LCDモジュール ACM1602NI(I2C接続) を制御するライブラリ
Dependents: scan2 BoxController
LcdAcm1602ni.cpp@10:4ceccdba0248, 2016-12-15 (annotated)
- Committer:
- orivant
- Date:
- Thu Dec 15 16:05:57 2016 +0000
- Revision:
- 10:4ceccdba0248
- Parent:
- 9:96baac039a90
- Child:
- 11:e0849411adfa
I2C?????????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
orivant | 0:c7da9183f23a | 1 | /** LCDモジュール ACM1602NI を制御するクラスの定義 |
orivant | 0:c7da9183f23a | 2 | */ |
orivant | 0:c7da9183f23a | 3 | #include "LcdAcm1602ni.h" |
orivant | 0:c7da9183f23a | 4 | |
orivant | 0:c7da9183f23a | 5 | const uint8_t LcdAcm1602ni::LINE_HEAD_ADDR_TBL[LINE_COUNT] = {0x00, 0x40}; //!< 行の先頭アドレス |
orivant | 0:c7da9183f23a | 6 | |
orivant | 0:c7da9183f23a | 7 | /** コンストラクタ |
orivant | 0:c7da9183f23a | 8 | */ |
orivant | 0:c7da9183f23a | 9 | LcdAcm1602ni::LcdAcm1602ni(PinName pinSDA, PinName pinSCL) |
orivant | 0:c7da9183f23a | 10 | :m_pinSDA(pinSDA) |
orivant | 0:c7da9183f23a | 11 | ,m_pinSCL(pinSCL) |
orivant | 0:c7da9183f23a | 12 | ,m_i2c(pinSDA, pinSCL) |
orivant | 0:c7da9183f23a | 13 | ,m_currentLineNo(0) |
orivant | 0:c7da9183f23a | 14 | ,m_currentCharaNo(0) |
orivant | 0:c7da9183f23a | 15 | ,m_displayVisible(true) |
orivant | 0:c7da9183f23a | 16 | ,m_cursorVisible(false) |
orivant | 0:c7da9183f23a | 17 | ,m_blinkEnable(false) |
orivant | 0:c7da9183f23a | 18 | { |
orivant | 0:c7da9183f23a | 19 | } |
orivant | 0:c7da9183f23a | 20 | /** デストラクタ |
orivant | 0:c7da9183f23a | 21 | */ |
orivant | 0:c7da9183f23a | 22 | LcdAcm1602ni::~LcdAcm1602ni() |
orivant | 0:c7da9183f23a | 23 | { |
orivant | 0:c7da9183f23a | 24 | } |
orivant | 0:c7da9183f23a | 25 | |
orivant | 0:c7da9183f23a | 26 | |
orivant | 0:c7da9183f23a | 27 | /** 初期化 |
orivant | 0:c7da9183f23a | 28 | */ |
orivant | 0:c7da9183f23a | 29 | void LcdAcm1602ni::initialize() |
orivant | 0:c7da9183f23a | 30 | { |
orivant | 0:c7da9183f23a | 31 | // I2C通信の周波数設定 |
orivant | 0:c7da9183f23a | 32 | m_i2c.frequency(I2C_MAX_FREQUENCY); |
orivant | 0:c7da9183f23a | 33 | |
orivant | 0:c7da9183f23a | 34 | uint8_t command; |
orivant | 9:96baac039a90 | 35 | |
orivant | 9:96baac039a90 | 36 | // 画面クリア(00000001 = 0x01) |
orivant | 9:96baac039a90 | 37 | writeCommand(0x01); |
orivant | 9:96baac039a90 | 38 | wait_us(2160); |
orivant | 0:c7da9183f23a | 39 | |
orivant | 0:c7da9183f23a | 40 | // ファンクション設定(0011[8bitモード]1[2行モード]0[文字5x8表示モー]00 = 00111000 = 0x38) |
orivant | 0:c7da9183f23a | 41 | writeCommand(0x38); |
orivant | 0:c7da9183f23a | 42 | wait_us(53); |
orivant | 0:c7da9183f23a | 43 | |
orivant | 0:c7da9183f23a | 44 | // ディスプレイ表示 |
orivant | 0:c7da9183f23a | 45 | command = calcDisplayControlByteData(); |
orivant | 0:c7da9183f23a | 46 | writeCommand(command); |
orivant | 0:c7da9183f23a | 47 | wait_us(53); |
orivant | 0:c7da9183f23a | 48 | |
orivant | 9:96baac039a90 | 49 | // データ書き込み後アドレス加算モード設定(0000011[インクリメント]0 = 00000110 = 0x06) |
