1 files changed, 287 insertions, 0 deletions

diff --git a/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
new file mode 100644
index 0000000000..5cdc00ce6a
--- /dev/null
+++ b/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
@@ -0,0 +1,287 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: $
+ *
+ * Copyright (C) 2009 Karl Kurbjun
+ *
+ * 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "system.h"
+#include "file.h"
+#include "lcd-remote.h"
+#include "adc.h"
+#include "scroll_engine.h"
+#include "uart-target.h"
+
+static enum remote_control_states
+{
+    REMOTE_CONTROL_IDLE,
+    REMOTE_CONTROL_NOP,
+    REMOTE_CONTROL_POWER,
+    REMOTE_CONTROL_MASK,
+    REMOTE_CONTROL_DRAW1,
+    REMOTE_CONTROL_DRAW_PAUSE1,
+    REMOTE_CONTROL_DRAW2,
+    REMOTE_CONTROL_DRAW_PAUSE2,
+    REMOTE_CONTROL_SLEEP
+} remote_state_control = REMOTE_CONTROL_NOP;
+
+bool remote_initialized=true;
+
+unsigned char remote_contrast=DEFAULT_REMOTE_CONTRAST_SETTING;
+unsigned char remote_power=0x00;
+
+/*** hardware configuration ***/
+
+int lcd_remote_default_contrast(void)
+{
+    return DEFAULT_REMOTE_CONTRAST_SETTING;
+}
+
+void lcd_remote_sleep(void)
+{
+    remote_state_control=REMOTE_CONTROL_SLEEP;
+}
+
+void lcd_remote_powersave(bool on)
+{
+    if(on)
+    {
+        remote_power|=0xC0;
+        remote_state_control=REMOTE_CONTROL_POWER;
+    }
+    else
+    {
+        remote_power&=~(0xC0);
+        remote_state_control=REMOTE_CONTROL_POWER;
+    }
+}
+
+void lcd_remote_set_contrast(int val)
+{
+    remote_contrast=(char)val;
+    remote_state_control=REMOTE_CONTROL_POWER;
+}
+
+void lcd_remote_set_invert_display(bool yesno)
+{
+    (void)yesno;
+}
+
+/* turn the display upside down (call lcd_remote_update() afterwards) */
+void lcd_remote_set_flip(bool yesno)
+{
+    (void)yesno;
+}
+
+bool remote_detect(void)
+{
+    return true;
+}
+
+void lcd_remote_on(void)
+{
+    remote_power|=0x80;
+    remote_state_control=REMOTE_CONTROL_POWER;
+}
+
+void lcd_remote_off(void)
+{
+    remote_power&=~(0x80);
+    remote_state_control=REMOTE_CONTROL_POWER;
+}
+
+unsigned char lcd_remote_test[16]=
+    {0x80,0xFF,0x80,0x00,0xFF,0x89,0x89,0x00,0xC1,0x89,0x8F,0x80,0xFF,0x80,0,0};
+
+/* Monitor remote hotswap */
+static void remote_tick(void)
+{
+    unsigned char i;
+    unsigned char remote_payload[10], remote_payload_size;
+    unsigned char remote_check_xor, remote_check_sum;
+    
+    switch (remote_state_control)
+    {
+        case REMOTE_CONTROL_IDLE:
+            
+            remote_payload_size=0;
+            remote_state_control=REMOTE_CONTROL_IDLE;
+            break;
+        case REMOTE_CONTROL_NOP:
+            remote_payload[0]=0x11;
+            remote_payload[1]=0x30;
+            
+            remote_payload_size=2;
+            remote_state_control=REMOTE_CONTROL_NOP;
+            break;
+        case REMOTE_CONTROL_POWER:
+            remote_payload[0]=0x31;
+            remote_payload[1]=remote_power;
+            remote_payload[2]=remote_contrast;
+            
+            remote_payload_size=3;
+            remote_state_control=REMOTE_CONTROL_NOP;
+            break;
+        case REMOTE_CONTROL_MASK:
+            remote_payload[0]=0x41;
+            remote_payload[1]=0x94;
+            
+            remote_payload_size=2;
+            remote_state_control=REMOTE_CONTROL_NOP;
+            break;
+        case REMOTE_CONTROL_DRAW1:
+            remote_payload[0]=0x51;
+            remote_payload[1]=0x80;
+            remote_payload[2]=14;
+            remote_payload[3]=0;
+            remote_payload[4]=0;
+            remote_payload[5]=14;
