Felipe Neves
/
ftf_mbed_lab3
ftf mbedos threads lab
main.cpp@1:e7266223f1fa, 2016-11-05 (annotated)
- Committer:
- uLipe
- Date:
- Sat Nov 05 23:27:09 2016 +0000
- Revision:
- 1:e7266223f1fa
- Parent:
- 0:ead5ee0a33fa
added backspace support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
uLipe | 0:ead5ee0a33fa | 1 | /** |
uLipe | 0:ead5ee0a33fa | 2 | * @brief NXP FTF LAB3 - Mbed OS Threads control each thread execution |
uLipe | 0:ead5ee0a33fa | 3 | */ |
uLipe | 0:ead5ee0a33fa | 4 | |
uLipe | 0:ead5ee0a33fa | 5 | |
uLipe | 0:ead5ee0a33fa | 6 | #include "mbed.h" |
uLipe | 0:ead5ee0a33fa | 7 | #include "ST7567.h" |
uLipe | 0:ead5ee0a33fa | 8 | #include "rtos.h" |
uLipe | 0:ead5ee0a33fa | 9 | |
uLipe | 0:ead5ee0a33fa | 10 | /* LCD screen dimensions */ |
uLipe | 0:ead5ee0a33fa | 11 | #define LCD_HEIGHT 64 |
uLipe | 0:ead5ee0a33fa | 12 | #define LCD_WIDTH 128 |
uLipe | 0:ead5ee0a33fa | 13 | |
uLipe | 0:ead5ee0a33fa | 14 | /* LCD font dimensions */ |
uLipe | 0:ead5ee0a33fa | 15 | #define FONT_HEIGHT 10 |
uLipe | 0:ead5ee0a33fa | 16 | #define FONT_WIDTH 5 |
uLipe | 0:ead5ee0a33fa | 17 | |
uLipe | 0:ead5ee0a33fa | 18 | |
uLipe | 0:ead5ee0a33fa | 19 | /** Instance a on board GLCD object */ |
uLipe | 0:ead5ee0a33fa | 20 | ST7567 glcd(D11, D13, D12, D9, D10); |
uLipe | 0:ead5ee0a33fa | 21 | |
uLipe | 0:ead5ee0a33fa | 22 | |
uLipe | 0:ead5ee0a33fa | 23 | /* allocate statically stacks for the three threads */ |
uLipe | 0:ead5ee0a33fa | 24 | unsigned char app1_stk[1024]; |
uLipe | 0:ead5ee0a33fa | 25 | unsigned char app2_stk[1024]; |
uLipe | 0:ead5ee0a33fa | 26 | unsigned char app3_stk[1024]; |
uLipe | 0:ead5ee0a33fa | 27 | unsigned char shell_stk[4096]; |
uLipe | 0:ead5ee0a33fa | 28 | |
uLipe | 0:ead5ee0a33fa | 29 | /* creates three tread objects with different priorities */ |
uLipe | 0:ead5ee0a33fa | 30 | Thread app1_thread(osPriorityNormal, 1024, &app1_stk[0]); |
uLipe | 0:ead5ee0a33fa | 31 | Thread app2_thread(osPriorityHigh, 1024, &app2_stk[0]); |
uLipe | 0:ead5ee0a33fa | 32 | Thread app3_thread(osPriorityNormal, 1024, &app3_stk[0]); |
uLipe | 0:ead5ee0a33fa | 33 | Thread shell_thread(osPriorityRealtime, 4096, &shell_stk[0]); |
uLipe | 0:ead5ee0a33fa | 34 | |
uLipe | 0:ead5ee0a33fa | 35 | |
uLipe | 0:ead5ee0a33fa | 36 | /** Instance a UART class to communicate with pc */ |
uLipe | 0:ead5ee0a33fa | 37 | Serial pc_serial(USBTX,USBRX); |
uLipe | 0:ead5ee0a33fa | 38 | |
uLipe | 0:ead5ee0a33fa | 39 | |
uLipe | 0:ead5ee0a33fa | 40 | /** |
uLipe | 0:ead5ee0a33fa | 41 | * @brief application demo task |
uLipe | 0:ead5ee0a33fa | 42 | */ |