orivant | 9:96baac039a90 | 50 | writeCommand(0x06); |
orivant | 9:96baac039a90 | 51 | wait_us(53); |
orivant | 9:96baac039a90 | 52 | |
orivant | 0:c7da9183f23a | 53 | } |
orivant | 0:c7da9183f23a | 54 | |
orivant | 0:c7da9183f23a | 55 | |
orivant | 0:c7da9183f23a | 56 | /** 1文字描画 |
orivant | 0:c7da9183f23a | 57 | */ |
orivant | 0:c7da9183f23a | 58 | void LcdAcm1602ni::putc(char c) |
orivant | 0:c7da9183f23a | 59 | { |
orivant | 0:c7da9183f23a | 60 | // 1文字書き込み |
orivant | 0:c7da9183f23a | 61 | writeData(c); |
orivant | 0:c7da9183f23a | 62 | // カーソル位置管理処理 |
orivant | 0:c7da9183f23a | 63 | bool ret = incCursorPos(); |
orivant | 0:c7da9183f23a | 64 | if (ret) { |
orivant | 0:c7da9183f23a | 65 | // 復帰・改行が発生したのでカーソル位置変更 |
orivant | 0:c7da9183f23a | 66 | uint8_t addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 67 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 68 | } |
orivant | 0:c7da9183f23a | 69 | } |
orivant | 0:c7da9183f23a | 70 | /** 文字列描画 |
orivant | 0:c7da9183f23a | 71 | */ |
orivant | 0:c7da9183f23a | 72 | void LcdAcm1602ni::puts(const char* pStr) |
orivant | 0:c7da9183f23a | 73 | { |
orivant | 0:c7da9183f23a | 74 | uint8_t addr; |
orivant | 0:c7da9183f23a | 75 | bool ret; |
orivant | 0:c7da9183f23a | 76 | const char* pt = pStr; |
orivant | 0:c7da9183f23a | 77 | bool stayLocate = false; |
orivant | 0:c7da9183f23a | 78 | while (*pt) { |
orivant | 0:c7da9183f23a | 79 | const char &c = *pt; |
orivant | 0:c7da9183f23a | 80 | if (c == '\r') { |
orivant | 0:c7da9183f23a | 81 | // 復帰コードの場合、行の先頭にカーソルを移動する |
orivant | 0:c7da9183f23a | 82 | m_currentCharaNo = 0; |
orivant | 0:c7da9183f23a | 83 | // 実際の移動処理は後で行う |
orivant | 0:c7da9183f23a | 84 | stayLocate = true; |
orivant | 0:c7da9183f23a | 85 | } |
orivant | 0:c7da9183f23a | 86 | else if (c == '\n') { |
orivant | 0:c7da9183f23a | 87 | // 改行コードの場合、次の行にカーソルを移動する |
orivant | 0:c7da9183f23a | 88 | m_currentLineNo = (m_currentLineNo + 1) % LINE_COUNT; |
orivant | 0:c7da9183f23a | 89 | // 実際の移動処理は後で行う |
orivant | 0:c7da9183f23a | 90 | stayLocate = true; |
orivant | 0:c7da9183f23a | 91 | } |
orivant | 0:c7da9183f23a | 92 | else { |
orivant | 0:c7da9183f23a | 93 | // 通常の文字コードの場合 |
orivant | 0:c7da9183f23a | 94 | if (stayLocate) { |
orivant | 0:c7da9183f23a | 95 | // 復帰・改行の予約がある場合は先に処理 |
orivant | 0:c7da9183f23a | 96 | addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 97 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 98 | stayLocate = false; |
orivant | 0:c7da9183f23a | 99 | } |
orivant | 0:c7da9183f23a | 100 | // 1文字書き込み |
orivant | 0:c7da9183f23a | 101 | writeData(c); |
orivant | 0:c7da9183f23a | 102 | // カーソル位置管理処理 |
orivant | 0:c7da9183f23a | 103 | ret = incCursorPos(); |
orivant | 0:c7da9183f23a | 104 | if (ret) { |
orivant | 0:c7da9183f23a | 105 | // 改行が発生したのでカーソル位置変更 |
orivant | 0:c7da9183f23a | 106 | // 実際の移動処理は後で行う |
