Akifumi Takahashi / SerialInputReactionHandler

listen serial input and react by callback registered.

Dependents:   Interference_Simple StrCommandHandler_Demo SerialInputReactionHandler_DEMO

SerialInputReactionHandler.cpp@1:fd211f137803, 2019-11-12 (annotated)

Committer:
aktk
Date:
Tue Nov 12 02:41:58 2019 +0000
Revision:
1:fd211f137803
Parent:
0:ec916055f0dd
Child:
2:4718a4eaf340
make the process that confirms arrow symbols a function and applied it to listenKBSingleInput();

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aktk 0:ec916055f0dd 1 #include "SerialInputReactionHandler.h"
aktk 0:ec916055f0dd 2
aktk 0:ec916055f0dd 3 char const * const SerialInputReactionHandler::ARROW_UP = "\x1b\x5b\x41";
aktk 0:ec916055f0dd 4 char const * const SerialInputReactionHandler::ARROW_DOWN = "\x1b\x5b\x42";
aktk 0:ec916055f0dd 5 char const * const SerialInputReactionHandler::ARROW_RIGHT= "\x1b\x5b\x43";
aktk 0:ec916055f0dd 6 char const * const SerialInputReactionHandler::ARROW_LEFT = "\x1b\x5b\x44";
aktk 0:ec916055f0dd 7
aktk 0:ec916055f0dd 8 SerialInputReactionHandler::SerialInputReactionHandler(
aktk 0:ec916055f0dd 9 Callback<int(char const * const)> arg_callback_onCommand
aktk 0:ec916055f0dd 10 )
aktk 0:ec916055f0dd 11 {
aktk 0:ec916055f0dd 12 funcIfInput[KB_SINGLE_INPUT] = &SerialInputReactionHandler::listenKBSingleInput;
aktk 0:ec916055f0dd 13 funcIfInput[KB_TILL_ENTER] = &SerialInputReactionHandler::listenKBTillEnter;
aktk 0:ec916055f0dd 14 callback_onCommand = arg_callback_onCommand;
aktk 0:ec916055f0dd 15 }
aktk 0:ec916055f0dd 16
aktk 0:ec916055f0dd 17 void SerialInputReactionHandler::attach(
aktk 0:ec916055f0dd 18 Callback<int (char const * const)> arg_callback_onCommand
aktk 0:ec916055f0dd 19 )
aktk 0:ec916055f0dd 20 {
aktk 0:ec916055f0dd 21 callback_onCommand = arg_callback_onCommand;
aktk 0:ec916055f0dd 22 }
aktk 0:ec916055f0dd 23
aktk 0:ec916055f0dd 24 void SerialInputReactionHandler::startReception(
aktk 0:ec916055f0dd 25 Serial * arg_serial_socket,
aktk 0:ec916055f0dd 26 InputMode arg_mode
aktk 0:ec916055f0dd 27 )
aktk 0:ec916055f0dd 28 {
aktk 0:ec916055f0dd 29 m_serial_socket = arg_serial_socket;
aktk 0:ec916055f0dd 30 m_input_mode = arg_mode;
aktk 0:ec916055f0dd 31 m_serial_socket->attach(callback(this, &SerialInputReactionHandler::sig_bind));
aktk 0:ec916055f0dd 32 }
aktk 0:ec916055f0dd 33
aktk 0:ec916055f0dd 34 void SerialInputReactionHandler::quit()
aktk 0:ec916055f0dd 35 {
aktk 0:ec916055f0dd 36 m_serial_socket->attach(NULL);
aktk 1:fd211f137803 37 }
aktk 0:ec916055f0dd 38
aktk 0:ec916055f0dd 39 void SerialInputReactionHandler::commonProcedure()
aktk 0:ec916055f0dd 40 {
aktk 0:ec916055f0dd 41 }
aktk 0:ec916055f0dd 42
aktk 0:ec916055f0dd 43 void SerialInputReactionHandler::sig_bind()
aktk 0:ec916055f0dd 44 {
aktk 0:ec916055f0dd 45 commonProcedure();
aktk 0:ec916055f0dd 46 (this->*funcIfInput[m_input_mode])();
aktk 0:ec916055f0dd 47 }
aktk 0:ec916055f0dd 48
aktk 0:ec916055f0dd 49 void SerialInputReactionHandler::changeMode(InputMode arg_mode)
aktk 0:ec916055f0dd 50 {
aktk 0:ec916055f0dd 51 discardBuffer();
aktk 0:ec916055f0dd 52 m_input_mode = arg_mode;
aktk 0:ec916055f0dd 53 }
aktk 0:ec916055f0dd 54
aktk 0:ec916055f0dd 55 void SerialInputReactionHandler::listenKBSingleInput()
aktk 0:ec916055f0dd 56 {
aktk 0:ec916055f0dd 57 m_buffer_c = m_serial_socket->getc();
aktk 0:ec916055f0dd 58 m_buffer_s = m_buffer_c;
aktk 1:fd211f137803 59 if(m_buffer_c != 0x1B && isArrowSymbol())
aktk 1:fd211f137803 60 callback_onCommand(m_buffer_s.c_str());
aktk 0:ec916055f0dd 61 m_serial_socket->printf("Single key board input: %c (%x)\n", m_buffer_c, m_buffer_c);
aktk 0:ec916055f0dd 62 discardBuffer();
aktk 0:ec916055f0dd 63 }
