esp32/machine_uart: Uninstall the UART driver before installing it.

dpgeorge · dpgeorge · commit c469c7c08edb · 2017-06-13T16:36:19.000+10:00
To allow to create the same UART a second time without error.
diff --git a/esp32/machine_uart.c b/esp32/machine_uart.c
@@ -230,6 +230,9 @@ STATIC mp_obj_t machine_uart_make_new(const mp_obj_type_t *type, size_t n_args,
             break;
     }
 
+    // Remove any existing configuration
+    uart_driver_delete(self->uart_num);
+
     // init the peripheral
     // Setup
     uart_param_config(self->uart_num, &uartcfg);

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,9 @@ STATIC mp_obj_t machine_uart_make_new(const mp_obj_type_t *type, size_t n_args,`
`230`	`230`	`break;`
`231`	`231`	`}`
`232`	`232`
	`233`	`+ // Remove any existing configuration`
	`234`	`+ uart_driver_delete(self->uart_num);`
	`235`	`+`
`233`	`236`	`// init the peripheral`
`234`	`237`	`// Setup`
`235`	`238`	`uart_param_config(self->uart_num, &uartcfg);`