d820c36c4f
commit 4f4d7976c6
12 changed files with 216 additions and 77 deletions
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src/machine/board_arduino.go
+6
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@@ -16,3 +16,9 @@ const (
ADC4 = 4 // Used by TWI for SDA
ADC5 = 5 // Used by TWI for SCL
)
// UART pins
const (
UART_TX_PIN = 1
UART_RX_PIN = 0
)