static int config_i2c(struct ftdi_context *ftdi)
{
int ret;
uint8_t buf[5];
uint16_t divisor;
ret = ftdi_set_latency_timer(ftdi, 16 /* ms */);
if (ret < 0)
fprintf(stderr, "Cannot set latency\n");
ret = ftdi_set_bitmode(ftdi, 0, BITMODE_RESET);
if (ret < 0) {
fprintf(stderr, "Cannot reset MPSSE\n");
return -EIO;
}
ret = ftdi_set_bitmode(ftdi, 0, BITMODE_MPSSE);
if (ret < 0) {
fprintf(stderr, "Cannot enable MPSSE\n");
return -EIO;
}
ret = ftdi_usb_purge_buffers(ftdi);
if (ret < 0)
fprintf(stderr, "Cannot purge buffers\n");
/* configure the clock */
divisor = (60000000 / (2 * I2C_FREQ * 3 / 2 /* 3-phase CLK */) - 1);
buf[0] = EN_3_PHASE;
buf[1] = DIS_DIV_5;
buf[2] = TCK_DIVISOR;
buf[3] = divisor & 0xff;
buf[4] = divisor >> 8;
ret = ftdi_write_data(ftdi, buf, sizeof(buf));
return ret;
}
int spectrig_connect(struct ftdi_context *ftdi)
{
int ret;
ftdi_init(ftdi);
/* TODO: Be a bit more selective and support multiple devices properly */
ret = open_by_desc_prefix(ftdi, 0x0403, 0x6010, spectrig_descs);
if (ret < 0) {
perror("Failed to open the device");
return ret;
}
ftdi_usb_purge_buffers(ftdi);
/* Initialize synchronous communication */
ret = ftdi_set_latency_timer(ftdi, 2);
if (ret < 0) {
perror("Failed to set the latency timer");
goto close;
}
ret = ftdi_read_data_set_chunksize(ftdi, 0x10000);
if (ret < 0) {
perror("Failed to set read data chunksize");
goto close;
}
ret = ftdi_write_data_set_chunksize(ftdi, 0x10000);
if (ret < 0) {
perror("Failed to write read data chunksize");
goto close;
}
ret = ftdi_setflowctrl(ftdi, SIO_RTS_CTS_HS);
if (ret < 0) {
perror("Failed to set flow control");
goto close;
}
msleep(20);
ret = ftdi_set_bitmode(ftdi, 0xff, 0x00);
if (ret < 0) {
perror("Failed to set bitmode 0x00");
goto close;
}
msleep(20);
ftdi_set_bitmode(ftdi, 0xff, 0x40);
if (ret < 0) {
perror("Failed to set bitmode 0x40");
goto close;
}
msleep(300);
ftdi_usb_purge_buffers(ftdi);
return 0;
close:
ftdi_usb_close(ftdi);
ftdi_deinit(ftdi);
return ret;
}
static void ft245r_close(PROGRAMMER * pgm) {
if (handle) {
// I think the switch to BB mode and back flushes the buffer.
ftdi_set_bitmode(handle, 0, BITMODE_SYNCBB); // set Synchronous BitBang, all in puts
ftdi_set_bitmode(handle, 0, BITMODE_RESET); // disable Synchronous BitBang
ftdi_usb_close(handle);
ftdi_deinit (handle);
pthread_cancel(readerthread);
pthread_join(readerthread, NULL);
free(handle);
handle = NULL;
}
}
int main(int argc, char *argv[])
{
struct ftdi_context ftdic;
int portrelay = MOTOR_RELAY;
unsigned char relay = 0;
/* Initialize context for subsequent function calls */
ftdi_init(&ftdic);
/* Open FTDI device based on FT232R vendor & product IDs */
if(ftdi_usb_open(&ftdic, 0x0403, 0x6001) < 0) {
puts("Can't open device");
fprintf(stderr, "unable to open ftdi device: (%s)\n", ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
/* Reading existing state */
relay = 0;
ftdi_read_data(&ftdic, &relay, 1);
// printf("Activating relay %d\n", MOTOR_RELAY);
relay |= (1 << portrelay);
ftdi_write_data(&ftdic, &relay, 1);
// printf("Sleeping for %dms\n", SLEEP_TIME);
usleep(SLEEP_TIME * 1000); // usleep want microsecs
// printf("Dectivating relay %d\n", MOTOR_RELAY);
relay &= ~(1 << portrelay);
ftdi_write_data(&ftdic, &relay, 1);
return 0;
}
static int ft245r_drain(PROGRAMMER * pgm, int display) {
int r;
unsigned char t;
// flush the buffer in the chip by changing the mode.....
r = ftdi_set_bitmode(handle, 0, BITMODE_RESET); // reset
if (r) return -1;
r = ftdi_set_bitmode(handle, ft245r_ddr, BITMODE_SYNCBB); // set Synchronuse BitBang
if (r) return -1;
// drain our buffer.
