jt_usb_ftdi_io.c File Reference

#include <sysexits.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "dbg_msg.h"
#include "jt_tap.h"
#include "jt_io_usb.h"
#include "jt_arm.h"
#include "arm_gdbstub_callback.h"
#include "convert.h"
#include "transaction.h"

Data Structures

• struct ownParam
• struct ftdiBlinkState

Defines

• #define HIGH_WATER_MARK   (BUFFER_SIZE*7/8)
• #define READ_ENDPOINT   0x81
• #define WRITE_ENDPOINT   0x02
• #define USBCNTRL_IDX   1

Functions

• static void olimexLedOn (void)
• static void olimexLedOff (void)
• static void flyswatterLedOn (void)
• static void flyswatterLedOff (void)
• static void turtelLedOn (void)
• static void turtelLedOff (void)
• static void ftdiBlink (void)
• static void ftdiBlinkStop (void)
• int ftdiBlinkStopCB (int unusedArg, int unusedCnt, struct context *noContext)
• void tap_init_usb_ftdi (void)
• void tap_hard_reset_usb_ftdi (void)
• void tap_reset_usb_ftdi (void)
• void tap_idle_usb_ftdi (int now)
• void tap_instr_usb_ftdi (int num_bits, char *to_dev, char *from_dev)
• void tap_data_usb_ftdi (int num_bits, char *to_dev, char *from_dev)
• void tap_discover_chain_usb_ftdi (void)
• static void bit_sendTms_readTdFrom (int tdTo, int numBits, char *tmsData)
• static void bit_sendTms (int tdTo, int numBits, char *tmsData)
• static void byte_sendTdTo_readTdFrom (int numBits, char *tdToStr, int tdFix)
• static void byte_sendTdTo (int numBits, char *tdToStr, int tdFix)
• static void bit_sendTdTo_readTdFrom (int numBits, char *tdToStr, int tdFix)
• static void bit_sendTdTo (int numBits, char *tdToStr, int tdFix)
• static void setLowDataBits_usb_ftdi (void)
• static void setHighDataBits_usb_ftdi (void)
• static void getLowDataBits_usb_ftdi (void)
• static void getHighDataBits_usb_ftdi (void)
• static void bytesOfBufferToString (int numBytes, char *str)
• static void bitsOfBufferToString (int numBits, char *str)
• static void sendReset (int trst, int srst)
• static void tap_usb_io_ftdi_cb (struct transaction *context)
• void tap_test_1_usb_ftdi (void)
• void tap_test_2_usb_ftdi (void)

Variables

• static uint32_t tap_clk_div
• static struct ftdiBlinkState ftdiBlinkState
• static uint8_t low_output
• static uint8_t low_direction
• static uint8_t nTRST_lo
• static uint8_t nTRSTnOE_lo
• static uint8_t nSRST_lo
• static uint8_t nSRSTnOE_lo
• static uint8_t SRST_lo
• static uint8_t nSRST_OE_lo
• static uint8_t nSRST_dir_lo
• static uint8_t nTRST_dir_lo
• static uint8_t high_output
• static uint8_t high_direction
• static uint8_t nTRST_hi
• static uint8_t nTRSTnOE_hi
• static uint8_t nSRST_hi
• static uint8_t nSRSTnOE_hi
• static uint8_t SRST_hi
• static uint8_t nSRST_OE_hi
• static int responseByteLen
• static int responseBitLen

---

Detailed Description

Test Access Port Controller Interface Support functions to access the JTAG interface of FTDI-Chip FT2232 based USB devices

---

Define Documentation

#define HIGH_WATER_MARK   (BUFFER_SIZE*7/8)

Referenced by tap_data_usb_ftdi(), tap_idle_usb_ftdi(), and tap_instr_usb_ftdi().

#define READ_ENDPOINT   0x81

Referenced by tap_init_usb_ftdi(), and tap_init_usb_jlink().

#define WRITE_ENDPOINT   0x02

Referenced by tap_init_usb_ftdi(), and tap_init_usb_jlink().

#define USBCNTRL_IDX   1

Referenced by tap_init_usb_ftdi().

---

Function Documentation

static void olimexLedOn

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void olimexLedOff

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void flyswatterLedOn

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void flyswatterLedOff

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void turtelLedOn

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void turtelLedOff

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void ftdiBlink

(

void

)

[static]

References allocateCmdCallbackEntry(), convertDiffTimeToMsec, ftdiBlinkStopCB(), inQueueCmdCallbackEntry(), and ftdiBlinkState::timeout.

