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machine: make UART objects pointer receivers

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This means that machine.UART0, machine.UART1, etc are of type
*machine.UART, not machine.UART. This makes them easier to pass around
and avoids surprises when they are passed around by value while they
should be passed around by reference.

There is a small code size impact in some cases, but it is relatively
minor.
This commit is contained in:
Ayke van Laethem
2021-05-13 12:32:12 +02:00
committed by Ron Evans
parent 7c949ad386
commit aa5b8d0df7
46 changed files with 246 additions and 179 deletions
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src/machine/machine_nrf52.go
+1 -1
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@@ -51,7 +51,7 @@ func (p Pin) getPortPin() (*nrf.GPIO_Type, uint32) {
return nrf.P0, uint32(p)
}
func (uart UART) setPins(tx, rx Pin) {
func (uart *UART) setPins(tx, rx Pin) {
nrf.UART0.PSELTXD.Set(uint32(tx))
nrf.UART0.PSELRXD.Set(uint32(rx))
}