Split into ARM7/ARM9 for Wifi use -- initial (non-working) Wifi initialisation. Keyboard and pointer seems more stable.

6 files changed, 230 insertions, 8 deletions

diff --git a/source/framebuffer.c b/source/framebuffer.c
index 4a4b03d..65bedc9 100644
--- a/source/framebuffer.c
+++ b/source/framebuffer.c
@@ -23,6 +23,8 @@
 #include <nds.h>
 #include <string.h>
 
+#include "ds81_global.h"
+
 /* ---------------------------------------- STATIC DATA
 */
 #define WIDTH	256
diff --git a/source/gui.c b/source/gui.c
index 713ad02..e505330 100644
--- a/source/gui.c
+++ b/source/gui.c
@@ -23,6 +23,8 @@
 #include <nds.h>
 #include <string.h>
 
+#include "ds81_global.h"
+
 #include "framebuffer.h"
 
 
diff --git a/source/keyboard.c b/source/keyboard.c
index bbc0c61..76f16e6 100644
--- a/source/keyboard.c
+++ b/source/keyboard.c
@@ -21,6 +21,9 @@
 */
 
 #include <nds.h>
+
+#include "ds81_global.h"
+
 #include "keyboard.h"
 #include "framebuffer.h"
 #include "keyb_bin.h"
@@ -143,8 +146,6 @@ static int GetEvent(SoftKeyEvent *ev, int map)
 	int f;
 	uint32 keys;
 
-    	scanKeys();
-
 	keys = keysHeld();
 
 	/* Clear the non-sticky keys
diff --git a/source/main.c b/source/main.c
index 162ca2d..0f996bb 100644
--- a/source/main.c
+++ b/source/main.c
@@ -25,6 +25,12 @@
 #include <string.h>
 #include <nds.h>
 #include <fat.h>
+#include <dswifi9.h>
+
+#include "ds81_ipc.h"
+
+#include "ds81_global.h"
+#include "ds81_fader.h"
 
 #include "framebuffer.h"
 #include "gui.h"
@@ -45,6 +51,7 @@ static const char *main_menu[]=
 	    "Sticky Shift On",
 	    "Sticky Shift Off",
 	    "Map Joypad to Keys",
+	    "Select Web Server (WFC)",
 	    "Cancel",
 	    NULL
 	};
@@ -55,14 +62,89 @@ typedef enum
     MenuSelectTape,
     MenuStickyOn,
     MenuStickyOff,
-    MenuMapJoypad
+    MenuMapJoypad,
+    MenuConfigNetwork
 } MenuOpt;
 
 
+/* Hope ints are atomic...  Having said that we are on the one processor so
+   I doubt it'll mess up.  Which are usually famous last words.
+*/
+static volatile int wifi_enabled = FALSE;
+
+static u32 main_heartbeat;
+
+
+/* ---------------------------------------- IRQ FUNCS
+*/
+
+static void Timer(void)
+{
+    {
+    static int c=0;
+    char s[32];
+    sprintf(s,"%d",(c++)/50);
+    FB_Print(s,0,184-10,FB_RGB(31,31,31),FB_RGB(10,10,10));
+    }
+
+    if (wifi_enabled)
+    {
+	Wifi_Timer(50);
+    }
+}
+
+static void ARM9_SyncToARM7(void)
+{
+    REG_IPC_FIFO_TX = DS81_WIFI_SYNC_IPC;
+}
+
+
+static void ARM9_Fifo(void)
+{
+    static int c=0;
+    u32 v;
+
+    v = REG_IPC_FIFO_RX;
+
+    {
+    char s[32];
+    sprintf(s,"%d:%x     ",c++,v);
+    FB_Print(s,0,184,FB_RGB(31,31,31),FB_RGB(10,10,10));
+    }
+
+    if (v == DS81_WIFI_SYNC_IPC)
+    {
+    	Wifi_Sync();
+    }
+}
+
+
 /* ---------------------------------------- DISPLAY FUNCS
 */
 static void VBlankFunc(void)
 {
+#if 0
+    char t[32];
+
+    if (IPC->rtc_hours < 12)
+    {
+	sprintf(t,"%2.2d:%2.2d:%2.2d",IPC->rtc_hours,
+				      IPC->rtc_minutes,
+				      IPC->rtc_seconds);
+    }
+    else
+    {
+	sprintf(t,"%2.2d:%2.2d:%2.2d",IPC->rtc_hours-40,
+				      IPC->rtc_minutes,
+				      IPC->rtc_seconds);
+    }
+
+    FB_Print(t,192,0,FB_RGB(31,31,31),FB_RGB(10,10,10));
+
+    sprintf(t,"H:%8.8x  M:%8.8x",IPC->heartbeat,main_heartbeat);
+    FB_Print(t,0,0,FB_RGB(31,31,31),FB_RGB(10,10,10));
+#endif
+
     scanKeys();
 }
 
