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stm32f0:usart: Correctly allow >8bit words.

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Make them 16bit regs, like on other periphs.  This allows proper access
to the "8th" bit.  (0..8 is 9 bits, not 8)

Found and reported in https://github.com/libopencm3/libopencm3/pull/651
This commit is contained in:
Karl Palsson
2017-01-12 23:25:53 +00:00
parent 6dd7b3ecc5
commit 7ee1d948e9
2 changed files with 10 additions and 10 deletions
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8
lib/stm32/f0/usart.c
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@@ -158,7 +158,7 @@ void usart_disable(uint32_t usart)
* @param data
*/
void usart_send(uint32_t usart, uint8_t data)
void usart_send(uint32_t usart, uint16_t data)
{
USART_TDR(usart) = data;
}
@@ -173,7 +173,7 @@ void usart_send(uint32_t usart, uint8_t data)
* @returns data word.
*/
uint8_t usart_recv(uint32_t usart)
uint16_t usart_recv(uint32_t usart)
{
/* Receive data. */
return USART_RDR(usart);
@@ -218,7 +218,7 @@ void usart_wait_recv_ready(uint32_t usart)
* @param data word to send
*/
void usart_send_blocking(uint32_t usart, uint8_t data)
void usart_send_blocking(uint32_t usart, uint16_t data)
{
usart_wait_send_ready(usart);
usart_send(usart, data);
@@ -233,7 +233,7 @@ void usart_send_blocking(uint32_t usart, uint8_t data)
* @returns data word.
*/
uint8_t usart_recv_blocking(uint32_t usart)
uint16_t usart_recv_blocking(uint32_t usart)
{
usart_wait_recv_ready(usart);