7-Segment Display Driver class, via an 8-bit shift register (such as the 74HC595)
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Revision 2:c3d7b44e116f, committed 2017-06-06
- Comitter:
- sefyou
- Date:
- Tue Jun 06 13:28:42 2017 +0000
- Parent:
- 1:e55f543bc06b
- Commit message:
- yo
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7SegSRDriver.cpp | Show annotated file Show diff for this revision Revisions of this file |
7SegSRDriver.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r e55f543bc06b -r c3d7b44e116f 7SegSRDriver.cpp --- a/7SegSRDriver.cpp Sun May 01 17:34:00 2011 +0000 +++ b/7SegSRDriver.cpp Tue Jun 06 13:28:42 2017 +0000 @@ -1,68 +1,264 @@ #include "mbed.h" #include "7SegSRDriver.h" -/* mbed 7-Segment Display Driver Library (via an 8bit Shift Register) - * Copyright (c) 2011 Paul Law - * - * 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. - */ - -// Display should be hooked up to shift register as follows: -// Q0 : Decimal Point, Q1-Q7 : Segments a-g - -SSegSRDriver::SSegSRDriver(PinName srData, PinName srClock, PinName srLatch, bool disp_type): _srData(srData), _srClock(srClock), _srLatch(srLatch) { +/*********************************************** CHRONOMETRE ****************************************************************/ +SSegSRDriver_chronometre::SSegSRDriver_chronometre(PinName srData, PinName srClock, PinName srLatch, bool disp_type): _srData(srData), _srClock(srClock), _srLatch(srLatch) { _disp_type = disp_type; - write_raw(0); + bus_chronometre_1(0); + bus_chronometre_2(0); + bus_chronometre_3(0); + bus_chronometre_4(0); } -void SSegSRDriver::set_type(bool disp_type) { - _disp_type = disp_type; -} - -void SSegSRDriver::clear() { - write_raw(0); +void SSegSRDriver_chronometre::clear() { + bus_chronometre_1(0); + bus_chronometre_2(0); + bus_chronometre_3(0); + bus_chronometre_4(0); } -void SSegSRDriver::write(unsigned char number) { - write(number,0); -} - -void SSegSRDriver::write(unsigned char number, bool dp) { - if (number<16) { - // Find the definition of the number in chardefs, shift left, set dp (LSB) - write_raw((SSegSRDriver_chardefs[number] << 1) | dp); +void SSegSRDriver_chronometre::write_chronometre(unsigned char number, bool dp) { + if (number<10) { + bus_chronometre_1((nbr_envoye[number] << 1) | dp); } } -void SSegSRDriver::write_raw(unsigned char bValue) { +void SSegSRDriver_chronometre::write_chronometre_2(unsigned char number, bool dp) { + if (number<10) { + bus_chronometre_2((nbr_envoye_2[number] << 1) | dp); + } +} - if (!_disp_type) bValue = ~bValue; // Reverse value for Common Anode +void SSegSRDriver_chronometre::write_chronometre_3(unsigned char number, bool dp) { + if (number<10) { + bus_chronometre_3((nbr_envoye_3[number] << 1) | dp); + } +} - if (bValue<=0xFF) { - // Push value to shift register and latch +void SSegSRDriver_chronometre::write_chronometre_4(unsigned char number, bool dp) { + if (number<10) { + bus_chronometre_3((nbr_envoye_4[number] << 1) | dp); + } +} + +void SSegSRDriver_chronometre::bus_chronometre_1(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 _srLatch = 0; - for (int i=7;i>=0;i--) { // Output MSB to LSB + for (int i=7;i>=0;i--) { // on parcours l'octet _srClock = 0; - _srData = (bValue & (1<<i)); + _srData = (Val & (1<<i)); //décoposition de l'octet en bit _srClock = 1; } _srLatch = 1; _srData = 0; } -} \ No newline at end of file + + } + +void SSegSRDriver_chronometre::bus_chronometre_2(unsigned char Value) +{ + + if (Value<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) // on parcours l'octet + { + _srClock = 0; + _srData = (Value & (1<<i)); //décoposition de l'octet + _srClock = 1; + } + _srLatch = 1; + _srData = 0; +} + } + + void SSegSRDriver_chronometre::bus_chronometre_3(unsigned char Value) +{ + + if (Value<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) // on parcours l'octet + { + _srClock = 0; + _srData = (Value & (1<<i)); //décoposition de l'octet + _srClock = 1; + } + _srLatch = 1; + _srData = 0; +} + } + + void SSegSRDriver_chronometre::bus_chronometre_4(unsigned char Value) +{ + + if (Value<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) // on parcours l'octet + { + _srClock = 0; + _srData = (Value & (1<<i)); //décoposition de l'octet + _srClock = 1; + } + _srLatch = 1; + _srData = 