uLipe | 0:ead5ee0a33fa | 43 | void app1_task(void) { |
uLipe | 0:ead5ee0a33fa | 44 | const char thread_message[] = {"app1_task now running! \0"}; |
uLipe | 0:ead5ee0a33fa | 45 | for(;;) { |
uLipe | 1:e7266223f1fa | 46 | /* each thread has the same behavior |
uLipe | 1:e7266223f1fa | 47 | * waits for a signal and when it asserted |
uLipe | 1:e7266223f1fa | 48 | * executes and keep sending a signal_set |
uLipe | 1:e7266223f1fa | 49 | * in order to suspend only when requested via |
uLipe | 1:e7266223f1fa | 50 | * terminal |
uLipe | 1:e7266223f1fa | 51 | */ |
uLipe | 0:ead5ee0a33fa | 52 | app1_thread.signal_wait(1); |
uLipe | 0:ead5ee0a33fa | 53 | app1_thread.signal_set(1); |
uLipe | 0:ead5ee0a33fa | 54 | glcd.locate((LCD_WIDTH - (FONT_WIDTH * sizeof(thread_message)))/2, |
uLipe | 0:ead5ee0a33fa | 55 | (LCD_HEIGHT - FONT_HEIGHT) / 2); |
uLipe | 0:ead5ee0a33fa | 56 | glcd.printf(thread_message); |
uLipe | 0:ead5ee0a33fa | 57 | } |
uLipe | 0:ead5ee0a33fa | 58 | } |
uLipe | 0:ead5ee0a33fa | 59 | |
uLipe | 0:ead5ee0a33fa | 60 | /** |
uLipe | 0:ead5ee0a33fa | 61 | * @brief application demo task |
uLipe | 0:ead5ee0a33fa | 62 | */ |
uLipe | 0:ead5ee0a33fa | 63 | void app2_task(void) { |
uLipe | 0:ead5ee0a33fa | 64 | const char thread_message[] = {"app2_task now running! \0"}; |
uLipe | 0:ead5ee0a33fa | 65 | |
uLipe | 0:ead5ee0a33fa | 66 | for(;;) { |
uLipe | 0:ead5ee0a33fa | 67 | app2_thread.signal_wait(1); |
uLipe | 0:ead5ee0a33fa | 68 | app2_thread.signal_set(1); |
uLipe | 0:ead5ee0a33fa | 69 | glcd.locate((LCD_WIDTH - (FONT_WIDTH * sizeof(thread_message)))/2, |
uLipe | 0:ead5ee0a33fa | 70 | (LCD_HEIGHT - FONT_HEIGHT) / 2); |
uLipe | 0:ead5ee0a33fa | 71 | glcd.printf(thread_message); |
uLipe | 0:ead5ee0a33fa | 72 | } |
uLipe | 0:ead5ee0a33fa | 73 | } |
uLipe | 0:ead5ee0a33fa | 74 | |
uLipe | 0:ead5ee0a33fa | 75 | |
uLipe | 0:ead5ee0a33fa | 76 | |
uLipe | 0:ead5ee0a33fa | 77 | /** |
uLipe | 0:ead5ee0a33fa | 78 | * @brief application demo task |
uLipe | 0:ead5ee0a33fa | 79 | */ |
uLipe | 0:ead5ee0a33fa | 80 | void app3_task(void) { |
uLipe | 0:ead5ee0a33fa | 81 | const char thread_message[] = {"app3_task now running! \0"}; |
uLipe | 0:ead5ee0a33fa | 82 | |
uLipe | 0:ead5ee0a33fa | 83 | for(;;) { |
uLipe | 0:ead5ee0a33fa | 84 | app3_thread.signal_wait(1); |
uLipe | 0:ead5ee0a33fa | 85 | app3_thread.signal_set(1); |
uLipe | 0:ead5ee0a33fa | 86 | glcd.locate((LCD_WIDTH - (FONT_WIDTH * sizeof(thread_message)))/2, |
uLipe | 0:ead5ee0a33fa | 87 | (LCD_HEIGHT - FONT_HEIGHT) / 2); |
uLipe | 0:ead5ee0a33fa | 88 | glcd.printf(thread_message); |
uLipe | 0:ead5ee0a33fa | 89 | } |
