X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/ef06bfd1c0ef5272c32808e23d0fd60d2d1bca9c..8f6b4ddf764c3a54e42d00a7502c82c5c3e71b1c:/Demos/Host/KeyboardHost/KeyboardHost.c?ds=inline diff --git a/Demos/Host/KeyboardHost/KeyboardHost.c b/Demos/Host/KeyboardHost/KeyboardHost.c index 947f23281..35055ca79 100644 --- a/Demos/Host/KeyboardHost/KeyboardHost.c +++ b/Demos/Host/KeyboardHost/KeyboardHost.c @@ -36,12 +36,6 @@ #include "KeyboardHost.h" -/* Project Tags, for reading out using the ButtLoad project */ -BUTTLOADTAG(ProjName, "LUFA KBD Host App"); -BUTTLOADTAG(BuildTime, __TIME__); -BUTTLOADTAG(BuildDate, __DATE__); -BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING); - /* Scheduler Task List */ TASK_LIST { @@ -191,52 +185,57 @@ void ReadNextReport(void) Pipe_Unfreeze(); #endif - /* Ensure pipe contains data and is ready to be read before continuing */ - if (!(Pipe_ReadWriteAllowed())) + /* Check to see if a packet has been received */ + if (!(Pipe_IsINReceived())) { #if !defined(INTERRUPT_DATA_PIPE) - /* Refreeze keyboard data pipe */ + /* Refreeze HID data IN pipe */ Pipe_Freeze(); #endif - + return; } - /* Read in keyboard report data */ - Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport)); - - /* Clear the IN endpoint, ready for next data packet */ - Pipe_ClearCurrentBank(); - - /* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */ - LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0); - - /* Check if a key has been pressed */ - if (KeyboardReport.KeyCode) + /* Ensure pipe contains data before trying to read from it */ + if (Pipe_IsReadWriteAllowed()) { - /* Toggle status LED to indicate keypress */ - if (LEDs_GetLEDs() & LEDS_LED2) - LEDs_TurnOffLEDs(LEDS_LED2); - else - LEDs_TurnOnLEDs(LEDS_LED2); - - char PressedKey = 0; - - /* Retrieve pressed key character if alphanumeric */ - if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D)) - PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A'; - else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27)) - PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0'; - else if (KeyboardReport.KeyCode == 0x2C) - PressedKey = ' '; - else if (KeyboardReport.KeyCode == 0x28) - PressedKey = '\n'; - - /* Print the pressed key character out through the serial port if valid */ - if (PressedKey) - putchar(PressedKey); + /* Read in keyboard report data */ + Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport)); + + /* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */ + LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0); + + /* Check if a key has been pressed */ + if (KeyboardReport.KeyCode) + { + /* Toggle status LED to indicate keypress */ + if (LEDs_GetLEDs() & LEDS_LED2) + LEDs_TurnOffLEDs(LEDS_LED2); + else + LEDs_TurnOnLEDs(LEDS_LED2); + + char PressedKey = 0; + + /* Retrieve pressed key character if alphanumeric */ + if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D)) + PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A'; + else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27)) + PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0'; + else if (KeyboardReport.KeyCode == 0x2C) + PressedKey = ' '; + else if (KeyboardReport.KeyCode == 0x28) + PressedKey = '\n'; + + /* Print the pressed key character out through the serial port if valid */ + if (PressedKey) + putchar(PressedKey); + } } + + /* Clear the IN endpoint, ready for next data packet */ + Pipe_ClearIN(); + #if !defined(INTERRUPT_DATA_PIPE) /* Refreeze keyboard data pipe */ Pipe_Freeze();