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Display.h
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00001 /** 00002 ****************************************************************************** 00003 * @file Display.h 00004 * @author AST / EST 00005 * @version V0.0.1 00006 * @date 14-April-2015 00007 * @brief Header file for display 00008 ****************************************************************************** 00009 * @attention 00010 * 00011 * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> 00012 * 00013 * Redistribution and use in source and binary forms, with or without modification, 00014 * are permitted provided that the following conditions are met: 00015 * 1. Redistributions of source code must retain the above copyright notice, 00016 * this list of conditions and the following disclaimer. 00017 * 2. Redistributions in binary form must reproduce the above copyright notice, 00018 * this list of conditions and the following disclaimer in the documentation 00019 * and/or other materials provided with the distribution. 00020 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00021 * may be used to endorse or promote products derived from this software 00022 * without specific prior written permission. 00023 * 00024 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00025 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00026 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00027 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00028 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00029 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00030 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00031 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00032 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 ****************************************************************************** 00036 */ 00037 00038 00039 #ifndef __DISPLAY_H 00040 #define __DISPLAY_H 00041 00042 00043 /* Includes ------------------------------------------------------------------*/ 00044 00045 #include "mbed.h" 00046 #include "STMPE1600.h" 00047 00048 00049 #ifdef __cplusplus 00050 extern "C" { 00051 #endif 00052 00053 #define DP (1<<7) 00054 #define NOT_7_NO_DP( ... ) (uint8_t) ~( __VA_ARGS__ + DP ) 00055 #define S0 (1<<0) 00056 #define S1 (1<<1) 00057 #define S2 (1<<2) 00058 #define S3 (1<<3) 00059 #define S4 (1<<4) 00060 #define S5 (1<<5) 00061 #define S6 (1<<6) 00062 00063 #ifndef __cpluplus 00064 /* refer to http://www.twyman.org.uk/Fonts/ */ 00065 static const uint8_t ascii_to_display_lut[256]={ 00066 0,0,0,0,0,0,0,0, 00067 0,0,0,0,0,0,0,0, 00068 0,0,0,0,0,0,0,0, 00069 0,0,0,0,0,0,0,0, 00070 [32]= 0, 00071 0,0,0,0,0,0,0,0, 00072 0, 00073 [42]= NOT_7_NO_DP(), 