Diff: main.cpp

Revision:

0:de4e2fb3c765

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 02 10:20:06 2018 +0000
@@ -0,0 +1,141 @@
+#include "mbed.h"
+#include "cmd_line.h"
+#include <vector>
+#include <string>
+
+#define SHELL_BUFFER_LENGHT 64
+
+static int32_t shell_reset(uint8_t* argv);
+static int32_t shell_help(uint8_t* argv);
+
+cmd_line_t lgn_cmd_table[] = {
+
+    /*************************************************************************/
+    /* system command */
+    /*************************************************************************/
+    {(const int8_t*)"help",     shell_help,         (const int8_t*)"help info"},
+    {(const int8_t*)"reset",    shell_reset,        (const int8_t*)"reset terminal"},
+
+
+    /* End Of Table */
+    {(const int8_t*)0,(pf_cmd_func)0,(const int8_t*)0}
+};
+
+Serial console(D1, D0, 115200);
+
+vector<string> command_vector;
+
+struct shell_t {
+    uint8_t index;
+    uint8_t data[SHELL_BUFFER_LENGHT];
+};
+
+volatile struct shell_t shell;
+
+void console_rx_callback()
+{
+    volatile uint8_t c = console.getc();
+    if (shell.index < SHELL_BUFFER_LENGHT - 1) {
+
+        if (c == '\r' || c == '\n') { /* linefeed */
+
+            console.putc('\r');
+            console.putc('\n');
+
+            shell.data[shell.index] = c;
+            shell.data[shell.index + 1] = 0;
+
+            string str_cmd = (const char*)shell.data;
+
+            command_vector.push_back(str_cmd);
+
+            shell.index = 0;
+        } else {
+
+            console.putc(c);
+
+            if (c == 8 && shell.index) { /* backspace */
+                shell.index--;
+            } else {
+                shell.data[shell.index++] = c;
+            }
+        }
+    } else {
+        console.printf("\nerror: cmd too long, cmd size: %d, try again !\r\n", SHELL_BUFFER_LENGHT);
+        shell.index = 0;
+    }
+}
+
+static void task_shell();
+
+int main()
+{
+    console.printf("Started Application !\r\n");
+    console.attach(console_rx_callback, Serial::RxIrq);
+    while (1) {
+        task_shell();
+    }
+}
+
+void task_shell()
+{
+    if (!command_vector.empty()) {
+        string console_command = command_vector.back();
+        uint8_t* c_str = (uint8_t*)console_command.c_str();
+        uint8_t fist_char = c_str[0];
+
+        switch (cmd_line_parser(lgn_cmd_table, (uint8_t*)&shell.data[0])) {
+            case CMD_SUCCESS:
+                break;
+
+            case CMD_NOT_FOUND: {
+                if (fist_char != '\r' &&
+                        fist_char != '\n') {
+                    console.printf("cmd unknown\r\n");
+                }
+            }
+            break;
+
+            case CMD_TOO_LONG: {
+                console.printf("cmd too long\r\n");
+            }
+            break;
+
+            case CMD_TBL_NOT_FOUND: {
+                console.printf("cmd table not found\r\n");
+            }
+            break;
+
+            default: {
+                console.printf("cmd error\r\n");
+            }
+            break;
+        }
+
+        console.printf("#");
+
+        command_vector.pop_back();
+    }
+}
+
+int32_t shell_reset(uint8_t* argv)
+{
+    console.printf("shell_reset: %s\r\n", argv);
+    return 0;
+}
+
+
+int32_t shell_help(uint8_t* argv)
+{
+    uint32_t idx = 0;
+    switch (*(argv + 4)) {
+        default:
+            console.printf("\nCOMMANDS INFORMATION:\r\n\n");
+            while(lgn_cmd_table[idx].cmd != (const int8_t*)0) {
+                console.printf("%s\n\t%s\r\n\n", lgn_cmd_table[idx].cmd, lgn_cmd_table[idx].info);
+                idx++;
+            }
+            break;
+    }
+    return 0;
+}