EFM32 Gecko Software Documentation  efm32g-doc-5.1.2
retargetserial.c File Reference

Detailed Description

Provide stdio retargeting to USART/UART or LEUART.

Version
5.1.1

License

Copyright 2015 Silicon Labs, Inc. http://www.silabs.com

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file retargetserial.c.

#include <stdio.h>
#include "em_device.h"
#include "em_cmu.h"
#include "em_core.h"
#include "em_gpio.h"
#include "retargetserial.h"

Go to the source code of this file.

Macros

#define RXBUFSIZE   8
 

Functions

void RETARGET_IRQ_NAME (void)
 UART/LEUART IRQ Handler.
 
int RETARGET_ReadChar (void)
 Receive a byte from USART/LEUART and put into global buffer. More...
 
void RETARGET_SerialCrLf (int on)
 UART/LEUART toggle LF to CRLF conversion. More...
 
void RETARGET_SerialInit (void)
 Intializes UART/LEUART.
 
int RETARGET_WriteChar (char c)
 Transmit single byte to USART/LEUART. More...
 

Variables

static bool initialized = false
 
static uint8_t LFtoCRLF = 0
 
static volatile uint8_t rxBuffer [RXBUFSIZE]
 
static volatile int rxCount = 0
 
static volatile int rxReadIndex = 0
 
static volatile int rxWriteIndex = 0