restructuring

F1:F103/ws2815/proto.c

@@ -0,0 +1,71 @@
+/*
+ * This file is part of the ws2815 project.
+ * Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "proto.h"
+#include "usb.h"
+#include "ws2815.h"
+
+#define USND(str)  do{USB_send((uint8_t*)str, sizeof(str)-1);}while(0)
+
+uint8_t S = 100, V = 50; // saturation and value
+uint8_t pause = 0, rstcounter = 0;
+
+const char *parse_cmd(const char *buf){
+    if(buf[1] != '\n') return buf;
+    switch(*buf){
+        case 'c':
+            rstcounter = 1;
+        break;
+        case 'p':
+            pause = !pause;
+        break;
+        case 'R':
+            USND("Soft reset\n");
+            NVIC_SystemReset();
+        break;
+        case 's':
+            if(S > 9) S -= 10;
+            else S = 0;
+        break;
+        case 'S':
+            if(S < 91) S += 10;
+            else S = 100;
+        break;
+        case 'v':
+            if(V > 9) V -= 10;
+        break;
+        case 'V':
+            if(V < 91) V += 10;
+        break;
+        case 'W':
+            USND("Wait for reboot\n");
+            while(1){nop();};
+        break;
+        default: // help
+            return
+            "'c' - reset counter\n"
+            "'p' - toggle pause\n"
+            "'R' - software reset\n"
+            "'s/S' - decrement/increment Saturation\n"
+            "'v/V' - decrement/increment Value\n"
+            "'W' - test watchdog\n"
+            ;
+        break;
+    }
+    return NULL;
+}