Asynchronous (Non-blocking) Serial Communication library with variable length software ring buffer (FIFO). You can use primary method of the RawSerial Library. Operability confirmed on mbed 2.0. (Rev.146)

Dependencies:   FIFO

Dependents:   InvertedPendulum2017 SerialConnect mbed_2018 mbed_2019_rx3 ... more

Revision:
5:a50cdaa90d6a
Parent:
4:c7555051a851
Child:
6:08e3b1bba0ac
--- a/AsyncSerial.cpp	Thu Mar 30 12:58:56 2017 +0000
+++ b/AsyncSerial.cpp	Thu Mar 30 13:13:01 2017 +0000
@@ -1,195 +1,195 @@
-// -*- coding: utf-8 -*-
-/**
- @file		AsyncSerial.cpp
- @brief	 	Asynchronous (Non-brocking) Serial Communication library with variable length software ring buffer (FIFO). You can use also RawSerial Library's method. You can set the baudrate of the serial communication when instantiating.
- 
- @author	T.Kawamura
- @version	1.0
- @date		2017-03-29	T.Kawamura	Written for C++/mbed.
- @date		2017-03-30	T.Kawamura	Bug Fixed: Cannot use format(), baud().
- 
- @see 
- Copyright (C) 2017 T.Kawamura.
- Released under the MIT license.
- http://opensource.org/licenses/mit-license.php
- 
-*/
-
-#include "AsyncSerial.hpp"
-
-AsyncSerial::AsyncSerial(PinName txpin, PinName rxpin, uint32_t baudrate, uint32_t buffer_size) : RawSerial(txpin, rxpin, baudrate), fifo_tx(buffer_size), fifo_rx(buffer_size){
-	//Initialize ISR
-	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
-	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);
-
-	fifo_tx.clear();
-	fifo_rx.clear();
-	
-	Is_Serial_Sending = false;
-
-	return;
-}
-
-AsyncSerial::~AsyncSerial(){
-	RawSerial::attach(NULL, RawSerial::TxIrq);
-	RawSerial::attach(NULL, RawSerial::RxIrq);
-
-	return;
-}
-
-void AsyncSerial::ISR_TX(void){
-	int data;
-
-	if( fifo_tx.available() > 0 ){
-		data = (int)fifo_tx.get();
-		RawSerial::putc(data);
-	}else{
-		Is_Serial_Sending = false;
-	}	
-}
-
-void AsyncSerial::ISR_RX(void){
-	uint8_t data;
-
-	data = (uint8_t)RawSerial::getc();
-	fifo_rx.put(data);
-}
-
-int AsyncSerial::readable(void){
-	return (int)fifo_rx.available();
-}
-
-int AsyncSerial::writeable(void){
-	return 1;
-}
-
-int AsyncSerial::getc(void){
-	return (int)fifo_rx.get();
-}
-
-int AsyncSerial::peekc(void){
-	return (int)fifo_rx.peek();
-}
-
-int AsyncSerial::putc(int c){
-	int status;
-
-	if( Is_Serial_Sending ){
-		status = fifo_tx.put((uint8_t)c);
-		if( status != 0 ){
-			return 1;
-		}else{
-			return 0;
-		}
-	}else{
-		Is_Serial_Sending = true;
-		RawSerial::putc(c);
-	}
-	return 1;
-}
-
-int AsyncSerial::puts(const char *str){
-	uint8_t temp;
-	int status = 0;
-
-	for(uint32_t i = 0; i < strlen(str); i++){
-		temp = (uint8_t)str[i];
-		status = fifo_tx.put(temp);
-	}
