Andrew Bell / Mbed 2 deprecated counter_assesment_creg

7 seg counter with 3 modes controlled by push button

Dependencies:   mbed

main.cpp@0:7d75e4df9577, 2021-03-03 (annotated)

Committer:
andrewbw01
Date:
Wed Mar 03 16:24:55 2021 +0000
Revision:
0:7d75e4df9577
cregans assesment solution

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewbw01 0:7d75e4df9577 1 #include "mbed.h"
andrewbw01 0:7d75e4df9577 2
andrewbw01 0:7d75e4df9577 3 // Global variables
andrewbw01 0:7d75e4df9577 4
andrewbw01 0:7d75e4df9577 5 int mode; // mode=1 on startup
andrewbw01 0:7d75e4df9577 6 // mode=2 for keypad
andrewbw01 0:7d75e4df9577 7 // mode=3 for serial
andrewbw01 0:7d75e4df9577 8
andrewbw01 0:7d75e4df9577 9 //Assign 8 pins digital bus object LED_Disp
andrewbw01 0:7d75e4df9577 10 BusOut LED_Disp(p7,p11,p9,p8,p5,p6,p10,p12);
andrewbw01 0:7d75e4df9577 11
andrewbw01 0:7d75e4df9577 12 // Pin assignment for 4x3 or 12 key Hex keypad
andrewbw01 0:7d75e4df9577 13 // Looking at keyboard front, the left most pin is pin1
andrewbw01 0:7d75e4df9577 14 // keypad pin numbers
andrewbw01 0:7d75e4df9577 15 // pin 1 = not connected
andrewbw01 0:7d75e4df9577 16 // pin 2 = col 2
andrewbw01 0:7d75e4df9577 17 // pin 3 = row 1
andrewbw01 0:7d75e4df9577 18 // pin 4 = col 1
andrewbw01 0:7d75e4df9577 19 // pin 5 = row 4
andrewbw01 0:7d75e4df9577 20 // pin 6 = col 3
andrewbw01 0:7d75e4df9577 21 // pin 7 = row 3
andrewbw01 0:7d75e4df9577 22 // pin 8 = row 2
andrewbw01 0:7d75e4df9577 23 // pin 9 = not connected
andrewbw01 0:7d75e4df9577 24 //
andrewbw01 0:7d75e4df9577 25
andrewbw01 0:7d75e4df9577 26 Serial pc(USBTX, USBRX); // Create serial comms object
andrewbw01 0:7d75e4df9577 27
andrewbw01 0:7d75e4df9577 28 // mbed pin assignment for keypad
andrewbw01 0:7d75e4df9577 29 DigitalIn row1(p27);
andrewbw01 0:7d75e4df9577 30 DigitalIn row2(p22);
andrewbw01 0:7d75e4df9577 31 DigitalIn row3(p23);
andrewbw01 0:7d75e4df9577 32 DigitalIn row4(p25);
andrewbw01 0:7d75e4df9577 33 DigitalOut col1(p26);
andrewbw01 0:7d75e4df9577 34 DigitalOut col2(p28);
andrewbw01 0:7d75e4df9577 35 DigitalOut col3(p24);
andrewbw01 0:7d75e4df9577 36
andrewbw01 0:7d75e4df9577 37 DigitalOut debug_led (LED1); // Debug LED for flashing
andrewbw01 0:7d75e4df9577 38
andrewbw01 0:7d75e4df9577 39 Serial s_port(USBTX, USBRX);
andrewbw01 0:7d75e4df9577 40
andrewbw01 0:7d75e4df9577 41
andrewbw01 0:7d75e4df9577 42 // Interrupts
andrewbw01 0:7d75e4df9577 43 InterruptIn cal_button(p14); // Assign interrupt input object to pin 14
andrewbw01 0:7d75e4df9577 44
andrewbw01 0:7d75e4df9577 45 // Prototypes for ISRs
andrewbw01 0:7d75e4df9577 46 void cal_isr(void); // Declare ISR for cal button on p14
andrewbw01 0:7d75e4df9577 47
andrewbw01 0:7d75e4df9577 48 // Function Prototypes
andrewbw01 0:7d75e4df9577 49 char Keypad(void); // Declare Keypad function will return character pressed
