From 15f6f34fe239b0b71cb2ef4fd16f278a23b52506 Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Tue, 1 Dec 2015 02:22:22 +0000
Subject: fish

---
 app/project.h    |  3 ++-
 app/prototypes.h | 19 +++++++++++++++++++
 app/state.c      | 27 +++++++++++++++++++++++----
 app/ticker.c     |  2 +-
 app/usb.c        | 13 +------------
 5 files changed, 46 insertions(+), 18 deletions(-)

diff --git a/app/project.h b/app/project.h
index 3b34853..a8b773b 100644
--- a/app/project.h
+++ b/app/project.h
@@ -27,7 +27,8 @@
 #include "i2c.h"
 #endif
 
-#define RETENTION_TIME 10000
+#define POWER_RETENTION_TIME 10
+#define USB_RETENTION_TIME 60
 
 #ifndef USB_REQ_TYPE_OUT
 #define USB_REQ_TYPE_OUT 0x0
diff --git a/app/prototypes.h b/app/prototypes.h
index 72401f1..34d7863 100644
--- a/app/prototypes.h
+++ b/app/prototypes.h
@@ -28,7 +28,26 @@ extern void delay_ms(uint32_t d);
 extern int timed_out(uint32_t then, unsigned int ms);
 extern void ticker_init(void);
 /* i2c.c */
+extern int i2c_bb(int scl, int sda);
+extern void i2c_bb_start(void);
+extern void i2c_bb_stop(void);
+extern int i2c_bb_send_data(uint8_t v);
+extern int i2c_bb_start_transaction(uint8_t a, int wnr);
+extern void i2c_bb_init(void);
 /* lcd.c */
+extern uint8_t fb[2][16];
+extern uint8_t shadow[2][16];
+extern void lcd_refresh(void);
+extern void lcd_tick(void);
+extern void lcd_write_char(uint8_t c, int x, int y);
+extern void lcd_erase(int x, int y, int w);
+extern void lcd_erase_line(int w, int y);
+extern void lcd_erase_all(void);
+extern void lcd_write(char *c, int x, int y);
+extern void lcd_backlight(int i);
+extern void lcd_reset(void);
+extern void lcd_init(void);
+extern void lcd_shutdown(void);
 /* adc.c */
 extern int host_has_power;
 extern void adc_tick(void);
diff --git a/app/state.c b/app/state.c
index 8ba1b3d..0c23260 100644
--- a/app/state.c
+++ b/app/state.c
@@ -1,6 +1,6 @@
 #include "project.h"
 
-uint32_t up_time, down_time;
+uint32_t up_time, down_time,usb_up_time,usb_down_time;
 int locked;
 
 
@@ -28,7 +28,7 @@ state_show (void)
   snprintf (buf, sizeof (buf), "%4s%3d %02d:%02d:%02d",
             up_time ? "up" : "down", d, h, m, s);
 
-  lcd_write (buf, 0, 0);
+  //lcd_write (buf, 0, 0);
 
   lcd_write (have_key ? " Key  " : "No Key", 0, 1);
 
@@ -42,7 +42,7 @@ void
 state_tick (void)
 {
 
-  if (host_has_power && usb_running)
+  if (host_has_power)
     {
       down_time = 0;
       up_time++;
@@ -54,11 +54,30 @@ state_tick (void)
       locked = 0;
     }
 
-  if ((down_time > RETENTION_TIME) && have_key)
+  if ((down_time > POWER_RETENTION_TIME) && have_key)
     {
       key_wipe ();
     }
 
+
+  if (usb_running)
+    {
+      usb_down_time = 0;
+      usb_up_time++;
+    }
+  else
+    {
+      usb_down_time++;
+      usb_up_time = 0;
+      locked = 0;
+    }
+
+  if ((usb_down_time > USB_RETENTION_TIME) && have_key)
+    {
+      key_wipe ();
+    }
+
+
   state_show ();
 }
 
diff --git a/app/ticker.c b/app/ticker.c
index cdab461..3e25c12 100644
--- a/app/ticker.c
+++ b/app/ticker.c
@@ -41,7 +41,7 @@ sys_tick_handler (void)
 
   usb_tick();
 
-#if 0
+#if 1
   s_count++;
   if (s_count >= 1000)
     {
diff --git a/app/usb.c b/app/usb.c
index d464ea4..3f5404a 100644
--- a/app/usb.c
+++ b/app/usb.c
@@ -66,19 +66,8 @@ static int time_since_sof;
 
 void usb_tick(void)
 {
-#ifndef SLIM
-char buf[16];
-#endif
-
 time_since_sof++;
-
-if (time_since_sof>100) usb_running=0;
-
-#ifndef SLIM
-sprintf(buf,"%d",time_since_sof);
-lcd_write(buf,0,0);
-#endif
-
+if (time_since_sof>3000) usb_running=0;
 }
 
 static void usb_sof(void)
-- 
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