orivant | 0:c7da9183f23a | 107 | stayLocate = true; |
orivant | 0:c7da9183f23a | 108 | } |
orivant | 0:c7da9183f23a | 109 | } |
orivant | 0:c7da9183f23a | 110 | pt++; |
orivant | 0:c7da9183f23a | 111 | } |
orivant | 0:c7da9183f23a | 112 | if (stayLocate) { |
orivant | 0:c7da9183f23a | 113 | // 復帰・改行の予約が残っている場合は処理する |
orivant | 0:c7da9183f23a | 114 | addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 115 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 116 | } |
orivant | 0:c7da9183f23a | 117 | } |
orivant | 0:c7da9183f23a | 118 | /** フォーマット指定描画 |
orivant | 0:c7da9183f23a | 119 | */ |
orivant | 0:c7da9183f23a | 120 | void LcdAcm1602ni::printf(const char* pFormat, ...) |
orivant | 0:c7da9183f23a | 121 | { |
orivant | 0:c7da9183f23a | 122 | va_list ap; |
orivant | 0:c7da9183f23a | 123 | va_start(ap, pFormat); |
orivant | 0:c7da9183f23a | 124 | char* allocatedBuffer; |
orivant | 0:c7da9183f23a | 125 | int size = vasprintf(&allocatedBuffer, pFormat, ap); |
orivant | 0:c7da9183f23a | 126 | va_end(ap); |
orivant | 0:c7da9183f23a | 127 | puts(allocatedBuffer); |
orivant | 0:c7da9183f23a | 128 | free(allocatedBuffer); |
orivant | 0:c7da9183f23a | 129 | } |
orivant | 0:c7da9183f23a | 130 | |
orivant | 0:c7da9183f23a | 131 | |
orivant | 0:c7da9183f23a | 132 | /** カーソル位置変更 |
orivant | 0:c7da9183f23a | 133 | */ |
orivant | 0:c7da9183f23a | 134 | void LcdAcm1602ni::locate(uint8_t lineNo, uint8_t charaNo) |
orivant | 0:c7da9183f23a | 135 | { |
orivant | 0:c7da9183f23a | 136 | if (lineNo >= LINE_COUNT) lineNo = LINE_COUNT - 1; |
orivant | 0:c7da9183f23a | 137 | if (charaNo >= LINE_CHARA_COUNT) charaNo = LINE_CHARA_COUNT - 1; |
orivant | 0:c7da9183f23a | 138 | m_currentLineNo = lineNo; |
orivant | 0:c7da9183f23a | 139 | m_currentCharaNo = charaNo; |
orivant | 0:c7da9183f23a | 140 | uint8_t addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 141 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 142 | } |
orivant | 0:c7da9183f23a | 143 | /** カーソル位置取得:行番号 |
orivant | 0:c7da9183f23a | 144 | */ |
orivant | 0:c7da9183f23a | 145 | uint8_t LcdAcm1602ni::getCurrentLineNo() const |
orivant | 0:c7da9183f23a | 146 | { |
orivant | 0:c7da9183f23a | 147 | return m_currentLineNo; |
orivant | 0:c7da9183f23a | 148 | } |
orivant | 0:c7da9183f23a | 149 | /** カーソル位置取得:文字番号 |
orivant | 0:c7da9183f23a | 150 | */ |
orivant | 0:c7da9183f23a | 151 | uint8_t LcdAcm1602ni::getCurrentCharaNo() const |
orivant | 0:c7da9183f23a | 152 | { |
orivant | 0:c7da9183f23a | 153 | return m_currentCharaNo; |
orivant | 0:c7da9183f23a | 154 | } |
orivant | 0:c7da9183f23a | 155 | |
orivant | 0:c7da9183f23a | 156 | |
orivant | 0:c7da9183f23a | 157 | /** 画面クリア |
orivant | 0:c7da9183f23a | 158 | */ |
orivant | 0:c7da9183f23a | 159 | void LcdAcm1602ni::clearDisplay() |
orivant | 0:c7da9183f23a | 160 | { |
orivant | 0:c7da9183f23a | 161 | writeCommand(0x01); |
