retargetserial.c File Reference
Provide stdio retargeting to USART/UART or LEUART.
License
Copyright 2018 Silicon Laboratories Inc. www.silabs.com
SPDX-License-Identifier: Zlib
The licensor of this software is Silicon Laboratories Inc.
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
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:
- The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
- Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
- This notice may not be removed or altered from any source distribution.
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
"
#include "retargetserialconfig.h"
Macros |
|
| #define | _GENERIC_UART_STATUS_IDLE LEUART_STATUS_TXIDLE |
| #define | RXBUFSIZE 8 |
Functions |
|
| static void | disableRxInterrupt () |
|
Disable RX interrupt.
|
|
| static void | enableRxInterrupt () |
|
Enable RX interrupt.
|
|
| void | RETARGET_IRQ_NAME (void) |
|
UART/LEUART IRQ Handler.
|
|
| int | RETARGET_ReadChar (void) |
|
Receive a byte from USART/LEUART and put into global buffer.
|
|
| void | RETARGET_SerialCrLf (int on) |
|
UART/LEUART toggle LF to CRLF conversion.
|
|
| bool | RETARGET_SerialEnableFlowControl (void) |
|
Enable hardware flow control. (RTS + CTS)
|
|
| void | RETARGET_SerialFlush (void) |
|
Flush UART/LEUART.
|
|
| void | RETARGET_SerialInit (void) |
|
Intializes UART/LEUART.
|
|
| int | RETARGET_WriteChar (char c) |
|
Transmit single byte to USART/LEUART.
|
|
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 |