Diff: SevenSegLed.h

Revision:

0:5410d6e2bce7

Child:

1:3429249e30f9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SevenSegLed.h	Sun Nov 20 00:22:05 2011 +0000
@@ -0,0 +1,185 @@
+/* mbed Seven segment LED (Maximum four digit) Library
+ * Copyright (c) 2011 suupen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+/***********************************************************************/
+/*                                                                     */
+/*    ledDynamic.h                                                         */
+/*                                                                     */
+/***********************************************************************/
+#ifndef _SEVENSEGLED_H
+#define _SEVENSEGLED_H
+
+/** Seven segment Numeric LED control class
+ *
+ * Example:
+ * @code
+ * //-----------------------------------------------------------------------------
+ * //sevenSegmentLed Library Example
+ * //
+ * //This program by one every second counts, do a 4-digit seven-segment LED display.
+ * //
+ * //seven segment numeric LED Display : LTC4627P
+ * //      http://www.excesssolutions.com/mas_assets/acrobat/ES5721.pdf
+ * //
+ * // LTC4627T                              Resister        mbed
+ * // Pin No     Function                   [ohm]           Function
+ * // ---------------------------------------------------------------------------
+ * //  1         Common Anode Digit 1        -              P29 
+ * //  2         Common Anode Digit 2        -              P13
+ * //  3         Cathode D                   200            P22
+ * //  4         Common Anode L1,L2,L3       -              -
+ * //  5         Cathode E                   200            P24
+ * //  6         Common Anode Digit 3        -              P25  
+ * //  7         Cathode D.p.                200            P30
+ * //  8         Common Anode Digit 4        -              P27 
+ * //  9         No Connection               -              -
+ * // 10         No Pin                      -              -
+ * // 11         Cathode F                   200            P16 
+ * // 12         No Pin                      -              -
+ * // 13         Cathode C,L3                200            P17 
+ * // 14         Cathode A,L1                200            P14
+ * // 15         Cathode G                   200            P19
+ * // 16         Cathode B,L2                200            P20
+ * //---------------------------------------------------------------------------
+ * #include "mbed.h" 
+ * #include "SevenSegLed.h"
+ *
+ * //                     common type (0:anode common 1:cathode common)
+ * //                     | 
+ * //                     |  display mode (0:smooth 1:hard)
+ * //                     |  |
+ * //                     |  |    segA segB segC segD segE segF segG segP com1 com2 com3 com4                           
+ * //                     |  |    |    |    |    |    |    |    |    |    |    |    |    | 
+ * SevenSegLed segmentled(0, 0, p14, p20, p17, p22, p24, p16, p19, p30, p29, p13, p25, p27);
+ *
+ *
+ * //                   1  2  3  4digit 
+ * //                   |  |  |  |
+ * uint8_t D_7seg[4] = {0, 0, 0, 0}; // seven segment digit number    (0x00:"0", 0x01:"1", ... , 0x09:"9", 0x0A:"A", ... , 0x0F:"F", other:" ")
+ * uint8_t D_dot[4]  = {0, 0, 0, 0}; // seven segment digit dotpoint. (0:off 1:on)
+ * 
+ * 
+ * Timer timer;    // 1second timer
+ *     
+ * int main() {
+ *     uint16_t counter = 0;
+ *     
+ *     timer.start();
+ * 
+ *     while(1) {
+ *         // After one second to start the process
+ *         if(timer.read_ms() >= 1000){
+ *             timer.reset();
+ *             counter++;
+ * 