@@ -218,6 +300,109 @@ static void MapJoypad(void)
 }
 
 
+/* ---------------------------------------- NETWORK CONFIGURATION
+*/
+static const char *AssocStatus(enum WIFI_ASSOCSTATUS s, int *exit_loop)
+{
+    switch(s)
+    {
+	case ASSOCSTATUS_DISCONNECTED:
+	    return "Not trying to connect...";
+
+	case ASSOCSTATUS_SEARCHING:
+	    return "Searching for AP...";
+
+	case ASSOCSTATUS_AUTHENTICATING:
+	    return "Connecting (authenticate)...";
+
+	case ASSOCSTATUS_ASSOCIATING:
+	    return "Connecting (associating)...";
+
+	case ASSOCSTATUS_ACQUIRINGDHCP:
+	    return "Requesting IP address...";
+
+	case ASSOCSTATUS_ASSOCIATED:
+	    *exit_loop = 1;
+	    return "Associated";
+
+	case ASSOCSTATUS_CANNOTCONNECT:
+	    *exit_loop = 1;
+	    return "Cannot connect";
+
+    	default:
+	    *exit_loop = 1;
+	    return "Unknown status";
+    }
+}
+
+static void ConfigNetwork(void)
+{
+    int col;
+    int coli;
+    u32 wifi_pass;
+    enum WIFI_ASSOCSTATUS assoc;
+    int exit_loop;
+
+    FB_Clear();
+
+    FB_Centre("Initialising WIFI...",0,FB_RGB(31,31,31),-1);
+
+    wifi_pass = Wifi_Init(WIFIINIT_OPTION_USELED);
+
+    REG_IPC_FIFO_TX = DS81_WIFI_INIT_IPC;
+    REG_IPC_FIFO_TX = wifi_pass;
+
+    Wifi_SetSyncHandler(ARM9_SyncToARM7);
+    wifi_enabled = TRUE;
+
+    FB_Centre("Waiting for WIFI...",10,FB_RGB(31,31,31),-1);
+
+    col = 31;
+    coli = -1;
+
+    while(Wifi_CheckInit() == 0)
+    {
+	FB_Centre("Waiting for WIFI...",10,FB_RGB(col,col,col),-1);
+	DS81_BOUNCE(col,coli);
+	swiWaitForVBlank();
+    }
+
+    FB_Centre("Waiting for WIFI...",10,FB_RGB(31,31,31),-1);
+
+    FB_Centre("Using WFC settings...",20,FB_RGB(31,31,31),-1);
+    Wifi_AutoConnect();
+
+    FB_Centre("Waiting for association...",30,FB_RGB(31,31,31),-1);
+    exit_loop = FALSE;
+
+    while(!exit_loop)
+    {
+	assoc = Wifi_AssocStatus();
+
+	FB_Centre(AssocStatus(assoc,&exit_loop),40,FB_RGB(col,col,col),-1);
+	DS81_BOUNCE(col,coli);
+	swiWaitForVBlank();
+    }
+
+    FB_Centre(AssocStatus(assoc,&exit_loop),40,FB_RGB(31,31,31),-1);
+
+    FB_Centre("Press a key...",60,FB_RGB(31,31,31),-1);
+
+    while(!keysDown())
+    {
+	swiWaitForVBlank();
+    }
+
+    while(keysHeld())
+    {
+	swiWaitForVBlank();
+    }
+
+    SK_DisplayKeyboard(BG_GFX_SUB);
+    swiWaitForVBlank();
+}
+
+
 /* ---------------------------------------- MAIN
 */
 int main(int argc, char *argv[])
@@ -255,12 +440,30 @@ int main(int argc, char *argv[])
     SUB_BG2_CX = 0;
     SUB_BG2_CY = 0;
 
