Matias Bevilacqua
/
iSerial
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iSerial
by 
Yoji KURODA
iSerial.cpp@3:d5353b68105f, 2012-09-01 (annotated)
- Committer:
- ykuroda
- Date:
- Sat Sep 01 12:28:28 2012 +0000
- Revision:
- 3:d5353b68105f
- Parent:
- 2:3fc74f4d685a
- Child:
- 4:b38ef9675d39
name change
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| ykuroda | 3:d5353b68105f | 1 | // |
| ykuroda | 3:d5353b68105f | 2 | // iSerial.cpp ... Serial Driver with Interrupt Rec/Send |
| ykuroda | 3:d5353b68105f | 3 | // |
| ykuroda | 3:d5353b68105f | 4 | // 2009.11.13 ... Originally written by Y.Kuroda for Renesas H83664 |
| ykuroda | 3:d5353b68105f | 5 | // 2012.08.31 ... Code convert for mbed in C++ |
| ykuroda | 3:d5353b68105f | 6 | // |
| ykuroda | 3:d5353b68105f | 7 | #include "mbed.h" |
| ykuroda | 3:d5353b68105f | 8 | #include "RingBuffer.h" |
| ykuroda | 3:d5353b68105f | 9 | #include "iSerial.h" |
| ykuroda | 3:d5353b68105f | 10 | |
| ykuroda | 3:d5353b68105f | 11 | |
| ykuroda | 3:d5353b68105f | 12 | /* |
| ykuroda | 3:d5353b68105f | 13 | * Interrupt Function |
| ykuroda | 3:d5353b68105f | 14 | */ |
| ykuroda | 3:d5353b68105f | 15 | void |
| ykuroda | 3:d5353b68105f | 16 | iSerial::rx_handler(void) |
| ykuroda | 3:d5353b68105f | 17 | { |
| ykuroda | 3:d5353b68105f | 18 | if(Serial::readable()){ |
| ykuroda | 3:d5353b68105f | 19 | rxbuf.save(Serial::getc()); |
| ykuroda | 3:d5353b68105f | 20 | } |
| ykuroda | 3:d5353b68105f | 21 | |
| ykuroda | 3:d5353b68105f | 22 | NVIC_EnableIRQ(UART_IRQn); // UART1_IRQn); |
| ykuroda | 3:d5353b68105f | 23 | } |
| ykuroda | 3:d5353b68105f | 24 | |
| ykuroda | 3:d5353b68105f | 25 | void |
| ykuroda | 3:d5353b68105f | 26 | iSerial::tx_handler(void) |
| ykuroda | 3:d5353b68105f | 27 | { |
| ykuroda | 3:d5353b68105f | 28 | if(Serial::writeable()){ |
| ykuroda | 3:d5353b68105f | 29 | if(txbuf.check()){ |
| ykuroda | 3:d5353b68105f | 30 | Serial::putc( txbuf.read() ); |
| ykuroda | 3:d5353b68105f | 31 | } |
| ykuroda | 3:d5353b68105f | 32 | } |
| ykuroda | 3:d5353b68105f | 33 | NVIC_EnableIRQ(UART_IRQn); // UART1_IRQn); |
| ykuroda | 3:d5353b68105f | 34 | } |
| ykuroda | 3:d5353b68105f | 35 | |
| ykuroda | 3:d5353b68105f | 36 | /* |
| ykuroda | 3:d5353b68105f | 37 | * void sci_init(void) |
| ykuroda | 3:d5353b68105f | 38 | * |
| ykuroda | 3:d5353b68105f | 39 | *@|[gú»ÖDDDD·×ÄÌI/OÌÝèðsÁÄ¢éD |
| ykuroda | 3:d5353b68105f | 40 | * |
