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TM1638.cpp@4:b2bbdc58967e, 2016-01-31 (annotated)
- Committer:
- wim
- Date:
- Sun Jan 31 12:11:06 2016 +0000
- Revision:
- 4:b2bbdc58967e
- Parent:
- 3:25ddabfadc8c
- Child:
- 5:346d7c9dd1b2
Added QYF-TM1638 and LKM1638, refactoring of writeData()
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wim | 0:201dfacbe0e5 | 1 | /* mbed TM1638 Library, for TM1638 LED controller |
wim | 0:201dfacbe0e5 | 2 | * Copyright (c) 2015, v01: WH, Initial version |
wim | 2:532ce15ea9ec | 3 | * 2016, v02: WH, Added ASCII alphabet display selector, refactored display and keyboard defines |
wim | 4:b2bbdc58967e | 4 | * 2016, v03: WH, Added QYF-TM1638 and LKM1638, refactoring of writeData() |
wim | 0:201dfacbe0e5 | 5 | * |
wim | 0:201dfacbe0e5 | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
wim | 0:201dfacbe0e5 | 7 | * of this software and associated documentation files (the "Software"), to deal |
wim | 0:201dfacbe0e5 | 8 | * in the Software without restriction, including without limitation the rights |
wim | 0:201dfacbe0e5 | 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
wim | 0:201dfacbe0e5 | 10 | * copies of the Software, and to permit persons to whom the Software is |
wim | 0:201dfacbe0e5 | 11 | * furnished to do so, subject to the following conditions: |
wim | 0:201dfacbe0e5 | 12 | * |
wim | 0:201dfacbe0e5 | 13 | * The above copyright notice and this permission notice shall be included in |
wim | 0:201dfacbe0e5 | 14 | * all copies or substantial portions of the Software. |
wim | 0:201dfacbe0e5 | 15 | * |
wim | 0:201dfacbe0e5 | 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
wim | 0:201dfacbe0e5 | 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
wim | 0:201dfacbe0e5 | 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
wim | 0:201dfacbe0e5 | 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
wim | 0:201dfacbe0e5 | 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
wim | 0:201dfacbe0e5 | 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
wim | 0:201dfacbe0e5 | 22 | * THE SOFTWARE. |
wim | 0:201dfacbe0e5 | 23 | */ |
wim | 0:201dfacbe0e5 | 24 | #include "mbed.h" |
wim | 0:201dfacbe0e5 | 25 | #include "TM1638.h" |
wim | 0:201dfacbe0e5 | 26 | |
wim | 0:201dfacbe0e5 | 27 | /** Constructor for class for driving TM1638 LED controller with SPI bus interface device. |
wim | 0:201dfacbe0e5 | 28 | * @brief Supports 8 digits @ 10 segments. |
wim | 0:201dfacbe0e5 | 29 | * Also supports a scanned keyboard of upto 24 keys. |
wim | 0:201dfacbe0e5 | 30 | * |
wim | 0:201dfacbe0e5 | 31 | * @param PinName mosi, miso, sclk, cs SPI bus pins |
wim | 0:201dfacbe0e5 | 32 | */ |
wim | 0:201dfacbe0e5 | 33 | TM1638::TM1638(PinName mosi, PinName miso, PinName sclk, PinName cs) : _spi(mosi,miso,sclk), _cs(cs) { |
wim | 0:201dfacbe0e5 | 34 | |
wim | 0:201dfacbe0e5 | 35 | _init(); |
wim | 0:201dfacbe0e5 | 36 | } |
wim | 0:201dfacbe0e5 | 37 | |
wim | 0:201dfacbe0e5 | 38 | /** Init the SPI interface and the controller |
wim | 0:201dfacbe0e5 | 39 | * @param none |
wim | 0:201dfacbe0e5 | 40 | * @return none |
wim | 0:201dfacbe0e5 | 41 | */ |
wim | 0:201dfacbe0e5 | 42 | void TM1638::_init(){ |
wim | 0:201dfacbe0e5 | 43 | |
wim | 0:201dfacbe0e5 | 44 | //init SPI |
wim | 0:201dfacbe0e5 | 45 | _cs=1; |
wim | 0:201dfacbe0e5 | 46 | _spi.format(8,3); //TM1638 uses mode 3 (Clock High on Idle, Data latched on second (=rising) edge) |
wim | 0:201dfacbe0e5 | 47 | _spi.frequency(500000); |
wim | 0:201dfacbe0e5 | 48 | |
wim | 0:201dfacbe0e5 | 49 | //init controller |
wim | 0:201dfacbe0e5 | 50 | _display = TM1638_DSP_ON; |
wim | 0:201dfacbe0e5 | 51 | _bright = TM1638_BRT_DEF; |
wim | 0:201dfacbe0e5 | 52 | _writeCmd(TM1638_DSP_CTRL_CMD, _display | _bright ); // Display control cmd, display on/off, brightness |
wim | 0:201dfacbe0e5 | 53 | |
wim | 0:201dfacbe0e5 | 54 | _writeCmd(TM1638_DATA_SET_CMD, TM1638_DATA_WR | TM1638_ADDR_INC | TM1638_MODE_NORM); // Data set cmd, normal mode, auto incr, write data |
wim | 0:201dfacbe0e5 | 55 | } |
wim | 0:201dfacbe0e5 | 56 | |
wim | 0:201dfacbe0e5 | 57 | |
wim | 0:201dfacbe0e5 | 58 | /** Clear the screen and locate to 0 |
wim | 0:201dfacbe0e5 | 59 | */ |
wim | 0:201dfacbe0e5 | 60 | void TM1638::cls() { |
wim | 0:201dfacbe0e5 | 61 | |
wim | 0:201dfacbe0e5 | 62 | _cs=0; |
wim | 0:201dfacbe0e5 | 63 | wait_us(1); |
wim | 0:201dfacbe0e5 | 64 | _spi.write(_flip(TM1638_ADDR_SET_CMD | 0x00)); // Address set cmd, 0 |
wim | 0:201dfacbe0e5 | 65 | |
wim | 0:201dfacbe0e5 | 66 | for (int cnt=0; cnt<TM1638_DISPLAY_MEM; cnt++) { |
wim | 0:201dfacbe0e5 | 67 | _spi.write(0x00); // data |
wim | 0:201dfacbe0e5 | 68 | } |
wim | 0:201dfacbe0e5 | 69 | |
wim | 0:201dfacbe0e5 | 70 | wait_us(1); |
wim | 0:201dfacbe0e5 | 71 | _cs=1; |
wim | 0:201dfacbe0e5 | 72 | } |
wim | 0:201dfacbe0e5 | 73 | |
wim | 0:201dfacbe0e5 | 74 | /** Set Brightness |
wim | 0:201dfacbe0e5 | 75 | * |
wim | 0:201dfacbe0e5 | 76 | * @param char brightness (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle) |
wim | 0:201dfacbe0e5 | 77 | * @return none |
wim | 0:201dfacbe0e5 | 78 | */ |
wim | 0:201dfacbe0e5 | 79 | void TM1638::setBrightness(char brightness){ |
wim | 0:201dfacbe0e5 | 80 | |
wim | 0:201dfacbe0e5 | 81 | _bright = brightness & TM1638_BRT_MSK; // mask invalid bits |
wim | 0:201dfacbe0e5 | 82 | |
wim | 0:201dfacbe0e5 | 83 | _writeCmd(TM1638_DSP_CTRL_CMD, _display | _bright ); // Display control cmd, display on/off, brightness |
wim | 0:201dfacbe0e5 | 84 | } |
wim | 0:201dfacbe0e5 | 85 | |
wim | 0:201dfacbe0e5 | 86 | /** Set the Display mode On/off |
wim | 0:201dfacbe0e5 | 87 | * |
wim | 0:201dfacbe0e5 | 88 | * @param bool display mode |
wim | 0:201dfacbe0e5 | 89 | */ |
wim | 0:201dfacbe0e5 | 90 | void TM1638::setDisplay(bool on) { |
wim | 0:201dfacbe0e5 | 91 | |
wim | 0:201dfacbe0e5 | 92 | if (on) { |
wim | 0:201dfacbe0e5 | 93 | _display = TM1638_DSP_ON; |
wim | 0:201dfacbe0e5 | 94 | } |
wim | 0:201dfacbe0e5 | 95 | else { |
wim | 0:201dfacbe0e5 | 96 | _display = TM1638_DSP_OFF; |
wim | 0:201dfacbe0e5 | 97 | } |
wim | 0:201dfacbe0e5 | 98 | |
wim | 0:201dfacbe0e5 | 99 | _writeCmd(TM1638_DSP_CTRL_CMD, _display | _bright ); // Display control cmd, display on/off, brightness |
wim | 0:201dfacbe0e5 | 100 | } |
wim | 0:201dfacbe0e5 | 101 | |
wim | 4:b2bbdc58967e | 102 | |
wim | 0:201dfacbe0e5 | 103 | /** Write databyte to TM1638 |
wim | 4:b2bbdc58967e | 104 | * @param char data byte written at given address |
wim | 0:201dfacbe0e5 | 105 | * @param int address display memory location to write byte |
wim | 0:201dfacbe0e5 | 106 | * @return none |
wim | 0:201dfacbe0e5 | 107 | */ |
wim | 4:b2bbdc58967e | 108 | void TM1638::writeData(char data, int address) { |
wim | 0:201dfacbe0e5 | 109 | _cs=0; |
wim | 0:201dfacbe0e5 | 110 | wait_us(1); |
wim | 0:201dfacbe0e5 | 111 | _spi.write(_flip(TM1638_ADDR_SET_CMD | (address & TM1638_ADDR_MSK))); // Set Address cmd |
wim | 0:201dfacbe0e5 | 112 | |
