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Write loop could lead to wdt with low bitrates or large buffers. Fixes #7746 (#7799)

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This commit is contained in:
Dirk O. Kaar
2020-12-31 01:05:20 +01:00
committed by GitHub
parent a3a7a23a92
commit 84260dcb44
1 changed files with 3 additions and 1 deletions
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4
cores/esp8266/uart.cpp
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@ -506,8 +506,10 @@ uart_write(uart_t* uart, const char* buf, size_t size)
size_t ret = size; size_t ret = size;
const int uart_nr = uart->uart_nr; const int uart_nr = uart->uart_nr;
while (size--) while (size--) {
uart_do_write_char(uart_nr, pgm_read_byte(buf++)); uart_do_write_char(uart_nr, pgm_read_byte(buf++));
optimistic_yield(10000UL);
}
return ret; return ret;
} }