orivant | 0:c7da9183f23a | 162 | wait_us(2160); |
orivant | 10:4ceccdba0248 | 163 | locate(0, 0); |
orivant | 0:c7da9183f23a | 164 | } |
orivant | 0:c7da9183f23a | 165 | /** 行クリア |
orivant | 0:c7da9183f23a | 166 | */ |
orivant | 0:c7da9183f23a | 167 | void LcdAcm1602ni::clearLine(uint8_t lineNo) |
orivant | 0:c7da9183f23a | 168 | { |
orivant | 0:c7da9183f23a | 169 | if (lineNo >= LINE_COUNT) return; |
orivant | 0:c7da9183f23a | 170 | |
orivant | 0:c7da9183f23a | 171 | // クリアする行の先頭に移動 |
orivant | 0:c7da9183f23a | 172 | uint8_t addr = calcCursorAddr(lineNo, 0); |
orivant | 0:c7da9183f23a | 173 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 174 | // 1行全体に' '書き込み |
orivant | 0:c7da9183f23a | 175 | for (uint8_t i = 0; i < LINE_CHARA_COUNT; i++) { |
orivant | 0:c7da9183f23a | 176 | writeData(' '); |
orivant | 0:c7da9183f23a | 177 | } |
orivant | 0:c7da9183f23a | 178 | // カーソル位置をクリアした行の先頭に移動 |
orivant | 0:c7da9183f23a | 179 | m_currentLineNo = lineNo; |
orivant | 0:c7da9183f23a | 180 | m_currentCharaNo = 0; |
orivant | 0:c7da9183f23a | 181 | addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 182 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 183 | } |
orivant | 0:c7da9183f23a | 184 | /** 範囲クリア |
orivant | 0:c7da9183f23a | 185 | */ |
orivant | 0:c7da9183f23a | 186 | void LcdAcm1602ni::clearRange(uint8_t startLineNo, uint8_t startCharaNo, uint8_t endLineNo, uint8_t endCharaNo) |
orivant | 0:c7da9183f23a | 187 | { |
orivant | 0:c7da9183f23a | 188 | if (startLineNo >= LINE_COUNT) return; |
orivant | 0:c7da9183f23a | 189 | if (startCharaNo >= LINE_CHARA_COUNT) return; |
orivant | 0:c7da9183f23a | 190 | if (startLineNo > endLineNo) return; |
orivant | 0:c7da9183f23a | 191 | if (startCharaNo > endCharaNo) return; |
orivant | 0:c7da9183f23a | 192 | if (endLineNo >= LINE_COUNT) endLineNo = LINE_COUNT - 1; |
orivant | 0:c7da9183f23a | 193 | if (endCharaNo >= LINE_CHARA_COUNT) endCharaNo = LINE_CHARA_COUNT - 1; |
orivant | 0:c7da9183f23a | 194 | |
orivant | 0:c7da9183f23a | 195 | uint8_t addr; |
orivant | 0:c7da9183f23a | 196 | for (uint8_t lineNo = startLineNo; lineNo <= endLineNo; lineNo++) { |
orivant | 0:c7da9183f23a | 197 | // 対象行の削除開始位置にカーソル移動 |
orivant | 0:c7da9183f23a | 198 | addr = calcCursorAddr(lineNo, startCharaNo); |
orivant | 0:c7da9183f23a | 199 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 200 | // 消す範囲に' 'を書き込み |
orivant | 0:c7da9183f23a | 201 | for (uint8_t charaNo = startCharaNo; charaNo <= endCharaNo; charaNo++) { |
orivant | 0:c7da9183f23a | 202 | writeData(' '); |
orivant | 0:c7da9183f23a | 203 | } |
orivant | 0:c7da9183f23a | 204 | } |
orivant | 0:c7da9183f23a | 205 | // クリアした範囲の開始位置にカーソルを移動 |
orivant | 0:c7da9183f23a | 206 | m_currentLineNo = startLineNo; |
orivant | 0:c7da9183f23a | 207 | m_currentCharaNo = startCharaNo; |
orivant | 0:c7da9183f23a | 208 | addr = calcCursorAddr(m_currentLineNo, m_currentCharaNo); |