aktk 0:ec916055f0dd 64
aktk 0:ec916055f0dd 65 bool isUpperCase (const char arg_c)
aktk 0:ec916055f0dd 66 {
aktk 0:ec916055f0dd 67 return ('A' <= arg_c && arg_c <= 'Z');
aktk 0:ec916055f0dd 68 }
aktk 0:ec916055f0dd 69
aktk 0:ec916055f0dd 70 bool isLowerCase (const char arg_c)
aktk 0:ec916055f0dd 71 {
aktk 0:ec916055f0dd 72 return ('a' <= arg_c && arg_c <= 'z');
aktk 0:ec916055f0dd 73 }
aktk 0:ec916055f0dd 74
aktk 0:ec916055f0dd 75 bool isSymbol (const char arg_c)
aktk 0:ec916055f0dd 76 {
aktk 0:ec916055f0dd 77 return ((0x20 <= arg_c && arg_c <= 0x40)
aktk 0:ec916055f0dd 78 || (0x5B <= arg_c && arg_c <= 0x60)
aktk 0:ec916055f0dd 79 || (0x7B <= arg_c && arg_c <= 0x7E));
aktk 0:ec916055f0dd 80 }
aktk 0:ec916055f0dd 81
aktk 1:fd211f137803 82 bool SerialInputReactionHandler::isArrowSymbol()
aktk 1:fd211f137803 83 {
aktk 1:fd211f137803 84 // If only 0x1B, ESC KEY should be Pressed, else some symbol sequence.
aktk 1:fd211f137803 85 if (m_buffer_c == 0x1B && m_serial_socket->readable()) {
aktk 1:fd211f137803 86 m_buffer_s = m_buffer_c;
aktk 1:fd211f137803 87 m_buffer_c = m_serial_socket->getc();
aktk 1:fd211f137803 88
aktk 1:fd211f137803 89 // If 0x5B follows, it coul be arrow key was pressed
aktk 1:fd211f137803 90 if (m_buffer_c == 0x5B && m_serial_socket->readable()) {
aktk 1:fd211f137803 91 m_buffer_s += m_buffer_c;
aktk 1:fd211f137803 92 m_buffer_c = m_serial_socket->getc();
aktk 1:fd211f137803 93 } else m_buffer_c = 0x1B;
aktk 1:fd211f137803 94
aktk 1:fd211f137803 95 m_buffer_s += m_buffer_c;
aktk 1:fd211f137803 96 } else m_buffer_c = 0x1B;
aktk 1:fd211f137803 97
aktk 1:fd211f137803 98 if (m_buffer_c == 0x1B) return false;
aktk 1:fd211f137803 99 else return true;
aktk 1:fd211f137803 100 }
aktk 1:fd211f137803 101
aktk 1:fd211f137803 102
aktk 0:ec916055f0dd 103 void SerialInputReactionHandler::listenKBTillEnter()
aktk 0:ec916055f0dd 104 {
aktk 0:ec916055f0dd 105 __disable_irq();
aktk 0:ec916055f0dd 106 m_buffer_c = m_serial_socket->getc();
aktk 1:fd211f137803 107
aktk 0:ec916055f0dd 108 if ( isUpperCase(m_buffer_c) || isLowerCase(m_buffer_c) || isSymbol( m_buffer_c)) {
aktk 0:ec916055f0dd 109
aktk 0:ec916055f0dd 110 if(m_buffer_s.length() != 0 && m_buffer_s[0] != '\0')
aktk 0:ec916055f0dd 111 m_buffer_s += m_buffer_c;
aktk 0:ec916055f0dd 112 else
aktk 0:ec916055f0dd 113 m_buffer_s = m_buffer_c;
aktk 0:ec916055f0dd 114 m_serial_socket->putc(m_buffer_c);
aktk 0:ec916055f0dd 115
aktk 0:ec916055f0dd 116 } else if ( m_buffer_c == '\n' || m_buffer_c == '\r') {
aktk 0:ec916055f0dd 117
aktk 0:ec916055f0dd 118 callback_onCommand(m_buffer_s.c_str());
aktk 0:ec916055f0dd 119 m_serial_socket->putc(m_buffer_c);
aktk 0:ec916055f0dd 120 discardBuffer();
aktk 0:ec916055f0dd 121
aktk 1:fd211f137803 122 } else if (isArrowSymbol()) {
aktk 0:ec916055f0dd 123
aktk 1:fd211f137803 124 // Arrows
aktk 1:fd211f137803 125 callback_onCommand(m_buffer_s.c_str());
aktk 0:ec916055f0dd 126 discardBuffer();
aktk 0:ec916055f0dd 127
aktk 0:ec916055f0dd 128 } else {
aktk 0:ec916055f0dd 129 switch (m_buffer_c) {
aktk 0:ec916055f0dd 130 case 0x08 /*BS */:
aktk 0:ec916055f0dd 131 case 0x7F /*DEL*/:
aktk 0:ec916055f0dd 132 m_buffer_s.erase(m_buffer_s.end() - 1);
aktk 0:ec916055f0dd 133 //m_serial_socket->putc(0x7F);
aktk 0:ec916055f0dd 134 m_serial_socket->putc(0x08);
aktk 0:ec916055f0dd 135 m_serial_socket->putc(0x20);
aktk 0:ec916055f0dd 136 m_serial_socket->putc(0x08);
aktk 0:ec916055f0dd 137 break;
aktk 0:ec916055f0dd 138 case 0x1B /*ESC*/:
aktk 1:fd211f137803 139 discardBuffer();
aktk 0:ec916055f0dd 140 break;
aktk 0:ec916055f0dd 141
aktk 0:ec916055f0dd 142 }
aktk 0:ec916055f0dd 143 }
aktk 0:ec916055f0dd 144 __enable_irq();
aktk 0:ec916055f0dd 145 }