apps/rpp-test-suite/main.c

   1 /* Copyright (C) 2013, 2014, 2015 Czech Technical University in Prague
   2  *
   3  * Authors:
   4  *     - Carlos Jenkins <carlos@jenkins.co.cr>
   5  *
   6  * This document contains proprietary information belonging to Czech
   7  * Technical University in Prague. Passing on and copying of this
   8  * document, and communication of its contents is not permitted
   9  * without prior written authorization.
  10  *
  11  * File : main.c
  12  * Abstract:
  13  *     RPP test suite command processor.
  14  *
  15  * References:
  16  *     test.h
  17  */
  18
  19
  20 #include <ctype.h>  // isprint()
  21 #include <string.h> // strncmp()
  22
  23 #include "rpp/rpp.h"
  24 #include "test.h"
  25
  26
  27 /// Command processor task -----------------------------------------------------
  28 #define INPUT_IDLE 50
  29 #define BUF_SIZE   80
  30 static char in_buffer[BUF_SIZE];
  31 static const char *prompt  = "--> ";
  32 static const char *newline = "\r\n";
  33
  34
  35 /**
  36  * Compare user string and execute command.
  37  */
  38 void execute_cmd(char *string)
  39 {
  40 #ifndef TARGET_POSIX
  41         if (     strncmp(string, "adc", BUF_SIZE) == 0)
  42                 test_adc();
  43         else
  44 #endif /* TARGET_POSIX */
  45         if (     strncmp(string, "can", BUF_SIZE) == 0)
  46                 test_can();
  47 #ifdef TARGET_POSIX
  48         else if (strncmp(string, "eth", BUF_SIZE) == 0)
  49                 test_eth();
  50         else if (strncmp(string, "fr", BUF_SIZE) == 0)
  51                 test_fr();
  52         else if (strncmp(string, "lin", BUF_SIZE) == 0)
  53                 test_lin();
  54 #endif /* TARGET_POSIX */
  55         else if (strncmp(string, "sci", BUF_SIZE) == 0)
  56                 test_sci();
  57         else if (strncmp(string, "help", BUF_SIZE) == 0) {
  58                 rpp_sci_printf((const char *)"Available commands:\r\n");
  59                 rpp_sci_printf((const char *)"\thelp - Display this help.\r\n");
  60 #ifndef TARGET_POSIX
  61                 rpp_sci_printf((const char *)"\tain  - Test Analog Input.\r\n");
  62 #endif /* ! TARGET_POSIX */
  63                 rpp_sci_printf((const char *)"\tcan  - Test CAN communication.\r\n");
  64 #ifdef TARGET_POSIX
  65                 rpp_sci_printf((const char *)"\teth  - Test Ethernet communication.\r\n");
  66                 rpp_sci_printf((const char *)"\tfr   - Test FlexRay communication.\r\n");
  67                 rpp_sci_printf((const char *)"\tlin  - Test LIN communication.\r\n");
  68 #endif /* TARGET_POSIX */
  69                 rpp_sci_printf((const char *)"\tsci  - Test Serial Communication Interface.\r\n");
  70         }
  71         else
  72                 // Unknown command, print buffer back
  73                 rpp_sci_printf((const char *)
  74                                            "ERROR: Unknown command \"%s\"\r\n", string
  75                                            );
  76 }
  77
  78
  79 /**
  80  * Test suite command processor.