orivant | 0:c7da9183f23a | 209 | writeCommand(0x80 | addr); |
orivant | 0:c7da9183f23a | 210 | } |
orivant | 0:c7da9183f23a | 211 | |
orivant | 0:c7da9183f23a | 212 | |
orivant | 0:c7da9183f23a | 213 | /** 画面の表示設定 |
orivant | 0:c7da9183f23a | 214 | */ |
orivant | 0:c7da9183f23a | 215 | void LcdAcm1602ni::setDisplayVisible(bool visible) |
orivant | 0:c7da9183f23a | 216 | { |
orivant | 0:c7da9183f23a | 217 | if (m_displayVisible == visible) return; |
orivant | 0:c7da9183f23a | 218 | m_displayVisible = visible; |
orivant | 0:c7da9183f23a | 219 | uint8_t command = calcDisplayControlByteData(); |
orivant | 0:c7da9183f23a | 220 | writeCommand(command); |
orivant | 0:c7da9183f23a | 221 | } |
orivant | 0:c7da9183f23a | 222 | /** 画面の表示設定取得 |
orivant | 0:c7da9183f23a | 223 | */ |
orivant | 0:c7da9183f23a | 224 | bool LcdAcm1602ni::getDisplayVisible() const |
orivant | 0:c7da9183f23a | 225 | { |
orivant | 0:c7da9183f23a | 226 | return m_displayVisible; |
orivant | 0:c7da9183f23a | 227 | } |
orivant | 0:c7da9183f23a | 228 | /** カーソルの表示設定 |
orivant | 0:c7da9183f23a | 229 | */ |
orivant | 0:c7da9183f23a | 230 | void LcdAcm1602ni::setCursorVisible(bool visible) |
orivant | 0:c7da9183f23a | 231 | { |
orivant | 0:c7da9183f23a | 232 | if (m_cursorVisible == visible) return; |
orivant | 0:c7da9183f23a | 233 | m_cursorVisible = visible; |
orivant | 0:c7da9183f23a | 234 | uint8_t command = calcDisplayControlByteData(); |
orivant | 0:c7da9183f23a | 235 | writeCommand(command); |
orivant | 0:c7da9183f23a | 236 | } |
orivant | 0:c7da9183f23a | 237 | /** カーソルの表示設定取得 |
orivant | 0:c7da9183f23a | 238 | */ |
orivant | 0:c7da9183f23a | 239 | bool LcdAcm1602ni::getCursorVisible() const |
orivant | 0:c7da9183f23a | 240 | { |
orivant | 0:c7da9183f23a | 241 | return m_cursorVisible; |
orivant | 0:c7da9183f23a | 242 | } |
orivant | 0:c7da9183f23a | 243 | /** カーソルの点滅設定 |
orivant | 0:c7da9183f23a | 244 | */ |
orivant | 0:c7da9183f23a | 245 | void LcdAcm1602ni::setBlinkEnable(bool enable) |
orivant | 0:c7da9183f23a | 246 | { |
orivant | 0:c7da9183f23a | 247 | if (m_blinkEnable == enable) return; |
orivant | 0:c7da9183f23a | 248 | m_blinkEnable = enable; |
orivant | 0:c7da9183f23a | 249 | uint8_t command = calcDisplayControlByteData(); |
orivant | 0:c7da9183f23a | 250 | writeCommand(command); |
orivant | 0:c7da9183f23a | 251 | } |
orivant | 0:c7da9183f23a | 252 | /** カーソルの点滅設定取得 |
orivant | 0:c7da9183f23a | 253 | */ |
orivant | 0:c7da9183f23a | 254 | bool LcdAcm1602ni::getBlinkEnable() const |
orivant | 0:c7da9183f23a | 255 | { |
orivant | 0:c7da9183f23a | 256 | return m_blinkEnable; |
orivant | 0:c7da9183f23a | 257 | } |
orivant | 0:c7da9183f23a | 258 | |
orivant | 0:c7da9183f23a | 259 | |
orivant | 0:c7da9183f23a | 260 | /** LCDコマンド書き込み |
orivant | 0:c7da9183f23a | 261 | */ |