wim | 0:201dfacbe0e5 | 113 | _spi.write(_flip(data)); // data |
wim | 0:201dfacbe0e5 | 114 | |
wim | 0:201dfacbe0e5 | 115 | wait_us(1); |
wim | 0:201dfacbe0e5 | 116 | _cs=1; |
wim | 0:201dfacbe0e5 | 117 | } |
wim | 0:201dfacbe0e5 | 118 | |
wim | 4:b2bbdc58967e | 119 | |
wim | 0:201dfacbe0e5 | 120 | /** Write Display datablock to TM1638 |
wim | 4:b2bbdc58967e | 121 | * @param DisplayData_t data Array of TM1638_DISPLAY_MEM (=16) bytes for displaydata |
wim | 4:b2bbdc58967e | 122 | * @param length number bytes to write (valid range 0..TM1638_DISPLAY_MEM (=16), when starting at address 0) |
wim | 4:b2bbdc58967e | 123 | * @param int address display memory location to write bytes (default = 0) |
wim | 0:201dfacbe0e5 | 124 | * @return none |
wim | 0:201dfacbe0e5 | 125 | */ |
wim | 4:b2bbdc58967e | 126 | void TM1638::writeData(DisplayData_t data, int length, int address) { |
wim | 0:201dfacbe0e5 | 127 | _cs=0; |
wim | 0:201dfacbe0e5 | 128 | wait_us(1); |
wim | 4:b2bbdc58967e | 129 | |
wim | 0:201dfacbe0e5 | 130 | // sanity check |
wim | 4:b2bbdc58967e | 131 | address &= TM1638_ADDR_MSK; |
wim | 0:201dfacbe0e5 | 132 | if (length < 0) {length = 0;} |
wim | 4:b2bbdc58967e | 133 | if ((length + address) > TM1638_DISPLAY_MEM) {length = (TM1638_DISPLAY_MEM - address);} |
wim | 0:201dfacbe0e5 | 134 | |
wim | 4:b2bbdc58967e | 135 | // _spi.write(_flip(TM1638_ADDR_SET_CMD | 0x00)); // Set Address at 0 |
wim | 4:b2bbdc58967e | 136 | _spi.write(_flip(TM1638_ADDR_SET_CMD | address)); // Set Address |
wim | 4:b2bbdc58967e | 137 | |
wim | 0:201dfacbe0e5 | 138 | for (int idx=0; idx<length; idx++) { |
wim | 4:b2bbdc58967e | 139 | //_spi.write(_flip(data[idx])); // data |
wim | 4:b2bbdc58967e | 140 | _spi.write(_flip(data[address + idx])); // data |
wim | 0:201dfacbe0e5 | 141 | } |
wim | 0:201dfacbe0e5 | 142 | |
wim | 0:201dfacbe0e5 | 143 | wait_us(1); |
wim | 0:201dfacbe0e5 | 144 | _cs=1; |
wim | 0:201dfacbe0e5 | 145 | } |
wim | 0:201dfacbe0e5 | 146 | |
wim | 0:201dfacbe0e5 | 147 | |
wim | 0:201dfacbe0e5 | 148 | /** Read keydata block from TM1638 |
wim | 0:201dfacbe0e5 | 149 | * @param *keydata Ptr to Array of TM1638_KEY_MEM (=4) bytes for keydata |
wim | 0:201dfacbe0e5 | 150 | * @return bool keypress True when at least one key was pressed |
wim | 0:201dfacbe0e5 | 151 | * |
wim | 0:201dfacbe0e5 | 152 | * Note: Due to the hardware configuration the TM1638 key matrix scanner will detect multiple keys pressed at same time, |
wim | 0:201dfacbe0e5 | 153 | * but this may also result in some spurious keys being set in keypress data array. |
wim | 0:201dfacbe0e5 | 154 | * It may be best to ignore all keys in those situations. That option is implemented in this method depending on #define setting. |
wim | 0:201dfacbe0e5 | 155 | */ |
wim | 0:201dfacbe0e5 | 156 | bool TM1638::getKeys(KeyData_t *keydata) { |
wim | 0:201dfacbe0e5 | 157 | int keypress = 0; |
wim | 0:201dfacbe0e5 | 158 | char data; |
wim | 0:201dfacbe0e5 | 159 | |
wim | 0:201dfacbe0e5 | 160 | // Read keys |
wim | 0:201dfacbe0e5 | 161 | _cs=0; |
wim | 0:201dfacbe0e5 | 162 | wait_us(1); |
wim | 0:201dfacbe0e5 | 163 | |
wim | 0:201dfacbe0e5 | 164 | // Enable Key Read mode |
wim | 0:201dfacbe0e5 | 165 | _spi.write(_flip(TM1638_DATA_SET_CMD | TM1638_KEY_RD | TM1638_ADDR_INC | TM1638_MODE_NORM)); // Data set cmd, normal mode, auto incr, read data |
wim | 0:201dfacbe0e5 | 166 | |
wim | 0:201dfacbe0e5 | 167 | for (int idx=0; idx < TM1638_KEY_MEM; idx++) { |
wim | 0:201dfacbe0e5 | 168 | data = _flip(_spi.write(0xFF)); // read keys and correct bitorder |
wim | 0:201dfacbe0e5 | 169 | |
wim | 2:532ce15ea9ec | 170 | data = data & TM1638_KEY_MSK; // Mask valid bits |
wim | 0:201dfacbe0e5 | 171 | if (data != 0) { // Check for any pressed key |
wim | 2:532ce15ea9ec | 172 | for (int bit=0; bit < 8; bit++) { |
wim | 0:201dfacbe0e5 | 173 | if (data & (1 << bit)) {keypress++;} // Test all significant bits |
wim | 0:201dfacbe0e5 | 174 | } |
wim | 0:201dfacbe0e5 | 175 | } |
wim | 0:201dfacbe0e5 | 176 | |
wim | 0:201dfacbe0e5 | 177 | (*keydata)[idx] = data; // Store keydata after correcting bitorder |
wim | 0:201dfacbe0e5 | 178 | } |
wim | 0:201dfacbe0e5 | 179 | |
wim | 0:201dfacbe0e5 | 180 | wait_us(1); |
wim | 0:201dfacbe0e5 | 181 | _cs=1; |
wim | 0:201dfacbe0e5 | 182 | |
wim | 0:201dfacbe0e5 | 183 | // Restore Data Write mode |
wim | 0:201dfacbe0e5 | 184 | _writeCmd(TM1638_DATA_SET_CMD, TM1638_DATA_WR | TM1638_ADDR_INC | TM1638_MODE_NORM); // Data set cmd, normal mode, auto incr, write data |
wim | 0:201dfacbe0e5 | 185 | |
wim | 0:201dfacbe0e5 | 186 | #if(1) |
wim | 0:201dfacbe0e5 | 187 | // Dismiss multiple keypresses at same time |
wim | 0:201dfacbe0e5 | 188 | return (keypress == 1); |
wim | 0:201dfacbe0e5 | 189 | #else |
wim | 0:201dfacbe0e5 | 190 | // Allow multiple keypress and accept possible spurious keys |
wim | 0:201dfacbe0e5 | 191 | return (keypress > 0); |
wim | 0:201dfacbe0e5 | 192 | #endif |
wim | 0:201dfacbe0e5 | 193 | } |
wim | 0:201dfacbe0e5 | 194 | |
wim | 0:201dfacbe0e5 | 195 | |
wim | 0:201dfacbe0e5 | 196 | /** Helper to reverse all command or databits. The TM1638 expects LSB first, whereas SPI is MSB first |
wim | 0:201dfacbe0e5 | 197 | * @param char data |
wim | 0:201dfacbe0e5 | 198 | * @return bitreversed data |
wim | 0:201dfacbe0e5 | 199 | */ |
wim | 3:25ddabfadc8c | 200 | #if(1) |
wim | 0:201dfacbe0e5 | 201 | char TM1638::_flip(char data) { |
wim | 0:201dfacbe0e5 | 202 | char value=0; |
wim | 0:201dfacbe0e5 | 203 | |
wim | 0:201dfacbe0e5 | 204 | if (data & 0x01) {value |= 0x80;} ; |
wim | 0:201dfacbe0e5 | 205 | if (data & 0x02) {value |= 0x40;} ; |
wim | 0:201dfacbe0e5 | 206 | if (data & 0x04) {value |= 0x20;} ; |
wim | 0:201dfacbe0e5 | 207 | if (data & 0x08) {value |= 0x10;} ; |
wim | 0:201dfacbe0e5 | 208 | if (data & 0x10) {value |= 0x08;} ; |
wim | 0:201dfacbe0e5 | 209 | if (data & 0x20) {value |= 0x04;} ; |
wim | 0:201dfacbe0e5 | 210 | if (data & 0x40) {value |= 0x02;} ; |
wim | 0:201dfacbe0e5 | 211 | if (data & 0x80) {value |= 0x01;} ; |
wim | 0:201dfacbe0e5 | 212 | return value; |
wim | 0:201dfacbe0e5 | 213 | } |
wim | 3:25ddabfadc8c | 214 | #else |
wim | 3:25ddabfadc8c | 215 | char TM1638::_flip(char data) { |
wim | 0:201dfacbe0e5 | 216 | |
wim | 3:25ddabfadc8c | 217 | data = (((data & 0xAA) >> 1) | ((data & 0x55) << 1)); |
wim | 3:25ddabfadc8c | 218 | data = (((data & 0xCC) >> 2) | ((data & 0x33) << 2)); |
wim | 3:25ddabfadc8c | 219 | return (((data & 0xF0) >> 4) | ((data & 0x0F) << 4)); |
wim | 3:25ddabfadc8c | 220 | } |
wim | 3:25ddabfadc8c | 221 | #endif |
wim | 0:201dfacbe0e5 | 222 | |
wim | 0:201dfacbe0e5 | 223 | /** Write command and parameter to TM1638 |
wim | 0:201dfacbe0e5 | 224 | * @param int cmd Command byte |
wim | 0:201dfacbe0e5 | 225 | * &Param int data Parameters for command |
wim | 0:201dfacbe0e5 | 226 | * @return none |
wim | 0:201dfacbe0e5 | 227 | */ |
wim | 0:201dfacbe0e5 | 228 | void TM1638::_writeCmd(int cmd, int data){ |
wim | 0:201dfacbe0e5 | 229 | |
wim | 0:201dfacbe0e5 | 230 | _cs=0; |