andrewbw01 0:7d75e4df9577 50 void DisplayChar(char); // Declare function to display character on 7 segment
andrewbw01 0:7d75e4df9577 51 void Flash_char(char); // Declare function to flash character on 7 segment
andrewbw01 0:7d75e4df9577 52
andrewbw01 0:7d75e4df9577 53
andrewbw01 0:7d75e4df9577 54
andrewbw01 0:7d75e4df9577 55
andrewbw01 0:7d75e4df9577 56
andrewbw01 0:7d75e4df9577 57 // ************ MAIN ************
andrewbw01 0:7d75e4df9577 58 int main()
andrewbw01 0:7d75e4df9577 59 {
andrewbw01 0:7d75e4df9577 60 mode=1; // On startup set mode=1
andrewbw01 0:7d75e4df9577 61
andrewbw01 0:7d75e4df9577 62 cal_button.rise(&cal_isr); //Attach address of ISR to interrupt
andrewbw01 0:7d75e4df9577 63
andrewbw01 0:7d75e4df9577 64 int counter=0; // General program or character counter
andrewbw01 0:7d75e4df9577 65
andrewbw01 0:7d75e4df9577 66 int kp_char = ' '; // Character read from keypad (ASCII)
andrewbw01 0:7d75e4df9577 67
andrewbw01 0:7d75e4df9577 68
andrewbw01 0:7d75e4df9577 69 while(1)
andrewbw01 0:7d75e4df9577 70 {
andrewbw01 0:7d75e4df9577 71 if(mode==1) // Check if startup mode is set
andrewbw01 0:7d75e4df9577 72 {
andrewbw01 0:7d75e4df9577 73 if(counter>=5)
andrewbw01 0:7d75e4df9577 74 counter=0; // Reset counter
andrewbw01 0:7d75e4df9577 75
andrewbw01 0:7d75e4df9577 76 if (counter==0)
andrewbw01 0:7d75e4df9577 77 Flash_char('H'); // Flash 'H'
andrewbw01 0:7d75e4df9577 78 else if (counter==1)
andrewbw01 0:7d75e4df9577 79 Flash_char('E'); // Flash 'E'
andrewbw01 0:7d75e4df9577 80 else if (counter==2)
andrewbw01 0:7d75e4df9577 81 Flash_char('L'); // Flash 'L'
andrewbw01 0:7d75e4df9577 82 else if (counter==3)
andrewbw01 0:7d75e4df9577 83 Flash_char('L'); // Flash 'L'
andrewbw01 0:7d75e4df9577 84 else if (counter==4)
andrewbw01 0:7d75e4df9577 85 Flash_char('0'); // Flash '0'
andrewbw01 0:7d75e4df9577 86
andrewbw01 0:7d75e4df9577 87
andrewbw01 0:7d75e4df9577 88 counter++; //Increment message counter
andrewbw01 0:7d75e4df9577 89 }
andrewbw01 0:7d75e4df9577 90
andrewbw01 0:7d75e4df9577 91
andrewbw01 0:7d75e4df9577 92
andrewbw01 0:7d75e4df9577 93 else if(mode==2) // Check if keypad mode
andrewbw01 0:7d75e4df9577 94 {
andrewbw01 0:7d75e4df9577 95
andrewbw01 0:7d75e4df9577 96 counter=0; // reset message counter
andrewbw01 0:7d75e4df9577 97
andrewbw01 0:7d75e4df9577 98 kp_char = Keypad(); // Poll keypad and check if key pressed
andrewbw01 0:7d75e4df9577 99
andrewbw01 0:7d75e4df9577 100 if(kp_char!=' ') // If keypad char == ' ' then no key pressed
andrewbw01 0:7d75e4df9577 101 {
andrewbw01 0:7d75e4df9577 102
andrewbw01 0:7d75e4df9577 103 if(kp_char>='0' && kp_char<='9')
andrewbw01 0:7d75e4df9577 104 {
andrewbw01 0:7d75e4df9577 105 DisplayChar(kp_char); // Display character on 7 segment
andrewbw01 0:7d75e4df9577 106 pc.printf("%c\n\r",kp_char); // Send character to serial port
andrewbw01 0:7d75e4df9577 107
andrewbw01 0:7d75e4df9577 108 }
