retargetserial.c File Reference

Provide stdio retargeting to USART/UART or LEUART. More...

#include <stdio.h>
#include "em_device.h"
#include "em_cmu.h"
#include "em_int.h"
#include "em_gpio.h"
#include "retargetserial.h"
#include "retargetserialconfig.h"
Include dependency graph for retargetserial.c:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Defines

#define RXBUFSIZE   8
 Buffer size for RX.

Functions

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

Variables

static volatile int rxReadIndex = 0
 Index in buffer to be read.
static volatile int rxWriteIndex = 0
 Index in buffer to be written to.
static volatile int rxCount = 0
 Keeps track of how much data which are stored in the buffer.
static volatile uint8_t rxBuffer [RXBUFSIZE]
 Buffer to store data.
static uint8_t LFtoCRLF = 0
 LF to CRLF conversion disabled.
static bool initialized = false
 Initialize UART/LEUART.

Detailed Description

Provide stdio retargeting to USART/UART or LEUART.

Author:
Energy Micro AS
Version:
3.20.0

License

(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. 4. The source and compiled code may only be used on Energy Micro "EFM32" microcontrollers and "EFR4" radios.

DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no obligation to support this Software. Energy Micro AS is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.

Energy Micro AS will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.

Definition in file retargetserial.c.