Commitbccdb75

authored

fix(uart): prevent deinitializing another UART

If called from an uninitialized HardwareSerial, the code unintentionally deinit the UART at uart_handlers[0]

1 parent227cec0 commitbccdb75Copy full SHA for bccdb75

File tree

-0

lines changed

-0

lines changed

Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -594,6 +594,9 @@ bool uart_init(serial_t *obj, uint32_t baudrate, uint32_t databits, uint32_t par`
`594`	`594`	`*/`
`595`	`595`	`voiduart_deinit(serial_t*obj)`
`596`	`596`	`{`
	`597`	`+/* Prevent deinitializing another UART in case this has not been initialized */`
	`598`	`+if (!obj->uart)return;`
	`599`	`+`
`597`	`600`	`/* Reset UART and disable clock */`
`598`	`601`	`switch (obj->index) {`
`599`	`602`	`#if defined(USART1_BASE)`

Comments

(0)