andrewbw01 0:7d75e4df9577 109 }
andrewbw01 0:7d75e4df9577 110 }
andrewbw01 0:7d75e4df9577 111
andrewbw01 0:7d75e4df9577 112
andrewbw01 0:7d75e4df9577 113 else if(mode==3) // Check if serial mode
andrewbw01 0:7d75e4df9577 114 {
andrewbw01 0:7d75e4df9577 115 kp_char = Keypad(); // Poll keypad and check if key pressed
andrewbw01 0:7d75e4df9577 116
andrewbw01 0:7d75e4df9577 117 if(s_port.readable())
andrewbw01 0:7d75e4df9577 118 {
andrewbw01 0:7d75e4df9577 119
andrewbw01 0:7d75e4df9577 120 kp_char = s_port.getc(); // Display character on 7 segment
andrewbw01 0:7d75e4df9577 121
andrewbw01 0:7d75e4df9577 122
andrewbw01 0:7d75e4df9577 123 if(kp_char>='0' && kp_char<='9')
andrewbw01 0:7d75e4df9577 124 {
andrewbw01 0:7d75e4df9577 125 DisplayChar(kp_char); // Display character on 7 segment
andrewbw01 0:7d75e4df9577 126 pc.printf("%c\n\r",kp_char); // Send character to serial port
andrewbw01 0:7d75e4df9577 127
andrewbw01 0:7d75e4df9577 128 }
andrewbw01 0:7d75e4df9577 129
andrewbw01 0:7d75e4df9577 130 }
andrewbw01 0:7d75e4df9577 131 }
andrewbw01 0:7d75e4df9577 132 }
andrewbw01 0:7d75e4df9577 133 }
andrewbw01 0:7d75e4df9577 134
andrewbw01 0:7d75e4df9577 135
andrewbw01 0:7d75e4df9577 136 // ISR function called by interrupt on push button
andrewbw01 0:7d75e4df9577 137 void cal_isr(void)
andrewbw01 0:7d75e4df9577 138 {
andrewbw01 0:7d75e4df9577 139 // Switch modes
andrewbw01 0:7d75e4df9577 140 if(mode==1)
andrewbw01 0:7d75e4df9577 141 {
andrewbw01 0:7d75e4df9577 142 mode=2; // Set mode to keypad mode
andrewbw01 0:7d75e4df9577 143 DisplayChar(' '); // Turn off all segments
andrewbw01 0:7d75e4df9577 144 //wait(0.1); //Debounce timer
andrewbw01 0:7d75e4df9577 145 }
andrewbw01 0:7d75e4df9577 146 else if(mode==2)
andrewbw01 0:7d75e4df9577 147 {
andrewbw01 0:7d75e4df9577 148 mode=3; // Set mode to serial mode
andrewbw01 0:7d75e4df9577 149 DisplayChar(' '); // Turn off all segments
andrewbw01 0:7d75e4df9577 150 //wait(0.1); //Debounce timer
andrewbw01 0:7d75e4df9577 151 }
andrewbw01 0:7d75e4df9577 152 else if(mode==3)
andrewbw01 0:7d75e4df9577 153 {
andrewbw01 0:7d75e4df9577 154 mode=1; // Set mode to startup mode
andrewbw01 0:7d75e4df9577 155 DisplayChar(' '); // Turn off all segments
andrewbw01 0:7d75e4df9577 156 //wait(0.1); //Debounce timer
andrewbw01 0:7d75e4df9577 157 }
andrewbw01 0:7d75e4df9577 158 }
andrewbw01 0:7d75e4df9577 159
andrewbw01 0:7d75e4df9577 160
andrewbw01 0:7d75e4df9577 161 // Function to flash character on 7 segment
andrewbw01 0:7d75e4df9577 162 void Flash_char(char new_char)
andrewbw01 0:7d75e4df9577 163 {
andrewbw01 0:7d75e4df9577 164 DisplayChar(' '); // Turn off all segments
andrewbw01 0:7d75e4df9577 165 wait(0.1);
andrewbw01 0:7d75e4df9577 166 DisplayChar(new_char); // Display chararacter on 7 segment
andrewbw01 0:7d75e4df9577 167 wait(0.6);
andrewbw01 0:7d75e4df9577 168 }
andrewbw01 0:7d75e4df9577 169
andrewbw01 0:7d75e4df9577 170
