VOC / Mbed 2 deprecated Dumb_box_rev2

test

Dependencies:   Nanopb iSerial mbed BaseJpegDecode FatFileSystem SDFileSystem RingBuffer Camera_LS_Y201

iSerial/iSerial.cpp@0:d69efd0ee139, 2014-09-18 (annotated)

Committer:
cgraham
Date:
Thu Sep 18 15:21:47 2014 +0000
Revision:
0:d69efd0ee139
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cgraham 0:d69efd0ee139 1 //
cgraham 0:d69efd0ee139 2 // iSerial.cpp ... Serial Driver with Interrupt Rec/Send
cgraham 0:d69efd0ee139 3 //
cgraham 0:d69efd0ee139 4 // 2009.11.13 ... Originally written by Y.Kuroda for Renesas H83664
cgraham 0:d69efd0ee139 5 // 2012.08.31 ... Code convert for mbed in C++
cgraham 0:d69efd0ee139 6 //
cgraham 0:d69efd0ee139 7 #include <stdarg.h>
cgraham 0:d69efd0ee139 8 #include "mbed.h"
cgraham 0:d69efd0ee139 9 #include "RingBuffer.h"
cgraham 0:d69efd0ee139 10 #include "iSerial.h"
cgraham 0:d69efd0ee139 11
cgraham 0:d69efd0ee139 12 //DigitalOut led3(LED3);
cgraham 0:d69efd0ee139 13 //DigitalOut led4(LED4);
cgraham 0:d69efd0ee139 14
cgraham 0:d69efd0ee139 15
cgraham 0:d69efd0ee139 16 void
cgraham 0:d69efd0ee139 17 iSerial::enable_uart_irq(void)
cgraham 0:d69efd0ee139 18 {
cgraham 0:d69efd0ee139 19 switch(tx){
cgraham 0:d69efd0ee139 20 case USBTX:
cgraham 0:d69efd0ee139 21 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 22 NVIC_EnableIRQ(UART2_IRQn);
cgraham 0:d69efd0ee139 23 #elif defined(TARGET_LPC11U24)
cgraham 0:d69efd0ee139 24 NVIC_EnableIRQ(UART_IRQn);
cgraham 0:d69efd0ee139 25 #endif
cgraham 0:d69efd0ee139 26 // led1 = !led1;
cgraham 0:d69efd0ee139 27 break;
cgraham 0:d69efd0ee139 28
cgraham 0:d69efd0ee139 29 case p9:
cgraham 0:d69efd0ee139 30 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 31 NVIC_EnableIRQ(UART1_IRQn);
cgraham 0:d69efd0ee139 32 #elif defined(TARGET_LPC11U24)
cgraham 0:d69efd0ee139 33 NVIC_EnableIRQ(UART_IRQn);
cgraham 0:d69efd0ee139 34 #endif
cgraham 0:d69efd0ee139 35 break;
cgraham 0:d69efd0ee139 36
cgraham 0:d69efd0ee139 37 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 38 case p13:
cgraham 0:d69efd0ee139 39 NVIC_EnableIRQ(UART3_IRQn);
cgraham 0:d69efd0ee139 40 break;
cgraham 0:d69efd0ee139 41 case p28:
cgraham 0:d69efd0ee139 42 NVIC_EnableIRQ(UART0_IRQn);
cgraham 0:d69efd0ee139 43 break;
cgraham 0:d69efd0ee139 44 #endif
cgraham 0:d69efd0ee139 45 }
cgraham 0:d69efd0ee139 46 }
cgraham 0:d69efd0ee139 47
cgraham 0:d69efd0ee139 48 void
cgraham 0:d69efd0ee139 49 iSerial::disable_uart_irq(void)
cgraham 0:d69efd0ee139 50 {
cgraham 0:d69efd0ee139 51 switch(tx){
cgraham 0:d69efd0ee139 52 case USBTX:
cgraham 0:d69efd0ee139 53 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 54 NVIC_DisableIRQ(UART2_IRQn);
cgraham 0:d69efd0ee139 55 #elif defined(TARGET_LPC11U24)
cgraham 0:d69efd0ee139 56 NVIC_DisableIRQ(UART_IRQn);
cgraham 0:d69efd0ee139 57 #endif
cgraham 0:d69efd0ee139 58 // led1 = !led1;
cgraham 0:d69efd0ee139 59 break;
cgraham 0:d69efd0ee139 60
