Revision 0:5410d6e2bce7, committed 2011-11-20

Comitter:

suupen

Date:

Sun Nov 20 00:22:05 2011 +0000

Child:

1:3429249e30f9

Commit message:

V1.1 2011/11/20 This has changed the name of the library

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SevenSegLed.cpp	Sun Nov 20 00:22:05 2011 +0000
@@ -0,0 +1,272 @@
+/**********************************************************
+
+*    SevenSegLed.cpp
+*    dynamic control of seven segment led
+*
+**********************************************************/
+#define _SEVENSEGLED_C
+
+#include "types.h"
+#include "mbed.h"
+#include "SevenSegLed.h"
+
+
+
+
+/** Create a seven segment led object connected to the specified DigtalOutput pin
+ */
+SevenSegLed::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, PinName com_2, PinName com_3, PinName com_4):
+    _seg_a(seg_a), _seg_b(seg_b), _seg_c(seg_c), _seg_d(seg_d), _seg_e(seg_e), _seg_f(seg_f), _seg_g(seg_g), _seg_p(seg_p),
+     _com_1(com_1), _com_2(com_2), _com_3(com_3), _com_4(com_4){
+
+    
+    timer.attach_us(this, &SevenSegLed::segmentGrayDataKosin, 10000);       // led smooth control 10ms timer inttruupt
+    
+    // data table set of Brightness
+    // DT_pwmGray[] = i ^ 2
+    for(uint32_t i = 0; i < Z_grayMax + 1; i++){
+        DT_pwmGray[i] = (uint8_t)(((i * i) * Z_pwmGrayMax ) / (Z_grayMax * Z_grayMax));
+    }
+    
+    // check connect com_x
+    D_comNull = Z_ketaSuu;
+    if(com_4 == NC){D_comNull--;}
+    if(com_3 == NC){D_comNull--;}
+    if(com_2 == NC){D_comNull--;}
+    if(com_1 == NC){D_comNull--;}
+    
+    // Those who will be reading the LED display
+    D_smooth = smooth;
+    
+    // common and segment pin display data set
+    if(commonPole == 0){
+        // Anode common
+        D_commonOn   = 1;
+        D_commonOff  = 0;
+        D_segmentOn  = 0;
+        D_segmentOff = 1;
+    }
+    else{
+        // Cathod common
+        D_commonOn   = 0;
+        D_commonOff  = 1;
+        D_segmentOn  = 1;
+        D_segmentOff = 0;
+    }
+    
+}
+
+    
+
+/**************************************
+* 7segment no gray data kosin
+* 100ms goto no syori
+**************************************/
+void SevenSegLed::segmentGrayDataKosin(void){
+    uint8_t keta;
+    uint8_t seg;
+    
+    uint8_t segMask;
+    uint8_t segData;
+
+
+    //*********************************************************
+    // 7segment no shuturyoku pattern
+    //*********************************************************
+                              //          seg: a b c d  e f g p
+                              //          bit: 7 6 5 4  3 2 1 0
+                              //          ---------------------
+    #define D_0 (0xfc)        // 0             1 1 1 1  1 1 0 0
+    #define D_1 (0x60)        // 1             0 1 1 0  0 0 0 0
+    #define D_2 (0xda)        // 2             1 1 0 1  1 0 1 0
+    #define D_3 (0xf2)        // 3             1 1 1 1  0 0 1 0
+    #define D_4 (0x66)        // 4             0 1 1 0  0 1 1 0
+    #define D_5 (0xb6)        // 5             1 0 1 1  0 1 1 0
+    #define D_6 (0xbe)        // 6             1 0 1 1  1 1 1 0
+    #define D_7 (0xe4)        // 7             1 1 1 0  0 1 0 0
+    #define D_8 (0xfe)        // 8             1 1 1 1  1 1 1 0
+    #define D_9 (0xf6)        // 9             1 1 1 1  0 1 1 0
+    #define D_A (0xee)        // A             1 1 1 0  1 1 1 0    
+    #define D_b (0x3e)        // b             0 0 1 1  1 1 1 0
+    #define D_C (0x9c)        // C             1 0 0 1  1 1 0 0
+    #define D_d (0x7a)        // d             0 1 1 1  1 0 1 0        
+    #define D_E (0x9e)        // E             1 0 0 1  1 1 1 0    
+    #define D_F (0x8e)        // F             1 0 0 0  1 1 1 0
+    #define D_NULL (0x00)     // NULL          0 0 0 0  0 0 0 0
+                              // (No indication)
+        
+        
+    const unsigned char DT_segData[17] = {D_0, D_1, D_2, D_3, D_4, D_5, D_6, D_7, D_8, D_9, D_A, D_b, D_C, D_d, D_E, D_F, D_NULL};
+    uint8_t work;
+
+    for(keta = 0; keta < Z_ketaSuu; keta++){
+        // number data set
+        work = D_7seg[keta];
+        if(work > 0x10){work = 0x10;}       // error data then NULL
+        segData = DT_segData[work];
+        
+        // dot data set
+        if(D_dot[keta] != 0){segData |= 0x01;}
+        
+        // segment data set
+        segMask = 0x80;
+        
+        for(seg = 0; seg < Z_segSuu; seg++){