andrewbw01 0:7d75e4df9577 171
andrewbw01 0:7d75e4df9577 172
andrewbw01 0:7d75e4df9577 173 char Keypad(void)
andrewbw01 0:7d75e4df9577 174 {
andrewbw01 0:7d75e4df9577 175
andrewbw01 0:7d75e4df9577 176 // Test for any key pressed on column 1
andrewbw01 0:7d75e4df9577 177 // Pull col1 high and keep columns 2 and 3 low
andrewbw01 0:7d75e4df9577 178 col1=1;
andrewbw01 0:7d75e4df9577 179 col2=0;
andrewbw01 0:7d75e4df9577 180 col3=0;
andrewbw01 0:7d75e4df9577 181
andrewbw01 0:7d75e4df9577 182
andrewbw01 0:7d75e4df9577 183 if(row1==1) // While col1 is high, if row 1 is high then '1' is pressed
andrewbw01 0:7d75e4df9577 184 {
andrewbw01 0:7d75e4df9577 185 while(row1==1){} // Loop while button is pressed down
andrewbw01 0:7d75e4df9577 186 // On releasing the button return the button character and exit function
andrewbw01 0:7d75e4df9577 187
andrewbw01 0:7d75e4df9577 188 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 189 col1=0;
andrewbw01 0:7d75e4df9577 190 col2=0;
andrewbw01 0:7d75e4df9577 191 col3=0;
andrewbw01 0:7d75e4df9577 192 return('1'); // return character 1 and exit function
andrewbw01 0:7d75e4df9577 193 }
andrewbw01 0:7d75e4df9577 194 else if(row2==1) // While col1 is high, if row 2 is high then '4' is pressed
andrewbw01 0:7d75e4df9577 195 {
andrewbw01 0:7d75e4df9577 196 while(row2==1){}
andrewbw01 0:7d75e4df9577 197 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 198 col1=0;
andrewbw01 0:7d75e4df9577 199 col2=0;
andrewbw01 0:7d75e4df9577 200 col3=0;
andrewbw01 0:7d75e4df9577 201 return('4'); // Exit function and return
andrewbw01 0:7d75e4df9577 202 }
andrewbw01 0:7d75e4df9577 203 else if(row3==1) // While col1 is high, if row 3 is high then '7' is pressed
andrewbw01 0:7d75e4df9577 204 {
andrewbw01 0:7d75e4df9577 205 while(row3==1){}
andrewbw01 0:7d75e4df9577 206 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 207 col1=0;
andrewbw01 0:7d75e4df9577 208 col2=0;
andrewbw01 0:7d75e4df9577 209 col3=0;
andrewbw01 0:7d75e4df9577 210 return('7');
andrewbw01 0:7d75e4df9577 211 }
andrewbw01 0:7d75e4df9577 212 else if(row4==1) // While col1 is high, if row 4 is high then '*' is pressed
andrewbw01 0:7d75e4df9577 213 {
andrewbw01 0:7d75e4df9577 214 while(row4==1){}
andrewbw01 0:7d75e4df9577 215 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 216 col1=0;
andrewbw01 0:7d75e4df9577 217 col2=0;
andrewbw01 0:7d75e4df9577 218 col3=0;
andrewbw01 0:7d75e4df9577 219 return('*');
andrewbw01 0:7d75e4df9577 220 }
andrewbw01 0:7d75e4df9577 221
andrewbw01 0:7d75e4df9577 222
andrewbw01 0:7d75e4df9577 223
andrewbw01 0:7d75e4df9577 224 // Test for any key pressed on column 2
andrewbw01 0:7d75e4df9577 225 // Pull col2 high and keep columns 1 and 3 low
andrewbw01 0:7d75e4df9577 226 col1=0;
andrewbw01 0:7d75e4df9577 227 col2=1;
andrewbw01 0:7d75e4df9577 228 col3=0;
andrewbw01 0:7d75e4df9577 229