-
-	if( !Is_Serial_Sending ){
-		Is_Serial_Sending = true;
-		RawSerial::putc((int)fifo_tx.get());
-	}
-
-	if( status == 0 ){
-		return 0;
-	}
-
-	AsyncSerial::putc('\n');
-	return 1;
-}
-
-int AsyncSerial::printf(const char *format, ...){
-	int32_t wrote_length = 0;
-	char string_buffer[PRINTF_STRING_BUFFER_SIZE];
-
-	memset(string_buffer, 0, PRINTF_STRING_BUFFER_SIZE);
-	
-	va_list arg;
-	va_start(arg, format);
-	wrote_length = vsprintf(string_buffer, format, arg);
-	
-	if( wrote_length > PRINTF_STRING_BUFFER_SIZE ) {
-		error("%s @ %d : String is too large, string buffer overwrite. (Max buffer size: %d Wrote length: %d)\n", __FILE__, __LINE__, PRINTF_STRING_BUFFER_SIZE, wrote_length);
-		va_end(arg);
-		return 0;
-	}
-
-	if( wrote_length < 0 ){
-		va_end(arg);
-		error("Function vsprintf() was failed.");
-		return 0;
-	}
-
-	va_end(arg);
-	wrote_length = AsyncSerial::write((uint8_t*)string_buffer, wrote_length);
-	
-	return (uint16_t)wrote_length;
-}
-
-int AsyncSerial::write(const uint8_t *buffer, int length){
-	uint8_t temp;
-	int status;
-	
-	if ( length < 1 ){
-		return 0;
-	}
-
-	for(uint32_t i = 0; i < length; i++){
-		temp = (uint8_t)buffer[i];
-		status = fifo_tx.put(temp);
-	}
-
-	if( !Is_Serial_Sending ){
-		Is_Serial_Sending = true;
-		RawSerial::putc((int)fifo_tx.get());
-	}
-
-	if( status == 0 ){
-		return 0;
-	}
-
-	return 1;	
-}
-
-void AsyncSerial::flush(void){
-	fifo_rx.clear();
-	return;
-}
-
-void AsyncSerial::wait(void){
-	while( fifo_rx.available() > 0 ){}
-	return;
-}
-
-void AsyncSerial::format(int bits, Parity parity, int stop_bits){
-	RawSerial::attach(NULL, RawSerial::TxIrq);
-	RawSerial::attach(NULL, RawSerial::RxIrq);
-
-	RawSerial::format(bits, parity, stop_bits);
-
-	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
-	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);
-}
-
-void AsyncSerial::baud(int baudrate){
-	RawSerial::attach(NULL, RawSerial::TxIrq);
-	RawSerial::attach(NULL, RawSerial::RxIrq);
-
-	RawSerial::baud(baudrate);
-
-	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
-	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);	
-}
+// -*- coding: utf-8 -*-
+/**
+ @file		AsyncSerial.cpp
+ @brief	 	Asynchronous (Non-brocking) Serial Communication library with variable length software ring buffer (FIFO). You can use also RawSerial Library's method. You can set the baudrate of the serial communication when instantiating.
+ 
+ @author	T.Kawamura
+ @version	1.1
+ @date		2017-03-29	T.Kawamura	Written for C++/mbed.
+ @date		2017-03-30	T.Kawamura	Bug Fixed: Cannot use format(), baud().
+ 
+ @see 
+ Copyright (C) 2017 T.Kawamura.
+ Released under the MIT license.