wim | 0:201dfacbe0e5 | 231 | wait_us(1); |
wim | 0:201dfacbe0e5 | 232 | // _spi.write(_flip( (cmd & 0xF0) | (data & 0x0F))); |
wim | 0:201dfacbe0e5 | 233 | _spi.write(_flip( (cmd & TM1638_CMD_MSK) | (data & ~TM1638_CMD_MSK))); |
wim | 0:201dfacbe0e5 | 234 | |
wim | 0:201dfacbe0e5 | 235 | wait_us(1); |
wim | 0:201dfacbe0e5 | 236 | _cs=1; |
wim | 0:201dfacbe0e5 | 237 | } |
wim | 0:201dfacbe0e5 | 238 | |
wim | 0:201dfacbe0e5 | 239 | |
wim | 0:201dfacbe0e5 | 240 | #if (LEDKEY8_TEST == 1) |
wim | 0:201dfacbe0e5 | 241 | // Derived class for TM1638 used in LED&KEY display unit |
wim | 0:201dfacbe0e5 | 242 | // |
wim | 0:201dfacbe0e5 | 243 | |
wim | 0:201dfacbe0e5 | 244 | /** Constructor for class for driving TM1638 LED controller as used in LEDKEY8 |
wim | 0:201dfacbe0e5 | 245 | * |
wim | 0:201dfacbe0e5 | 246 | * @brief Supports 8 Digits of 7 Segments + DP + LED Icons. Also supports a scanned keyboard of 8. |
wim | 0:201dfacbe0e5 | 247 | * |
wim | 0:201dfacbe0e5 | 248 | * @param PinName mosi, miso, sclk, cs SPI bus pins |
wim | 0:201dfacbe0e5 | 249 | */ |
wim | 0:201dfacbe0e5 | 250 | TM1638_LEDKEY8::TM1638_LEDKEY8(PinName mosi, PinName miso, PinName sclk, PinName cs) : TM1638(mosi, miso, sclk, cs) { |
wim | 0:201dfacbe0e5 | 251 | _column = 0; |
wim | 0:201dfacbe0e5 | 252 | _columns = LEDKEY8_NR_DIGITS; |
wim | 0:201dfacbe0e5 | 253 | } |
wim | 0:201dfacbe0e5 | 254 | |
wim | 0:201dfacbe0e5 | 255 | #if(0) |
wim | 0:201dfacbe0e5 | 256 | #if DOXYGEN_ONLY |
wim | 0:201dfacbe0e5 | 257 | /** Write a character to the Display |
wim | 0:201dfacbe0e5 | 258 | * |
wim | 0:201dfacbe0e5 | 259 | * @param c The character to write to the display |
wim | 0:201dfacbe0e5 | 260 | */ |
wim | 0:201dfacbe0e5 | 261 | int putc(int c); |
wim | 0:201dfacbe0e5 | 262 | |
wim | 0:201dfacbe0e5 | 263 | /** Write a formatted string to the Display |
wim | 0:201dfacbe0e5 | 264 | * |
wim | 0:201dfacbe0e5 | 265 | * @param format A printf-style format string, followed by the |
wim | 0:201dfacbe0e5 | 266 | * variables to use in formatting the string. |
wim | 0:201dfacbe0e5 | 267 | */ |
wim | 0:201dfacbe0e5 | 268 | int printf(const char* format, ...); |
wim | 0:201dfacbe0e5 | 269 | #endif |
wim | 0:201dfacbe0e5 | 270 | #endif |
wim | 0:201dfacbe0e5 | 271 | |
wim | 0:201dfacbe0e5 | 272 | /** Locate cursor to a screen column |
wim | 0:201dfacbe0e5 | 273 | * |
wim | 0:201dfacbe0e5 | 274 | * @param column The horizontal position from the left, indexed from 0 |
wim | 0:201dfacbe0e5 | 275 | */ |
wim | 0:201dfacbe0e5 | 276 | void TM1638_LEDKEY8::locate(int column) { |
wim | 0:201dfacbe0e5 | 277 | //sanity check |
wim | 0:201dfacbe0e5 | 278 | if (column < 0) {column = 0;} |
wim | 0:201dfacbe0e5 | 279 | if (column > (_columns - 1)) {column = _columns - 1;} |
wim | 0:201dfacbe0e5 | 280 | |
wim | 0:201dfacbe0e5 | 281 | _column = column; |
wim | 0:201dfacbe0e5 | 282 | } |
wim | 0:201dfacbe0e5 | 283 | |
wim | 0:201dfacbe0e5 | 284 | |
wim | 0:201dfacbe0e5 | 285 | /** Number of screen columns |
wim | 0:201dfacbe0e5 | 286 | * |
wim | 0:201dfacbe0e5 | 287 | * @param none |
wim | 0:201dfacbe0e5 | 288 | * @return columns |
wim | 0:201dfacbe0e5 | 289 | */ |
wim | 0:201dfacbe0e5 | 290 | int TM1638_LEDKEY8::columns() { |
wim | 0:201dfacbe0e5 | 291 | return _columns; |
wim | 0:201dfacbe0e5 | 292 | } |
wim | 0:201dfacbe0e5 | 293 | |
wim | 0:201dfacbe0e5 | 294 | |
wim | 0:201dfacbe0e5 | 295 | /** Clear the screen and locate to 0 |
wim | 0:201dfacbe0e5 | 296 | * @param bool clrAll Clear Icons also (default = false) |
wim | 0:201dfacbe0e5 | 297 | */ |
wim | 0:201dfacbe0e5 | 298 | void TM1638_LEDKEY8::cls(bool clrAll) { |
wim | 0:201dfacbe0e5 | 299 | |
wim | 0:201dfacbe0e5 | 300 | if (clrAll) { |
wim | 0:201dfacbe0e5 | 301 | //clear local buffer (including Icons) |
wim | 0:201dfacbe0e5 | 302 | for (int idx=0; idx < (LEDKEY8_NR_GRIDS << 1); idx++) { |
wim | 0:201dfacbe0e5 | 303 | _displaybuffer[idx] = 0x00; |
wim | 0:201dfacbe0e5 | 304 | } |
wim | 0:201dfacbe0e5 | 305 | } |
wim | 0:201dfacbe0e5 | 306 | else { |
wim | 0:201dfacbe0e5 | 307 | //clear local buffer (preserving Icons) |
wim | 0:201dfacbe0e5 | 308 | for (int idx=0; idx < LEDKEY8_NR_GRIDS; idx++) { |
wim | 0:201dfacbe0e5 | 309 | _displaybuffer[(idx<<1)] = _displaybuffer[(idx<<1)] & MASK_ICON_GRID[idx][0]; |
wim | 0:201dfacbe0e5 | 310 | _displaybuffer[(idx<<1) + 1] = _displaybuffer[(idx<<1) + 1] & MASK_ICON_GRID[idx][1]; |
wim | 0:201dfacbe0e5 | 311 | } |
wim | 0:201dfacbe0e5 | 312 | } |
wim | 0:201dfacbe0e5 | 313 | |
wim | 2:532ce15ea9ec | 314 | writeData(_displaybuffer, (LEDKEY8_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 0:201dfacbe0e5 | 315 | |
wim | 0:201dfacbe0e5 | 316 | _column = 0; |
wim | 0:201dfacbe0e5 | 317 | } |
wim | 0:201dfacbe0e5 | 318 | |
wim | 0:201dfacbe0e5 | 319 | /** Set Icon |
wim | 0:201dfacbe0e5 | 320 | * |
wim | 1:1f2453ed85d7 | 321 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 0:201dfacbe0e5 | 322 | * @return none |
wim | 0:201dfacbe0e5 | 323 | */ |
wim | 0:201dfacbe0e5 | 324 | void TM1638_LEDKEY8::setIcon(Icon icon) { |
wim | 0:201dfacbe0e5 | 325 | int addr, icn; |
wim | 0:201dfacbe0e5 | 326 | |
wim | 1:1f2453ed85d7 | 327 | icn = icon & 0xFFFF; |
wim | 0:201dfacbe0e5 | 328 | addr = (icon >> 24) & 0xFF; |
wim | 4:b2bbdc58967e | 329 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 0:201dfacbe0e5 | 330 | |
wim | 0:201dfacbe0e5 | 331 | //Save char...and set bits for icon to write |
wim | 0:201dfacbe0e5 | 332 | _displaybuffer[addr] = _displaybuffer[addr] | LO(icn); |
wim | 0:201dfacbe0e5 | 333 | _displaybuffer[addr+1] = _displaybuffer[addr+1] | HI(icn); |
wim | 4:b2bbdc58967e | 334 | // writeData(_displaybuffer, (LEDKEY8_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 335 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 0:201dfacbe0e5 | 336 | } |
wim | 0:201dfacbe0e5 | 337 | |
wim | 0:201dfacbe0e5 | 338 | /** Clr Icon |
wim | 0:201dfacbe0e5 | 339 | * |
wim | 1:1f2453ed85d7 | 340 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 0:201dfacbe0e5 | 341 | * @return none |
wim | 0:201dfacbe0e5 | 342 | */ |
wim | 0:201dfacbe0e5 | 343 | void TM1638_LEDKEY8::clrIcon(Icon icon) { |
wim | 0:201dfacbe0e5 | 344 | int addr, icn; |
wim | 0:201dfacbe0e5 | 345 | |
wim | 1:1f2453ed85d7 | 346 | icn = icon & 0xFFFF; |
wim | 0:201dfacbe0e5 | 347 | addr = (icon >> 24) & 0xFF; |
wim | 2:532ce15ea9ec | 348 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 0:201dfacbe0e5 | 349 | |
wim | 0:201dfacbe0e5 | 350 | //Save char...and clr bits for icon to write |
wim | 0:201dfacbe0e5 | 351 | _displaybuffer[addr] = _displaybuffer[addr] & ~LO(icn); |
wim | 0:201dfacbe0e5 | 352 | _displaybuffer[addr+1] = _displaybuffer[addr+1] & ~HI(icn); |
wim | 4:b2bbdc58967e | 353 | // writeData(_displaybuffer, (LEDKEY8_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 354 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 0:201dfacbe0e5 | 355 | } |
wim | 0:201dfacbe0e5 | 356 | |
wim | 0:201dfacbe0e5 | 357 | |