| ykuroda | 3:d5353b68105f | 41 | *@@øFȵ |
| ykuroda | 3:d5353b68105f | 42 | *@@ßèlFȵ |
| ykuroda | 3:d5353b68105f | 43 | * |
| ykuroda | 3:d5353b68105f | 44 | */ |
| ykuroda | 3:d5353b68105f | 45 | iSerial::iSerial(PinName _tx, PinName _rx, const char *_name, int _txbufsize, int _rxbufsize) |
| ykuroda | 3:d5353b68105f | 46 | : Serial(_tx, _rx, _name), |
| ykuroda | 3:d5353b68105f | 47 | txbuf(RingBuffer(_txbufsize)), |
| ykuroda | 3:d5353b68105f | 48 | rxbuf(RingBuffer(_rxbufsize)) |
| ykuroda | 3:d5353b68105f | 49 | { |
| ykuroda | 3:d5353b68105f | 50 | __disable_irq(); |
| ykuroda | 3:d5353b68105f | 51 | |
| ykuroda | 3:d5353b68105f | 52 | attach(this, &iSerial::tx_handler, Serial::TxIrq); |
| ykuroda | 3:d5353b68105f | 53 | attach(this, &iSerial::rx_handler, Serial::RxIrq); |
| ykuroda | 3:d5353b68105f | 54 | |
| ykuroda | 3:d5353b68105f | 55 | // format(8,Serial::None,1); // default |
| ykuroda | 3:d5353b68105f | 56 | // baud(baudrate); |
| ykuroda | 3:d5353b68105f | 57 | |
| ykuroda | 3:d5353b68105f | 58 | __enable_irq(); |
| ykuroda | 3:d5353b68105f | 59 | NVIC_EnableIRQ(UART_IRQn); // UART1_IRQn); |
| ykuroda | 3:d5353b68105f | 60 | } |
| ykuroda | 3:d5353b68105f | 61 | |
| ykuroda | 3:d5353b68105f | 62 | /* |
| ykuroda | 3:d5353b68105f | 63 | * VAüÍɶª é©Ç¤©`FbN |
| ykuroda | 3:d5353b68105f | 64 | * ÔlF obt@É é¶ |
| ykuroda | 3:d5353b68105f | 65 | */ |
| ykuroda | 3:d5353b68105f | 66 | int |
| ykuroda | 3:d5353b68105f | 67 | iSerial::readable(void) |
| ykuroda | 3:d5353b68105f | 68 | { |
| ykuroda | 3:d5353b68105f | 69 | return rxbuf.check(); |
| ykuroda | 3:d5353b68105f | 70 | } |
| ykuroda | 3:d5353b68105f | 71 | |
| ykuroda | 3:d5353b68105f | 72 | /* |
| ykuroda | 3:d5353b68105f | 73 | * VA©çê¶üÍ |
| ykuroda | 3:d5353b68105f | 74 | * --- ¶üÍðÒ |
| ykuroda | 3:d5353b68105f | 75 | */ |
| ykuroda | 3:d5353b68105f | 76 | int |
| ykuroda | 3:d5353b68105f | 77 | iSerial::getc(void) |
| ykuroda | 3:d5353b68105f | 78 | { |
| ykuroda | 3:d5353b68105f | 79 | unsigned short int c; |
| ykuroda | 3:d5353b68105f | 80 | |
| ykuroda | 3:d5353b68105f | 81 | while(!rxbuf.check()); |
| ykuroda | 3:d5353b68105f | 82 | c = rxbuf.read(); |
| ykuroda | 3:d5353b68105f | 83 | |
| ykuroda | 3:d5353b68105f | 84 | return c; |
| ykuroda | 3:d5353b68105f | 85 | } |
| ykuroda | 3:d5353b68105f | 86 | |
| ykuroda | 3:d5353b68105f | 87 | |
| ykuroda | 3:d5353b68105f | 88 | /* |
