chore(uart): remove useless uart_write() function

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

cores/arduino/stm32/uart.h

@@ -228,7 +228,6 @@ void uart_deinit(serial_t *obj);
 #if defined(HAL_PWR_MODULE_ENABLED) && (defined(UART_IT_WUF) || defined(LPUART1_BASE))
 void uart_config_lowpower(serial_t *obj);
 #endif
-size_t uart_write(serial_t *obj, uint8_t data, uint16_t size);
 int uart_getc(serial_t *obj, unsigned char *c);
 void uart_attach_rx_callback(serial_t *obj, void (*callback)(serial_t *));
 void uart_attach_tx_callback(serial_t *obj, int (*callback)(serial_t *), size_t size);

libraries/SrcWrapper/src/stm32/uart.c

@@ -660,22 +660,6 @@ void uart_config_lowpower(serial_t *obj)
 }
 #endif
 
-/**
-  * @brief  write the data on the uart
-  * @param  obj : pointer to serial_t structure
-  * @param  data : byte to write
-  * @param  size : number of data to write
-  * @retval The number of bytes written
-  */
-size_t uart_write(serial_t *obj, uint8_t data, uint16_t size)
-{
-  if (HAL_UART_Transmit(uart_handlers[obj->index], &data, size, TX_TIMEOUT) == HAL_OK) {
-    return size;
-  } else {
-    return 0;
-  }
-}
-
 /**
   * @brief  Function called to initialize the debug uart interface
   * @note   Call only if debug U(S)ART peripheral is not already initialized