uLipe | 0:ead5ee0a33fa | 90 | } |
uLipe | 0:ead5ee0a33fa | 91 | |
uLipe | 0:ead5ee0a33fa | 92 | |
uLipe | 0:ead5ee0a33fa | 93 | /** |
uLipe | 0:ead5ee0a33fa | 94 | * @brief thread_command interpreter |
uLipe | 0:ead5ee0a33fa | 95 | */ |
uLipe | 0:ead5ee0a33fa | 96 | void shell_thread_execute_command(int argc, char **argv){ |
uLipe | 0:ead5ee0a33fa | 97 | |
uLipe | 0:ead5ee0a33fa | 98 | Thread *ptr; |
uLipe | 0:ead5ee0a33fa | 99 | |
uLipe | 0:ead5ee0a33fa | 100 | /* check the argument number */ |
uLipe | 0:ead5ee0a33fa | 101 | if(argc < 2) { |
uLipe | 0:ead5ee0a33fa | 102 | pc_serial.printf("## thread: too few arguments, exiting \n\r"); |
uLipe | 0:ead5ee0a33fa | 103 | return; |
uLipe | 0:ead5ee0a33fa | 104 | } |
uLipe | 0:ead5ee0a33fa | 105 | |
uLipe | 0:ead5ee0a33fa | 106 | /* check which thread the shell command is claiming */ |
uLipe | 0:ead5ee0a33fa | 107 | if(strcmp("app1", argv[0])== 0) { |
uLipe | 0:ead5ee0a33fa | 108 | ptr = &app1_thread; |
uLipe | 0:ead5ee0a33fa | 109 | }else if (strcmp("app2", argv[0])==0) { |
uLipe | 0:ead5ee0a33fa | 110 | ptr = &app2_thread; |
uLipe | 0:ead5ee0a33fa | 111 | } else if (strcmp("app3", argv[0])==0) { |
uLipe | 0:ead5ee0a33fa | 112 | ptr = &app3_thread; |
uLipe | 0:ead5ee0a33fa | 113 | }else { |
uLipe | 0:ead5ee0a33fa | 114 | /* oops! invalid thread */ |
uLipe | 0:ead5ee0a33fa | 115 | pc_serial.printf("## thread: invalid thread argument, exiting! \n\r"); |
uLipe | 0:ead5ee0a33fa | 116 | return; |
uLipe | 0:ead5ee0a33fa | 117 | } |
uLipe | 0:ead5ee0a33fa | 118 | |
uLipe | 0:ead5ee0a33fa | 119 | |
uLipe | 0:ead5ee0a33fa | 120 | /* select which command */ |
uLipe | 0:ead5ee0a33fa | 121 | if(strcmp("resume", argv[1])== 0) { |
uLipe | 0:ead5ee0a33fa | 122 | glcd.cls(); |
uLipe | 0:ead5ee0a33fa | 123 | ptr->signal_set(1); |
uLipe | 0:ead5ee0a33fa | 124 | pc_serial.printf("## thread: Resuming the %s task! \n\r", argv[0]); |
uLipe | 0:ead5ee0a33fa | 125 | }else if (strcmp("suspend", argv[1]) == 0) { |
uLipe | 0:ead5ee0a33fa | 126 | glcd.cls(); |
uLipe | 0:ead5ee0a33fa | 127 | ptr->signal_clr(1); |
uLipe | 0:ead5ee0a33fa | 128 | pc_serial.printf("## thread: Suspending the %s task! \n\r", argv[0]); |
uLipe | 0:ead5ee0a33fa | 129 | }else{ |
uLipe | 0:ead5ee0a33fa | 130 | /* oops! invalid thread */ |
uLipe | 0:ead5ee0a33fa | 131 | pc_serial.printf("## thread: invalid option argument, exiting! \n\r"); |
uLipe | 0:ead5ee0a33fa | 132 | return; |
uLipe | 0:ead5ee0a33fa | 133 | } |
uLipe | 0:ead5ee0a33fa | 134 | |
uLipe | 0:ead5ee0a33fa | 135 | } |
uLipe | 0:ead5ee0a33fa | 136 | |
uLipe | 0:ead5ee0a33fa | 137 | |