wim | 0:201dfacbe0e5 | 358 | /** Set User Defined Characters (UDC) |
wim | 0:201dfacbe0e5 | 359 | * |
wim | 0:201dfacbe0e5 | 360 | * @param unsigned char udc_idx The Index of the UDC (0..7) |
wim | 0:201dfacbe0e5 | 361 | * @param int udc_data The bitpattern for the UDC (8 bits) |
wim | 0:201dfacbe0e5 | 362 | */ |
wim | 0:201dfacbe0e5 | 363 | void TM1638_LEDKEY8::setUDC(unsigned char udc_idx, int udc_data) { |
wim | 0:201dfacbe0e5 | 364 | |
wim | 0:201dfacbe0e5 | 365 | //Sanity check |
wim | 0:201dfacbe0e5 | 366 | if (udc_idx > (LEDKEY8_NR_UDC-1)) { |
wim | 0:201dfacbe0e5 | 367 | return; |
wim | 0:201dfacbe0e5 | 368 | } |
wim | 0:201dfacbe0e5 | 369 | // Mask out Icon bits? |
wim | 0:201dfacbe0e5 | 370 | |
wim | 0:201dfacbe0e5 | 371 | _UDC_7S[udc_idx] = LO(udc_data); |
wim | 0:201dfacbe0e5 | 372 | } |
wim | 0:201dfacbe0e5 | 373 | |
wim | 0:201dfacbe0e5 | 374 | |
wim | 0:201dfacbe0e5 | 375 | /** Write a single character (Stream implementation) |
wim | 0:201dfacbe0e5 | 376 | */ |
wim | 0:201dfacbe0e5 | 377 | int TM1638_LEDKEY8::_putc(int value) { |
wim | 0:201dfacbe0e5 | 378 | int addr; |
wim | 0:201dfacbe0e5 | 379 | bool validChar = false; |
wim | 0:201dfacbe0e5 | 380 | char pattern = 0x00; |
wim | 0:201dfacbe0e5 | 381 | |
wim | 0:201dfacbe0e5 | 382 | if ((value == '\n') || (value == '\r')) { |
wim | 0:201dfacbe0e5 | 383 | //No character to write |
wim | 0:201dfacbe0e5 | 384 | validChar = false; |
wim | 0:201dfacbe0e5 | 385 | |
wim | 0:201dfacbe0e5 | 386 | //Update Cursor |
wim | 0:201dfacbe0e5 | 387 | _column = 0; |
wim | 0:201dfacbe0e5 | 388 | } |
wim | 1:1f2453ed85d7 | 389 | else if ((value == '.') || (value == ',')) { |
wim | 1:1f2453ed85d7 | 390 | //No character to write |
wim | 1:1f2453ed85d7 | 391 | validChar = false; |
wim | 1:1f2453ed85d7 | 392 | pattern = S7_DP; // placeholder for all DPs |
wim | 1:1f2453ed85d7 | 393 | |
wim | 1:1f2453ed85d7 | 394 | // Check to see that DP can be shown for current column |
wim | 1:1f2453ed85d7 | 395 | if (_column > 0) { |
wim | 1:1f2453ed85d7 | 396 | //Translate between _column and displaybuffer entries |
wim | 1:1f2453ed85d7 | 397 | //Add DP to bitpattern of digit left of current column. |
wim | 4:b2bbdc58967e | 398 | addr = (_column - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 1:1f2453ed85d7 | 399 | |
wim | 1:1f2453ed85d7 | 400 | //Save icons...and set bits for decimal point to write |
wim | 1:1f2453ed85d7 | 401 | _displaybuffer[addr] = _displaybuffer[addr] | pattern; |
wim | 1:1f2453ed85d7 | 402 | // _displaybuffer[addr+1] = _displaybuffer[addr+1] | pattern; |
wim | 1:1f2453ed85d7 | 403 | |
wim | 4:b2bbdc58967e | 404 | // writeData(_displaybuffer, (LEDKEY8_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 405 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 406 | |
wim | 1:1f2453ed85d7 | 407 | //No Cursor Update |
wim | 1:1f2453ed85d7 | 408 | } |
wim | 1:1f2453ed85d7 | 409 | } |
wim | 0:201dfacbe0e5 | 410 | else if ((value >= 0) && (value < LEDKEY8_NR_UDC)) { |
wim | 0:201dfacbe0e5 | 411 | //Character to write |
wim | 0:201dfacbe0e5 | 412 | validChar = true; |
wim | 0:201dfacbe0e5 | 413 | pattern = _UDC_7S[value]; |
wim | 0:201dfacbe0e5 | 414 | } |
wim | 2:532ce15ea9ec | 415 | |
wim | 2:532ce15ea9ec | 416 | #if (SHOW_ASCII == 1) |
wim | 2:532ce15ea9ec | 417 | //display all ASCII characters |
wim | 2:532ce15ea9ec | 418 | else if ((value >= FONT_7S_START) && (value <= FONT_7S_END)) { |
wim | 2:532ce15ea9ec | 419 | //Character to write |
wim | 2:532ce15ea9ec | 420 | validChar = true; |
wim | 2:532ce15ea9ec | 421 | pattern = FONT_7S[value - FONT_7S_START]; |
wim | 2:532ce15ea9ec | 422 | } // else |
wim | 2:532ce15ea9ec | 423 | #else |
wim | 2:532ce15ea9ec | 424 | //display only digits and hex characters |
wim | 2:532ce15ea9ec | 425 | else if (value == '-') { |
wim | 2:532ce15ea9ec | 426 | //Character to write |
wim | 2:532ce15ea9ec | 427 | validChar = true; |
wim | 2:532ce15ea9ec | 428 | pattern = C7_MIN; |
wim | 2:532ce15ea9ec | 429 | } |
wim | 0:201dfacbe0e5 | 430 | else if ((value >= (int)'0') && (value <= (int) '9')) { |
wim | 0:201dfacbe0e5 | 431 | //Character to write |
wim | 0:201dfacbe0e5 | 432 | validChar = true; |
wim | 0:201dfacbe0e5 | 433 | pattern = FONT_7S[value - (int) '0']; |
wim | 0:201dfacbe0e5 | 434 | } |
wim | 0:201dfacbe0e5 | 435 | else if ((value >= (int) 'A') && (value <= (int) 'F')) { |
wim | 0:201dfacbe0e5 | 436 | //Character to write |
wim | 0:201dfacbe0e5 | 437 | validChar = true; |
wim | 0:201dfacbe0e5 | 438 | pattern = FONT_7S[10 + value - (int) 'A']; |
wim | 0:201dfacbe0e5 | 439 | } |
wim | 0:201dfacbe0e5 | 440 | else if ((value >= (int) 'a') && (value <= (int) 'f')) { |
wim | 0:201dfacbe0e5 | 441 | //Character to write |
wim | 0:201dfacbe0e5 | 442 | validChar = true; |
wim | 0:201dfacbe0e5 | 443 | pattern = FONT_7S[10 + value - (int) 'a']; |
wim | 0:201dfacbe0e5 | 444 | } //else |
wim | 2:532ce15ea9ec | 445 | #endif |
wim | 0:201dfacbe0e5 | 446 | |
wim | 0:201dfacbe0e5 | 447 | if (validChar) { |
wim | 0:201dfacbe0e5 | 448 | //Character to write |
wim | 0:201dfacbe0e5 | 449 | |
wim | 0:201dfacbe0e5 | 450 | //Translate between _column and displaybuffer entries |
wim | 2:532ce15ea9ec | 451 | addr = _column << 1; // * TM1638_BYTES_PER_GRID |
wim | 0:201dfacbe0e5 | 452 | |
wim | 0:201dfacbe0e5 | 453 | //Save icons...and set bits for character to write |
wim | 0:201dfacbe0e5 | 454 | _displaybuffer[addr] = (_displaybuffer[addr] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 0:201dfacbe0e5 | 455 | // _displaybuffer[addr+1] = (_displaybuffer[addr+1] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 0:201dfacbe0e5 | 456 | |
wim | 4:b2bbdc58967e | 457 | // writeData(_displaybuffer, (LEDKEY8_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 458 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 459 | |
wim | 0:201dfacbe0e5 | 460 | //Update Cursor |
wim | 0:201dfacbe0e5 | 461 | _column++; |
wim | 0:201dfacbe0e5 | 462 | if (_column > (LEDKEY8_NR_DIGITS - 1)) { |
wim | 0:201dfacbe0e5 | 463 | _column = 0; |
wim | 0:201dfacbe0e5 | 464 | } |
wim | 0:201dfacbe0e5 | 465 | |
wim | 0:201dfacbe0e5 | 466 | } // if validChar |
wim | 0:201dfacbe0e5 | 467 | |
wim | 0:201dfacbe0e5 | 468 | return value; |
wim | 0:201dfacbe0e5 | 469 | } |
wim | 0:201dfacbe0e5 | 470 | |
wim | 0:201dfacbe0e5 | 471 | |
wim | 0:201dfacbe0e5 | 472 | // get a single character (Stream implementation) |
wim | 0:201dfacbe0e5 | 473 | int TM1638_LEDKEY8::_getc() { |
wim | 0:201dfacbe0e5 | 474 | return -1; |
wim | 0:201dfacbe0e5 | 475 | } |
wim | 0:201dfacbe0e5 | 476 | |
wim | 0:201dfacbe0e5 | 477 | #endif |
wim | 4:b2bbdc58967e | 478 | |
wim | 4:b2bbdc58967e | 479 | |
wim | 4:b2bbdc58967e | 480 | #if (QYF_TEST == 1) |
wim | 4:b2bbdc58967e | 481 | // Derived class for TM1638 used in QYF-TM1638 display unit |
wim | 4:b2bbdc58967e | 482 | // |
wim | 4:b2bbdc58967e | 483 | |
wim | 4:b2bbdc58967e | 484 | /** Constructor for class for driving TM1638 LED controller as used in QYF |
