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Merge pull request #921 from Wilba6582/raw_hid

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Initial version of Raw HID interface
This commit is contained in:
Jack Humbert
2016-12-05 00:13:37 -05:00
committed by GitHub
parent d15d1d3833 1eec2b7277
commit c87d039839
7 changed files with 224 additions and 12 deletions
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94
tmk_core/protocol/lufa/lufa.c
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@ -84,6 +84,10 @@
#include "sysex_tools.h"
#endif
#ifdef RAW_ENABLE
#include "raw_hid.h"
#endif
uint8_t keyboard_idle = 0;
/* 0: Boot Protocol, 1: Report Protocol(default) */
uint8_t keyboard_protocol = 1;
@ -179,6 +183,80 @@ USB_ClassInfo_CDC_Device_t cdc_device =
};
#endif
#ifdef RAW_ENABLE
void raw_hid_send( uint8_t *data, uint8_t length )
{
// TODO: implement variable size packet
if ( length != RAW_EPSIZE )
{
return;
}
if (USB_DeviceState != DEVICE_STATE_Configured)
{
return;
}
// TODO: decide if we allow calls to raw_hid_send() in the middle
// of other endpoint usage.
uint8_t ep = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(RAW_IN_EPNUM);
// Check to see if the host is ready to accept another packet
if (Endpoint_IsINReady())
{
// Write data
Endpoint_Write_Stream_LE(data, RAW_EPSIZE, NULL);
// Finalize the stream transfer to send the last packet
Endpoint_ClearIN();
}
Endpoint_SelectEndpoint(ep);
}
__attribute__ ((weak))
void raw_hid_receive( uint8_t *data, uint8_t length )
{
// Users should #include "raw_hid.h" in their own code
// and implement this function there. Leave this as weak linkage
// so users can opt to not handle data coming in.
}
static void raw_hid_task(void)
{
// Create a temporary buffer to hold the read in data from the host
uint8_t data[RAW_EPSIZE];
bool data_read = false;
// Device must be connected and configured for the task to run
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(RAW_OUT_EPNUM);
// Check to see if a packet has been sent from the host
if (Endpoint_IsOUTReceived())
{
// Check to see if the packet contains data
if (Endpoint_IsReadWriteAllowed())
{
/* Read data */
Endpoint_Read_Stream_LE(data, sizeof(data), NULL);
data_read = true;
}
// Finalize the stream transfer to receive the last packet
Endpoint_ClearOUT();
if ( data_read )
{
raw_hid_receive( data, sizeof(data) );
}
}
}
#endif
/*******************************************************************************
* Console
@ -298,6 +376,8 @@ void EVENT_USB_Device_WakeUp()
#endif
}
#ifdef CONSOLE_ENABLE
static bool console_flush = false;
#define CONSOLE_FLUSH_SET(b) do { \
@ -317,6 +397,7 @@ void EVENT_USB_Device_StartOfFrame(void)
Console_Task();
console_flush = false;
}
#endif
/** Event handler for the USB_ConfigurationChanged event.
@ -345,6 +426,14 @@ void EVENT_USB_Device_ConfigurationChanged(void)
EXTRAKEY_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
#ifdef RAW_ENABLE
/* Setup Raw HID Report Endpoints */
ConfigSuccess &= ENDPOINT_CONFIG(RAW_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
RAW_EPSIZE, ENDPOINT_BANK_SINGLE);
ConfigSuccess &= ENDPOINT_CONFIG(RAW_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
RAW_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
#ifdef CONSOLE_ENABLE
/* Setup Console HID Report Endpoints */
ConfigSuccess &= ENDPOINT_CONFIG(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
@ -1124,9 +1213,14 @@ int main(void)
CDC_Device_USBTask(&cdc_device);
#endif
#ifdef RAW_ENABLE
raw_hid_task();
#endif
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif
}
}