Less power consumption on suspend.

ChangeLog

@@ -8,7 +8,8 @@
 	* src/main.c (main): Call chopstx_conf_idle.
 
 	* src/usb-ccid.c (usb_event_handle): Use 2 for call of
-	chopstx_conf_idle on suspend.
+	chopstx_conf_idle on suspend.  Call random_fini on suspend
+	to stop ADC module.  Call random_init on wakeup.
 
 2017-11-16  NIIBE Yutaka  <gniibe@fsij.org>
 

src/main.c

@@ -41,6 +41,7 @@
 #define main emulated_main
 #else
 #include "mcu/cortex-m.h"
+#include "mcu/stm32.h"
 #include "mcu/stm32f103.h"
 #endif
 

src/mcu-stm32f103.c

@@ -23,6 +23,7 @@
  */
 
 #include <stdint.h>
+#include "mcu/stm32.h"
 #include "mcu/stm32f103.h"
 
 uint8_t *

src/usb-ccid.c

@@ -1558,6 +1558,10 @@ extern int usb_get_status_interface (struct usb_dev *dev);
 
 extern int usb_get_descriptor (struct usb_dev *dev);
 
+extern void random_init (void);
+extern void random_fini (void);
+
+
 /*
  * Return 0 for normal USB event
  *       -1 for USB reset
@@ -1649,12 +1653,14 @@ usb_event_handle (struct usb_dev *dev)
 
     case USB_EVENT_DEVICE_SUSPEND:
       led_blink (LED_OFF);
+      random_fini ();
       chopstx_conf_idle (2);
       bDeviceState |= USB_DEVICE_STATE_SUSPEND;
       break;
 
     case USB_EVENT_DEVICE_WAKEUP:
       chopstx_conf_idle (1);
+      random_init ();
       bDeviceState &= ~USB_DEVICE_STATE_SUSPEND;
       break;