Referenced by tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), tap_hard_reset_usb_ftdi(), tap_idle_usb_ftdi(), tap_instr_usb_ftdi(), and tap_reset_usb_ftdi().

static void ftdiBlinkStop

(

void

)

[static]

Referenced by ftdiBlinkStopCB().

int ftdiBlinkStopCB	(	int	unusedArg,
		int	unusedCnt,
		struct context *	noContext
	)

References allocateCmdCallbackEntry(), DBG_LEVEL_GDB_ARM_ERROR, dbgPrintf(), ftdiBlinkStop(), inQueueCmdCallbackEntry(), and libusbWriteData().

Referenced by ftdiBlink().

void tap_init_usb_ftdi

(

void

)

References CFG_FLYSWATTER, CFG_JTAGKEY, CFG_MSK, CFG_OLIMEX, CFG_OOCDLINK, CFG_OOCDUSBJTAG, CFG_SIGNALYZER, CFG_SRST_PUSH_PULL, CFG_STM32STICK, CFG_STR9COMSTICK, CFG_TRST_PUSH_PULL, CFG_TURTEL, DBG_LEVEL_GDB_ARM_ERROR, dbgPrintf(), error_exit_code, ERROR_MSG_EXIT, flyswatterLedOff(), flyswatterLedOn(), getHighDataBits_usb_ftdi(), getLowDataBits_usb_ftdi(), high_direction, high_output, libusbReadData(), libusbWriteData(), low_direction, low_output, nSRST_dir_lo, nSRST_hi, nSRST_lo, nSRST_OE_hi, nSRST_OE_lo, nSRSTnOE_hi, nSRSTnOE_lo, nTRST_dir_lo, nTRST_hi, nTRST_lo, nTRSTnOE_hi, nTRSTnOE_lo, olimexLedOff(), olimexLedOn(), READ_ENDPOINT, usb_io_buffer::read_endpoint, usb_io_buffer::readbuffer_offset, usb_io_buffer::readbuffer_remaining, setHighDataBits_usb_ftdi(), setLowDataBits_usb_ftdi(), SRST_hi, SRST_lo, tap_clk_div, turtelLedOff(), turtelLedOn(), usb_io_buffer::usb_read_timeout, usb_io_buffer::usb_write_timeout, USBCNTRL_IDX, usbIO_buf, usbIO_readBufferGetNext(), usbIO_writeBufferAppend(), WRITE_ENDPOINT, and usb_io_buffer::write_endpoint.

void tap_hard_reset_usb_ftdi

(

void

)

References ftdiBlink(), libusbWriteData(), and sendReset().

Referenced by tap_discover_chain_usb_ftdi().

void tap_reset_usb_ftdi

(

void

)

References bit_sendTms(), ftdiBlink(), libusbWriteData(), and low_output.

Referenced by tap_discover_chain_usb_ftdi().

void tap_idle_usb_ftdi

(

int

now

)

References bit_sendTms(), ftdiBlink(), HIGH_WATER_MARK, libusbWriteData(), low_output, transactionActivateFinal(), transactionCreate(), transactionErase(), transactionExecute(), transactionGet(), transactionPenting(), transaction::uplevel, usbIO_buf, and usb_io_buffer::writebuffer_size.

Referenced by tap_discover_chain_usb_ftdi().

void tap_instr_usb_ftdi	(	int	num_bits,
		char *	to_dev,
		char *	from_dev
	)

References bit_sendTdTo(), bit_sendTdTo_readTdFrom(), bit_sendTms(), bit_sendTms_readTdFrom(), bitsOfBufferToString(), byte_sendTdTo(), byte_sendTdTo_readTdFrom(), bytesOfBufferToString(), DBG_LEVEL_GDB_ARM_ERROR, dbgPrintf(), ftdiBlink(), HIGH_WATER_MARK, ownParam::INSTUCTION_CHAIN_TRANSFER, libusbReadData(), libusbWriteData(), low_output, transaction::parameter, ownParam::remainBits, responseBitLen, responseByteLen, tap_usb_io_ftdi_cb(), transactionActivateFinal(), transactionCreate(), transactionErase(), transactionExecute(), transactionGet(), transactionPenting(), ownParam::transferBytes, ownParam::type, transaction::uplevel, usbIO_buf, usbIO_readBufferGetNext(), and usb_io_buffer::writebuffer_size.

