X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1076ac4d6e56bff7fb6d2126746af1108211370..d0db78432fc02bacbd57cc9f15eb05b4e56981cb:/Demos/Device/LowLevel/Keyboard/Keyboard.c diff --git a/Demos/Device/LowLevel/Keyboard/Keyboard.c b/Demos/Device/LowLevel/Keyboard/Keyboard.c index 185d968d7..9950484ba 100644 --- a/Demos/Device/LowLevel/Keyboard/Keyboard.c +++ b/Demos/Device/LowLevel/Keyboard/Keyboard.c @@ -225,8 +225,8 @@ void EVENT_USB_UnhandledControlPacket(void) { Endpoint_ClearSETUP(); - /* Get idle period in MSB */ - IdleCount = (USB_ControlRequest.wValue >> 8); + /* Get idle period in MSB, IdleCount must be multiplied by 4 to get number of milliseconds */ + IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6); /* Acknowledge status stage */ while (!(Endpoint_IsINReady())); @@ -239,8 +239,8 @@ void EVENT_USB_UnhandledControlPacket(void) { Endpoint_ClearSETUP(); - /* Write the current idle duration to the host */ - Endpoint_Write_Byte(IdleCount); + /* Write the current idle duration to the host, must be divided by 4 before sent to host */ + Endpoint_Write_Byte(IdleCount >> 2); /* Send the flag to the host */ Endpoint_ClearIN(); @@ -329,8 +329,8 @@ void SendNextReport(void) /* Check if the idle period is set and has elapsed */ if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining))) { - /* Reset the idle time remaining counter, must multiply by 4 to get the duration in milliseconds */ - IdleMSRemaining = (IdleCount << 2); + /* Reset the idle time remaining counter */ + IdleMSRemaining = IdleCount; /* Idle period is set and has elapsed, must send a report to the host */ SendReport = true; @@ -377,13 +377,13 @@ void ReceiveNextReport(void) /** Function to manage HID report generation and transmission to the host, when in report mode. */ void HID_Task(void) { - /* Check if the USB system is connected to a host */ - if (USB_IsConnected) - { - /* Send the next keypress report to the host */ - SendNextReport(); + /* Device must be connected and configured for the task to run */ + if (!(USB_IsConnected) || !(USB_ConfigurationNumber)) + return; + + /* Send the next keypress report to the host */ + SendNextReport(); - /* Process the LED report sent from the host */ - ReceiveNextReport(); - } + /* Process the LED report sent from the host */ + ReceiveNextReport(); }