andrewbw01 0:7d75e4df9577 230 if(row1==1) // While col2 is high, if row 1 is high then '2' is pressed
andrewbw01 0:7d75e4df9577 231 {
andrewbw01 0:7d75e4df9577 232 while(row1==1){} // Loop
andrewbw01 0:7d75e4df9577 233 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 234 col1=0;
andrewbw01 0:7d75e4df9577 235 col2=0;
andrewbw01 0:7d75e4df9577 236 col3=0;
andrewbw01 0:7d75e4df9577 237 return('2');
andrewbw01 0:7d75e4df9577 238 }
andrewbw01 0:7d75e4df9577 239 else if(row2==1) // While col2 is high, if row 2 is high then '5' is pressed
andrewbw01 0:7d75e4df9577 240 {
andrewbw01 0:7d75e4df9577 241 while(row2==1){} // Loop
andrewbw01 0:7d75e4df9577 242 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 243 col1=0;
andrewbw01 0:7d75e4df9577 244 col2=0;
andrewbw01 0:7d75e4df9577 245 col3=0;
andrewbw01 0:7d75e4df9577 246 return('5');
andrewbw01 0:7d75e4df9577 247 }
andrewbw01 0:7d75e4df9577 248 else if(row3==1) // While col2 is high, if row 3 is high then '8' is pressed
andrewbw01 0:7d75e4df9577 249 {
andrewbw01 0:7d75e4df9577 250 while(row3==1){} // Loop
andrewbw01 0:7d75e4df9577 251 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 252 col1=0;
andrewbw01 0:7d75e4df9577 253 col2=0;
andrewbw01 0:7d75e4df9577 254 col3=0;
andrewbw01 0:7d75e4df9577 255 return('8');
andrewbw01 0:7d75e4df9577 256 }
andrewbw01 0:7d75e4df9577 257 else if(row4==1) // While col2 is high, if row 4 is high then '0' is pressed
andrewbw01 0:7d75e4df9577 258 {
andrewbw01 0:7d75e4df9577 259 while(row4==1){} // Loop
andrewbw01 0:7d75e4df9577 260 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 261 col1=0;
andrewbw01 0:7d75e4df9577 262 col2=0;
andrewbw01 0:7d75e4df9577 263 col3=0;
andrewbw01 0:7d75e4df9577 264 return('0');
andrewbw01 0:7d75e4df9577 265 }
andrewbw01 0:7d75e4df9577 266
andrewbw01 0:7d75e4df9577 267
andrewbw01 0:7d75e4df9577 268 // Test for any key pressed on column 3
andrewbw01 0:7d75e4df9577 269 // Pull col3 high and keep columns 1 and 2 low
andrewbw01 0:7d75e4df9577 270 col1=0;
andrewbw01 0:7d75e4df9577 271 col2=0;
andrewbw01 0:7d75e4df9577 272 col3=1;
andrewbw01 0:7d75e4df9577 273
andrewbw01 0:7d75e4df9577 274 if(row1==1) // While col3 is high, if row 1 is high then '3' is pressed
andrewbw01 0:7d75e4df9577 275 {
andrewbw01 0:7d75e4df9577 276 while(row1==1){} // Loop
andrewbw01 0:7d75e4df9577 277 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 278 col1=0;
andrewbw01 0:7d75e4df9577 279 col2=0;
andrewbw01 0:7d75e4df9577 280 col3=0;
andrewbw01 0:7d75e4df9577 281 return('3');
andrewbw01 0:7d75e4df9577 282 }
andrewbw01 0:7d75e4df9577 283 else if(row2==1) // While col3 is high, if row 2 is high then '6' is pressed
andrewbw01 0:7d75e4df9577 284 {
andrewbw01 0:7d75e4df9577 285 while(row2==1){} // Loop
andrewbw01 0:7d75e4df9577 286 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 287 col1=0;
andrewbw01 0:7d75e4df9577 288 col2=0;