+            if(D_smooth == Z_smooth){
+                // LED display Smooth
+                if((segData & segMask) != 0){
+                    // segment tento
+                     if(D_7segGray[keta][seg] < Z_grayMax){D_7segGray[keta][seg]++;}
+                }
+                else{
+                    // segment syoto
+                    if(D_7segGray[keta][seg] > 0){D_7segGray[keta][seg]--;}
+                }
+                segMask = segMask >> 1;
+            }
+            else{
+                // LED display Hard
+                if((segData & segMask) != 0){
+                // segment tento
+                    D_7segGray[keta][seg] = Z_pwmGrayMax;
+                }
+                else{
+                    // segment syoto
+                    D_7segGray[keta][seg] = 0;
+                }
+                segMask = segMask >> 1;
+            }
+       }
+    }
+}
+
+
+/**************************************
+* main
+**************************************/
+void SevenSegLed::SevenSegLed_main(uint8_t* number, uint8_t* dot) {
+    
+    for(uint8_t i = 0; i < Z_ketaSuu; i++){
+        D_7seg[i] = number[i];
+        D_dot[i]  = dot[i];
+    }
+      
+ 
+        // dynamic shuturyoku shori
+        output();
+}
+
+
+/**************************************
+* comAllClear
+*
+* common pin o subete OFF suru
+**************************************/
+void SevenSegLed::comAllClear(void){
+    
+    switch (D_comNull){
+    case 4:                 // com_1 - com_4 is all connect
+        _com_4 = D_commonOff;
+        //break;
+    case 3:                 // com_4 Null
+        _com_3 = D_commonOff;
+        // break;
+    case 2:                 // com_3 Null
+        _com_2 = D_commonOff;
+        //break;
+    case 1:                 // com_2 Null
+        _com_1 = D_commonOff;
+        //break;
+    case 0:                 // com_1 Null
+        // nothing
+        break;
+    default:
+        // nothing
+        break;
+    }
+}
+
+/**************************************
+* segAllClear
+*
+* segment pin o subete OFF suru
+**************************************/
+void SevenSegLed::segAllClear(void){
+    _seg_a = D_segmentOff;
+    _seg_b = D_segmentOff;
+    _seg_c = D_segmentOff;
+    _seg_d = D_segmentOff;
+    _seg_e = D_segmentOff;
+    _seg_f = D_segmentOff;
+    _seg_p = D_segmentOff;
+}
+
+/**************************************
+* segDataSet
+*
+* segment pin ni shuturyoku data o settei
+**************************************/
+void SevenSegLed::segDataSet(uint8_t keta){
+
+    for(uint8_t i = 0; i < Z_pwmGrayMax + 1; i++){
+        if(DT_pwmGray[D_7segGray[keta][0]] <= i){_seg_a = D_segmentOff;}else{_seg_a = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][1]] <= i){_seg_b = D_segmentOff;}else{_seg_b = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][2]] <= i){_seg_c = D_segmentOff;}else{_seg_c = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][3]] <= i){_seg_d = D_segmentOff;}else{_seg_d = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][4]] <= i){_seg_e = D_segmentOff;}else{_seg_e = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][5]] <= i){_seg_f = D_segmentOff;}else{_seg_f = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][6]] <= i){_seg_g = D_segmentOff;}else{_seg_g = D_segmentOn;}
+        if(DT_pwmGray[D_7segGray[keta][7]] <= i){_seg_p = D_segmentOff;}else{_seg_p = D_segmentOn;}
+    
+    }
+}
+
+/**************************************
+* output
+*
+* dynamic dosa saseru.
+* kono kansu wo jiikou suru tabi ni common pin o kirikaeru
+**************************************/
+void SevenSegLed::output(void){
+    static uint8_t M_seg = 0;
+
+    if(M_seg >= D_comNull){M_seg = 0;}
+
+    // com, seg syokika
+    comAllClear();
+    segAllClear();
+    
+ 
+
+    // common output
+    if(D_comNull != 0){
+        // If the terminal output processing
+        switch(M_seg){
+        case 0:
+            _com_1 = D_commonOn;
+            break;
+        case 1:
+            _com_2 = D_commonOn;
+            break;
+        case 2:
+            _com_3 = D_commonOn;
+            break;
+        case 3:
+            _com_4 = D_commonOn;
+            break;        
+        default:
+            break;
+        }
+    }
+    
+    // segmant output
+    if(M_seg < Z_ketaSuu){
+        segDataSet(M_seg);
+    }
+
+
+    // com, seg syokika
+    comAllClear();
+    segAllClear();
+    M_seg++;
+}