uLipe | 0:ead5ee0a33fa | 138 | /** |
uLipe | 0:ead5ee0a33fa | 139 | * @brief show help menu |
uLipe | 0:ead5ee0a33fa | 140 | */ |
uLipe | 0:ead5ee0a33fa | 141 | static void print_usage(void) { |
uLipe | 0:ead5ee0a33fa | 142 | pc_serial.printf("## use with the syntax below: \n\r"); |
uLipe | 0:ead5ee0a33fa | 143 | pc_serial.printf("## command <arg1> <arg2> ... <arg16> \n\r"); |
uLipe | 0:ead5ee0a33fa | 144 | pc_serial.printf("## Available commands: \n\r"); |
uLipe | 0:ead5ee0a33fa | 145 | pc_serial.printf("## thread <app1/2/3> <suspend|resume> : control thread execution \n\r"); |
uLipe | 0:ead5ee0a33fa | 146 | pc_serial.printf("## app1/2/3: name of desired thread\n\r"); |
uLipe | 0:ead5ee0a33fa | 147 | pc_serial.printf("## suspend: suspend selected thread from execution \n\r"); |
uLipe | 0:ead5ee0a33fa | 148 | pc_serial.printf("## resume: resume selected thread execution \n\r"); |
uLipe | 0:ead5ee0a33fa | 149 | } |
uLipe | 0:ead5ee0a33fa | 150 | |
uLipe | 0:ead5ee0a33fa | 151 | |
uLipe | 0:ead5ee0a33fa | 152 | /** |
uLipe | 0:ead5ee0a33fa | 153 | * @brief parse the command received via comport |
uLipe | 0:ead5ee0a33fa | 154 | */ |
uLipe | 0:ead5ee0a33fa | 155 | static void shell_parser (char *cmd, int size) { |
uLipe | 0:ead5ee0a33fa | 156 | int cmd_ptr = 0; |
uLipe | 0:ead5ee0a33fa | 157 | int arg_ptr = 0; |
uLipe | 0:ead5ee0a33fa | 158 | int cmd_size = 0; |
uLipe | 0:ead5ee0a33fa | 159 | char command_buffer[256]; |
uLipe | 0:ead5ee0a33fa | 160 | |
uLipe | 0:ead5ee0a33fa | 161 | int argc = 0; |
uLipe | 0:ead5ee0a33fa | 162 | char *argv[16]; |
uLipe | 0:ead5ee0a33fa | 163 | |
uLipe | 0:ead5ee0a33fa | 164 | /* copy to the root command */ |
uLipe | 0:ead5ee0a33fa | 165 | memset(&command_buffer, 0, sizeof(command_buffer)); |
uLipe | 0:ead5ee0a33fa | 166 | |
uLipe | 0:ead5ee0a33fa | 167 | /* find the root command terminator (space) */ |
uLipe | 0:ead5ee0a33fa | 168 | while(cmd_ptr < size) { |
uLipe | 0:ead5ee0a33fa | 169 | if(cmd[cmd_ptr] == ' ') break; |
uLipe | 0:ead5ee0a33fa | 170 | cmd_ptr++; |
uLipe | 0:ead5ee0a33fa | 171 | } |
uLipe | 0:ead5ee0a33fa | 172 | cmd_size = size - cmd_ptr; |
uLipe | 0:ead5ee0a33fa | 173 | |
uLipe | 0:ead5ee0a33fa | 174 | |
uLipe | 0:ead5ee0a33fa | 175 | /* extract command arguments */ |
uLipe | 0:ead5ee0a33fa | 176 | strncpy(&command_buffer[0], &cmd[cmd_ptr + 1], (size - cmd_ptr)); |
uLipe | 0:ead5ee0a33fa | 177 | |
uLipe | 0:ead5ee0a33fa | 178 | /* terminates the root command */ |
uLipe | 0:ead5ee0a33fa | 179 | cmd[cmd_ptr] = 0; |
uLipe | 0:ead5ee0a33fa | 180 | arg_ptr = 0; |