void tap_data_usb_ftdi	(	int	num_bits,
		char *	to_dev,
		char *	from_dev
	)

References bit_sendTdTo(), bit_sendTdTo_readTdFrom(), bit_sendTms(), bit_sendTms_readTdFrom(), bitsOfBufferToString(), byte_sendTdTo(), byte_sendTdTo_readTdFrom(), bytesOfBufferToString(), ownParam::DATA_CHAIN_TRANSFER, DBG_LEVEL_GDB_ARM_ERROR, dbgPrintf(), ftdiBlink(), HIGH_WATER_MARK, libusbReadData(), libusbWriteData(), low_output, transaction::parameter, ownParam::remainBits, responseBitLen, responseByteLen, tap_usb_io_ftdi_cb(), transactionActivateFinal(), transactionCreate(), transactionErase(), transactionExecute(), transactionGet(), transactionPenting(), ownParam::transferBytes, ownParam::type, transaction::uplevel, usbIO_buf, usbIO_readBufferGetNext(), and usb_io_buffer::writebuffer_size.

void tap_discover_chain_usb_ftdi

(

void

)

References bit_sendTdTo_readTdFrom(), bit_sendTms(), byte_sendTdTo_readTdFrom(), DBG_LEVEL_JTAG_TAP, dbgPrintf(), error_exit_code, ERROR_MSG_EXIT, ftdiBlink(), chain_info::has_idcode, chain_info::idcode, chain_info::instr_len, instrLenByID::instrLen, jtag_supp_bitstr2int_MSB_First(), instrLenByID::jtagID, libusbReadData(), libusbWriteData(), chain_info::next, chain_info::prev, responseBitLen, responseByteLen, tap_hard_reset_usb_ftdi(), tap_idle_usb_ftdi(), tap_reset_usb_ftdi(), and usbIO_readBufferGetNext().

static void bit_sendTms_readTdFrom	(	int	tdTo,
		int	numBits,
		char *	tmsData
	)			[static]

References responseBitLen, responseByteLen, usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), tap_instr_usb_ftdi(), and tap_test_1_usb_ftdi().

static void bit_sendTms	(	int	tdTo,
		int	numBits,
		char *	tmsData
	)			[static]

References usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), tap_idle_usb_ftdi(), tap_instr_usb_ftdi(), tap_reset_usb_ftdi(), tap_test_1_usb_ftdi(), and tap_test_2_usb_ftdi().

static void byte_sendTdTo_readTdFrom	(	int	numBits,
		char *	tdToStr,
		int	tdFix
	)			[static]

References responseBitLen, responseByteLen, usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), and tap_instr_usb_ftdi().

static void byte_sendTdTo	(	int	numBits,
		char *	tdToStr,
		int	tdFix
	)			[static]

References usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), and tap_instr_usb_ftdi().

static void bit_sendTdTo_readTdFrom	(	int	numBits,
		char *	tdToStr,
		int	tdFix
	)			[static]

References responseBitLen, responseByteLen, usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), tap_instr_usb_ftdi(), and tap_test_2_usb_ftdi().

static void bit_sendTdTo	(	int	numBits,
		char *	tdToStr,
		int	tdFix
	)			[static]

References usbIO_buf, usbIO_writeBufferAppend(), and usb_io_buffer::xferBits.

Referenced by tap_data_usb_ftdi(), and tap_instr_usb_ftdi().

static void setLowDataBits_usb_ftdi

(

void

)

[static]

References low_direction, low_output, and usbIO_writeBufferAppend().

Referenced by sendReset(), and tap_init_usb_ftdi().

static void setHighDataBits_usb_ftdi

(

void

)

[static]

References high_direction, high_output, and usbIO_writeBufferAppend().

Referenced by sendReset(), and tap_init_usb_ftdi().

static void getLowDataBits_usb_ftdi

(

void

)

[static]

References responseBitLen, responseByteLen, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void getHighDataBits_usb_ftdi

(

void

)

[static]

References responseByteLen, and usbIO_writeBufferAppend().

Referenced by tap_init_usb_ftdi().

static void bytesOfBufferToString	(	int	numBytes,
		char *	str
	)			[static]

References usbIO_readBufferGetNext().