00074 0,0, 00075 [45]= S6, 00076 0,0, 00077 [48]= NOT_7_NO_DP(S6), 00078 [49]= S1+S2, 00079 [50]= S0+S1+S6+S4+S3, 00080 [51]= NOT_7_NO_DP(S4+S5), 00081 [52]= S5+S1+S6+S2, 00082 [53]= NOT_7_NO_DP(S1+S4), 00083 [54]= NOT_7_NO_DP(S1), 00084 [55]= S0+S1+S2, 00085 [56]= NOT_7_NO_DP(0), 00086 [57]= NOT_7_NO_DP(S4), 00087 0,0,0, 00088 [61]= S3+S6, 00089 0, 00090 [63]= NOT_7_NO_DP(S5+S3+S2), 00091 [64]= S0+S3, 00092 [65]= NOT_7_NO_DP(S3), 00093 [66]= NOT_7_NO_DP(S0+S1), /* as b */ 00094 [67]= S0+S3+S4+S5, // same as [ 00095 [68]= S0+S3+S4+S5, // same as [ DUMMY 00096 [69]= NOT_7_NO_DP(S1+S2), 00097 [70]= S6+S5+S4+S0, 00098 [71]= NOT_7_NO_DP(S4), /* same as 9 */ 00099 [72]= NOT_7_NO_DP(S0+S3), 00100 [73]= S1+S2, 00101 [74]= S1+S2+S3+S4, 00102 [75]= NOT_7_NO_DP(S0+S3), /* same as H */ 00103 [76]= S3+S4+S5, 00104 [77]= S0+S4+S2, /* same as m*/ 00105 [78]= S2+S4+S6, /* same as n*/ 00106 [79]= NOT_7_NO_DP(S6), 00107 [80]= S0+S1+S2+S5+S6, // sames as 'q' 00108 [81]= NOT_7_NO_DP(S3+S2), 00109 [82]= S4+S6, 00110 [83]= NOT_7_NO_DP(S1+S4), /* sasme as 5 */ 00111 [84]= NOT_7_NO_DP(S0+S1+S2), /* sasme as t */ 00112 [85]= NOT_7_NO_DP(S6+S0), 00113 [86]= S4+S3+S2, // is u but u use U 00114 [87]= S1+S3+S5, 00115 [88]= NOT_7_NO_DP(S0+S3), // similar to H 00116 [89]= NOT_7_NO_DP(S0+S4), 00117 [90]= S0+S1+S6+S4+S3, // same as 2 00118 [91]= S0+S3+S4+S5, 00119 0, 00120 [93]= S0+S3+S2+S1, 00121 [94]= S0, /* use as top bar */ 00122 [95]= S3, 00123 0, 00124 [97]= S2+ S3+ S4+ S6 , 00125 [98]= NOT_7_NO_DP(S0+S1), 00126 [99]= S6+S4+S3, 00127 [100]= NOT_7_NO_DP(S0+S5), 00128 [101]= NOT_7_NO_DP(S2), 00129 [102]= S6+S5+S4+S0, /* same as F */ 00130 [103]= NOT_7_NO_DP(S4), /* same as 9 */ 00131 [104]= S6+S5+S4+S2, 00132 [105]= S4, 00133 [106]= S1+S2+S3+S4, 00134 [107]= S6+S5+S4+S2, /* a h */ 00135 [108]= S3+S4, 00136 [109]= S0+S4+S2, /* same as */ 00137 [110]= S2+S4+S6, 00138 [111]= S6+S4+S3+S2, 00139 [112]= NOT_7_NO_DP(S3+S2), // same as P 00140 [113]= S0+S1+S2+S5+S6, 00141 [114]= S4+S6, 00142 [115]= NOT_7_NO_DP(S1+S4), 00143 [116]= NOT_7_NO_DP(S0+S1+S2), 00144 [117]= S4+S3+S2+S5+S1, // U 00145 [118]= S4+S3+S2, // is u but u use U 00146 [119]= S1+S3+S5, 00147 [120]= NOT_7_NO_DP(S0+S3), // similar to H 00148 [121]= NOT_7_NO_DP(S0+S4), 00149 [122]= S0+S1+S6+S4+S3, // same as 2 00150 0,0,0, 00151 [126]= S0+S3+S6 /* 3 h bar */ 00152 }; 00153 #else 00154 /* refer to http://www.twyman.org.uk/Fonts/ */ 00155 static const uint8_t ascii_to_display_lut[256]={ 00156 [' ']= 0, 00157 ['-']= S6, 00158 ['_']= S3, 00159 ['=']= S3+S6, 00160 ['~']= S0+S3+S6, /* 3 h bar */ 00161 ['^']= S0, /* use as top bar */ 00162 00163 ['?']