Clean up usart class a bit

Core/Inc/usart.hpp

@@ -9,6 +9,10 @@
 #include "stm32f4xx_hal_uart.h"
 
 namespace driver::usart {
+
+constexpr const uint8_t TX_BUFSIZE{20};
+constexpr const uint8_t TX_TIMEOUT_MS{200};
+
 class Usart {
    public:
     explicit Usart(USART_TypeDef* usart, uint32_t baudRate, uint32_t wordLength, uint32_t stopBits,
@@ -23,6 +27,5 @@ class Usart {
     UART_HandleTypeDef mHandle{};
 
     void tx(std::string_view range);
-    void flush();
 };
 }  // namespace driver::usart

Core/Src/usart.cpp

@@ -1,18 +1,13 @@
 #include "usart.hpp"
 
-#include <algorithm>
 #include <stdint.h>
 
-#include <ranges>
 #include <string_view>
 
 #include "stm32f4xx_hal_uart.h"
-#include "usart.h"
 
 namespace driver::usart {
 
-constexpr const uint8_t TX_BUFSIZE{20};
-
 Usart::Usart(USART_TypeDef* usart, uint32_t baudRate, uint32_t wordLength, uint32_t stopBits,
              uint32_t parity, uint32_t mode, uint32_t hwFlowCtl, uint32_t overSampling)
     : mHandle{.Instance = usart,
@@ -37,14 +32,10 @@ void Usart::println(const std::string_view str) {
     tx("\r\n");
 }
 
-void Usart::flush() {
-
-};
-
 void Usart::tx(const std::string_view range) {
     for (uint32_t pt{0}; pt <= range.size(); pt += TX_BUFSIZE) {
         HAL_UART_Transmit(&mHandle, reinterpret_cast<const uint8_t*>(range.begin() + pt),
-                          TX_BUFSIZE, 200);
+                          TX_BUFSIZE, TX_TIMEOUT_MS);
     }
 };