0; +} + } + + + /*********************************************** DOMICILE ****************************************************************/ + +SSegSRDriver_domicile::SSegSRDriver_domicile(PinName srData, PinName srClock, PinName srLatch, bool disp_type): _srData(srData), _srClock(srClock), _srLatch(srLatch) { + _disp_type = disp_type; + bus_domicile_1(0); + bus_domicile_2(0); + bus_domicile_3(0); +} + +void SSegSRDriver_domicile::clear() { + bus_domicile_1(0); + bus_domicile_2(0); + bus_domicile_3(0); +} + +void SSegSRDriver_domicile::write_domicile(unsigned char number, bool dp) { + if (number<10) { + bus_domicile_1((nbr_envoye[number] << 1) | dp); + } +} + +void SSegSRDriver_domicile::write_domicile_2(unsigned char number, bool dp) { + if (number<10) { + bus_domicile_2((nbr_envoye_2[number] << 1) | dp); + } +} + +void SSegSRDriver_domicile::write_domicile_3(unsigned char number, bool dp) { + if (number<10) { + bus_domicile_3((nbr_envoye_3[number] << 1) | dp); + } +} + +void SSegSRDriver_domicile::bus_domicile_1(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + + } + +void SSegSRDriver_domicile::bus_domicile_2(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + + } + +void SSegSRDriver_domicile::bus_domicile_3(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + +} + + + /*********************************************** VISITEUR ****************************************************************/ + +SSegSRDriver_visiteur::SSegSRDriver_visiteur(PinName srData, PinName srClock, PinName srLatch, bool disp_type): _srData(srData), _srClock(srClock), _srLatch(srLatch) { + _disp_type = disp_type; + bus_visiteur_1(0); + bus_visiteur_2(0); + bus_visiteur_3(0); +} + +void SSegSRDriver_visiteur::clear() { + bus_visiteur_1(0); + bus_visiteur_2(0); + bus_visiteur_3(0); +} + +void SSegSRDriver_visiteur::write_visiteur(unsigned char number, bool dp) { + if (number<10) { + bus_visiteur_1((nbr_envoye[number] << 1) | dp); + } +} + +void SSegSRDriver_visiteur::write_visiteur_2(unsigned char number, bool dp) { + if (number<10) { + bus_visiteur_2((nbr_envoye_2[number] << 1) | dp); + } +} + +void SSegSRDriver_visiteur::write_visiteur_3(unsigned char number, bool dp) { + if (number<10) { + bus_visiteur_3((nbr_envoye_3[number] << 1) | dp); + } +} + +void SSegSRDriver_visiteur::bus_visiteur_1(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + + } + +void SSegSRDriver_visiteur::bus_visiteur_2(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + + } + +void SSegSRDriver_visiteur::bus_visiteur_3(unsigned char Val) { // Val= les segments a éclairer + + if (Val<=0xFF) {// Si la valeur est inférieur ou égale a 255 + _srLatch = 0; + for (int i=7;i>=0;i--) { // on parcours l'octet + _srClock = 0; + _srData = (Val & (1<<i)); //décoposition de l'octet en bit + _srClock = 1; + } + _srLatch = 1; + _srData = 0; + } + +} + \ No newline at end of file
diff -r e55f543bc06b -r c3d7b44e116f 7SegSRDriver.h --- a/7SegSRDriver.h Sun May 01 17:34:00 2011 +0000 +++ b/7SegSRDriver.h Tue Jun 06 13:28:42 2017 +0000 @@ -1,25 +1,3 @@ -/* mbed 7-Segment Display Driver Library (via an 8bit Shift Register) - * Copyright (c) 2011 Paul Law - * - * 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. - */ - #ifndef LIB_SSEGSRDRIVER_H #define LIB_SSEGSRDRIVER_H @@ -28,75 +6,86 @@ #define SSegSRDriver_COMN_ANODE 0 #define SSegSRDriver_COMN_CATHODE 1 -//Char defs: 0123456789AbCdEF -const unsigned char SSegSRDriver_chardefs[16] = {0x3F, 0x6, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x7, 0x7F, 0x6F, 0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71 }; +const unsigned char nbr_envoye[11] = {0x3f, 0x30 , 0x6d, 0x79, 0x72, 0x5b, 0x5f, 0x33, 0x7f, 0x7b, 0x00}; +const unsigned char nbr_envoye_2[11] = {0x3f, 0x30 , 0x6d, 0x79, 0x72, 0x5b, 0x5f, 0x33, 0x7f, 0x7b, 0x00}; +const unsigned char nbr_envoye_3[11] = {0x3f, 0x30 , 0x6d, 0x79, 0x72, 0x5b, 0x5f, 0x33, 0x7f, 0x7b, 0x00}; +const unsigned char nbr_envoye_4[11] = {0x3f, 0x30 , 0x6d, 0x79, 0x72, 0x5b, 0x5f, 0x33, 0x7f, 0x7b, 0x00}; -/** 7-Segment Display Driver class, via a 8-bit shift register (such as the 74HC595) - * - * Display should be hooked up to shift register as follows: - * Q0 : Decimal Point, Q1-Q7 : Segments a-g - * - * Example: - * @code - * #include "mbed.h" - * #include "7SegSRDriver.h" - * - * SSegSRDriver display(p27,p25,p26, SSegSRDriver_COMN_ANODE); - * - * int