Use proper pin for CC26xx UART RX

alevy · alevy · commit 39135c1b6ba3 · 2018-07-24T13:06:53.000-04:00
`configure` was incorrectly using the stored `tx_pin` twice, for
configuring the RX and TX pin. So UART wasn't actually working at all...
diff --git a/chips/cc26xx/src/uart.rs b/chips/cc26xx/src/uart.rs
@@ -107,7 +107,7 @@ impl UART {
         }
 
         self.tx_pin.map_or(ReturnCode::EOFF, |tx_pin| {
-            self.tx_pin.map_or(ReturnCode::EOFF, |rx_pin| {
+            self.rx_pin.map_or(ReturnCode::EOFF, |rx_pin| {
                 unsafe {
                     // Make sure the TX pin is output/high before assigning it to UART control
                     // to avoid falling edge glitches

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ impl UART {`
`107`	`107`	`}`
`108`	`108`
`109`	`109`	`self.tx_pin.map_or(ReturnCode::EOFF, \|tx_pin\| {`
`110`		`- self.tx_pin.map_or(ReturnCode::EOFF, \|rx_pin\| {`
	`110`	`+ self.rx_pin.map_or(ReturnCode::EOFF, \|rx_pin\| {`
`111`	`111`	`unsafe {`
`112`	`112`	`// Make sure the TX pin is output/high before assigning it to UART control`
`113`	`113`	`// to avoid falling edge glitches`