andrewbw01 0:7d75e4df9577 289 col3=0;
andrewbw01 0:7d75e4df9577 290 return('6');
andrewbw01 0:7d75e4df9577 291 }
andrewbw01 0:7d75e4df9577 292 else if(row3==1) // While col3 is high, if row 3 is high then '9' is pressed
andrewbw01 0:7d75e4df9577 293 {
andrewbw01 0:7d75e4df9577 294 while(row3==1){} // Loop
andrewbw01 0:7d75e4df9577 295 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 296 col1=0;
andrewbw01 0:7d75e4df9577 297 col2=0;
andrewbw01 0:7d75e4df9577 298 col3=0;
andrewbw01 0:7d75e4df9577 299 return('9');
andrewbw01 0:7d75e4df9577 300 }
andrewbw01 0:7d75e4df9577 301 else if(row4==1) // While col3 is high, if row 4 is high then '#' is pressed
andrewbw01 0:7d75e4df9577 302 {
andrewbw01 0:7d75e4df9577 303 while(row4==1){} // Loop
andrewbw01 0:7d75e4df9577 304 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 305 col1=0;
andrewbw01 0:7d75e4df9577 306 col2=0;
andrewbw01 0:7d75e4df9577 307 col3=0;
andrewbw01 0:7d75e4df9577 308 return('#');
andrewbw01 0:7d75e4df9577 309 }
andrewbw01 0:7d75e4df9577 310
andrewbw01 0:7d75e4df9577 311 // Pull all colums low to end
andrewbw01 0:7d75e4df9577 312 col1=0;
andrewbw01 0:7d75e4df9577 313 col2=0;
andrewbw01 0:7d75e4df9577 314 col3=0;
andrewbw01 0:7d75e4df9577 315
andrewbw01 0:7d75e4df9577 316
andrewbw01 0:7d75e4df9577 317 // ***** Return value ******
andrewbw01 0:7d75e4df9577 318 return(' '); // If no key is pressed then return ' ' a space character.
andrewbw01 0:7d75e4df9577 319
andrewbw01 0:7d75e4df9577 320 } // Keypad Function End
andrewbw01 0:7d75e4df9577 321
andrewbw01 0:7d75e4df9577 322
andrewbw01 0:7d75e4df9577 323
andrewbw01 0:7d75e4df9577 324
andrewbw01 0:7d75e4df9577 325 // Function to display a character on 7 segment LED display
andrewbw01 0:7d75e4df9577 326 void DisplayChar(char disp_char)
andrewbw01 0:7d75e4df9577 327 {
andrewbw01 0:7d75e4df9577 328 switch(disp_char)
andrewbw01 0:7d75e4df9577 329 {
andrewbw01 0:7d75e4df9577 330 case '0':
andrewbw01 0:7d75e4df9577 331 LED_Disp = ~0x3F; // Bit pattern for '0' = ~0xC0
andrewbw01 0:7d75e4df9577 332 break;
andrewbw01 0:7d75e4df9577 333 case '1':
andrewbw01 0:7d75e4df9577 334 LED_Disp = ~0x06; // Bit pattern for '1' = ~0xF9
andrewbw01 0:7d75e4df9577 335 break;
andrewbw01 0:7d75e4df9577 336 case '2':
andrewbw01 0:7d75e4df9577 337 LED_Disp = ~0x5B; // Bit pattern for '2' = ~0xA4
andrewbw01 0:7d75e4df9577 338 break;
andrewbw01 0:7d75e4df9577 339 case '3':
andrewbw01 0:7d75e4df9577 340 LED_Disp = ~0x4F; // Bit pattern for '3' = ~0xB0
andrewbw01 0:7d75e4df9577 341 break;
andrewbw01 0:7d75e4df9577 342 case '4':
andrewbw01 0:7d75e4df9577 343 LED_Disp = ~0x66; // Bit pattern for '4' = ~0x99
andrewbw01 0:7d75e4df9577 344 break;
andrewbw01 0:7d75e4df9577 345 case '5':
andrewbw01 0:7d75e4df9577 346 LED_Disp = ~0x6D; // Bit pattern for '5' = ~0x92
andrewbw01 0:7d75e4df9577 347 break;
andrewbw01 0:7d75e4df9577 348 case '6':