while (head != tail) {
ft245r_recv (pgm, &t, 1);
}
return 0;
}
void spi_init(void) {
int ret;
ftdi = ftdi_new();
if (!ftdi) {
fatal_error("ftdi_new failed!\n");
}
ret = ftdi_usb_open(ftdi, 0x0403, 0x6001);
if (ret < 0 && ret != -5) {
ftdi_free(ftdi);
fatal_error("unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
}
ret = ftdi_set_bitmode(ftdi, PINS_OUT, BITMODE_SYNCBB);
if (ret != 0) {
ftdi_free(ftdi);
fatal_error("unable to set bitmode: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
}
ret = ftdi_set_baudrate(ftdi, 57600);
if (ret != 0) {
ftdi_disable_bitbang(ftdi);
ftdi_free(ftdi);
fatal_error("unable to set baudrate: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
}
}
int main()
{
unsigned char d = 0;
unsigned char i;
struct ftdi_context ftdic;
/* Initialize context for subsequent function calls */
ftdi_init(&ftdic);
/* Open FTDI device based on FT232R vendor & product IDs */
if(ftdi_usb_open(&ftdic, 0x0403, 0x6001) < 0) {
puts("Can't open device");
fprintf(stderr, "unable to open ftdi device: (%s)\n", ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
ftdi_write_data(&ftdic, &d, 1);
sleep(1);
for(i=0;i<8;i++) {
printf("%d\n",d);
d |= d<<1;
ftdi_write_data(&ftdic, &d, 1);
usleep(200 * 1000);
}
sleep(2);
d = 0;
ftdi_write_data(&ftdic, &d, 1);
return 0;
}
int sys_init()
{
int ret, i;
struct ftdi_device_list *devlist, *curdev;
char manufacturer[128], description[128], serialno[128];
if (ftdi_init(&ux400_ftdic) < 0)
{
fprintf(stderr, "ftdi_init failed\n");
return EXIT_FAILURE;
}
if((ret = ftdi_usb_open_desc(&ux400_ftdic, UX400VENDOR, UX400PRODUCT, UX400DES, UX400_LOCAL_SN)) < 0)
{
fprintf(stderr, "ftdi_usb_open_desc failed: %d (%s)\n", ret, ftdi_get_error_string(&ux400_ftdic));
return EXIT_FAILURE;
}
if((ret = ftdi_usb_reset(&ux400_ftdic)) < 0)
{
fprintf(stderr, "ftdi_usb_reset failed: %d (%s)\n", ret, ftdi_get_error_string(&ux400_ftdic));
return EXIT_FAILURE;
}
if((ret = ftdi_set_baudrate(&ux400_ftdic, 9600)) < 0)
{
fprintf(stderr, "ftdi_set_baudrate failed: %d (%s)\n", ret, ftdi_get_error_string(&ux400_ftdic));
return EXIT_FAILURE;
}
if((ret = ftdi_set_bitmode(&ux400_ftdic, 0x00, BITMODE_RESET)) < 0)
{
fprintf(stderr, "ftdi_set_bitmode failed: %d (%s)\n", ret, ftdi_get_error_string(&ux400_ftdic));
return EXIT_FAILURE;
}
usleep(10000);
if((ret = ftdi_set_bitmode(&ux400_ftdic, 0x00, BITMODE_MCU)) < 0)
{
fprintf(stderr, "ftdi_set_bitmode failed: %d (%s)\n", ret, ftdi_get_error_string(&ux400_ftdic));
return EXIT_FAILURE;
}
return 0;
}
static int jtagkey_init(unsigned short vid, unsigned short pid) {
int ret = 0;
unsigned char c;
if ((ret = ftdi_init(&ftdic)) != 0) {
fprintf(stderr, "unable to initialise libftdi: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_usb_open(&ftdic, vid, pid)) != 0) {
fprintf(stderr, "unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_usb_reset(&ftdic)) != 0) {
fprintf(stderr, "unable reset device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_set_interface(&ftdic, INTERFACE_A)) != 0) {
fprintf(stderr, "unable to set interface: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_write_data_set_chunksize(&ftdic, USBBUFSIZE)) != 0) {
fprintf(stderr, "unable to set write chunksize: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_read_data_set_chunksize(&ftdic, USBBUFSIZE)) != 0) {
fprintf(stderr, "unable to set read chunksize: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = jtagkey_latency(OTHER_LATENCY)) != 0)
return ret;
c = 0x00;
ftdi_write_data(&ftdic, &c, 1);
if ((ret = ftdi_set_bitmode(&ftdic, JTAGKEY_TCK|JTAGKEY_TDI|JTAGKEY_TMS|JTAGKEY_OEn, BITMODE_SYNCBB)) != 0) {
fprintf(stderr, "unable to enable bitbang mode: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_set_baudrate(&ftdic, JTAG_SPEED)) != 0) {
fprintf(stderr, "unable to set baudrate: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_usb_purge_buffers(&ftdic)) != 0) {
fprintf(stderr, "unable to purge buffers: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
return ret;
}
void swdptap_turnaround(uint8_t dir)
{
static uint8_t olddir = 0;
//DEBUG("%s", dir ? "\n-> ":"\n<- ");
platform_buffer_flush();
if(dir == olddir) return;
olddir = dir;
if(dir) /* SWDIO goes to input */
assert(ftdi_set_bitmode(ftdic, 0xA3, BITMODE_BITBANG) == 0);
/* One clock cycle */
ftdi_write_data(ftdic, "\xAB\xA8", 2);
if(!dir) /* SWDIO goes to output */
assert(ftdi_set_bitmode(ftdic, 0xAB, BITMODE_BITBANG) == 0);
}
static void swdptap_init_internal(void)
{
int err;
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();
}
uint8_t setup[] = {
DIS_DIV_5,
TCK_DIVISOR, 0, 1,
LOOPBACK_END
};
platform_buffer_write(setup, sizeof(setup));
swdptap_set_bits();
platform_buffer_flush();
}
void initBoard(char *serial) {
//Init FTDI communication
ftdi_init(&ftdic);
if (0) {
//Open
ret = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
} else {
//Open via serial number, to be implemented later.