= NOT_7_NO_DP(S5+S3+S2), 00164 ['*']= NOT_7_NO_DP(), 00165 ['[']= S0+S3+S4+S5, 00166 [']']= S0+S3+S2+S1, 00167 ['@']= S0+S3, 00168 00169 ['0']= NOT_7_NO_DP(S6), 00170 ['1']= S1+S2, 00171 ['2']= S0+S1+S6+S4+S3, 00172 ['3']= NOT_7_NO_DP(S4+S5), 00173 ['4']= S5+S1+S6+S2, 00174 ['5']= NOT_7_NO_DP(S1+S4), 00175 ['6']= NOT_7_NO_DP(S1), 00176 ['7']= S0+S1+S2, 00177 ['8']= NOT_7_NO_DP(0), 00178 ['9']= NOT_7_NO_DP(S4), 00179 00180 ['a']= S2+ S3+ S4+ S6 , 00181 ['b']= NOT_7_NO_DP(S0+S1), 00182 ['c']= S6+S4+S3, 00183 ['d']= NOT_7_NO_DP(S0+S5), 00184 ['e']= NOT_7_NO_DP(S2), 00185 ['f']= S6+S5+S4+S0, /* same as F */ 00186 ['g']= NOT_7_NO_DP(S4), /* same as 9 */ 00187 ['h']= S6+S5+S4+S2, 00188 ['i']= S4, 00189 ['j']= S1+S2+S3+S4, 00190 ['k']= S6+S5+S4+S2, /* a h */ 00191 ['l']= S3+S4, 00192 ['m']= S0+S4+S2, /* same as */ 00193 ['n']= S2+S4+S6, 00194 ['o']= S6+S4+S3+S2, 00195 ['p']= NOT_7_NO_DP(S3+S2), // same as P 00196 ['q']= S0+S1+S2+S5+S6, 00197 ['r']= S4+S6, 00198 ['s']= NOT_7_NO_DP(S1+S4), 00199 ['t']= NOT_7_NO_DP(S0+S1+S2), 00200 ['u']= S4+S3+S2+S5+S1, // U 00201 ['v']= S4+S3+S2, // is u but u use U 00202 ['w']= S1+S3+S5, 00203 ['x']= NOT_7_NO_DP(S0+S3), // similar to H 00204 ['y']= NOT_7_NO_DP(S0+S4), 00205 ['z']= S0+S1+S6+S4+S3, // same as 2 00206 00207 ['A']= NOT_7_NO_DP(S3), 00208 ['B']= NOT_7_NO_DP(S0+S1), /* as b */ 00209 ['C']= S0+S3+S4+S5, // same as [ 00210 ['E']= NOT_7_NO_DP(S1+S2), 00211 ['F']= S6+S5+S4+S0, 00212 ['G']= NOT_7_NO_DP(S4), /* same as 9 */ 00213 ['H']= NOT_7_NO_DP(S0+S3), 00214 ['I']= S1+S2, 00215 ['J']= S1+S2+S3+S4, 00216 ['K']= NOT_7_NO_DP(S0+S3), /* same as H */ 00217 ['L']= S3+S4+S5, 00218 ['M']= S0+S4+S2, /* same as m*/ 00219 ['N']= S2+S4+S6, /* same as n*/ 00220 ['O']= NOT_7_NO_DP(S6), 00221 ['P']= S0+S1+S2+S5+S6, // sames as 'q' 00222 ['Q']= NOT_7_NO_DP(S3+S2), 00223 ['R']= S4+S6, 00224 ['S']= NOT_7_NO_DP(S1+S4), /* sasme as 5 */ 00225 ['T']= NOT_7_NO_DP(S0+S1+S2), /* sasme as t */ 00226 ['U']= NOT_7_NO_DP(S6+S0), 00227 ['V']= S4+S3+S2, // is u but u use U 00228 ['W']= S1+S3+S5, 00229 ['X']= NOT_7_NO_DP(S0+S3), // similar to H 00230 ['Y']= NOT_7_NO_DP(S0+S4), 00231 ['Z']= S0+S1+S6+S4+S3 // same as 2 00232 }; 00233 #endif 00234 00235 #undef S0 00236 #undef S1 00237 #undef S2 00238 #undef S3 00239 #undef S4 00240 #undef S5 00241 #undef S6 00242 #undef DP 00243 00244 #define DISPLAY_DELAY 1000 // in mSec 00245 00246 /* Classes -------------------------------------------------------------------*/ 00247 /** Class representing Display 00248 */ 00249 00250 class Display 00251 { 00252 public: 00253 /** Constructor 00254 * @param[in] &stmpe_1600 device handler to be used for display control 00255 */ 00256 Display(STMPE1600 &stmpe_1600) : stmpe1600(stmpe_1600) { 00257 stmpe1600.set_gpio_dir (GPIO_7, OUTPUT); // Digit1 00258 stmpe1600.set_gpio_dir (GPIO_8, OUTPUT); // Digit2 00259 