uLipe | 0:ead5ee0a33fa | 181 | |
uLipe | 0:ead5ee0a33fa | 182 | //pc_serial.printf("## command: %s \n\r", cmd); |
uLipe | 0:ead5ee0a33fa | 183 | //pc_serial.printf("## arguments: %s \n\r", command_buffer); |
uLipe | 0:ead5ee0a33fa | 184 | |
uLipe | 0:ead5ee0a33fa | 185 | |
uLipe | 0:ead5ee0a33fa | 186 | /* extract the further arguments */ |
uLipe | 0:ead5ee0a33fa | 187 | while(arg_ptr < (cmd_size)) { |
uLipe | 0:ead5ee0a33fa | 188 | |
uLipe | 0:ead5ee0a33fa | 189 | argc++; |
uLipe | 0:ead5ee0a33fa | 190 | *(argv + (argc- 1)) = &command_buffer[arg_ptr]; |
uLipe | 0:ead5ee0a33fa | 191 | |
uLipe | 0:ead5ee0a33fa | 192 | /* find terminator */ |
uLipe | 0:ead5ee0a33fa | 193 | while(command_buffer[arg_ptr] != ' ') { |
uLipe | 0:ead5ee0a33fa | 194 | arg_ptr++; |
uLipe | 0:ead5ee0a33fa | 195 | } |
uLipe | 0:ead5ee0a33fa | 196 | |
uLipe | 0:ead5ee0a33fa | 197 | /* adds to argument list */ |
uLipe | 0:ead5ee0a33fa | 198 | command_buffer[arg_ptr] = 0; |
uLipe | 0:ead5ee0a33fa | 199 | arg_ptr++; |
uLipe | 0:ead5ee0a33fa | 200 | // pc_serial.printf("## argument no: %d : %s \n\r", argc, argv[argc-1]); |
uLipe | 0:ead5ee0a33fa | 201 | } |
uLipe | 0:ead5ee0a33fa | 202 | |
uLipe | 0:ead5ee0a33fa | 203 | |
uLipe | 0:ead5ee0a33fa | 204 | |
uLipe | 0:ead5ee0a33fa | 205 | /* finds and execute the command table */ |
uLipe | 0:ead5ee0a33fa | 206 | if(strcmp("thread", cmd) == 0) { |
uLipe | 0:ead5ee0a33fa | 207 | shell_thread_execute_command(argc, argv); |
uLipe | 0:ead5ee0a33fa | 208 | } else { |
uLipe | 0:ead5ee0a33fa | 209 | print_usage(); |
uLipe | 0:ead5ee0a33fa | 210 | } |
uLipe | 0:ead5ee0a33fa | 211 | |
uLipe | 0:ead5ee0a33fa | 212 | } |
uLipe | 0:ead5ee0a33fa | 213 | |
uLipe | 0:ead5ee0a33fa | 214 | |
uLipe | 0:ead5ee0a33fa | 215 | |
uLipe | 0:ead5ee0a33fa | 216 | |
uLipe | 0:ead5ee0a33fa | 217 | /** |
uLipe | 0:ead5ee0a33fa | 218 | * @brief shell commands processing thread |
uLipe | 0:ead5ee0a33fa | 219 | */ |
uLipe | 0:ead5ee0a33fa | 220 | static void shell_task(void) |
uLipe | 0:ead5ee0a33fa | 221 | { |
uLipe | 0:ead5ee0a33fa | 222 | char serial_buffer[1024] = {0}; |
uLipe | 0:ead5ee0a33fa | 223 | int read_ptr = 0; |
uLipe | 0:ead5ee0a33fa | 224 | const char msg[] = {"Welcome to NXP FTF !\0"}; |
uLipe | 0:ead5ee0a33fa | 225 | |
uLipe | 0:ead5ee0a33fa | 226 | /* setup the serial as 115200 bps */ |
uLipe | 0:ead5ee0a33fa | 227 | pc_serial.baud(115200); |
uLipe | 0:ead5ee0a33fa | 228 | |
uLipe | 0:ead5ee0a33fa | 229 | /* setup our on-board glcd */ |
uLipe | 0:ead5ee0a33fa | 230 | glcd.set_contrast(0x35); |
uLipe | 0:ead5ee0a33fa | 231 | glcd.cls(); |