wim | 4:b2bbdc58967e | 485 | * |
wim | 4:b2bbdc58967e | 486 | * @brief Supports 8 Digits of 7 Segments + DP. Also supports a scanned keyboard of 16 keys. |
wim | 4:b2bbdc58967e | 487 | * |
wim | 4:b2bbdc58967e | 488 | * @param PinName mosi, miso, sclk, cs SPI bus pins |
wim | 4:b2bbdc58967e | 489 | */ |
wim | 4:b2bbdc58967e | 490 | TM1638_QYF::TM1638_QYF(PinName mosi, PinName miso, PinName sclk, PinName cs) : TM1638(mosi, miso, sclk, cs) { |
wim | 4:b2bbdc58967e | 491 | _column = 0; |
wim | 4:b2bbdc58967e | 492 | _columns = QYF_NR_DIGITS; |
wim | 4:b2bbdc58967e | 493 | } |
wim | 4:b2bbdc58967e | 494 | |
wim | 4:b2bbdc58967e | 495 | #if(0) |
wim | 4:b2bbdc58967e | 496 | #if DOXYGEN_ONLY |
wim | 4:b2bbdc58967e | 497 | /** Write a character to the Display |
wim | 4:b2bbdc58967e | 498 | * |
wim | 4:b2bbdc58967e | 499 | * @param c The character to write to the display |
wim | 4:b2bbdc58967e | 500 | */ |
wim | 4:b2bbdc58967e | 501 | int putc(int c); |
wim | 4:b2bbdc58967e | 502 | |
wim | 4:b2bbdc58967e | 503 | /** Write a formatted string to the Display |
wim | 4:b2bbdc58967e | 504 | * |
wim | 4:b2bbdc58967e | 505 | * @param format A printf-style format string, followed by the |
wim | 4:b2bbdc58967e | 506 | * variables to use in formatting the string. |
wim | 4:b2bbdc58967e | 507 | */ |
wim | 4:b2bbdc58967e | 508 | int printf(const char* format, ...); |
wim | 4:b2bbdc58967e | 509 | #endif |
wim | 4:b2bbdc58967e | 510 | #endif |
wim | 4:b2bbdc58967e | 511 | |
wim | 4:b2bbdc58967e | 512 | /** Locate cursor to a screen column |
wim | 4:b2bbdc58967e | 513 | * |
wim | 4:b2bbdc58967e | 514 | * @param column The horizontal position from the left, indexed from 0 |
wim | 4:b2bbdc58967e | 515 | */ |
wim | 4:b2bbdc58967e | 516 | void TM1638_QYF::locate(int column) { |
wim | 4:b2bbdc58967e | 517 | //sanity check |
wim | 4:b2bbdc58967e | 518 | if (column < 0) {column = 0;} |
wim | 4:b2bbdc58967e | 519 | if (column > (_columns - 1)) {column = _columns - 1;} |
wim | 4:b2bbdc58967e | 520 | |
wim | 4:b2bbdc58967e | 521 | _column = column; |
wim | 4:b2bbdc58967e | 522 | } |
wim | 4:b2bbdc58967e | 523 | |
wim | 4:b2bbdc58967e | 524 | |
wim | 4:b2bbdc58967e | 525 | /** Number of screen columns |
wim | 4:b2bbdc58967e | 526 | * |
wim | 4:b2bbdc58967e | 527 | * @param none |
wim | 4:b2bbdc58967e | 528 | * @return columns |
wim | 4:b2bbdc58967e | 529 | */ |
wim | 4:b2bbdc58967e | 530 | int TM1638_QYF::columns() { |
wim | 4:b2bbdc58967e | 531 | return _columns; |
wim | 4:b2bbdc58967e | 532 | } |
wim | 4:b2bbdc58967e | 533 | |
wim | 4:b2bbdc58967e | 534 | |
wim | 4:b2bbdc58967e | 535 | /** Clear the screen and locate to 0 |
wim | 4:b2bbdc58967e | 536 | * @param bool clrAll Clear Icons also (default = false) |
wim | 4:b2bbdc58967e | 537 | */ |
wim | 4:b2bbdc58967e | 538 | void TM1638_QYF::cls(bool clrAll) { |
wim | 4:b2bbdc58967e | 539 | |
wim | 4:b2bbdc58967e | 540 | if (clrAll) { |
wim | 4:b2bbdc58967e | 541 | //clear local buffer (including Icons) |
wim | 4:b2bbdc58967e | 542 | for (int idx=0; idx < (QYF_NR_GRIDS << 1); idx++) { |
wim | 4:b2bbdc58967e | 543 | _displaybuffer[idx] = 0x00; |
wim | 4:b2bbdc58967e | 544 | } |
wim | 4:b2bbdc58967e | 545 | } |
wim | 4:b2bbdc58967e | 546 | else { |
wim | 4:b2bbdc58967e | 547 | //clear local buffer (preserving Icons) |
wim | 4:b2bbdc58967e | 548 | for (int idx=0; idx < QYF_NR_GRIDS; idx++) { |
wim | 4:b2bbdc58967e | 549 | _displaybuffer[(idx<<1)] = _displaybuffer[(idx<<1)] & MASK_ICON_GRID[idx][0]; |
wim | 4:b2bbdc58967e | 550 | _displaybuffer[(idx<<1) + 1] = _displaybuffer[(idx<<1) + 1] & MASK_ICON_GRID[idx][1]; |
wim | 4:b2bbdc58967e | 551 | } |
wim | 4:b2bbdc58967e | 552 | } |
wim | 4:b2bbdc58967e | 553 | |
wim | 4:b2bbdc58967e | 554 | writeData(_displaybuffer, (QYF_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 555 | |
wim | 4:b2bbdc58967e | 556 | _column = 0; |
wim | 4:b2bbdc58967e | 557 | } |
wim | 4:b2bbdc58967e | 558 | |
wim | 4:b2bbdc58967e | 559 | /** Set Icon |
wim | 4:b2bbdc58967e | 560 | * |
wim | 4:b2bbdc58967e | 561 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 4:b2bbdc58967e | 562 | * @return none |
wim | 4:b2bbdc58967e | 563 | */ |
wim | 4:b2bbdc58967e | 564 | void TM1638_QYF::setIcon(Icon icon) { |
wim | 4:b2bbdc58967e | 565 | int addr, icn; |
wim | 4:b2bbdc58967e | 566 | |
wim | 4:b2bbdc58967e | 567 | icn = icon & 0xFFFF; |
wim | 4:b2bbdc58967e | 568 | addr = (icon >> 24) & 0xFF; |
wim | 4:b2bbdc58967e | 569 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 570 | |
wim | 4:b2bbdc58967e | 571 | //Save char...and set bits for icon to write |
wim | 4:b2bbdc58967e | 572 | _displaybuffer[addr] = _displaybuffer[addr] | LO(icn); |
wim | 4:b2bbdc58967e | 573 | _displaybuffer[addr+1] = _displaybuffer[addr+1] | HI(icn); |
wim | 4:b2bbdc58967e | 574 | // writeData(_displaybuffer, (QYF_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 575 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 576 | } |
wim | 4:b2bbdc58967e | 577 | |
wim | 4:b2bbdc58967e | 578 | /** Clr Icon |
wim | 4:b2bbdc58967e | 579 | * |
wim | 4:b2bbdc58967e | 580 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 4:b2bbdc58967e | 581 | * @return none |
wim | 4:b2bbdc58967e | 582 | */ |
wim | 4:b2bbdc58967e | 583 | void TM1638_QYF::clrIcon(Icon icon) { |
wim | 4:b2bbdc58967e | 584 | int addr, icn; |
wim | 4:b2bbdc58967e | 585 | |
wim | 4:b2bbdc58967e | 586 | icn = icon & 0xFFFF; |
wim | 4:b2bbdc58967e | 587 | addr = (icon >> 24) & 0xFF; |
wim | 4:b2bbdc58967e | 588 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 589 | |
wim | 4:b2bbdc58967e | 590 | //Save char...and clr bits for icon to write |
wim | 4:b2bbdc58967e | 591 | _displaybuffer[addr] = _displaybuffer[addr] & ~LO(icn); |
wim | 4:b2bbdc58967e | 592 | _displaybuffer[addr+1] = _displaybuffer[addr+1] & ~HI(icn); |
wim | 4:b2bbdc58967e | 593 | // writeData(_displaybuffer, (QYF_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 594 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 595 | } |
wim | 4:b2bbdc58967e | 596 | |
wim | 4:b2bbdc58967e | 597 | |
wim | 4:b2bbdc58967e | 598 | /** Set User Defined Characters (UDC) |
wim | 4:b2bbdc58967e | 599 | * |
wim | 4:b2bbdc58967e | 600 | * @param unsigned char udc_idx The Index of the UDC (0..7) |
wim | 4:b2bbdc58967e | 601 | * @param int udc_data The bitpattern for the UDC (8 bits) |
wim | 4:b2bbdc58967e | 602 | */ |
wim | 4:b2bbdc58967e | 603 | void TM1638_QYF::setUDC(unsigned char udc_idx, int udc_data) { |
wim | 4:b2bbdc58967e | 604 | |
wim | 4:b2bbdc58967e | 605 | //Sanity check |
wim | 4:b2bbdc58967e | 606 | if (udc_idx > (QYF_NR_UDC-1)) { |
wim | 4:b2bbdc58967e | 607 | return; |
wim | 4:b2bbdc58967e | 608 | } |
wim | 4:b2bbdc58967e | 609 | // Mask out Icon bits? |
wim | 4:b2bbdc58967e | 610 | |
wim | 4:b2bbdc58967e | 611 | _UDC_7S[udc_idx] = LO(udc_data); |
wim | 4:b2bbdc58967e | 612 | } |
wim | 4:b2bbdc58967e | 613 | |
wim | 4:b2bbdc58967e | 614 | |
wim | 4:b2bbdc58967e | 615 | /** Write a single character (Stream implementation) |