+            remote_payload[6]=8;
+            
+            remote_payload_size=7;
+            remote_state_control=REMOTE_CONTROL_DRAW_PAUSE1;
+            break;
+        case REMOTE_CONTROL_DRAW_PAUSE1:
+            remote_payload[0]=0x11;
+            remote_payload[1]=0x30;
+            
+            remote_payload_size=2;
+            remote_state_control=REMOTE_CONTROL_DRAW2;
+            break;
+        case REMOTE_CONTROL_DRAW2:
+            remote_payload[0]=0x51;
+            remote_payload[1]=0x80;
+            remote_payload[2]=14;
+            remote_payload[3]=0;
+            remote_payload[4]=8;
+            remote_payload[5]=14;
+            remote_payload[6]=16; 
+            
+            remote_payload_size=7;
+            remote_state_control=REMOTE_CONTROL_DRAW_PAUSE2;
+            break;
+        case REMOTE_CONTROL_DRAW_PAUSE2:
+            remote_payload[0]=0x11;
+            remote_payload[1]=0x30;
+            
+            remote_payload_size=2;
+            remote_state_control=REMOTE_CONTROL_NOP;
+            break;
+        case REMOTE_CONTROL_SLEEP:
+            remote_payload[0]=0x71;
+            remote_payload[1]=0x30;
+
+            remote_payload_size=2;
+            remote_state_control=REMOTE_CONTROL_IDLE;
+            break;
+        default:
+            remote_payload_size=0;
+            break;
+    }
+    
+    if(remote_payload_size==0)
+    {
+        return;
+    }
+    
+    remote_check_xor=remote_payload[0];
+    remote_check_sum=remote_payload[0];
+    for(i=1; i<remote_payload_size; i++)
+    {
+        remote_check_xor^=remote_payload[i];
+        remote_check_sum+=remote_payload[i];
+    }
+    
+    if(remote_payload[0]==0x51)
+    {
+        unsigned char offset;
+        unsigned char x;
+        
+        if(remote_payload[4]==8)
+        {
+            offset=79;
+        }
+        else
+        {
+            offset=0;
+        }
+    
+        for (x = 0; x < 14; x++)
+        {
+            remote_check_xor^=lcd_remote_test[x];
+            remote_check_sum+=lcd_remote_test[x];
+        }
+
+        uart1_puts(remote_payload, remote_payload_size);
+        lcd_remote_test[14]=remote_check_xor;
+        lcd_remote_test[15]=remote_check_sum;
+        uart1_puts(lcd_remote_test, 16);
+    }
+    else
+    {
+        remote_payload[remote_payload_size]=remote_check_xor;
+        remote_payload[remote_payload_size+1]=remote_check_sum;
+    
+        uart1_puts(remote_payload, remote_payload_size+2);
+    }
+}
+
+void lcd_remote_init_device(void)
+{
+    lcd_remote_clear_display();
+    if (remote_detect())
+        lcd_remote_on();
+
+    /* put the remote control in the tick task */
+    tick_add_task(remote_tick);
+}
+
+/* Update the display.
+   This must be called after all other LCD functions that change the display. */
+void lcd_remote_update(void)
+{
+    if(remote_state_control!=REMOTE_CONTROL_DRAW1
+        && remote_state_control!=REMOTE_CONTROL_DRAW_PAUSE1
+        && remote_state_control!=REMOTE_CONTROL_DRAW2
+        && remote_state_control!=REMOTE_CONTROL_DRAW_PAUSE2)
+    {
+        remote_state_control=REMOTE_CONTROL_DRAW1;
+    }
+}
+
+/* Update a fraction of the display. */
+void lcd_remote_update_rect(int x, int y, int width, int height)
+{
+    (void)x;
+    (void)y;
+    (void)width;
+    (void)height;
+    lcd_remote_update();
+}
+
+void _remote_backlight_on(void)
+{
+    remote_power|=0x40;
+    remote_state_control=REMOTE_CONTROL_POWER;
+}
+
+void _remote_backlight_off(void)
+{
+    remote_power&=~(0x40);
+    remote_state_control=REMOTE_CONTROL_POWER;
+}