uart_tx_wait_idle() function

Wait until uart tx full empty and the last char send ok. The function defined in ROM code has a bug, so we define the correct version here for compatibility.

Syntax

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Summary

Declaration

from uart.h:260

static inline void IRAM_ATTR uart_tx_wait_idle(uint8_t uart_no);

Arguments

Argument

Description

uart_no

0 for UART0, 1 for UART1, 2 for UART2

References

Code

Location

static inline void IRAM_ATTR uart_tx_wait_idle(uint8_t uart_no) {

uart.h:260

Call Tree

uart_tx_wait_idle() calls 1 function:

uart_tx_wait_idle()

__assert_func()

Data Use

uart_tx_wait_idle():

uart_tx_wait_idle()

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