X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=ao_usb.c;h=1868ec3cea8355fd1de3e4e09f3e0cb987e86d6a;hb=2e737ad00cad5d893b252d8aa9dbff3d9b800731;hp=a7462ed55009eb6545fcdbfc3ebebfba528c37bf;hpb=022f83ca6fd589005d8eb3e25e633950fef69fa7;p=fw%2Faltos

diff --git a/ao_usb.c b/ao_usb.c
index a7462ed5..1868ec3c 100644
--- a/ao_usb.c
+++ b/ao_usb.c
@@ -102,7 +102,7 @@ ao_usb_ep0_flush(void)
 	USBCS0 = cs0;
 }
 
-#define LE_WORD(x)    ((x)&0xFF),((x)>>8)
+#define LE_WORD(x)    ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8))
 
 /* CDC definitions */
 #define CS_INTERFACE      0x24
@@ -369,6 +369,7 @@ ao_usb_ep0_setup(void)
 			}
 			break;
 		case AO_USB_RECIP_INTERFACE:
+			#pragma disable_warning 110
 			switch(ao_usb_setup.request) {
 			case AO_USB_REQ_GET_STATUS:
 				ao_usb_ep0_queue_byte(0);
@@ -513,7 +514,7 @@ ao_usb_getchar(void) __critical
 }
 
 void
-ao_usb_init(void)
+ao_usb_enable(void)
 {
 	/* Turn on the USB controller */
 	SLEEP |= SLEEP_USB_EN;
@@ -536,6 +537,30 @@ ao_usb_init(void)
 	USBCIF = 0;
 	USBOIF = 0;
 	USBIIF = 0;
+}
+
+void
+ao_usb_disable(void)
+{
+	/* Disable USB interrupts */
+	USBIIE = 0;
+	USBOIE = 0;
+	USBCIE = 0;
+	IEN2 &= ~IEN2_USBIE;
 	
-	ao_add_task(&ao_usb_task, ao_usb_ep0);
+	/* Clear any pending interrupts */
+	USBCIF = 0;
+	USBOIF = 0;
+	USBIIF = 0;
+
+	/* Turn off the USB controller */
+	SLEEP &= ~SLEEP_USB_EN;
+}
+
+void
+ao_usb_init(void)
+{
+	ao_usb_enable();
+
+	ao_add_task(&ao_usb_task, ao_usb_ep0, "usb");
 }