main() { - * while (1) { - * // Show the chars 0-9 then A-F, flashing the decimal point on and off - * for (int i=0; i<16; i++) { - * display.write(i,i%2 == 0); - * wait(1); - * } - * } - * } - * @endcode - */ -class SSegSRDriver { + +/************************************************** CHRONOMETRE ****************************************************/ + + +class SSegSRDriver_chronometre { public: - /** Create a 7-Segment Display Driver object connected to a 8-bit shift register on the given DigitalOut pins - * - * @param srData Shift Register Data pin (DigitalOut) - * @param srClock Shift Register Clock pin (DigitalOut) - * @param srLatch Shift Register Latch pin (DigitalOut) - * @param disp_type Display Type: Common Anode/Cathode (SSegSRDriver_COMN_ANODE (0) or SSegSRDriver_COMN_CATHODE (1)) - */ - SSegSRDriver(PinName srData, PinName srClock, PinName srLatch, bool disp_type); - - /** Change the type of 7-Segment Display - * - * @param disp_type Display Type: Common Anode/Cathode (SSegSRDriver_COMN_ANODE (0) or SSegSRDriver_COMN_CATHODE (1)) - */ - void set_type(bool disp_type); + SSegSRDriver_chronometre(PinName srData, PinName srClock, PinName srLatch, bool disp_type); + void write_chronometre(unsigned char number, bool dp); + void write_chronometre_2(unsigned char number_deux, bool dp); // + void write_chronometre_3(unsigned char number_trois, bool dp); + void write_chronometre_4(unsigned char number_quatre, bool dp); + + void bus_chronometre_1(unsigned char number); // inustruction pour le bus 1 de 0 a 8 bit + void bus_chronometre_2(unsigned char number_deux); // inustruction pour le bus 2 de 0 a 8 bit + void bus_chronometre_3(unsigned char number_trois); + void bus_chronometre_4(unsigned char number_quatre); + void clear(); - /** Sets the currently shown digit on the display - * - * @param number The digit to display (0-15) to show numbers 0-9 and letters A-F - */ - void write(unsigned char number); +private: + + DigitalOut _srData; + DigitalOut _srClock; + DigitalOut _srLatch; + bool _disp_type; +}; + + +/************************************************** DOMICILE ****************************************************/ + + +class SSegSRDriver_domicile { + +public: + + SSegSRDriver_domicile(PinName srData, PinName srClock, PinName srLatch, bool disp_type); + + void set_type(bool disp_type); + void write_domicile(unsigned char number, bool dp); + void write_domicile_2(unsigned char number_deux, bool dp); + void write_domicile_3(unsigned char number_trois, bool dp); + + void bus_domicile_1(unsigned char number); // inustruction pour le bus 1 de 0 a 8 bit + void bus_domicile_2(unsigned char number_deux); // inustruction pour le bus 2 de 0 a 8 bit + void bus_domicile_3(unsigned char number_trois); + void clear(); - /** Sets the currently shown digit on the display along with the decimal place - * - * @param number The digit to display (0-15) to show numbers 0-9 and letters A-F - * @param dp If the decimal place should be lit (0:Off, 1:On) - */ - void write(unsigned char number, bool dp); +private: + + DigitalOut _srData; + DigitalOut _srClock; + DigitalOut _srLatch; + bool _disp_type; +}; + + +/************************************************** VISITEUR ****************************************************/ + + +class SSegSRDriver_visiteur { + +public: + + SSegSRDriver_visiteur(PinName srData, PinName srClock, PinName srLatch, bool disp_type); + + void set_type(bool disp_type); + void write_visiteur(unsigned char number, bool dp); + void write_visiteur_2(unsigned char number_deux, bool dp); + void write_visiteur_3(unsigned char number_trois, bool dp); - /** Sets the segments of the display directly - * Segments are lit by binary flags where LSB is the decimal point, then segments a-g up to the MSB - * e.g. to light segments e, f and the decimal place = 01100001 - * - * @param bValue The segments to light - */ - void write_raw(unsigned char number); // Write directly to the display - Q0/Q1-Q7 - - /** Turn all segments of the display off - */ - void clear(); // Clears the display + void bus_visiteur_1(unsigned char number); // inustruction pour le bus 1 de 0 a 8 bit + void bus_visiteur_2(unsigned char number_deux); // inustruction pour le bus 2 de 0 a 8 bit + void bus_visiteur_3(unsigned char number_trois); + void clear(); private: