URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [or_debug_proxy/] [src/] [linux_usb_driver_calls.c] - Diff between revs 39 and 47

Rev 39	Rev 47
Line 68...	Line 68...
`#include "usb_functions.h"`	`#include "usb_functions.h"`
`#include "or_debug_proxy.h"`	`#include "or_debug_proxy.h"`

`#include "FT2232cMpsseJtag.h"`	`#include "FT2232cMpsseJtag.h"`


`static FT2232cMpsseJtag *pFT2232cMpsseJtag = NULL;`	`static FT2232cMpsseJtag *pFT2232cMpsseJtag = NULL;`

`// Global USB JTAG device handle`	`// Global USB JTAG device handle`
`FTC_HANDLE ftHandle;`	`FTC_HANDLE ftHandle;`

Line 157...	Line 158...
`{`	`{`
`return pFT2232cMpsseJtag->JTAG_CloseDevice(ftHandle);`	`return pFT2232cMpsseJtag->JTAG_CloseDevice(ftHandle);`
`}`	`}`


	`void reinit_usb_jtag(void)`
	`{`
	`FTC_STATUS Status = FTC_SUCCESS;`
	`if (DEBUG_USB_DRVR_FUNCS) printf("linux_usb_driver_calls: reset_usb_jtag() - ");`
	`Status = pFT2232cMpsseJtag->JTAG_InitDevice(ftHandle, 0);`
	`if (DEBUG_USB_DRVR_FUNCS) printf("return Status: %d\n", (int) Status);`
	`}`

`// Set clock frequency`	`// Set clock frequency`
`// Frequency = 12Mhz/((1+divisor)*2),`	`// Frequency = 12Mhz/((1+divisor)*2),`
`// divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz`	`// divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz`
`#define USB_JTAG_CLK_DIVIDER 0`	`#define USB_JTAG_CLK_DIVIDER 0`