wim | 4:b2bbdc58967e | 616 | */ |
wim | 4:b2bbdc58967e | 617 | int TM1638_QYF::_putc(int value) { |
wim | 4:b2bbdc58967e | 618 | bool validChar = false; |
wim | 4:b2bbdc58967e | 619 | char pattern = 0x00; |
wim | 4:b2bbdc58967e | 620 | char bit = 0x00; |
wim | 4:b2bbdc58967e | 621 | |
wim | 4:b2bbdc58967e | 622 | if ((value == '\n') || (value == '\r')) { |
wim | 4:b2bbdc58967e | 623 | //No character to write |
wim | 4:b2bbdc58967e | 624 | validChar = false; |
wim | 4:b2bbdc58967e | 625 | |
wim | 4:b2bbdc58967e | 626 | //Update Cursor |
wim | 4:b2bbdc58967e | 627 | _column = 0; |
wim | 4:b2bbdc58967e | 628 | } |
wim | 4:b2bbdc58967e | 629 | else if ((value == '.') || (value == ',')) { |
wim | 4:b2bbdc58967e | 630 | //No character to write |
wim | 4:b2bbdc58967e | 631 | validChar = false; |
wim | 4:b2bbdc58967e | 632 | pattern = S7_DP; // placeholder for all DPs |
wim | 4:b2bbdc58967e | 633 | |
wim | 4:b2bbdc58967e | 634 | // Check to see that DP can be shown for current column |
wim | 4:b2bbdc58967e | 635 | if (_column > 0) { |
wim | 4:b2bbdc58967e | 636 | //Add DP to bitpattern of digit left of current column. |
wim | 4:b2bbdc58967e | 637 | bit = 1 << (8 - _column); // bitposition for the previous _column |
wim | 4:b2bbdc58967e | 638 | |
wim | 4:b2bbdc58967e | 639 | _displaybuffer[14] = (_displaybuffer[14] | bit); // set bit |
wim | 4:b2bbdc58967e | 640 | |
wim | 4:b2bbdc58967e | 641 | writeData(_displaybuffer, (QYF_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 642 | |
wim | 4:b2bbdc58967e | 643 | //No Cursor Update |
wim | 4:b2bbdc58967e | 644 | } |
wim | 4:b2bbdc58967e | 645 | } |
wim | 4:b2bbdc58967e | 646 | else if ((value >= 0) && (value < QYF_NR_UDC)) { |
wim | 4:b2bbdc58967e | 647 | //Character to write |
wim | 4:b2bbdc58967e | 648 | validChar = true; |
wim | 4:b2bbdc58967e | 649 | pattern = _UDC_7S[value]; |
wim | 4:b2bbdc58967e | 650 | } |
wim | 4:b2bbdc58967e | 651 | |
wim | 4:b2bbdc58967e | 652 | #if (SHOW_ASCII == 1) |
wim | 4:b2bbdc58967e | 653 | //display all ASCII characters |
wim | 4:b2bbdc58967e | 654 | else if ((value >= FONT_7S_START) && (value <= FONT_7S_END)) { |
wim | 4:b2bbdc58967e | 655 | //Character to write |
wim | 4:b2bbdc58967e | 656 | validChar = true; |
wim | 4:b2bbdc58967e | 657 | pattern = FONT_7S[value - FONT_7S_START]; |
wim | 4:b2bbdc58967e | 658 | } // else |
wim | 4:b2bbdc58967e | 659 | #else |
wim | 4:b2bbdc58967e | 660 | //display only digits and hex characters |
wim | 4:b2bbdc58967e | 661 | else if (value == '-') { |
wim | 4:b2bbdc58967e | 662 | //Character to write |
wim | 4:b2bbdc58967e | 663 | validChar = true; |
wim | 4:b2bbdc58967e | 664 | pattern = C7_MIN; |
wim | 4:b2bbdc58967e | 665 | } |
wim | 4:b2bbdc58967e | 666 | else if ((value >= (int)'0') && (value <= (int) '9')) { |
wim | 4:b2bbdc58967e | 667 | //Character to write |
wim | 4:b2bbdc58967e | 668 | validChar = true; |
wim | 4:b2bbdc58967e | 669 | pattern = FONT_7S[value - (int) '0']; |
wim | 4:b2bbdc58967e | 670 | } |
wim | 4:b2bbdc58967e | 671 | else if ((value >= (int) 'A') && (value <= (int) 'F')) { |
wim | 4:b2bbdc58967e | 672 | //Character to write |
wim | 4:b2bbdc58967e | 673 | validChar = true; |
wim | 4:b2bbdc58967e | 674 | pattern = FONT_7S[10 + value - (int) 'A']; |
wim | 4:b2bbdc58967e | 675 | } |
wim | 4:b2bbdc58967e | 676 | else if ((value >= (int) 'a') && (value <= (int) 'f')) { |
wim | 4:b2bbdc58967e | 677 | //Character to write |
wim | 4:b2bbdc58967e | 678 | validChar = true; |
wim | 4:b2bbdc58967e | 679 | pattern = FONT_7S[10 + value - (int) 'a']; |
wim | 4:b2bbdc58967e | 680 | } //else |
wim | 4:b2bbdc58967e | 681 | #endif |
wim | 4:b2bbdc58967e | 682 | |
wim | 4:b2bbdc58967e | 683 | if (validChar) { |
wim | 4:b2bbdc58967e | 684 | //Character to write |
wim | 4:b2bbdc58967e | 685 | |
wim | 4:b2bbdc58967e | 686 | // Very annoying bitmapping :( |
wim | 4:b2bbdc58967e | 687 | // This display module uses a single byte of each grid to drive a specific segment of all digits. |
wim | 4:b2bbdc58967e | 688 | // So the bits in byte 0 (Grid 1) drive all A-segments, the bits in byte 2 (Grid 2) drive all B-segments etc. |
wim | 4:b2bbdc58967e | 689 | // Bit0 is for the segment in Digit 8, Bit1 is for the segment in Digit 7 etc.. This bit manipulation is handled in _putc(). |
wim | 4:b2bbdc58967e | 690 | |
wim | 4:b2bbdc58967e | 691 | bit = 1 << (7 - _column); // bitposition for the current _column |
wim | 4:b2bbdc58967e | 692 | |
wim | 4:b2bbdc58967e | 693 | if (pattern & S7_A) {_displaybuffer[0] = (_displaybuffer[0] | bit); } // set bit |
wim | 4:b2bbdc58967e | 694 | else {_displaybuffer[0] = (_displaybuffer[0] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 695 | |
wim | 4:b2bbdc58967e | 696 | if (pattern & S7_B) {_displaybuffer[2] = (_displaybuffer[2] | bit); } // set bit |
wim | 4:b2bbdc58967e | 697 | else {_displaybuffer[2] = (_displaybuffer[2] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 698 | |
wim | 4:b2bbdc58967e | 699 | if (pattern & S7_C) {_displaybuffer[4] = (_displaybuffer[4] | bit); } // set bit |
wim | 4:b2bbdc58967e | 700 | else {_displaybuffer[4] = (_displaybuffer[4] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 701 | |
wim | 4:b2bbdc58967e | 702 | if (pattern & S7_D) {_displaybuffer[6] = (_displaybuffer[6] | bit); } // set bit |
wim | 4:b2bbdc58967e | 703 | else {_displaybuffer[6] = (_displaybuffer[6] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 704 | |
wim | 4:b2bbdc58967e | 705 | if (pattern & S7_E) {_displaybuffer[8] = (_displaybuffer[8] | bit); } // set bit |
wim | 4:b2bbdc58967e | 706 | else {_displaybuffer[8] = (_displaybuffer[8] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 707 | |
wim | 4:b2bbdc58967e | 708 | if (pattern & S7_F) {_displaybuffer[10] = (_displaybuffer[10] | bit); } // set bit |
wim | 4:b2bbdc58967e | 709 | else {_displaybuffer[10] = (_displaybuffer[10] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 710 | |
wim | 4:b2bbdc58967e | 711 | if (pattern & S7_G) {_displaybuffer[12] = (_displaybuffer[12] | bit); } // set bit |
wim | 4:b2bbdc58967e | 712 | else {_displaybuffer[12] = (_displaybuffer[12] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 713 | |
wim | 4:b2bbdc58967e | 714 | if (pattern & S7_DP) {_displaybuffer[14] = (_displaybuffer[14] | bit); } // set bit |
wim | 4:b2bbdc58967e | 715 | else {_displaybuffer[14] = (_displaybuffer[14] & ~bit);} // clr bit |
wim | 4:b2bbdc58967e | 716 | |
wim | 4:b2bbdc58967e | 717 | //Save icons...and set bits for character to write |
wim | 4:b2bbdc58967e | 718 | // _displaybuffer[addr] = (_displaybuffer[addr] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 4:b2bbdc58967e | 719 | // _displaybuffer[addr+1] = (_displaybuffer[addr+1] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 4:b2bbdc58967e | 720 | |
wim | 4:b2bbdc58967e | 721 | writeData(_displaybuffer, (QYF_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 722 | |
wim | 4:b2bbdc58967e | 723 | //Update Cursor |