--- /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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/types.h	Sun Nov 20 00:22:05 2011 +0000
@@ -0,0 +1,114 @@
+/*----------------------------------------------------------------------------*/
+/* File Information                                                           */
+/*----------------------------------------------------------------------------*/
+/* Name       : types.h                                                       */
+/* Type       : C Programming Language Header                                 */
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+
+#ifndef __TYPES_H__
+#define __TYPES_H__
+
+#include "stdint.h"
+/*
+typedef char                    int8_t;
+typedef unsigned    char        uint8_t;
+typedef signed      short       int16_t;
+typedef unsigned    short       uint16_t;
+typedef signed      int         int32_t;
+typedef unsigned    int         uint32_t;
+typedef signed      long long   int64_t;
+typedef unsigned    long long   uint64_t;
+*/
+//typedef bool                bool_t;
+typedef enum{TRUE, FALSE} bool_t;
+
+//=========================================================================
+//    byte bit access
+//=========================================================================
+typedef union{                    //    BYTE/NIBBLE/BIT access
+    uint8_t byte;                //    Byte access
+    struct{                        //    Nibble access
+        uint8_t lo : 4;        //        lower(Bit0 - 3)
+        uint8_t hi : 4;        //        upper(Bit4 - 7)
+    }nibble;
+    struct{                        //    Bit access
+        uint8_t b0 : 1;        //        Bit0
+        uint8_t b1 : 1;        //        Bit1
+        uint8_t b2 : 1;        //        Bit2
+        uint8_t b3 : 1;        //        Bit3
+        uint8_t b4 : 1;        //        Bit4
+        uint8_t b5 : 1;        //        Bit5
+        uint8_t b6 : 1;        //        Bit6
+        uint8_t b7 : 1;        //        Bit7
+    }bits;
+}byte_t;
+
+//=========================================================================
+//    word bit access
+//=========================================================================
+typedef union{                    //    WORD/BYTE/NIBBLE/BIT access
+    uint16_t word;                //    Word access
+    struct{                        //    Byte access
+        uint8_t b0;            //        upper byte
+        uint8_t b1;            //        lower byte
+    }byte;
+    struct    {                    //    Nibble access
+        uint8_t n0 : 4;        //        lower byte low(Bit 0 -  3)
+        uint8_t n1 : 4;        //        lower byte up (Bit 4 -  7)
+        uint8_t n2 : 4;        //        upper byte low(Bit 8 - 11)
+        uint8_t n3 : 4;        //        upper byte up (Bit12 - 15)
+    }nibble;
+    struct{                        //    Bit acces
+        uint8_t b0 : 1;        //        Bit0
+        uint8_t b1 : 1;        //        Bit1
+        uint8_t b2 : 1;        //        Bit2
+        uint8_t b3 : 1;        //        Bit3
+        uint8_t b4 : 1;        //        Bit4
+        uint8_t b5 : 1;        //        Bit5
+        uint8_t b6 : 1;        //        Bit6
+        uint8_t b7 : 1;        //        Bit7
+        uint8_t b8 : 1;        //        Bit8
+        uint8_t b9 : 1;        //        Bit9
+        uint8_t b10: 1;        //        Bit10
+        uint8_t b11: 1;        //        Bit11
+        uint8_t b12: 1;        //        Bit12
+        uint8_t b13: 1;        //        Bit13
+        uint8_t b14: 1;        //        Bit14
+        uint8_t b15: 1;        //        Bit15
+    }bits;
+}word_t;
+
+
+//=========================================================================
+//    ascii code
+//=========================================================================
+#define Z_NUL (0x00)
+#define Z_SOH (0x01)
+#define Z_STX (0x02)
+#define Z_ETX (0x03)
+#define Z_EOT (0x04)
+#define Z_ENQ (0x05)
+#define Z_ACK (0x06)
+#define Z_BEL (0x07)
+
+#define Z_BS  (0x08)
+#define Z_HT  (0x09)
+#define Z_LF  (0x0A)
+#define Z_HM  (0x0B)
+#define Z_FF  (0x0C)
+#define Z_CR  (0x0D)
+#define Z_SO  (0x0E)
+#define Z_SI  (0x0F)
+
+#define Z_DLE (0x10)
+#define Z_DC1 (0x11)
+#define Z_DC2 (0x12)
+#define Z_DC3 (0x13)
+#define Z_DC4 (0x14)
+#define Z_NAK (0x15)
+#define Z_SYN (0x16)
+#define Z_ETB (0x17)
+
+
+#endif    /* __TYPES_H__*/
\ No newline at end of file