Fixed broken USB_GetNextDescriptor() function causing the descriptor to jump ahead...

[pub/USBasp.git] / Demos / Host / LowLevel / GenericHIDHost / GenericHIDHost.c

diff --git a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c
index e731f90..b3c17a8 100644 (file)
--- a/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c
+++ b/Demos/Host/LowLevel/GenericHIDHost/GenericHIDHost.c
@@ -36,138 +36,89 @@
  \r
 #include "GenericHIDHost.h"\r
 \r
  \r
 #include "GenericHIDHost.h"\r
 \r

-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
-       { .Task = USB_USBTask          , .TaskStatus = TASK_STOP },\r
-       { .Task = USB_HID_Host         , .TaskStatus = TASK_STOP },\r
-};\r
-\r
-\r

 /** Main program entry point. This routine configures the hardware required by the application, then\r
 /** Main program entry point. This routine configures the hardware required by the application, then\r

- *  starts the scheduler to run the application tasks.\r
+ *  enters a loop to run the application tasks in sequence.\r

  */\r
 int main(void)\r
 {\r
  */\r
 int main(void)\r
 {\r

+       SetupHardware();\r
+\r
+       puts_P(PSTR(ESC_FG_CYAN "Generic HID Host Demo running.\r\n" ESC_FG_WHITE));\r
+\r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+       for (;;)\r
+       {\r
+               HID_Host_Task();\r
+               USB_USBTask();\r
+       }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r

        /* Disable watchdog if enabled by bootloader/fuses */\r
        MCUSR &= ~(1 << WDRF);\r
        wdt_disable();\r
 \r
        /* Disable clock division */\r
        clock_prescale_set(clock_div_1);\r
        /* Disable watchdog if enabled by bootloader/fuses */\r
        MCUSR &= ~(1 << WDRF);\r
        wdt_disable();\r
 \r
        /* Disable clock division */\r
        clock_prescale_set(clock_div_1);\r

-       \r
+\r

        /* Hardware Initialization */\r
        SerialStream_Init(9600, false);\r
        LEDs_Init();\r
        /* Hardware Initialization */\r
        SerialStream_Init(9600, false);\r
        LEDs_Init();\r

-       \r
-       /* Indicate USB not ready */\r
-       UpdateStatus(Status_USBNotReady);\r
-       \r
-       /* Initialize Scheduler so that it can be used */\r
-       Scheduler_Init();\r
-\r
-       /* Initialize USB Subsystem */\r

        USB_Init();\r
        USB_Init();\r

-\r
-       /* Start-up message */\r
-       puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
-              "Generic HID Host Demo running.\r\n" ESC_INVERSE_OFF));\r
-                  \r
-       /* Scheduling - routine never returns, so put this last in the main function */\r
-       Scheduler_Start();\r

 }\r
 \r
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
  *  starts the library USB task to begin the enumeration and USB management process.\r
  */\r
 }\r
 \r
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
  *  starts the library USB task to begin the enumeration and USB management process.\r
  */\r

-void EVENT_USB_DeviceAttached(void)\r
+void EVENT_USB_Host_DeviceAttached(void)\r

 {\r
 {\r

-       puts_P(PSTR("Device Attached.\r\n"));\r
-       UpdateStatus(Status_USBEnumerating);\r
-\r
-       /* Start USB management task to enumerate the device */\r
-       Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
+       puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r

 }\r
 \r
 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
  *  stops the library USB task management process.\r
  */\r
 }\r
 \r
 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
  *  stops the library USB task management process.\r
  */\r

-void EVENT_USB_DeviceUnattached(void)\r
+void EVENT_USB_Host_DeviceUnattached(void)\r

 {\r
 {\r

-       /* Stop HID and USB management task */\r
-       Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
-       Scheduler_SetTaskMode(USB_HID_Host, TASK_STOP);\r
-\r
-       puts_P(PSTR("Device Unattached.\r\n"));\r
-       UpdateStatus(Status_USBNotReady);\r
+       puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE));\r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r