wim | 4:b2bbdc58967e | 724 | _column++; |
wim | 4:b2bbdc58967e | 725 | if (_column > (QYF_NR_DIGITS - 1)) { |
wim | 4:b2bbdc58967e | 726 | _column = 0; |
wim | 4:b2bbdc58967e | 727 | } |
wim | 4:b2bbdc58967e | 728 | |
wim | 4:b2bbdc58967e | 729 | } // if validChar |
wim | 4:b2bbdc58967e | 730 | |
wim | 4:b2bbdc58967e | 731 | return value; |
wim | 4:b2bbdc58967e | 732 | } |
wim | 4:b2bbdc58967e | 733 | |
wim | 4:b2bbdc58967e | 734 | |
wim | 4:b2bbdc58967e | 735 | // get a single character (Stream implementation) |
wim | 4:b2bbdc58967e | 736 | int TM1638_QYF::_getc() { |
wim | 4:b2bbdc58967e | 737 | return -1; |
wim | 4:b2bbdc58967e | 738 | } |
wim | 4:b2bbdc58967e | 739 | |
wim | 4:b2bbdc58967e | 740 | #endif |
wim | 4:b2bbdc58967e | 741 | |
wim | 4:b2bbdc58967e | 742 | |
wim | 4:b2bbdc58967e | 743 | |
wim | 4:b2bbdc58967e | 744 | #if (LKM1638_TEST == 1) |
wim | 4:b2bbdc58967e | 745 | // Derived class for TM1638 used in LMK1638 display unit |
wim | 4:b2bbdc58967e | 746 | // |
wim | 4:b2bbdc58967e | 747 | |
wim | 4:b2bbdc58967e | 748 | /** Constructor for class for driving TM1638 LED controller as used in LKM1638 |
wim | 4:b2bbdc58967e | 749 | * |
wim | 4:b2bbdc58967e | 750 | * @brief Supports 8 Digits of 7 Segments + DP + Bi-Color LED Icons. Also supports a scanned keyboard of 8. |
wim | 4:b2bbdc58967e | 751 | * |
wim | 4:b2bbdc58967e | 752 | * @param PinName mosi, miso, sclk, cs SPI bus pins |
wim | 4:b2bbdc58967e | 753 | */ |
wim | 4:b2bbdc58967e | 754 | TM1638_LKM1638::TM1638_LKM1638(PinName mosi, PinName miso, PinName sclk, PinName cs) : TM1638(mosi, miso, sclk, cs) { |
wim | 4:b2bbdc58967e | 755 | _column = 0; |
wim | 4:b2bbdc58967e | 756 | _columns = LKM1638_NR_DIGITS; |
wim | 4:b2bbdc58967e | 757 | } |
wim | 4:b2bbdc58967e | 758 | |
wim | 4:b2bbdc58967e | 759 | #if(0) |
wim | 4:b2bbdc58967e | 760 | #if DOXYGEN_ONLY |
wim | 4:b2bbdc58967e | 761 | /** Write a character to the Display |
wim | 4:b2bbdc58967e | 762 | * |
wim | 4:b2bbdc58967e | 763 | * @param c The character to write to the display |
wim | 4:b2bbdc58967e | 764 | */ |
wim | 4:b2bbdc58967e | 765 | int putc(int c); |
wim | 4:b2bbdc58967e | 766 | |
wim | 4:b2bbdc58967e | 767 | /** Write a formatted string to the Display |
wim | 4:b2bbdc58967e | 768 | * |
wim | 4:b2bbdc58967e | 769 | * @param format A printf-style format string, followed by the |
wim | 4:b2bbdc58967e | 770 | * variables to use in formatting the string. |
wim | 4:b2bbdc58967e | 771 | */ |
wim | 4:b2bbdc58967e | 772 | int printf(const char* format, ...); |
wim | 4:b2bbdc58967e | 773 | #endif |
wim | 4:b2bbdc58967e | 774 | #endif |
wim | 4:b2bbdc58967e | 775 | |
wim | 4:b2bbdc58967e | 776 | /** Locate cursor to a screen column |
wim | 4:b2bbdc58967e | 777 | * |
wim | 4:b2bbdc58967e | 778 | * @param column The horizontal position from the left, indexed from 0 |
wim | 4:b2bbdc58967e | 779 | */ |
wim | 4:b2bbdc58967e | 780 | void TM1638_LKM1638::locate(int column) { |
wim | 4:b2bbdc58967e | 781 | //sanity check |
wim | 4:b2bbdc58967e | 782 | if (column < 0) {column = 0;} |
wim | 4:b2bbdc58967e | 783 | if (column > (_columns - 1)) {column = _columns - 1;} |
wim | 4:b2bbdc58967e | 784 | |
wim | 4:b2bbdc58967e | 785 | _column = column; |
wim | 4:b2bbdc58967e | 786 | } |
wim | 4:b2bbdc58967e | 787 | |
wim | 4:b2bbdc58967e | 788 | |
wim | 4:b2bbdc58967e | 789 | /** Number of screen columns |
wim | 4:b2bbdc58967e | 790 | * |
wim | 4:b2bbdc58967e | 791 | * @param none |
wim | 4:b2bbdc58967e | 792 | * @return columns |
wim | 4:b2bbdc58967e | 793 | */ |
wim | 4:b2bbdc58967e | 794 | int TM1638_LKM1638::columns() { |
wim | 4:b2bbdc58967e | 795 | return _columns; |
wim | 4:b2bbdc58967e | 796 | } |
wim | 4:b2bbdc58967e | 797 | |
wim | 4:b2bbdc58967e | 798 | |
wim | 4:b2bbdc58967e | 799 | /** Clear the screen and locate to 0 |
wim | 4:b2bbdc58967e | 800 | * @param bool clrAll Clear Icons also (default = false) |
wim | 4:b2bbdc58967e | 801 | */ |
wim | 4:b2bbdc58967e | 802 | void TM1638_LKM1638::cls(bool clrAll) { |
wim | 4:b2bbdc58967e | 803 | |
wim | 4:b2bbdc58967e | 804 | if (clrAll) { |
wim | 4:b2bbdc58967e | 805 | //clear local buffer (including Icons) |
wim | 4:b2bbdc58967e | 806 | for (int idx=0; idx < (LKM1638_NR_GRIDS << 1); idx++) { |
wim | 4:b2bbdc58967e | 807 | _displaybuffer[idx] = 0x00; |
wim | 4:b2bbdc58967e | 808 | } |
wim | 4:b2bbdc58967e | 809 | } |
wim | 4:b2bbdc58967e | 810 | else { |
wim | 4:b2bbdc58967e | 811 | //clear local buffer (preserving Icons) |
wim | 4:b2bbdc58967e | 812 | for (int idx=0; idx < LKM1638_NR_GRIDS; idx++) { |
wim | 4:b2bbdc58967e | 813 | _displaybuffer[(idx<<1)] = _displaybuffer[(idx<<1)] & MASK_ICON_GRID[idx][0]; |
wim | 4:b2bbdc58967e | 814 | _displaybuffer[(idx<<1) + 1] = _displaybuffer[(idx<<1) + 1] & MASK_ICON_GRID[idx][1]; |
wim | 4:b2bbdc58967e | 815 | } |
wim | 4:b2bbdc58967e | 816 | } |
wim | 4:b2bbdc58967e | 817 | |
wim | 4:b2bbdc58967e | 818 | writeData(_displaybuffer, (LKM1638_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 819 | |
wim | 4:b2bbdc58967e | 820 | _column = 0; |
wim | 4:b2bbdc58967e | 821 | } |
wim | 4:b2bbdc58967e | 822 | |
wim | 4:b2bbdc58967e | 823 | /** Set Icon |
wim | 4:b2bbdc58967e | 824 | * |
wim | 4:b2bbdc58967e | 825 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 4:b2bbdc58967e | 826 | * @return none |
wim | 4:b2bbdc58967e | 827 | */ |
wim | 4:b2bbdc58967e | 828 | void TM1638_LKM1638::setIcon(Icon icon) { |
wim | 4:b2bbdc58967e | 829 | int addr, icn; |
wim | 4:b2bbdc58967e | 830 | |
wim | 4:b2bbdc58967e | 831 | icn = icon & 0xFFFF; |
wim | 4:b2bbdc58967e | 832 | addr = (icon >> 24) & 0xFF; |
wim | 4:b2bbdc58967e | 833 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 834 | |
wim | 4:b2bbdc58967e | 835 | //Save char...and set bits for icon to write |
wim | 4:b2bbdc58967e | 836 | _displaybuffer[addr] = _displaybuffer[addr] | LO(icn); |
wim | 4:b2bbdc58967e | 837 | _displaybuffer[addr+1] = _displaybuffer[addr+1] | HI(icn); |
wim | 4:b2bbdc58967e | 838 | // writeData(_displaybuffer, (LKM1638_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 839 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 840 | } |
wim | 4:b2bbdc58967e | 841 | |
wim | 4:b2bbdc58967e | 842 | /** Clr Icon |
wim | 4:b2bbdc58967e | 843 | * |
wim | 4:b2bbdc58967e | 844 | * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs |
wim | 4:b2bbdc58967e | 845 | * @return none |
wim | 4:b2bbdc58967e | 846 | */ |
wim | 4:b2bbdc58967e | 847 | void TM1638_LKM1638::clrIcon(Icon icon) { |
wim | 4:b2bbdc58967e | 848 | int addr, icn; |
wim | 4:b2bbdc58967e | 849 | |
wim | 4:b2bbdc58967e | 850 | icn = icon & 0xFFFF; |
wim | 4:b2bbdc58967e | 851 | addr = (icon >> 24) & 0xFF; |
wim | 4:b2bbdc58967e | 852 | addr = (addr - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 853 | |
wim | 4:b2bbdc58967e | 854 | //Save char...and clr bits for icon to write |
wim | 4:b2bbdc58967e | 855 | _displaybuffer[addr] = _displaybuffer[addr] & ~LO(icn); |