cgraham 0:d69efd0ee139 61 case p9:
cgraham 0:d69efd0ee139 62 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 63 NVIC_DisableIRQ(UART1_IRQn);
cgraham 0:d69efd0ee139 64 #elif defined(TARGET_LPC11U24)
cgraham 0:d69efd0ee139 65 NVIC_DisableIRQ(UART_IRQn);
cgraham 0:d69efd0ee139 66 #endif
cgraham 0:d69efd0ee139 67 break;
cgraham 0:d69efd0ee139 68
cgraham 0:d69efd0ee139 69 #if defined(TARGET_LPC1768)
cgraham 0:d69efd0ee139 70 case p13:
cgraham 0:d69efd0ee139 71 NVIC_DisableIRQ(UART3_IRQn);
cgraham 0:d69efd0ee139 72 break;
cgraham 0:d69efd0ee139 73 case p28:
cgraham 0:d69efd0ee139 74 NVIC_DisableIRQ(UART0_IRQn);
cgraham 0:d69efd0ee139 75 break;
cgraham 0:d69efd0ee139 76 #endif
cgraham 0:d69efd0ee139 77 }
cgraham 0:d69efd0ee139 78 }
cgraham 0:d69efd0ee139 79
cgraham 0:d69efd0ee139 80 /*
cgraham 0:d69efd0ee139 81 * Interrupt Function
cgraham 0:d69efd0ee139 82 */
cgraham 0:d69efd0ee139 83 void
cgraham 0:d69efd0ee139 84 iSerial::rx_handler(void)
cgraham 0:d69efd0ee139 85 {
cgraham 0:d69efd0ee139 86 // led3 = 1;
cgraham 0:d69efd0ee139 87 while(Serial::readable())
cgraham 0:d69efd0ee139 88 rxbuf.save(Serial::getc());
cgraham 0:d69efd0ee139 89 // led3 = 0;
cgraham 0:d69efd0ee139 90 }
cgraham 0:d69efd0ee139 91
cgraham 0:d69efd0ee139 92 void
cgraham 0:d69efd0ee139 93 iSerial::tx_handler(void)
cgraham 0:d69efd0ee139 94 {
cgraham 0:d69efd0ee139 95 // led4 = 1;
cgraham 0:d69efd0ee139 96 while(Serial::writeable() && txbuf.check())
cgraham 0:d69efd0ee139 97 Serial::putc( txbuf.read() );
cgraham 0:d69efd0ee139 98 // led4 = 0;
cgraham 0:d69efd0ee139 99 }
cgraham 0:d69efd0ee139 100
cgraham 0:d69efd0ee139 101 iSerial::iSerial(PinName _tx, PinName _rx, const char *_name, int _txbufsize, int _rxbufsize)
cgraham 0:d69efd0ee139 102 : Serial(_tx, _rx, _name),
cgraham 0:d69efd0ee139 103 tx(_tx),
cgraham 0:d69efd0ee139 104 rx(_rx),
cgraham 0:d69efd0ee139 105 txbufsize(_txbufsize),
cgraham 0:d69efd0ee139 106 rxbufsize(_rxbufsize),
cgraham 0:d69efd0ee139 107 txbuf(RingBuffer(txbufsize)),
cgraham 0:d69efd0ee139 108 rxbuf(RingBuffer(rxbufsize)),
cgraham 0:d69efd0ee139 109 str(new char [txbufsize])
cgraham 0:d69efd0ee139 110 {
cgraham 0:d69efd0ee139 111 __disable_irq();
cgraham 0:d69efd0ee139 112
cgraham 0:d69efd0ee139 113 attach(this, &iSerial::tx_handler, Serial::TxIrq);
cgraham 0:d69efd0ee139 114 attach(this, &iSerial::rx_handler, Serial::RxIrq);
cgraham 0:d69efd0ee139 115
cgraham 0:d69efd0ee139 116 // format(8,Serial::None,1); // default
cgraham 0:d69efd0ee139 117 // baud(baudrate);
cgraham 0:d69efd0ee139 118
cgraham 0:d69efd0ee139 119 __enable_irq();
cgraham 0:d69efd0ee139 120 enable_uart_irq();
cgraham 0:d69efd0ee139 121 }
cgraham 0:d69efd0ee139 122
cgraham 0:d69efd0ee139 123 iSerial::~iSerial()
cgraham 0:d69efd0ee139 124 {
cgraham 0:d69efd0ee139 125 delete [] str;
cgraham 0:d69efd0ee139 126 }
cgraham 0:d69efd0ee139 127
cgraham 0:d69efd0ee139 128 int
cgraham 0:d69efd0ee139 129 iSerial::readable(void)