 }\r
 \r
 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
  *  enumerated by the host and is now ready to be used by the application.\r
  */\r
 }\r
 \r
 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
  *  enumerated by the host and is now ready to be used by the application.\r
  */\r

-void EVENT_USB_DeviceEnumerationComplete(void)\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r

 {\r
 {\r

-       /* Start HID Host task */\r
-       Scheduler_SetTaskMode(USB_HID_Host, TASK_RUN);\r
-\r
-       /* Indicate device enumeration complete */\r
-       UpdateStatus(Status_USBReady);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);\r

 }\r
 \r
 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
 }\r
 \r
 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r

-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r

 {\r
        USB_ShutDown();\r
 \r
 {\r
        USB_ShutDown();\r
 \r

-       puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));\r
-       printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
+       printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+                                " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r

 \r
 \r

-       UpdateStatus(Status_HardwareError);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r

        for(;;);\r
 }\r
 \r
 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
  *  enumerating an attached USB device.\r
  */\r
        for(;;);\r
 }\r
 \r
 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
  *  enumerating an attached USB device.\r
  */\r

-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r

 {\r
 {\r

-       puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));\r
-       printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
-       printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
-       printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);\r
+       printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+                                " -- Error Code %d\r\n"\r
+                                " -- Sub Error Code %d\r\n"\r
+                                " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r

 \r
 \r

-       UpdateStatus(Status_EnumerationError);\r
-}\r
-\r
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to\r
- *  log to a serial port, or anything else that is suitable for status updates.\r
- *\r
- *  \param CurrentStatus  Current status of the system, from the GenericHIDHost_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\r
-{\r
-       uint8_t LEDMask = LEDS_NO_LEDS;\r
-       \r
-       /* Set the LED mask to the appropriate LED mask based on the given status code */\r
-       switch (CurrentStatus)\r
-       {\r
-               case Status_USBNotReady:\r
-                       LEDMask = (LEDS_LED1);\r
-                       break;\r
-               case Status_USBEnumerating:\r
-                       LEDMask = (LEDS_LED1 | LEDS_LED2);\r
-                       break;\r
-               case Status_USBReady:\r
-                       LEDMask = (LEDS_LED2);\r
-                       break;\r
-               case Status_EnumerationError:\r
-               case Status_HardwareError:\r
-                       LEDMask = (LEDS_LED1 | LEDS_LED3);\r
-                       break;\r
-       }\r
-       \r
-       /* Set the board LEDs to the new LED mask */\r
-       LEDs_SetAllLEDs(LEDMask);\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r

 }\r
 \r
 /** Reads in and processes the next report from the attached device, displaying the report\r
 }\r
 \r
 /** Reads in and processes the next report from the attached device, displaying the report\r


@@ -212,19 +163,19 @@ void ReadNextReport(void)
 \r
 /** Writes a report to the attached device.\r
  *\r
 \r
 /** Writes a report to the attached device.\r
  *\r

- *  \param ReportOUTData  Buffer containing the report to send to the device\r
- *  \param ReportIndex  Index of the report in the device (zero if the device does not use multiple reports)\r
- *  \param ReportType  Type of report to send, either HID_REPORTTYPE_OUTPUT or HID_REPORTTYPE_FEATURE\r
- *  \param ReportLength  Length of the report to send\r
+ *  \param[in] ReportOUTData  Buffer containing the report to send to the device\r
+ *  \param[in] ReportIndex  Index of the report in the device (zero if the device does not use multiple reports)\r
+ *  \param[in] ReportType  Type of report to send, either REPORT_TYPE_OUT or REPORT_TYPE_FEATURE\r
+ *  \param[in] ReportLength  Length of the report to send\r

  */\r
 void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength)\r
 {\r
  */\r
 void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength)\r
 {\r

-       /* Select and unfreeze HID data OUT pipe */\r
+       /* Select the HID data OUT pipe */\r