| ykuroda | 3:d5353b68105f | 89 | *@VAÖê¶oÍ |
| ykuroda | 3:d5353b68105f | 90 | */ |
| ykuroda | 3:d5353b68105f | 91 | void |
| ykuroda | 3:d5353b68105f | 92 | iSerial::putc(short ch) |
| ykuroda | 3:d5353b68105f | 93 | { |
| ykuroda | 3:d5353b68105f | 94 | if(txbuf.check()==0 && Serial::writeable()){ |
| ykuroda | 3:d5353b68105f | 95 | Serial::putc(ch); |
| ykuroda | 3:d5353b68105f | 96 | |
| ykuroda | 3:d5353b68105f | 97 | } else { |
| ykuroda | 3:d5353b68105f | 98 | while(txbuf.full()); |
| ykuroda | 3:d5353b68105f | 99 | txbuf.save(ch); |
| ykuroda | 3:d5353b68105f | 100 | NVIC_EnableIRQ(UART_IRQn); // UART1_IRQn); |
| ykuroda | 3:d5353b68105f | 101 | } |
| ykuroda | 3:d5353b68105f | 102 | } |
| ykuroda | 3:d5353b68105f | 103 | |
| ykuroda | 3:d5353b68105f | 104 | /* |
| ykuroda | 3:d5353b68105f | 105 | *@VAÖ¶ñðoÍ |
| ykuroda | 3:d5353b68105f | 106 | *@@FêñÌÅå¶ÍLINESIZE |
| ykuroda | 3:d5353b68105f | 107 | *@@F¶ñÌIíèÉÍk¶ªKvD |
| ykuroda | 3:d5353b68105f | 108 | * |
| ykuroda | 3:d5353b68105f | 109 | *@@øF¶ñÖÌ|C^ |
| ykuroda | 3:d5353b68105f | 110 | *@@ÔlFo͵½¶ |
| ykuroda | 3:d5353b68105f | 111 | */ |
| ykuroda | 3:d5353b68105f | 112 | short int |
| ykuroda | 3:d5353b68105f | 113 | iSerial::putstr(const char* s) |
| ykuroda | 3:d5353b68105f | 114 | { |
| ykuroda | 3:d5353b68105f | 115 | int i=0; |
| ykuroda | 3:d5353b68105f | 116 | for(; ; i++){ |
| ykuroda | 3:d5353b68105f | 117 | if(*s==0) break; |
| ykuroda | 3:d5353b68105f | 118 | putc(*s++); |
| ykuroda | 3:d5353b68105f | 119 | } |
| ykuroda | 3:d5353b68105f | 120 | return i; |
| ykuroda | 3:d5353b68105f | 121 | } |
| ykuroda | 3:d5353b68105f | 122 | |
| ykuroda | 3:d5353b68105f | 123 | /*@short int sci_puts(char* s) |
| ykuroda | 3:d5353b68105f | 124 | *@VAÖ¶ñðêsoÍ |
| ykuroda | 3:d5353b68105f | 125 | *@@FÅãÉüsR[hðé¼Ísci_putstrƯ¶ |
| ykuroda | 3:d5353b68105f | 126 | * |
| ykuroda | 3:d5353b68105f | 127 | *@@øF¶ñÖÌ|C^ |
| ykuroda | 3:d5353b68105f | 128 | *@@ÔlFo͵½¶ |
| ykuroda | 3:d5353b68105f | 129 | */ |
| ykuroda | 3:d5353b68105f | 130 | short int |
| ykuroda | 3:d5353b68105f | 131 | iSerial::puts(const char* s) |
| ykuroda | 3:d5353b68105f | 132 | { |
| ykuroda | 3:d5353b68105f | 133 | short int n = putstr(s); |
| ykuroda | 3:d5353b68105f | 134 | putc(CR); |
| ykuroda | 3:d5353b68105f | 135 | putc(LF); |
| ykuroda | 3:d5353b68105f | 136 | return n; |
| ykuroda | 3:d5353b68105f | 137 | } |
| ykuroda | 3:d5353b68105f | 138 |