  81  */
  82 void test_cmdproc(void *par)
  83 {
  84         // Print header
  85         rpp_sci_printf((const char *)
  86                                    "RPP Library Test Suite.\r\n"
  87                                    );
  88         rpp_sci_printf((const char *)
  89                                    "===========================================================\r\n"
  90                                    );
  91         rpp_sci_printf((const char *)
  92                                    "[Type a module to test or 'help']\r\n"
  93                                    );
  94
  95         rpp_sci_printf((const char *)"%s", prompt);
  96
  97         uint8_t input = 0;
  98         uint8_t buff_index = 0;
  99         boolean_t flush = FALSE;
 100         while (TRUE) {
 101
 102                 // Get one character from the user
 103                 if (rpp_sci_read_nb(1, &input) != SUCCESS) {
 104                         vTaskDelay(INPUT_IDLE / portTICK_RATE_MS);
 105                         continue;
 106                 }
 107
 108                 // Backspace and Delete
 109                 if (input == 8 || input == 127) {
 110                         if (buff_index > 0) {
 111                                 buff_index--;
 112                                 echo('\b');
 113                                 echo(' ' );
 114                                 echo('\b');
 115                         }
 116                         continue;
 117                 }
 118                 else if (input == 10 || input == 13) {
 119                         // Line feed or Carriage return
 120                         flush = TRUE;
 121                         echo('\r');
 122                         echo('\n');
 123                 }
 124                 else if (isprint(input)) {
 125                         // If is any printable character
 126
 127                         // Store character and increment buffer index
 128                         in_buffer[buff_index] = input;
 129                         buff_index++;
 130                         echo(input);
 131
 132                         // Check if buffer is full and force flush
 133                         if (buff_index == BUF_SIZE - 1)
 134                                 flush = TRUE;
 135                 }
 136                 // All other character are ignored
 137
 138
 139                 // Flush buffer
 140                 if (flush) {
 141
 142                         // Terminate string
 143                         in_buffer[buff_index] = '\0';
 144
 145                         // Execute command
 146                         if (buff_index != 0)
 147                                 execute_cmd((char *)&in_buffer);
 148                         rpp_sci_printf((const char *)"%s", newline);
 149                         rpp_sci_printf((const char *)"%s", prompt);
 150
 151                         // Reset variables
 152                         rpp_sci_flush(TRUE);
 153                         buff_index = 0;
 154                         flush = FALSE;
 155                 }
 156         }
 157 }
 158
 159
 160
 161 /// Utilities ------------------------------------------------------------------
 162 /**
 163  * Wait for user input "q" to quit the loop.
 164  */
 165 void wait_for_quit()
 166 {
 167         while (rpp_sci_getc() < 0)
 168                 vTaskDelay(INPUT_IDLE / portTICK_RATE_MS);
 169 }
 170
 171
 172 /**
 173  * Infinite busy loop.
 174  *
 175  * This function is called after an error has being detected to "stop"
 176  * processing.
 177  */
 178 void busy_infinite_loop()
 179 {
 180         while (TRUE)
 181                 asm (" nop");
 182 }
 183
 184
 185
 186 /// Main functions -------------------------------------------------------------
 187 /**
 188  * Application main function
 189  *
 190  * This function is called after startup.
 191  */
 192 int main(void)
 193 {
 194         // Initialize library
 195         rpp_init();
 196
 197 #ifndef TARGET_POSIX
 198         // Speed up the SCI
 199         rpp_sci_setup(115200);
 200 #endif /* ! TARGET_POSIX */
 201         // Spawn tasks
 202         portBASE_TYPE task_created =
 203                 xTaskCreate(test_cmdproc,
 204                                         (const signed char *)"test_cmdproc",
 205                                         1024, NULL, TEST_TASK_PRIORITY, NULL
 206                                         );
 207
 208         if (task_created != pdPASS) {
 209                 rpp_sci_printf((const char *)
 210                                            "ERROR: Problem allocating memory for command processor to "
 211                                            "start. Error code: %d\r\n", (uint32_t)task_created
 212                                            );
 213                 busy_infinite_loop();
 214         }
 215
 216         // Start Scheduler
 217         vTaskStartScheduler();
 218
 219         // Catch memory problems
 220         rpp_sci_printf((const char *)
 221                                    "ERROR: Problem allocating memory for scheduler to start.\r\n"
 222                                    );
 223         busy_infinite_loop();
 224
 225         return 0;
 226 }
 227
 228
 229 /**
 230  * FreeRTOS malloc() failed hook.
 231  */
 232 void vApplicationMallocFailedHook(void)
 233 {
 234         rpp_sci_printf((const char *)
 235                                    "ERROR: Manual memory allocation failed.\r\n"
 236                                    );
 237 }
 238
 239
 240 /**
 241  * FreeRTOS stack overflow hook.
 242  */
 243 void vApplicationStackOverflowHook(xTaskHandle xTask,
 244                                                                    signed portCHAR *pcTaskName)
 245 {
 246         rpp_sci_printf((const char *)
 247                                    "ERROR: Stack overflow : \"%s\".\r\n", pcTaskName
 248                                    );
 249 }