        Pipe_SelectPipe(HID_DATA_OUT_PIPE);\r
        \r
        /* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the\r
         * control endpoint instead) - check to see if the OUT endpoint has been initialized */\r
        Pipe_SelectPipe(HID_DATA_OUT_PIPE);\r
        \r
        /* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the\r
         * control endpoint instead) - check to see if the OUT endpoint has been initialized */\r

-       if (Pipe_IsConfigured())\r
+       if (Pipe_IsConfigured() && (ReportType == REPORT_TYPE_OUT))\r

        {\r
                Pipe_Unfreeze();\r
 \r
        {\r
                Pipe_Unfreeze();\r
 \r


@@ -273,7 +224,7 @@ void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t Report
 /** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
  *  HID reports from the device and to send reports if desired.\r
  */\r
 /** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
  *  HID reports from the device and to send reports if desired.\r
  */\r

-TASK(USB_HID_Host)\r
+void HID_Host_Task(void)\r

 {\r
        uint8_t ErrorCode;\r
 \r
 {\r
        uint8_t ErrorCode;\r
 \r


@@ -281,61 +232,45 @@ TASK(USB_HID_Host)
        switch (USB_HostState)\r
        {\r
                case HOST_STATE_Addressed:\r
        switch (USB_HostState)\r
        {\r
                case HOST_STATE_Addressed:\r

-                       /* Standard request to set the device configuration to configuration 1 */\r
-                       USB_ControlRequest = (USB_Request_Header_t)\r
-                               {\r
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
-                                       .bRequest      = REQ_SetConfiguration,\r
-                                       .wValue        = 1,\r
-                                       .wIndex        = 0,\r
-                                       .wLength       = 0,\r
-                               };\r
-\r
-                       /* Select the control pipe for the request transfer */\r
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
-                       /* Send the request, display error and wait for device detach if request fails */\r
-                       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
-                               /* Indicate error status */\r
-                               UpdateStatus(Status_EnumerationError);\r
-                               \r
-                               /* Wait until USB device disconnected */\r
-                               while (USB_IsConnected);\r
-                               break;\r
-                       }\r
-                       \r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r

                        puts_P(PSTR("Getting Config Data.\r\n"));\r
                \r
                        /* Get and process the configuration descriptor data */\r
                        if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
                        {\r
                                if (ErrorCode == ControlError)\r
                        puts_P(PSTR("Getting Config Data.\r\n"));\r
                \r
                        /* Get and process the configuration descriptor data */\r
                        if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
                        {\r
                                if (ErrorCode == ControlError)\r

-                                 puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
+                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));\r

                                else\r
                                else\r

-                                 puts_P(PSTR("Invalid Device.\r\n"));\r
+                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));\r

 \r
 \r

-                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
+                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r

                                \r
                                /* Indicate error status */\r
                                \r
                                /* Indicate error status */\r

-                               UpdateStatus(Status_EnumerationError);\r
+                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r

 \r
                                /* Wait until USB device disconnected */\r
 \r
                                /* Wait until USB device disconnected */\r

-                               while (USB_IsConnected);\r
+                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r

                                break;\r
                        }\r
                                break;\r
                        }\r

-               \r
+\r
+                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
+                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
+                       {\r
+                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"\r
+                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\r
+                               /* Indicate error status */\r
+                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+                               \r
+                               /* Wait until USB device disconnected */\r
+                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+                               break;\r
+                       }\r
+                       \r

                        puts_P(PSTR("HID Device Enumerated.\r\n"));\r
                        puts_P(PSTR("HID Device Enumerated.\r\n"));\r

-                                       \r
-                       USB_HostState = HOST_STATE_Ready;\r
+\r
+                       USB_HostState = HOST_STATE_Configured;\r

                        break;\r
                        break;\r

-               case HOST_STATE_Ready:\r
+               case HOST_STATE_Configured:\r

                        ReadNextReport();\r
 \r
                        break;\r
                        ReadNextReport();\r
 \r
                        break;\r