cgraham 0:d69efd0ee139 130 {
cgraham 0:d69efd0ee139 131 return rxbuf.check();
cgraham 0:d69efd0ee139 132 }
cgraham 0:d69efd0ee139 133
cgraham 0:d69efd0ee139 134 int
cgraham 0:d69efd0ee139 135 iSerial::getc(void)
cgraham 0:d69efd0ee139 136 {
cgraham 0:d69efd0ee139 137 unsigned short int c;
cgraham 0:d69efd0ee139 138
cgraham 0:d69efd0ee139 139 while(!rxbuf.check()); // wait receiving a character
cgraham 0:d69efd0ee139 140 disable_uart_irq();
cgraham 0:d69efd0ee139 141 c = rxbuf.read();
cgraham 0:d69efd0ee139 142 enable_uart_irq();
cgraham 0:d69efd0ee139 143
cgraham 0:d69efd0ee139 144 return c;
cgraham 0:d69efd0ee139 145 }
cgraham 0:d69efd0ee139 146
cgraham 0:d69efd0ee139 147 void
cgraham 0:d69efd0ee139 148 iSerial::putc(short ch)
cgraham 0:d69efd0ee139 149 {
cgraham 0:d69efd0ee139 150 if(txbuf.check()==0 && Serial::writeable()){
cgraham 0:d69efd0ee139 151 Serial::putc(ch);
cgraham 0:d69efd0ee139 152
cgraham 0:d69efd0ee139 153 } else {
cgraham 0:d69efd0ee139 154 while(txbuf.full()){
cgraham 0:d69efd0ee139 155 disable_uart_irq();
cgraham 0:d69efd0ee139 156 tx_handler();
cgraham 0:d69efd0ee139 157 enable_uart_irq();
cgraham 0:d69efd0ee139 158 }
cgraham 0:d69efd0ee139 159
cgraham 0:d69efd0ee139 160 disable_uart_irq();
cgraham 0:d69efd0ee139 161 txbuf.save(ch);
cgraham 0:d69efd0ee139 162 enable_uart_irq();
cgraham 0:d69efd0ee139 163 }
cgraham 0:d69efd0ee139 164 }
cgraham 0:d69efd0ee139 165
cgraham 0:d69efd0ee139 166 short int
cgraham 0:d69efd0ee139 167 iSerial::putstr(const char* s)
cgraham 0:d69efd0ee139 168 {
cgraham 0:d69efd0ee139 169 int i=0;
cgraham 0:d69efd0ee139 170 for(; ; i++){
cgraham 0:d69efd0ee139 171 if(*s==0) break;
cgraham 0:d69efd0ee139 172 putc(*s++);
cgraham 0:d69efd0ee139 173 }
cgraham 0:d69efd0ee139 174 return i;
cgraham 0:d69efd0ee139 175 }
cgraham 0:d69efd0ee139 176
cgraham 0:d69efd0ee139 177 short int
cgraham 0:d69efd0ee139 178 iSerial::puts(const char* s)
cgraham 0:d69efd0ee139 179 {
cgraham 0:d69efd0ee139 180 short int n = putstr(s);
cgraham 0:d69efd0ee139 181 putc(CR);
cgraham 0:d69efd0ee139 182 putc(LF);
cgraham 0:d69efd0ee139 183 return n;
cgraham 0:d69efd0ee139 184 }
cgraham 0:d69efd0ee139 185
cgraham 0:d69efd0ee139 186 char*
cgraham 0:d69efd0ee139 187 iSerial::printf(const char* format, ...)
cgraham 0:d69efd0ee139 188 {
cgraham 0:d69efd0ee139 189 va_list arg;
cgraham 0:d69efd0ee139 190 va_start(arg,format);
cgraham 0:d69efd0ee139 191 vsprintf(str, format, arg);
cgraham 0:d69efd0ee139 192 va_end(arg);
cgraham 0:d69efd0ee139 193 putstr(str);
cgraham 0:d69efd0ee139 194 return str;
cgraham 0:d69efd0ee139 195 }
cgraham 0:d69efd0ee139 196
cgraham 0:d69efd0ee139 197
cgraham 0:d69efd0ee139 198 void
cgraham 0:d69efd0ee139 199 iSerial::flush(void)
cgraham 0:d69efd0ee139 200 {
cgraham 0:d69efd0ee139 201 while(txbuf.check())
cgraham 0:d69efd0ee139 202 enable_uart_irq();
cgraham 0:d69efd0ee139 203 }
cgraham 0:d69efd0ee139 204
cgraham 0:d69efd0ee139 205