+ *             // Display digit data updates
+ *             D_7seg[0] = (uint8_t)((counter & 0xF000) >> 12);
+ *             D_7seg[1] = (uint8_t)((counter & 0x0F00) >> 8);
+ *             D_7seg[2] = (uint8_t)((counter & 0x00F0) >> 4);
+ *             D_7seg[3] = (uint8_t)(counter & 0x000F);
+ *             
+ *             // Display dot point data updates
+ *             D_dot[0] = 0;
+ *             D_dot[1] = 0;
+ *             D_dot[2] = 0;
+ *             D_dot[3] = 0;            
+ *             
+ *             // dot point data set
+ *             D_dot[counter & 0x0003] = 1;
+ *         }
+ * 
+ *         // seven segment display to output data
+ *         // This function, please repeat the process in less than 1ms.
+ *         segmentled.SevenSegLed_main(D_7seg, D_dot);      
+ *  
+ *     }
+ * }
+ * @endcode
+ */
+
+
+
+#include "types.h"
+
+class SevenSegLed {
+public:
+
+
+
+    /** Create a seven segment led array object connected to the specified DigitalOut pin
+    * @param commonPole The polarity of the seven segment led common  0:Anode common, 1:Cathode common
+    * @param smooth Reading the LED display method.  0:Smooth changing the LED display in one second  1:Quickly changing the LED display
+    * @param seg_a - seg_p DigitalOut pin to connect to.    To provide members with an array of uint8_t digit minutes. 4 digits maximum
+    * @param com_1 - com_4 DigitalOut pin to connect to.    To provide members with an array of uint8_t digit minutes. 4 digits maximum   
+    */
+    SevenSegLed(uint8_t commonPole, uint8_t smooth, PinName seg_a, PinName seg_b, PinName seg_c, PinName seg_d, PinName seg_e, PinName seg_f, PinName seg_g, PinName seg_p, PinName com_1 = NC, PinName com_2 = NC, PinName com_3 = NC, PinName com_4 = NC);
+    
+    /** Data set to the seven segment LED display
+    * @param number Array variable address pointer of Numerical data 0 - 9,A - F : The figures show, 0x10:off
+    * @param dot    Array variable address pointer of dot data  0:off 1:on
+    */
+    void SevenSegLed_main(uint8_t* number, uint8_t* dot);
+
+private:
+void segmentGrayDataKosin(void);
+void comAllClear(void);
+void segAllClear(void);
+void segDataSet(uint8_t keta);
+void output(void);
+
+//  pin set_seg, _com;
+    DigitalOut _seg_a, _seg_b, _seg_c, _seg_d, _seg_e, _seg_f, _seg_g, _seg_p;
+    DigitalOut _com_1, _com_2, _com_3, _com_4;
+    
+    Ticker timer;
+
+#define Z_ketaSuu (4)   // 7segment no keta suu
+#define Z_segSuu  (8)   // 7segmetn no segment suu (a,b,...,g,Dp)
+#define Z_grayMax (100)  // grayData max 100 kaicho
+#define Z_pwmGrayMax (100) // pwm max (led heno pwm syuturyoku no max)
+
+ 
+uint8_t D_7seg[Z_ketaSuu];    // digit number display request 0:"0", 1:"1", ... , 9:"9", A:"A", B:"b", C:"C", D:"d", E:"E", F:"F"
+                            // [0]:digit1, [1]:digit2, ... ,[3]:digit4
+uint8_t D_dot[Z_ketaSuu];   // digit dot display request   0:off  1(not 0):on
+                            // [0]:digit1, [1]:digit2, ... ,[3]:digit4
+                            
+
+uint8_t D_7segGray[Z_ketaSuu][Z_segSuu];    // hyoji segment no gray data 0:syoto 1:min - 10:max
+
+uint8_t DT_pwmGray[Z_grayMax + 1];  // gray data kara pwm data heno henkan table
+
+uint8_t D_comNull;  // comX Null check No set (0:all com is NC 1:com1 connect, 2:com2 connect,...,4:com4 connect(all com connect)
+
+uint8_t D_smooth; // Those who will be reading the LED display  0:smooth 1:hard
+#define Z_smooth (0)
+#define Z_hard   (1)
+
+uint8_t D_commonOn; // common On level set   0:Anode common   1:Cathode common
+uint8_t D_commonOff;
+
+uint8_t D_segmentOn; // segment On level set 0:Cathode common 1:Anode common
+uint8_t D_segmentOff;
+};
+
+#endif    // _SEVENSEGLED_H