From 61861c548eabf6863af57a9aa20103fcd3a9aced Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Mon, 4 Jul 2011 09:18:50 +0000
Subject: [PATCH] Added new HID_Host_SetIdlePeriod() function to the HID Host
 Class driver.

---
 LUFA/Drivers/USB/Class/Host/HID.c | 16 ++++++++++++++++
 LUFA/Drivers/USB/Class/Host/HID.h | 10 ++++++++++
 LUFA/ManPages/ChangeLog.txt       |  1 +
 3 files changed, 27 insertions(+)

diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c
index aab35b1097..683458de51 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.c
+++ b/LUFA/Drivers/USB/Class/Host/HID.c
@@ -357,6 +357,22 @@ uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInf
 	return HOST_SENDCONTROL_Successful;
 }
 
+uint8_t HID_Host_SetIdlePeriod(const uint16_t MS)
+{
+	USB_ControlRequest = (USB_Request_Header_t)
+		{
+			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),
+			.bRequest      = HID_REQ_SetIdle,
+			.wValue        = ((MS << 6) & 0xFF00),
+			.wIndex        = HIDInterfaceInfo->State.InterfaceNumber,
+			.wLength       = 0,
+		};
+
+	Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+	return USB_Host_SendControlRequest(HIDReportData);
+}
+
 #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
 uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
 {
diff --git a/LUFA/Drivers/USB/Class/Host/HID.h b/LUFA/Drivers/USB/Class/Host/HID.h
index 878a0990b3..1c6c7d2323 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.h
+++ b/LUFA/Drivers/USB/Class/Host/HID.h
@@ -251,6 +251,16 @@
 			 */
 			uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
+			/** Sets the idle period for the attached HID device to the specified interval. The HID idle period determines the rate
+			 *  at which the device should send a report, when no state changes have ocurred; i.e. on HID keyboards, this sets the
+			 *  hardware key repeat interval.
+			 *
+			 *  \param[in] MS  Idle period as a multiple of four milliseconds, zero to disable hardware repeats
+			 *
+			 *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
+			 */
+			uint8_t HID_Host_SetIdlePeriod(const uint16_t MS);
+
 			#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
 			/** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves
 			 *  and parses the device's HID report descriptor, so that the size of each report can be determined in advance.
diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index 619c67716b..9b473114f4 100644
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -22,6 +22,7 @@
   *   - Added new SPI_GetCurrentMode() function to the SPI peripheral driver
   *   - Added board hardware driver support for the EVK1100 board
   *   - Added board hardware driver support for the EVK1104 board
+  *   - Added new HID_Host_SetIdlePeriod() function to the HID Host Class driver
   *  - Library Applications:
   *   - Added RNDIS device mode to the Webserver project
   *   - Added new incomplete AndroidAccessoryHost Host LowLevel demo