From a8dab4c08af0e1d251ff633a2859c8b9b24efc7c Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Wed, 30 Jun 2004 13:31:14 +0000
Subject: New screen dump feature for recorders

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4817 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/serial.c | 51 ------------------------------------
 firmware/usb.c            | 67 +++++++++++++++++++++++++++++++----------------
 2 files changed, 45 insertions(+), 73 deletions(-)

(limited to 'firmware')

diff --git a/firmware/drivers/serial.c b/firmware/drivers/serial.c
index 2badf2e39f..11dadc6f19 100644
--- a/firmware/drivers/serial.c
+++ b/firmware/drivers/serial.c
@@ -35,12 +35,6 @@
 #define VOLUP 0xD0
 #define VOLDN 0xE0
 
-#ifdef SCREENDUMP
-#define SCRDMP 0xF0
-
-static void screen_dump(void);
-#endif
-
 void serial_setup (void) 
 {
     /* Set PB10 function to serial Rx */
@@ -118,11 +112,6 @@ int remote_control_rx(void)
                     last_valid_button = BUTTON_RC_RIGHT;
                     break;
                     
-#ifdef SCREENDUMP
-                case SCRDMP:
-                    screen_dump();
-                    break;
-#endif
                 default:
                     last_valid_button = BUTTON_NONE;
                     break;
@@ -144,43 +133,3 @@ int remote_control_rx(void)
 
     return ret;
 }
-
-#ifdef SCREENDUMP
-static void serial_enable_tx(void)
-{
-    SCR1 |= 0x20;
-}
-
-static void serial_tx(unsigned char ch)
-{
-    while (!(SSR1 & SCI_TDRE))
-    {
-        ;
-    }
-    
-    /*
-     * Write data into TDR and clear TDRE
-     */
-    TDR1 = ch;
-    SSR1 &= ~SCI_TDRE;
-}
-
-static void screen_dump(void)
-{
-    int x, y;
-    int level;
-
-    serial_enable_tx();
-
-    level = set_irq_level(HIGHEST_IRQ_LEVEL);
-    for(y = 0;y < LCD_HEIGHT/8;y++)
-    {
-        for(x = 0;x < LCD_WIDTH;x++)
-        {
-            serial_tx(lcd_framebuffer[y][x]);
-        }
-    }
-    set_irq_level(level);
-}
-
-#endif
diff --git a/firmware/usb.c b/firmware/usb.c
index 280ff22f02..5350a8575e 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -35,6 +35,11 @@
 
 extern void dbg_ports(void); /* NASTY! defined in apps/ */
 
+#ifdef HAVE_LCD_BITMAP
+bool do_screendump_instead_of_usb = false;
+void screen_dump(void);   /* Nasty again. Defined in apps/ too */
+#endif
+
 #define USB_REALLY_BRAVE
 
 #if !defined(SIMULATOR) && !defined(USB_NONE)
@@ -149,13 +154,24 @@ static void usb_thread(void)
         switch(ev.id)
         {
             case USB_INSERTED:
-                /* Tell all threads that they have to back off the ATA.
-                   We subtract one for our own thread. */
-                num_acks_to_expect =
-                    queue_broadcast(SYS_USB_CONNECTED, NULL) - 1;
-                waiting_for_ack = true;
-                DEBUGF("USB inserted. Waiting for ack from %d threads...\n",
-                       num_acks_to_expect);
+#ifdef HAVE_LCD_BITMAP
+                if(do_screendump_instead_of_usb)
+                {
+                    screen_dump();
+                }
+                else
+                {
+#endif
+                    /* Tell all threads that they have to back off the ATA.
+                       We subtract one for our own thread. */
+                    num_acks_to_expect =
+                        queue_broadcast(SYS_USB_CONNECTED, NULL) - 1;
+                    waiting_for_ack = true;
+                    DEBUGF("USB inserted. Waiting for ack from %d threads...\n",
+                           num_acks_to_expect);
+#ifdef HAVE_LCD_BITMAP
+                }
+#endif
                 break;
        
             case SYS_USB_CONNECTED_ACK:
@@ -181,24 +197,31 @@ static void usb_thread(void)
                 break;
 
             case USB_EXTRACTED:
-                if(usb_state == USB_INSERTED)
+#ifdef HAVE_LCD_BITMAP
+                if(!do_screendump_instead_of_usb)
                 {
-                    /* Only disable the USB mode if we really have enabled it
-                       some threads might not have acknowledged the
-                       insertion */
-                    usb_slave_mode(false);
-                }
+#endif
+                    if(usb_state == USB_INSERTED)
+                    {
+                        /* Only disable the USB mode if we really have enabled it
+                           some threads might not have acknowledged the
+                           insertion */
+                        usb_slave_mode(false);
+                    }
 
-                usb_state = USB_EXTRACTED;
-                
-                /* Tell all threads that we are back in business */
-                num_acks_to_expect =
-                    queue_broadcast(SYS_USB_DISCONNECTED, NULL) - 1;
-                waiting_for_ack = true;
-                DEBUGF("USB extracted. Waiting for ack from %d threads...\n",
-                       num_acks_to_expect);
+                    usb_state = USB_EXTRACTED;
+                    
+                    /* Tell all threads that we are back in business */
+                    num_acks_to_expect =
+                        queue_broadcast(SYS_USB_DISCONNECTED, NULL) - 1;
+                    waiting_for_ack = true;
+                    DEBUGF("USB extracted. Waiting for ack from %d threads...\n",
+                           num_acks_to_expect);
 #ifdef HAVE_LCD_CHARCELLS
-                lcd_icon(ICON_USB, false);
+                    lcd_icon(ICON_USB, false);
+#endif
+#ifdef HAVE_LCD_BITMAP
+                }
 #endif
                 break;
         
-- 
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