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esp-idf/components/driver/uart.c
Wangjialin 9d466de235 bugfix(uart): fix signal glitch on tx pin 
gpio_matrix_out function will set output enable for GPIO, seems in gpio_matrix_out there will be a short moment that the chip will output GPIO level.
So we can set GPIO as high before gpio_matrix_out function.
2017-07-20 14:34:11 +08:00

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