From 8625d1b3ef76c138aae2c7541b354292a37564f9 Mon Sep 17 00:00:00 2001
From: Stefan `Sec` Zehl <sec@42.org>
Date: Sat, 30 Jul 2011 19:06:12 +0200
Subject: [PATCH] Mesh++ Now we can display messages.

---
 firmware/applications/mesh/mesh.c | 184 ++++++++++++++++++++++++++++--
 firmware/funk/mesh.h              |   1 +
 2 files changed, 178 insertions(+), 7 deletions(-)

diff --git a/firmware/applications/mesh/mesh.c b/firmware/applications/mesh/mesh.c
index e142c50..c1f2f1c 100644
--- a/firmware/applications/mesh/mesh.c
+++ b/firmware/applications/mesh/mesh.c
@@ -84,22 +84,192 @@ inline void blink(char a, char b){
 };
 
 
+int choose(char * texts, int8_t menuselection){
+    uint8_t numentries = 0;
+    uint8_t visible_lines = 0;
+    uint8_t current_offset = 0;
+
+    char*p=texts;
+
+    do{
+        lcdPrintln(p);
+        while(*p)p++;
+        numentries++;p++;
+    }while(*p);
+    numentries--;
+
+    visible_lines = (RESY/font->u8Height)-1; // subtract title line
+
+    while (1) {
+        // Display current menu page
+        lcdClear();
+        lcdPrintln(texts);
+        p=texts;
+        while(*p++);
+        for(int i=0;i<current_offset;i++)
+            while(*p++);
+        for (uint8_t i = current_offset; i < (visible_lines + current_offset) && i < numentries; i++) {
+            if (i == menuselection)
+                lcdPrint("*");
+            lcdSetCrsrX(14);
+            lcdPrintln(p);
+            while(*p++);
+        }
+        lcdRefresh();
+
+        switch (getInputWait()) {
+            case BTN_UP:
+                menuselection--;
+                if (menuselection < current_offset) {
+                    if (menuselection < 0) {
+                        menuselection = numentries-1;
+                        current_offset = ((numentries-1)/visible_lines) * visible_lines;
+                    } else {
+                        current_offset -= visible_lines;
+                    }
+                }
+                break;
+            case BTN_DOWN:
+                menuselection++;
+                if (menuselection > (current_offset + visible_lines-1) || menuselection >= numentries) {
+                    if (menuselection >= numentries) {
+                        menuselection = 0;
+                        current_offset = 0;
+                    } else {
+                        current_offset += visible_lines;
+                    }
+                }
+                break;
+            case BTN_LEFT:
+                return -1;
+            case BTN_RIGHT:
+            case BTN_ENTER:
+                return menuselection;
+        }
+        getInputWaitRelease();
+    }
+    /* NOTREACHED */
+}
+
+
 
 /***********************************************************************/
 
+char *meshmsgs(void){
+    static char msgtypes[MESHBUFSIZE+1];
+    memset(msgtypes,'_',MESHBUFSIZE);
+    msgtypes[MESHBUFSIZE]=0;
+    uint8_t lo=0;
+    uint8_t hi;
 
-void m_cleanup(void){
-    mesh_cleanup();
+    for(int o=0;o<MESHBUFSIZE;o++){
+        hi=0xff;
+        for(int i=0;i<MESHBUFSIZE;i++){
+            if(meshbuffer[i].flags&MF_USED){
+                if(MO_TYPE(meshbuffer[i].pkt)>lo)
+                    if(MO_TYPE(meshbuffer[i].pkt)<hi)
+                        hi=MO_TYPE(meshbuffer[i].pkt);
+            };
+        };
+        if(hi==0xff){
+            msgtypes[o]=0;
+            break;
+        };
+        msgtypes[o]=hi;
+        lo=hi;
+    };
+
+    return msgtypes;
 };
 
-void m_recv(void){
-    mesh_recvloop();
-}
 
-void m_send(void){
-    mesh_sendloop();
+
+extern MPKT meshbuffer[MESHBUFSIZE];
+void m_choose(){
+    char list[99];
+    int i=0;
+
+    while(1){
+    char *p=list;
+    strcpy(p,"Note");
+    while(*p++);
+
+    char *mm=meshmsgs();
+    char *tmm=mm;
+    while(*mm){
+        switch(*mm){
+            case('A'):
+                strcpy(p,"Message");
+                break;
+            case('E'):
+                strcpy(p,"Kourou");
+                break;
+            case('F'):
+                strcpy(p,"Baikonur");
+                break;
+            case('T'):
+                strcpy(p,"Time");
+                break;
+            default:
+                p[0]=*mm;
+                p[1]=0;
+        };
+        while(*p++);
+        mm++;
+    };
+    p[0]=0;
+
+    i=choose(list,i);
+    if(i<0)
+        return;
+    lcdClear();
+
+    int j=0;
+    for(int z=0;z<MESHBUFSIZE;z++)
+        if(meshbuffer[z].flags&MF_USED)
+            if(MO_TYPE(meshbuffer[z].pkt)==tmm[i])
+                j=z;
+
+    switch(tmm[i]){
+        case('A'):
+            lcdPrintln("Message");
+            break;
+        case('E'):
+            lcdPrintln("Kourou");
+            break;
+        case('F'):
+            lcdPrintln("Baikonur");
+            break;
+        case('T'):
+            lcdPrintln("Time");
+            break;
+    };
+    struct tm *tm= mygmtime(MO_TIME(meshbuffer[j].pkt));
+    lcdPrintInt(tm->tm_hour);
+    lcdPrint(":");
+    lcdPrintInt(tm->tm_min);
+    lcdPrint(":");
+    lcdPrintInt(tm->tm_sec);
+    lcdNl();
+    char *foo=(char *)MO_BODY(meshbuffer[j].pkt);
+    while(strlen(foo)>13){
+        int q;
+        for(q=0;q<13;q++){
+            if(foo[q]==' ')
+                break;
+        };
+        foo[q]=0;
+        lcdPrintln(foo);
+        foo[q]=' ';
+        foo+=q+1;
+    };
+    lcdPrintln(foo);
+    lcdRefresh();
+    getInputWaitRelease();
+    };
 };
 
+
 void tick_mesh(void){
     mesh_systick();
 };
diff --git a/firmware/funk/mesh.h b/firmware/funk/mesh.h
index b9555a2..7bbe2cf 100644
--- a/firmware/funk/mesh.h
+++ b/firmware/funk/mesh.h
@@ -17,6 +17,7 @@
 #define MO_GEN_set(x,y)  (x[1]=y)
 #define MO_TIME(x)       (uint8ptouint32(x+2))
 #define MO_TIME_set(x,y) (uint32touint8p(y,x+2))
+#define MO_BODY(x)       (x+6)
 
 typedef struct {
     uint8_t pkt[32];