uLipe | 0:ead5ee0a33fa | 232 | |
uLipe | 0:ead5ee0a33fa | 233 | /* Center the LCD cursor based on message size*/ |
uLipe | 0:ead5ee0a33fa | 234 | glcd.locate(LCD_WIDTH - (sizeof(msg) * FONT_WIDTH), |
uLipe | 0:ead5ee0a33fa | 235 | (LCD_HEIGHT - FONT_HEIGHT) / 2); |
uLipe | 0:ead5ee0a33fa | 236 | |
uLipe | 0:ead5ee0a33fa | 237 | |
uLipe | 0:ead5ee0a33fa | 238 | /* prints a welcome message */ |
uLipe | 0:ead5ee0a33fa | 239 | glcd.printf(msg); |
uLipe | 0:ead5ee0a33fa | 240 | |
uLipe | 0:ead5ee0a33fa | 241 | glcd.cls(); |
uLipe | 0:ead5ee0a33fa | 242 | Thread::wait(1000); |
uLipe | 0:ead5ee0a33fa | 243 | |
uLipe | 0:ead5ee0a33fa | 244 | |
uLipe | 0:ead5ee0a33fa | 245 | pc_serial.printf("******************************************************************\n\r"); |
uLipe | 0:ead5ee0a33fa | 246 | pc_serial.printf("*** Welcome to NXP FTF Simple Shell application ****\n\r"); |
uLipe | 0:ead5ee0a33fa | 247 | pc_serial.printf("*** Type some commands or just Enter key to see the available ****\n\r"); |
uLipe | 0:ead5ee0a33fa | 248 | pc_serial.printf("******************************************************************\n\r"); |
uLipe | 0:ead5ee0a33fa | 249 | pc_serial.printf(">>"); |
uLipe | 0:ead5ee0a33fa | 250 | |
uLipe | 0:ead5ee0a33fa | 251 | for(;;Thread::wait(50)) { |
uLipe | 0:ead5ee0a33fa | 252 | /* check if we have character available */ |
uLipe | 0:ead5ee0a33fa | 253 | if(pc_serial.readable()) { |
uLipe | 0:ead5ee0a33fa | 254 | bool new_cmd = false; |
uLipe | 0:ead5ee0a33fa | 255 | |
uLipe | 0:ead5ee0a33fa | 256 | /* get the incoming character */ |
uLipe | 0:ead5ee0a33fa | 257 | char c = pc_serial.getc(); |
uLipe | 1:e7266223f1fa | 258 | |
uLipe | 0:ead5ee0a33fa | 259 | if( (c == '\n') || (c == '\r')) { |
uLipe | 1:e7266223f1fa | 260 | /* handle enter key */ |
uLipe | 0:ead5ee0a33fa | 261 | new_cmd = true; |
uLipe | 1:e7266223f1fa | 262 | pc_serial.printf("\n\r"); |
uLipe | 1:e7266223f1fa | 263 | |
uLipe | 1:e7266223f1fa | 264 | }else if( (c == 0x7F) || (c == 0x08)){ |
uLipe | 1:e7266223f1fa | 265 | /* handle backspace and del keys */ |
uLipe | 1:e7266223f1fa | 266 | pc_serial.printf("\033[1D"); |
uLipe | 1:e7266223f1fa | 267 | pc_serial.putc(' '); |
uLipe | 1:e7266223f1fa | 268 | pc_serial.printf("\033[1D"); |
uLipe | 1:e7266223f1fa | 269 | |
uLipe | 1:e7266223f1fa | 270 | read_ptr--; |
uLipe | 1:e7266223f1fa | 271 | if(read_ptr < -1) read_ptr = 1023; |
uLipe | 1:e7266223f1fa | 272 | serial_buffer[read_ptr] = ' '; |
uLipe | 1:e7266223f1fa | 273 | |
uLipe | 0:ead5ee0a33fa | 274 | |
uLipe | 0:ead5ee0a33fa | 275 | } else { |
uLipe | 1:e7266223f1fa | 276 | /* loopback the pressed key */ |
