Added Doxygen documentation to the Audio class driver. Added new modules for each...

[pub/USBasp.git] / Demos / Device / Keyboard / Keyboard.c

diff --git a/Demos/Device/Keyboard/Keyboard.c b/Demos/Device/Keyboard/Keyboard.c
index d8893bf..923dd71 100644 (file)
--- a/Demos/Device/Keyboard/Keyboard.c
+++ b/Demos/Device/Keyboard/Keyboard.c
@@ -28,9 +28,19 @@
   arising out of or in connection with the use or performance of\r
   this software.\r
 */\r
   arising out of or in connection with the use or performance of\r
   this software.\r
 */\r

- \r
+\r
+/** \file\r
+ *\r
+ *  Main source file for the Keyboard demo. This file contains the main tasks of\r
+ *  the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+\r

 #include "Keyboard.h"\r
 \r
 #include "Keyboard.h"\r
 \r

+/** LUFA HID Class driver interface configuration and state information. This structure is\r
+ *  passed to all HID Class driver functions, so that multiple instances of the same class\r
+ *  within a device can be differentiated from one another.\r
+ */\r

 USB_ClassInfo_HID_t Keyboard_HID_Interface =\r
     {\r
         .InterfaceNumber         = 0,\r
 USB_ClassInfo_HID_t Keyboard_HID_Interface =\r
     {\r
         .InterfaceNumber         = 0,\r


@@ -41,11 +51,14 @@ USB_ClassInfo_HID_t Keyboard_HID_Interface =
         .ReportOUTEndpointNumber = KEYBOARD_LEDS_EPNUM,\r
         .ReportOUTEndpointSize   = KEYBOARD_EPSIZE,\r
         \r
         .ReportOUTEndpointNumber = KEYBOARD_LEDS_EPNUM,\r
         .ReportOUTEndpointSize   = KEYBOARD_EPSIZE,\r
         \r

-               .ReportBufferSize        = sizeof(USB_KeyboardReport_Data_t),\r
+               .ReportINBufferSize      = sizeof(USB_KeyboardReport_Data_t),\r

 \r
         .IdleCount               = 500,\r
     };\r
 \r
 \r
         .IdleCount               = 500,\r
     };\r
 \r

+/** Main program entry point. This routine contains the overall program flow, including initial\r
+ *  setup of all components and the main program loop.\r
+ */\r

 int main(void)\r
 {\r
     SetupHardware();\r
 int main(void)\r
 {\r
     SetupHardware();\r


@@ -59,6 +72,7 @@ int main(void)
     }\r
 }\r
 \r
     }\r
 }\r
 \r

+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r

 void SetupHardware()\r
 {\r
     /* Disable watchdog if enabled by bootloader/fuses */\r
 void SetupHardware()\r
 {\r
     /* Disable watchdog if enabled by bootloader/fuses */\r


@@ -73,18 +87,27 @@ void SetupHardware()
     LEDs_Init();\r
     Buttons_Init();\r
     USB_Init();\r
     LEDs_Init();\r
     Buttons_Init();\r
     USB_Init();\r

+\r
+       /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */\r
+       OCR0A  = ((F_CPU / 64) / 1000);\r
+       TCCR0A = (1 << WGM01);\r
+       TCCR0B = ((1 << CS01) | (1 << CS00));\r
+       TIMSK0 = (1 << OCIE0A);\r

 }\r
 \r
 }\r
 \r

+/** Event handler for the library USB Connection event. */\r

 void EVENT_USB_Connect(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
 }\r
 \r
 void EVENT_USB_Connect(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
 }\r
 \r

+/** Event handler for the library USB Disconnection event. */\r

 void EVENT_USB_Disconnect(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \r
 void EVENT_USB_Disconnect(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \r

+/** Event handler for the library USB Configuration Changed event. */\r

 void EVENT_USB_ConfigurationChanged(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
 void EVENT_USB_ConfigurationChanged(void)\r
 {\r
     LEDs_SetAllLEDs(LEDMASK_USB_READY);\r


@@ -93,16 +116,26 @@ void EVENT_USB_ConfigurationChanged(void)
       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
 \r
       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
 \r

+/** Event handler for the library USB Unhandled Control Packet event. */\r

 void EVENT_USB_UnhandledControlPacket(void)\r
 {\r
     USB_HID_ProcessControlPacket(&Keyboard_HID_Interface);\r
 }\r
 \r
 void EVENT_USB_UnhandledControlPacket(void)\r
 {\r
     USB_HID_ProcessControlPacket(&Keyboard_HID_Interface);\r
 }\r
 \r

-void EVENT_USB_StartOfFrame(void)\r
+/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */\r
+ISR(TIMER0_COMPA_vect, ISR_BLOCK)\r

 {\r
 {\r

-    USB_HID_RegisterStartOfFrame(&Keyboard_HID_Interface);\r
+       if (Keyboard_HID_Interface.IdleMSRemaining)\r
+         Keyboard_HID_Interface.IdleMSRemaining--;\r

 }\r
 \r
 }\r
 \r

+/** HID class driver callback function for the creation of HID reports to the host.\r
+ *\r
+ *  \param HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
+ *  \param ReportData  Pointer to a buffer where the created report should be stored\r
+ *\r
+ *  \return Number of bytes written in the report (or zero if no report is to be sent\r
+ */\r

 uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)\r
 {\r
     USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;\r
 uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)\r
 {\r
     USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;\r


@@ -129,6 +162,12 @@ uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceI
     return sizeof(USB_KeyboardReport_Data_t);\r
 }\r
 \r
     return sizeof(USB_KeyboardReport_Data_t);\r
 }\r
 \r

+/** HID class driver callback function for the processing of HID reports from the host.\r
+ *\r
+ *  \param HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
+ *  \param ReportData  Pointer to a buffer where the created report has been stored\r
+ *  \param ReportSize  Size in bytes of the received HID report\r
+ */\r

 void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)\r
 {\r
     uint8_t  LEDMask   = LEDS_NO_LEDS;\r
 void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)\r
 {\r
     uint8_t  LEDMask   = LEDS_NO_LEDS;\r