andrewbw01 0:7d75e4df9577 349 LED_Disp = ~0x7D; // Bit pattern for '6' = ~0x82
andrewbw01 0:7d75e4df9577 350 break;
andrewbw01 0:7d75e4df9577 351 case '7':
andrewbw01 0:7d75e4df9577 352 LED_Disp = ~0x07; // Bit pattern for '7' = ~0xF8
andrewbw01 0:7d75e4df9577 353 break;
andrewbw01 0:7d75e4df9577 354 case '8':
andrewbw01 0:7d75e4df9577 355 LED_Disp = ~0x7F; // Bit pattern for '8' = ~0x80
andrewbw01 0:7d75e4df9577 356 break;
andrewbw01 0:7d75e4df9577 357 case '9':
andrewbw01 0:7d75e4df9577 358 LED_Disp = ~0x67; // Bit pattern for '9' = ~0x98
andrewbw01 0:7d75e4df9577 359 break;
andrewbw01 0:7d75e4df9577 360 case 'A':
andrewbw01 0:7d75e4df9577 361 LED_Disp = ~0x77; // Bit pattern for 'A' = ~0x77
andrewbw01 0:7d75e4df9577 362 break;
andrewbw01 0:7d75e4df9577 363 case 'B':
andrewbw01 0:7d75e4df9577 364 LED_Disp = ~0x7F; // Bit pattern for 'B' = ~0x7F
andrewbw01 0:7d75e4df9577 365 break;
andrewbw01 0:7d75e4df9577 366 case 'C':
andrewbw01 0:7d75e4df9577 367 LED_Disp = ~0x39; // Bit pattern for 'C' = ~0x39
andrewbw01 0:7d75e4df9577 368 break;
andrewbw01 0:7d75e4df9577 369 case 'D':
andrewbw01 0:7d75e4df9577 370 LED_Disp = ~0x3F; // Bit pattern for 'D' = ~0x3F
andrewbw01 0:7d75e4df9577 371 break;
andrewbw01 0:7d75e4df9577 372 case 'E':
andrewbw01 0:7d75e4df9577 373 LED_Disp = ~0x79; // Bit pattern for 'E' = ~0x79
andrewbw01 0:7d75e4df9577 374 break;
andrewbw01 0:7d75e4df9577 375 case 'F':
andrewbw01 0:7d75e4df9577 376 LED_Disp = ~0x71; // Bit pattern for 'F' = ~0x71
andrewbw01 0:7d75e4df9577 377 break;
andrewbw01 0:7d75e4df9577 378 case 'G':
andrewbw01 0:7d75e4df9577 379 LED_Disp = ~0x7D; // Bit pattern for 'G' = ~0x7D
andrewbw01 0:7d75e4df9577 380 break;
andrewbw01 0:7d75e4df9577 381 case 'H': // Display character 'H' = ~0x77
andrewbw01 0:7d75e4df9577 382 LED_Disp = ~0x76;
andrewbw01 0:7d75e4df9577 383 break;
andrewbw01 0:7d75e4df9577 384 case 'I': // Display character 'I' = ~0x06
andrewbw01 0:7d75e4df9577 385 LED_Disp = ~0x06;
andrewbw01 0:7d75e4df9577 386 break;
andrewbw01 0:7d75e4df9577 387 case 'L': // Display character 'L' = ~0x38
andrewbw01 0:7d75e4df9577 388 LED_Disp = ~0x38;
andrewbw01 0:7d75e4df9577 389 break;
andrewbw01 0:7d75e4df9577 390 case 'S':
andrewbw01 0:7d75e4df9577 391 LED_Disp = ~0x6D; // Bit pattern for 'S' = ~0x92
andrewbw01 0:7d75e4df9577 392 break;
andrewbw01 0:7d75e4df9577 393 case ' ': // Display character ' ' = ~0x00
andrewbw01 0:7d75e4df9577 394 LED_Disp = ~0x00;
andrewbw01 0:7d75e4df9577 395 break;
andrewbw01 0:7d75e4df9577 396 case '*': // keypad '*' character
andrewbw01 0:7d75e4df9577 397 LED_Disp = ~0x63; // Top 4 segments
andrewbw01 0:7d75e4df9577 398 break;
andrewbw01 0:7d75e4df9577 399 case '#': // keypad '#' character
andrewbw01 0:7d75e4df9577 400 LED_Disp = ~0x5C; // Bottom 4 segments
andrewbw01 0:7d75e4df9577 401 break;
andrewbw01 0:7d75e4df9577 402 }
andrewbw01 0:7d75e4df9577 403 }