uLipe | 1:e7266223f1fa | 277 | pc_serial.putc(c); |
uLipe | 1:e7266223f1fa | 278 | |
uLipe | 1:e7266223f1fa | 279 | /* store the incoming character on command circular buffer */ |
uLipe | 0:ead5ee0a33fa | 280 | serial_buffer[read_ptr] = c; |
uLipe | 0:ead5ee0a33fa | 281 | read_ptr = (read_ptr + 1) % 1024; |
uLipe | 0:ead5ee0a33fa | 282 | } |
uLipe | 0:ead5ee0a33fa | 283 | |
uLipe | 1:e7266223f1fa | 284 | |
uLipe | 1:e7266223f1fa | 285 | |
uLipe | 0:ead5ee0a33fa | 286 | if(new_cmd != false) { |
uLipe | 0:ead5ee0a33fa | 287 | /* command arrived, has other characters? */ |
uLipe | 0:ead5ee0a33fa | 288 | if(read_ptr != 0) { |
uLipe | 0:ead5ee0a33fa | 289 | shell_parser(&serial_buffer[0], read_ptr); |
uLipe | 0:ead5ee0a33fa | 290 | } else { |
uLipe | 0:ead5ee0a33fa | 291 | print_usage(); |
uLipe | 0:ead5ee0a33fa | 292 | } |
uLipe | 0:ead5ee0a33fa | 293 | /* reset the buffer command */ |
uLipe | 0:ead5ee0a33fa | 294 | memset(&serial_buffer, 0, sizeof(serial_buffer)); |
uLipe | 0:ead5ee0a33fa | 295 | read_ptr = 0; |
uLipe | 0:ead5ee0a33fa | 296 | pc_serial.printf(">>"); |
uLipe | 0:ead5ee0a33fa | 297 | } |
uLipe | 0:ead5ee0a33fa | 298 | |
uLipe | 0:ead5ee0a33fa | 299 | } |
uLipe | 0:ead5ee0a33fa | 300 | } |
uLipe | 0:ead5ee0a33fa | 301 | } |
uLipe | 0:ead5ee0a33fa | 302 | |
uLipe | 0:ead5ee0a33fa | 303 | static void idle_hook(void) { |
uLipe | 1:e7266223f1fa | 304 | const char thread_message[] = {"No thread running!"}; |
uLipe | 0:ead5ee0a33fa | 305 | glcd.locate((LCD_WIDTH - (FONT_WIDTH * sizeof(thread_message)))/2, |
uLipe | 0:ead5ee0a33fa | 306 | (LCD_HEIGHT - FONT_HEIGHT) / 2); |
uLipe | 0:ead5ee0a33fa | 307 | glcd.printf(thread_message); |
uLipe | 0:ead5ee0a33fa | 308 | } |
uLipe | 0:ead5ee0a33fa | 309 | |
uLipe | 0:ead5ee0a33fa | 310 | /** |
uLipe | 0:ead5ee0a33fa | 311 | * @brief main application loop |
uLipe | 0:ead5ee0a33fa | 312 | */ |
uLipe | 0:ead5ee0a33fa | 313 | int main(void) |
uLipe | 0:ead5ee0a33fa | 314 | { |
uLipe | 0:ead5ee0a33fa | 315 | |
uLipe | 0:ead5ee0a33fa | 316 | glcd.cls(); |
uLipe | 0:ead5ee0a33fa | 317 | |
uLipe | 0:ead5ee0a33fa | 318 | /* starts the shell task and applications task*/ |
uLipe | 0:ead5ee0a33fa | 319 | shell_thread.attach_idle_hook(idle_hook); |
uLipe | 0:ead5ee0a33fa | 320 | shell_thread.start(shell_task); |
uLipe | 0:ead5ee0a33fa | 321 | app1_thread.start(app1_task); |
uLipe | 0:ead5ee0a33fa | 322 | app2_thread.start(app2_task); |
uLipe | 0:ead5ee0a33fa | 323 | app3_thread.start(app3_task); |
uLipe | 0:ead5ee0a33fa | 324 | return 0; |
uLipe | 0:ead5ee0a33fa | 325 | } |