fix UART buffer (#82)

* fix

* revert change

* revert asyncio event_loop

* Update main/modules/serial.cpp

---------

Co-authored-by: Falko Schindler <falko@zauberzeug.com>

main/modules/serial.cpp

@@ -3,8 +3,9 @@
 #include <cstring>
 #include <stdexcept>
 
-#define RX_BUF_SIZE 1024
-#define TX_BUF_SIZE 1024
+#define RX_BUF_SIZE 2048
+#define TX_BUF_SIZE 2048
+#define UART_PATTERN_QUEUE_SIZE 20
 
 Serial::Serial(const std::string name,
                const gpio_num_t rx_pin, const gpio_num_t tx_pin, const long baud_rate, const uart_port_t uart_num)
@@ -25,12 +26,12 @@ Serial::Serial(const std::string name,
     };
     uart_param_config(uart_num, &uart_config);
     uart_set_pin(uart_num, tx_pin, rx_pin, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
-    uart_driver_install(uart_num, RX_BUF_SIZE, TX_BUF_SIZE, 0, NULL, 0);
+    uart_driver_install(uart_num, RX_BUF_SIZE, TX_BUF_SIZE, UART_PATTERN_QUEUE_SIZE, NULL, 0);
 }
 
 void Serial::enable_line_detection() const {
     uart_enable_pattern_det_baud_intr(this->uart_num, '\n', 1, 9, 0, 0);
-    uart_pattern_queue_reset(this->uart_num, 100);
+    uart_pattern_queue_reset(this->uart_num, UART_PATTERN_QUEUE_SIZE);
 }
 
 void Serial::deinstall() const {