+    /* Tell 'framebuffer' routines to use this
+    */
+    FB_Init(BG_GFX_SUB);
+
+    /* Set up interrupts and timers 
+    */
     irqInit();
     irqSet(IRQ_VBLANK,VBlankFunc);
+    irqEnable(IRQ_VBLANK);
 
-    keysSetRepeat(30,15);
+    REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_RECV_IRQ;
 
-    FB_Init(BG_GFX_SUB);
+    TIMER3_CR = 0;
+
+    irqSet(IRQ_TIMER3,Timer);
+    TIMER3_DATA = TIMER_FREQ_256(20);
+    TIMER3_CR = TIMER_ENABLE | TIMER_IRQ_REQ | TIMER_DIV_256;
+
+    irqSet(IRQ_FIFO_NOT_EMPTY,ARM9_Fifo);
+    irqEnable(IRQ_FIFO_NOT_EMPTY);
+
+    /* All required stuff initialised
+    */
+    keysSetRepeat(30,15);
 
     z80 = Z80Init(ZX81ReadMem,
 		  ZX81WriteMem,
@@ -285,6 +488,8 @@ int main(int argc, char *argv[])
     {
 	SoftKeyEvent ev;
 
+	main_heartbeat++;
+
     	Z80Exec(z80);
 
 	while(SK_GetEvent(&ev))
@@ -316,6 +521,10 @@ int main(int argc, char *argv[])
 			    case MenuMapJoypad:
 				MapJoypad();
 			    	break;
+
+			    case MenuConfigNetwork:
+			    	ConfigNetwork();
+				break;
 			}
 
 			SK_DisplayKeyboard(BG_GFX_SUB);
diff --git a/source/tapes.c b/source/tapes.c
index bc5ac8b..5c49346 100644
--- a/source/tapes.c
+++ b/source/tapes.c
@@ -22,6 +22,8 @@
 
 #include <nds.h>
 
+#include "ds81_global.h"
+
 #include "tapes.h"
 #include "framebuffer.h"
 #include "keyboard.h"
diff --git a/source/zx81.c b/source/zx81.c
index 533c382..41ff686 100644
--- a/source/zx81.c
+++ b/source/zx81.c
@@ -28,6 +28,8 @@
 #include <ctype.h>
 #include <nds.h>
 
+#include "ds81_global.h"
+
 #include "zx81.h"
 #include "gui.h"
 
@@ -446,10 +448,14 @@ static void ZX81HouseKeeping(Z80 *z80)
     if (lastk1 && (lastk1!=prev_lk1 || lastk2!=prev_lk2))
     {
     	mem[CDFLAG]|=1;
-
-	mem[LASTK1]=lastk1^0xff;
-	mem[LASTK2]=lastk2^0xff;
     }
+    else
+    {
+    	mem[CDFLAG]&=~1;
+    }
+
+    mem[LASTK1]=lastk1^0xff;
+    mem[LASTK2]=lastk2^0xff;
 
     prev_lk1=lastk1;
     prev_lk2=lastk2;