fix(uart): sleep retention

SuGlider · web-flow · commit 15e87ae47305 · 2024-08-26T19:54:19.000-03:00
sets new flag from IDF 5.3 that causes error with Serial.begin(115200).
diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
@@ -497,6 +497,7 @@ uart_t *uartBegin(
     log_v("UART%d not installed. Starting installation", uart_nr);
   }
   uart_config_t uart_config;
+  uart_config.flags.backup_before_sleep = false; // necessary within IDF 5.3
   uart_config.data_bits = (config & 0xc) >> 2;
   uart_config.parity = (config & 0x3);
   uart_config.stop_bits = (config & 0x30) >> 4;

Original file line number	Diff line number	Diff line change
`@@ -497,6 +497,7 @@ uart_t *uartBegin(`
`497`	`497`	`log_v("UART%d not installed. Starting installation", uart_nr);`
`498`	`498`	`}`
`499`	`499`	`uart_config_t uart_config;`
	`500`	`+ uart_config.flags.backup_before_sleep = false; // necessary within IDF 5.3`
`500`	`501`	`uart_config.data_bits = (config & 0xc) >> 2;`
`501`	`502`	`uart_config.parity = (config & 0x3);`
`502`	`503`	`uart_config.stop_bits = (config & 0x30) >> 4;`