Referenced by tap_data_usb_ftdi(), tap_instr_usb_ftdi(), and tap_usb_io_ftdi_cb().

static void bitsOfBufferToString	(	int	numBits,
		char *	str
	)			[static]

References usbIO_readBufferGetNext().

Referenced by tap_data_usb_ftdi(), tap_instr_usb_ftdi(), and tap_usb_io_ftdi_cb().

static void sendReset	(	int	trst,
		int	srst
	)			[static]

References CFG_SRST_PUSH_PULL, CFG_TRST_PUSH_PULL, high_output, low_direction, low_output, nSRST_dir_lo, nSRST_hi, nSRST_lo, nSRST_OE_hi, nSRST_OE_lo, nSRSTnOE_hi, nSRSTnOE_lo, nTRST_dir_lo, nTRST_hi, nTRST_lo, nTRSTnOE_hi, nTRSTnOE_lo, setHighDataBits_usb_ftdi(), setLowDataBits_usb_ftdi(), SRST_hi, and SRST_lo.

Referenced by tap_hard_reset_usb_ftdi().

static void tap_usb_io_ftdi_cb

(

struct transaction *

context

)

[static]

References bitsOfBufferToString(), bytesOfBufferToString(), DBG_LEVEL_GDB_ARM_ERROR, dbgPrintf(), libusbReadData(), libusbWriteData(), transaction::parameter, usb_io_buffer::readbuffer_pos, ownParam::remainBits, transactionErase(), ownParam::transferBytes, ownParam::type, transaction::uplevel, usbIO_buf, usbIO_readBufferGetNext(), and usb_io_buffer::writebuffer_size.

Referenced by tap_data_usb_ftdi(), and tap_instr_usb_ftdi().

void tap_test_1_usb_ftdi

(

void

)

References bit_sendTms(), bit_sendTms_readTdFrom(), libusbReadData(), and libusbWriteData().

Referenced by tap_raw_io_test().

void tap_test_2_usb_ftdi

(

void

)

References bit_sendTdTo_readTdFrom(), bit_sendTms(), libusbReadData(), and libusbWriteData().

Referenced by tap_raw_io_test().

---

Variable Documentation

uint32_t tap_clk_div [static]

Referenced by tap_init_usb_ftdi().

struct ftdiBlinkState ftdiBlinkState [static]

uint8_t low_output [static]

Referenced by sendReset(), setLowDataBits_usb_ftdi(), tap_data_usb_ftdi(), tap_idle_usb_ftdi(), tap_init_usb_ftdi(), tap_instr_usb_ftdi(), and tap_reset_usb_ftdi().

uint8_t low_direction [static]

Referenced by sendReset(), setLowDataBits_usb_ftdi(), and tap_init_usb_ftdi().

uint8_t nTRST_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nTRSTnOE_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRST_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRSTnOE_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t SRST_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRST_OE_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRST_dir_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nTRST_dir_lo [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t high_output [static]

Referenced by flyswatterLedOff(), flyswatterLedOn(), olimexLedOff(), olimexLedOn(), sendReset(), setHighDataBits_usb_ftdi(), tap_init_usb_ftdi(), turtelLedOff(), and turtelLedOn().

uint8_t high_direction [static]

Referenced by flyswatterLedOff(), flyswatterLedOn(), olimexLedOff(), olimexLedOn(), setHighDataBits_usb_ftdi(), tap_init_usb_ftdi(), turtelLedOff(), and turtelLedOn().

uint8_t nTRST_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nTRSTnOE_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRST_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRSTnOE_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t SRST_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

uint8_t nSRST_OE_hi [static]

Referenced by sendReset(), and tap_init_usb_ftdi().

int responseByteLen [static]

Referenced by bit_sendTdTo_readTdFrom(), bit_sendTms_readTdFrom(), byte_sendTdTo_readTdFrom(), getHighDataBits_usb_ftdi(), getLowDataBits_usb_ftdi(), tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), and tap_instr_usb_ftdi().

int responseBitLen [static]

Referenced by bit_sendTdTo_readTdFrom(), bit_sendTms_readTdFrom(), byte_sendTdTo_readTdFrom(), getLowDataBits_usb_ftdi(), tap_data_usb_ftdi(), tap_discover_chain_usb_ftdi(), and tap_instr_usb_ftdi().