wim | 4:b2bbdc58967e | 856 | _displaybuffer[addr+1] = _displaybuffer[addr+1] & ~HI(icn); |
wim | 4:b2bbdc58967e | 857 | // writeData(_displaybuffer, (LKM1638_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 858 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 859 | } |
wim | 4:b2bbdc58967e | 860 | |
wim | 4:b2bbdc58967e | 861 | |
wim | 4:b2bbdc58967e | 862 | /** Set User Defined Characters (UDC) |
wim | 4:b2bbdc58967e | 863 | * |
wim | 4:b2bbdc58967e | 864 | * @param unsigned char udc_idx The Index of the UDC (0..7) |
wim | 4:b2bbdc58967e | 865 | * @param int udc_data The bitpattern for the UDC (8 bits) |
wim | 4:b2bbdc58967e | 866 | */ |
wim | 4:b2bbdc58967e | 867 | void TM1638_LKM1638::setUDC(unsigned char udc_idx, int udc_data) { |
wim | 4:b2bbdc58967e | 868 | |
wim | 4:b2bbdc58967e | 869 | //Sanity check |
wim | 4:b2bbdc58967e | 870 | if (udc_idx > (LKM1638_NR_UDC-1)) { |
wim | 4:b2bbdc58967e | 871 | return; |
wim | 4:b2bbdc58967e | 872 | } |
wim | 4:b2bbdc58967e | 873 | // Mask out Icon bits? |
wim | 4:b2bbdc58967e | 874 | |
wim | 4:b2bbdc58967e | 875 | _UDC_7S[udc_idx] = LO(udc_data); |
wim | 4:b2bbdc58967e | 876 | } |
wim | 4:b2bbdc58967e | 877 | |
wim | 4:b2bbdc58967e | 878 | |
wim | 4:b2bbdc58967e | 879 | /** Write a single character (Stream implementation) |
wim | 4:b2bbdc58967e | 880 | */ |
wim | 4:b2bbdc58967e | 881 | int TM1638_LKM1638::_putc(int value) { |
wim | 4:b2bbdc58967e | 882 | int addr; |
wim | 4:b2bbdc58967e | 883 | bool validChar = false; |
wim | 4:b2bbdc58967e | 884 | char pattern = 0x00; |
wim | 4:b2bbdc58967e | 885 | |
wim | 4:b2bbdc58967e | 886 | if ((value == '\n') || (value == '\r')) { |
wim | 4:b2bbdc58967e | 887 | //No character to write |
wim | 4:b2bbdc58967e | 888 | validChar = false; |
wim | 4:b2bbdc58967e | 889 | |
wim | 4:b2bbdc58967e | 890 | //Update Cursor |
wim | 4:b2bbdc58967e | 891 | _column = 0; |
wim | 4:b2bbdc58967e | 892 | } |
wim | 4:b2bbdc58967e | 893 | else if ((value == '.') || (value == ',')) { |
wim | 4:b2bbdc58967e | 894 | //No character to write |
wim | 4:b2bbdc58967e | 895 | validChar = false; |
wim | 4:b2bbdc58967e | 896 | pattern = S7_DP; // placeholder for all DPs |
wim | 4:b2bbdc58967e | 897 | |
wim | 4:b2bbdc58967e | 898 | // Check to see that DP can be shown for current column |
wim | 4:b2bbdc58967e | 899 | if (_column > 0) { |
wim | 4:b2bbdc58967e | 900 | //Translate between _column and displaybuffer entries |
wim | 4:b2bbdc58967e | 901 | //Add DP to bitpattern of digit left of current column. |
wim | 4:b2bbdc58967e | 902 | addr = (_column - 1) << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 903 | |
wim | 4:b2bbdc58967e | 904 | //Save icons...and set bits for decimal point to write |
wim | 4:b2bbdc58967e | 905 | _displaybuffer[addr] = _displaybuffer[addr] | pattern; |
wim | 4:b2bbdc58967e | 906 | // _displaybuffer[addr+1] = _displaybuffer[addr+1] | pattern; |
wim | 4:b2bbdc58967e | 907 | |
wim | 4:b2bbdc58967e | 908 | // writeData(_displaybuffer, (LKM1638_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 909 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 910 | |
wim | 4:b2bbdc58967e | 911 | //No Cursor Update |
wim | 4:b2bbdc58967e | 912 | } |
wim | 4:b2bbdc58967e | 913 | } |
wim | 4:b2bbdc58967e | 914 | else if ((value >= 0) && (value < LKM1638_NR_UDC)) { |
wim | 4:b2bbdc58967e | 915 | //Character to write |
wim | 4:b2bbdc58967e | 916 | validChar = true; |
wim | 4:b2bbdc58967e | 917 | pattern = _UDC_7S[value]; |
wim | 4:b2bbdc58967e | 918 | } |
wim | 4:b2bbdc58967e | 919 | |
wim | 4:b2bbdc58967e | 920 | #if (SHOW_ASCII == 1) |
wim | 4:b2bbdc58967e | 921 | //display all ASCII characters |
wim | 4:b2bbdc58967e | 922 | else if ((value >= FONT_7S_START) && (value <= FONT_7S_END)) { |
wim | 4:b2bbdc58967e | 923 | //Character to write |
wim | 4:b2bbdc58967e | 924 | validChar = true; |
wim | 4:b2bbdc58967e | 925 | pattern = FONT_7S[value - FONT_7S_START]; |
wim | 4:b2bbdc58967e | 926 | } // else |
wim | 4:b2bbdc58967e | 927 | #else |
wim | 4:b2bbdc58967e | 928 | //display only digits and hex characters |
wim | 4:b2bbdc58967e | 929 | else if (value == '-') { |
wim | 4:b2bbdc58967e | 930 | //Character to write |
wim | 4:b2bbdc58967e | 931 | validChar = true; |
wim | 4:b2bbdc58967e | 932 | pattern = C7_MIN; |
wim | 4:b2bbdc58967e | 933 | } |
wim | 4:b2bbdc58967e | 934 | else if ((value >= (int)'0') && (value <= (int) '9')) { |
wim | 4:b2bbdc58967e | 935 | //Character to write |
wim | 4:b2bbdc58967e | 936 | validChar = true; |
wim | 4:b2bbdc58967e | 937 | pattern = FONT_7S[value - (int) '0']; |
wim | 4:b2bbdc58967e | 938 | } |
wim | 4:b2bbdc58967e | 939 | else if ((value >= (int) 'A') && (value <= (int) 'F')) { |
wim | 4:b2bbdc58967e | 940 | //Character to write |
wim | 4:b2bbdc58967e | 941 | validChar = true; |
wim | 4:b2bbdc58967e | 942 | pattern = FONT_7S[10 + value - (int) 'A']; |
wim | 4:b2bbdc58967e | 943 | } |
wim | 4:b2bbdc58967e | 944 | else if ((value >= (int) 'a') && (value <= (int) 'f')) { |
wim | 4:b2bbdc58967e | 945 | //Character to write |
wim | 4:b2bbdc58967e | 946 | validChar = true; |
wim | 4:b2bbdc58967e | 947 | pattern = FONT_7S[10 + value - (int) 'a']; |
wim | 4:b2bbdc58967e | 948 | } //else |
wim | 4:b2bbdc58967e | 949 | #endif |
wim | 4:b2bbdc58967e | 950 | |
wim | 4:b2bbdc58967e | 951 | if (validChar) { |
wim | 4:b2bbdc58967e | 952 | //Character to write |
wim | 4:b2bbdc58967e | 953 | |
wim | 4:b2bbdc58967e | 954 | //Translate between _column and displaybuffer entries |
wim | 4:b2bbdc58967e | 955 | addr = _column << 1; // * TM1638_BYTES_PER_GRID |
wim | 4:b2bbdc58967e | 956 | |
wim | 4:b2bbdc58967e | 957 | //Save icons...and set bits for character to write |
wim | 4:b2bbdc58967e | 958 | _displaybuffer[addr] = (_displaybuffer[addr] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 4:b2bbdc58967e | 959 | // _displaybuffer[addr+1] = (_displaybuffer[addr+1] & MASK_ICON_GRID[_column][0]) | pattern; |
wim | 4:b2bbdc58967e | 960 | |
wim | 4:b2bbdc58967e | 961 | // writeData(_displaybuffer, (LKM1638_NR_GRIDS * TM1638_BYTES_PER_GRID)); |
wim | 4:b2bbdc58967e | 962 | writeData(_displaybuffer, TM1638_BYTES_PER_GRID, addr); |
wim | 4:b2bbdc58967e | 963 | |
wim | 4:b2bbdc58967e | 964 | //Update Cursor |
wim | 4:b2bbdc58967e | 965 | _column++; |
wim | 4:b2bbdc58967e | 966 | if (_column > (LKM1638_NR_DIGITS - 1)) { |
wim | 4:b2bbdc58967e | 967 | _column = 0; |
wim | 4:b2bbdc58967e | 968 | } |
wim | 4:b2bbdc58967e | 969 | |
wim | 4:b2bbdc58967e | 970 | } // if validChar |
wim | 4:b2bbdc58967e | 971 | |
wim | 4:b2bbdc58967e | 972 | return value; |
wim | 4:b2bbdc58967e | 973 | } |
wim | 4:b2bbdc58967e | 974 | |
wim | 4:b2bbdc58967e | 975 | |
wim | 4:b2bbdc58967e | 976 | // get a single character (Stream implementation) |
wim | 4:b2bbdc58967e | 977 | int TM1638_LKM1638::_getc() { |
wim | 4:b2bbdc58967e | 978 | return -1; |
wim | 4:b2bbdc58967e | 979 | } |
wim | 4:b2bbdc58967e | 980 | |
wim | 4:b2bbdc58967e | 981 | #endif |
wim | 4:b2bbdc58967e | 982 |