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Place uart_tx_wait_idle in IRAM

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This commit is contained in:
Jeroen Domburg
2017-08-25 17:46:28 +08:00
committed by Ivan Grokhotkov
parent f285d8f678
commit fdb390aeac
1 changed files with 1 additions and 1 deletions
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2
components/esp32/include/rom/uart.h
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@ -267,7 +267,7 @@ void uart_tx_flush(uint8_t uart_no);
* The function defined in ROM code has a bug, so we define the correct version
* here for compatibility.
*/
static inline void uart_tx_wait_idle(uint8_t uart_no) {
static inline void IRAM_ATTR uart_tx_wait_idle(uint8_t uart_no) {
while(REG_GET_FIELD(UART_STATUS_REG(uart_no), UART_ST_UTX_OUT)) {
;
}