stmpe1600.set_gpio_dir (GPIO_9, OUTPUT); // Digit3 00260 stmpe1600.set_gpio_dir (GPIO_10, OUTPUT); // Digit4 00261 00262 stmpe1600.set_gpio_dir (GPIO_0, OUTPUT); // SegmentA 00263 stmpe1600.set_gpio_dir (GPIO_1, OUTPUT); // SegmentB 00264 stmpe1600.set_gpio_dir (GPIO_2, OUTPUT); // SegmentC 00265 stmpe1600.set_gpio_dir (GPIO_3, OUTPUT); // SegmentD 00266 stmpe1600.set_gpio_dir (GPIO_4, OUTPUT); // SegmentE 00267 stmpe1600.set_gpio_dir (GPIO_5, OUTPUT); // SegmentF 00268 stmpe1600.set_gpio_dir (GPIO_6, OUTPUT); // SegmentG 00269 00270 } 00271 00272 /*** Interface Methods ***/ 00273 /** 00274 * @brief Print the string on display 00275 * @param[in] String to be printed 00276 * @param[in] String lenght [min 1, max 4] 00277 * @return void 00278 */ 00279 void display_string (char str[4], char strlen) 00280 { 00281 int i, dgt; 00282 const char *pc; 00283 uint8_t data[2]; 00284 uint16_t *pdata = (uint16_t*)data; 00285 00286 for (i=0, dgt=4-strlen, pc=str; i<strlen && *pc!=0; i++, pc++, dgt++) { 00287 _V2_Set7Segment( ascii_to_display_lut[(uint8_t)*pc], dgt); 00288 if ( *(pc+1)== '.') { 00289 pc++; 00290 } 00291 wait_ms(DISPLAY_DELAY); 00292 stmpe1600.read_16_bit_reg(GPSR_0_7, pdata); 00293 *pdata = *pdata | (uint16_t)0x0780; // all digits off 00294 stmpe1600.write_16_bit_reg(GPSR_0_7, pdata); 00295 } 00296 } 00297 00298 /** 00299 * @brief Print the digit on display 00300 * @param[in] Digit value to be printed 00301 * @param[in] Digit to be used [min 0, max 3] 00302 * @return void 00303 */ 00304 void DisplayDigit (char val, char dgt) 00305 { 00306 uint8_t data[2]; 00307 uint16_t *pdata = (uint16_t*)data; 00308 00309 stmpe1600.read_16_bit_reg(GPSR_0_7, pdata); 00310 *pdata = *pdata | (uint16_t)0x0780; // all digits off 00311 stmpe1600.write_16_bit_reg(GPSR_0_7, pdata); 00312 _V2_Set7Segment( ascii_to_display_lut[(uint8_t)val], dgt); 00313 } 00314 00315 private: 00316 void _V2_Set7Segment( int Leds, int digit ) 00317 { 00318 //Digits_off(); 00319 uint16_t dgt; 00320 dgt = 1<<digit; 00321 dgt = ((uint16_t)dgt)<<7; 00322 dgt = ~dgt; 00323 uint8_t data[2]; 00324 uint16_t *pdata = (uint16_t*)data; 00325 00326 00327 /* set the exppinname state to lvl */ 00328 stmpe1600.read_16_bit_reg(GPSR_0_7, pdata); 00329 *pdata = *pdata | (uint16_t)0x007F; // 7 segments off 00330 stmpe1600.write_16_bit_reg(GPSR_0_7, pdata); 00331 00332 int mask=1; 00333 for (int i=0; i<7; i++) { 00334 if (Leds & mask) *pdata = *pdata & ~(uint16_t)mask; 00335 mask = mask<<1; 00336 } 00337 *pdata = *pdata & dgt; 00338 stmpe1600.write_16_bit_reg(GPSR_0_7, pdata); 00339 } 00340 STMPE1600 &stmpe1600; 00341 }; 00342 00343 #ifdef __cplusplus 00344 } 00345 #endif 00346 #endif // __DISPLAY_H 00347
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