+ http://opensource.org/licenses/mit-license.php
+ 
+*/
+
+#include "AsyncSerial.hpp"
+
+AsyncSerial::AsyncSerial(PinName txpin, PinName rxpin, uint32_t baudrate, uint32_t buffer_size) : RawSerial(txpin, rxpin, baudrate), fifo_tx(buffer_size), fifo_rx(buffer_size){
+	//Initialize ISR
+	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
+	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);
+
+	fifo_tx.clear();
+	fifo_rx.clear();
+	
+	Is_Serial_Sending = false;
+
+	return;
+}
+
+AsyncSerial::~AsyncSerial(){
+	RawSerial::attach(NULL, RawSerial::TxIrq);
+	RawSerial::attach(NULL, RawSerial::RxIrq);
+
+	return;
+}
+
+void AsyncSerial::ISR_TX(void){
+	int data;
+
+	if( fifo_tx.available() > 0 ){
+		data = (int)fifo_tx.get();
+		RawSerial::putc(data);
+	}else{
+		Is_Serial_Sending = false;
+	}	
+}
+
+void AsyncSerial::ISR_RX(void){
+	uint8_t data;
+
+	data = (uint8_t)RawSerial::getc();
+	fifo_rx.put(data);
+}
+
+int AsyncSerial::readable(void){
+	return (int)fifo_rx.available();
+}
+
+int AsyncSerial::writeable(void){
+	return 1;
+}
+
+int AsyncSerial::getc(void){
+	return (int)fifo_rx.get();
+}
+
+int AsyncSerial::peekc(void){
+	return (int)fifo_rx.peek();
+}
+
+int AsyncSerial::putc(int c){
+	int status;
+
+	if( Is_Serial_Sending ){
+		status = fifo_tx.put((uint8_t)c);
+		if( status != 0 ){
+			return 1;
+		}else{
+			return 0;
+		}
+	}else{
+		Is_Serial_Sending = true;
+		RawSerial::putc(c);
+	}
+	return 1;
+}
+
+int AsyncSerial::puts(const char *str){
+	uint8_t temp;
+	int status = 0;
 
+	for(uint32_t i = 0; i < strlen(str); i++){
+		temp = (uint8_t)str[i];
+		status = fifo_tx.put(temp);
+	}
+
+	if( !Is_Serial_Sending ){
+		Is_Serial_Sending = true;
+		RawSerial::putc((int)fifo_tx.get());
+	}
+
+	if( status == 0 ){
+		return 0;
+	}
+
+	AsyncSerial::putc('\n');
+	return 1;
+}
+
+int AsyncSerial::printf(const char *format, ...){
+	int32_t wrote_length = 0;
+	char string_buffer[PRINTF_STRING_BUFFER_SIZE];
+
+	memset(string_buffer, 0, PRINTF_STRING_BUFFER_SIZE);
+	
+	va_list arg;
+	va_start(arg, format);
+	wrote_length = vsprintf(string_buffer, format, arg);
+	
+	if( wrote_length > PRINTF_STRING_BUFFER_SIZE ) {
+		error("%s @ %d : String is too large, string buffer overwrite. (Max buffer size: %d Wrote length: %d)\n", __FILE__, __LINE__, PRINTF_STRING_BUFFER_SIZE, wrote_length);
+		va_end(arg);
+		return 0;
+	}
+
+	if( wrote_length < 0 ){
+		va_end(arg);
+		error("Function vsprintf() was failed.");
+		return 0;
+	}
+
+	va_end(arg);
+	wrote_length = AsyncSerial::write((uint8_t*)string_buffer, wrote_length);
+	
+	return (uint16_t)wrote_length;
+}
+
+int AsyncSerial::write(const uint8_t *buffer, int length){
+	uint8_t temp;
+	int status;
+	
+	if ( length < 1 ){
+		return 0;
+	}
+
+	for(uint32_t i = 0; i < length; i++){
+		temp = (uint8_t)buffer[i];
+		status = fifo_tx.put(temp);
+	}
+
+	if( !Is_Serial_Sending ){
+		Is_Serial_Sending = true;
+		RawSerial::putc((int)fifo_tx.get());
+	}
+
+	if( status == 0 ){
+		return 0;
+	}
+
+	return 1;	
+}
+
+void AsyncSerial::flush(void){
+	fifo_rx.clear();
+	return;
+}
+
+void AsyncSerial::wait(void){
+	while( fifo_rx.available() > 0 ){}
+	return;
+}
+
+void AsyncSerial::format(int bits, Parity parity, int stop_bits){
+	RawSerial::attach(NULL, RawSerial::TxIrq);
+	RawSerial::attach(NULL, RawSerial::RxIrq);
+
+	RawSerial::format(bits, parity, stop_bits);
+
+	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
+	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);
+}
+
+void AsyncSerial::baud(int baudrate){
+	RawSerial::attach(NULL, RawSerial::TxIrq);
+	RawSerial::attach(NULL, RawSerial::RxIrq);
+
+	RawSerial::baud(baudrate);
+
+	RawSerial::attach(this, &AsyncSerial::ISR_TX, RawSerial::TxIrq);
+	RawSerial::attach(this, &AsyncSerial::ISR_RX, RawSerial::RxIrq);	
+}
+