orivant | 0:c7da9183f23a | 262 | void LcdAcm1602ni::writeCommand(uint8_t commandByte) |
orivant | 0:c7da9183f23a | 263 | { |
orivant | 0:c7da9183f23a | 264 | m_i2c.start(); |
orivant | 0:c7da9183f23a | 265 | m_i2c.write(ADDR_BYTE_WRITE); |
orivant | 0:c7da9183f23a | 266 | m_i2c.write(CTRL_BYTE_COMMAND); |
orivant | 0:c7da9183f23a | 267 | m_i2c.write(commandByte); |
orivant | 0:c7da9183f23a | 268 | m_i2c.stop(); |
orivant | 0:c7da9183f23a | 269 | } |
orivant | 0:c7da9183f23a | 270 | /** LCDデータ書き込み |
orivant | 0:c7da9183f23a | 271 | */ |
orivant | 0:c7da9183f23a | 272 | void LcdAcm1602ni::writeData(uint8_t dataByte) |
orivant | 0:c7da9183f23a | 273 | { |
orivant | 0:c7da9183f23a | 274 | m_i2c.start(); |
orivant | 0:c7da9183f23a | 275 | m_i2c.write(ADDR_BYTE_WRITE); |
orivant | 0:c7da9183f23a | 276 | m_i2c.write(CTRL_BYTE_DATA); |
orivant | 0:c7da9183f23a | 277 | m_i2c.write(dataByte); |
orivant | 0:c7da9183f23a | 278 | m_i2c.stop(); |
orivant | 0:c7da9183f23a | 279 | } |
orivant | 0:c7da9183f23a | 280 | |
orivant | 0:c7da9183f23a | 281 | |
orivant | 0:c7da9183f23a | 282 | /** ディスプレイ制御コマンド指定バイトデータの生成 |
orivant | 0:c7da9183f23a | 283 | */ |
orivant | 0:c7da9183f23a | 284 | uint8_t LcdAcm1602ni::calcDisplayControlByteData(bool displayVisible, bool cursorVisible, bool blinkEnable) const |
orivant | 0:c7da9183f23a | 285 | { |
orivant | 0:c7da9183f23a | 286 | uint8_t byteData = 0x08; |
orivant | 0:c7da9183f23a | 287 | if (displayVisible) byteData |= 0x04; |
orivant | 0:c7da9183f23a | 288 | if (cursorVisible) byteData |= 0x02; |
orivant | 0:c7da9183f23a | 289 | if (blinkEnable) byteData |= 0x01; |
orivant | 0:c7da9183f23a | 290 | return byteData; |
orivant | 0:c7da9183f23a | 291 | } |
orivant | 0:c7da9183f23a | 292 | |
orivant | 0:c7da9183f23a | 293 | |
orivant | 0:c7da9183f23a | 294 | /** カーソル位置移動管理 |
orivant | 0:c7da9183f23a | 295 | */ |
orivant | 0:c7da9183f23a | 296 | bool LcdAcm1602ni::incCursorPos() |
orivant | 0:c7da9183f23a | 297 | { |
orivant | 0:c7da9183f23a | 298 | m_currentCharaNo++; |
orivant | 0:c7da9183f23a | 299 | if (m_currentCharaNo >= LINE_CHARA_COUNT) { |
orivant | 0:c7da9183f23a | 300 | m_currentCharaNo = 0; |
orivant | 0:c7da9183f23a | 301 | m_currentLineNo = (m_currentLineNo + 1) % LINE_COUNT; |
orivant | 0:c7da9183f23a | 302 | return true; |
orivant | 0:c7da9183f23a | 303 | } |
orivant | 0:c7da9183f23a | 304 | return false; |
orivant | 0:c7da9183f23a | 305 | } |
orivant | 0:c7da9183f23a | 306 | |
orivant | 0:c7da9183f23a | 307 | |
orivant | 0:c7da9183f23a | 308 | /** カーソル位置のアドレス計算 |
orivant | 0:c7da9183f23a | 309 | */ |
orivant | 0:c7da9183f23a | 310 | uint8_t LcdAcm1602ni::calcCursorAddr(uint8_t lineNo, uint8_t charaNo) |
orivant | 0:c7da9183f23a | 311 | { |
orivant | 0:c7da9183f23a | 312 | uint8_t addr = LINE_HEAD_ADDR_TBL[lineNo] + charaNo; |
orivant | 0:c7da9183f23a | 313 | return addr; |
orivant | 0:c7da9183f23a | 314 | } |