Esempio n. 1
0
int jtagtap_init(void)
{
	TMS_SET_MODE();

	/* Go to JTAG mode for SWJ-DP */
	for(int i = 0; i <= 50; i++) jtagtap_next(1, 0); /* Reset SW-DP */
	jtagtap_tms_seq(0xE73C, 16);		/* SWD to JTAG sequence */
	jtagtap_soft_reset();

	return 0;
}
Esempio n. 2
0
int
jtagtap_init(void)
{
	TMS_SET_MODE();

	for(int i = 0; i <= 50; i++) jtagtap_next(1,0);
	jtagtap_tms_seq(0xE73C, 16);
	jtagtap_soft_reset();

	return 0;
}
Esempio n. 3
0
int jtagtap_init(void)
{
	gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ, 
		GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN); 

	/* Go to JTAG mode for SWJ-DP */
	for(int i = 0; i <= 50; i++) jtagtap_next(1, 0); /* Reset SW-DP */
	jtagtap_tms_seq(0xE73C, 16);		/* SWD to JTAG sequence */
	jtagtap_soft_reset();

	return 0;
}
Esempio n. 4
0
int jtagtap_init(void)
{
	int err;

	assert(ftdic != NULL);

	if((err = ftdi_set_bitmode(ftdic, 0, BITMODE_RESET)) ||
	   (err = ftdi_set_bitmode(ftdic, 0, BITMODE_MPSSE))) {
		fprintf(stderr, "ftdi_set_bitmode: %d: %s\n", 
			err, ftdi_get_error_string(ftdic));
		abort();
	}

	assert(ftdi_write_data(ftdic, "\x8B\x86\x06\x00\x80\xA8\xAB\x85", 8) == 8);

	/* Go to JTAG mode for SWJ-DP */
	for(int i = 0; i <= 50; i++) jtagtap_next(1, 0); /* Reset SW-DP */
	jtagtap_tms_seq(0xE73C, 16);		/* SWD to JTAG sequence */
	jtagtap_soft_reset();

	return 0;
}