ret = ftdi_usb_open_desc(&ftdic, 0x0403, 0x6001, NULL, serial);
}
ret = ftdi_read_pins(&ftdic, bits);
//Board has just been plugged in or power lost
if (bits[0] == 0xFF) {
//Prevents 0xFF from flipping all switches on
//ftdi_enable_bitbang(&ftdic, 0xF0);
ftdi_set_bitmode(&ftdic, 0xF0, BITMODE_BITBANG);
setPins(0);
}
ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
//ftdi_enable_bitbang(&ftdic, 0xFF);
}
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;
}
int main(void)
{
struct ftdi_context ftdic;
int f;
unsigned char buf[1];
unsigned char bitmask;
unsigned char input[10];
if (ftdi_init(&ftdic) < 0)
{
fprintf(stderr, "ftdi_init failed\n");
return EXIT_FAILURE;
}
f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
if (f < 0 && f != -5)
{
fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
exit(-1);
}
printf("ftdi open succeeded: %d\n",f);
while (1)
{
// Set bitmask from input
fgets(input, sizeof(input) - 1, stdin);
if (input[0] == '\n') break;
bitmask = strtol(input, NULL, 0);
printf("Using bitmask 0x%02x\n", bitmask);
f = ftdi_set_bitmode(&ftdic, bitmask, BITMODE_CBUS);
if (f < 0)
{
fprintf(stderr, "set_bitmode failed for 0x%x, error %d (%s)\n", bitmask, f, ftdi_get_error_string(&ftdic));
exit(-1);
}
// read CBUS
f = ftdi_read_pins(&ftdic, &buf[0]);
if (f < 0)
{
fprintf(stderr, "read_pins failed, error %d (%s)\n", f, ftdi_get_error_string(&ftdic));
exit(-1);
}
printf("Read returned 0x%01x\n", buf[0] & 0x0f);
}
printf("disabling bitbang mode\n");
ftdi_disable_bitbang(&ftdic);
ftdi_usb_close(&ftdic);
ftdi_deinit(&ftdic);
}
void init_hw ()
{
ftdi_ok = FALSE;
if (ftdi_init (&ctx) >= 0) {
int f = ftdi_usb_open (&ctx, 0x0403, 0x6001);
if (f >= 0 || f == -5) {
purple_debug_info ("hwnotify", "INIT OK\n");
ftdi_set_bitmode (&ctx, 0xFF, BITMODE_BITBANG);
ftdi_ok = TRUE;
}
}
}
int main(int argc, char **argv)
{
struct ftdi_context *ftdi;
int f;
unsigned char buf[1];
int retval = 0;
if ((ftdi = ftdi_new()) == 0)
{
fprintf(stderr, "ftdi_new failed\n");
return EXIT_FAILURE;
}
// fprintf(stderr, "ftdi_new result = %d\n", ftdi);
f = ftdi_usb_open(ftdi, 0x0403, 0x6001);
// fprintf(stderr, "ftdi_usb_open result = %d\n", f);
if (f < 0 && f != -5)
{
fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
retval = 1;
goto done;
}
// printf("ftdi open succeeded: %d\n",f);
// printf("enabling bitbang mode\n");
ftdi_set_bitmode(ftdi, 0x02, BITMODE_BITBANG);
// usleep(3 * 1000000);
buf[0] = 0xff;
// printf("turning everything on\n");
f = ftdi_write_data(ftdi, buf, 1);
if (f < 0)
{
fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
}
// ftdi_disable_bitbang(ftdi);
ftdi_usb_close(ftdi);
ftdi_free(ftdi);
done:
return retval;
}
int main ( int argc, char *argv[] )
{
unsigned char c = 0;
char check = '2';
const char serial[] = "A602HSI6";
const char *descriptor = NULL;
struct ftdi_context ftdic;
/* Initialize context for subsequent function calls */
ftdi_init(&ftdic);
/* Open FTDI device based on FT232R vendor & product IDs */
if(ftdi_usb_open_desc(&ftdic, 0x0403, 0x6001, descriptor, serial) < 0) {
//puts("Can't open device cooler USB");
return 1;
}
if ( argc == 1 )
{
//printf( "cooler USB device found, all OK\n");
return 0;
}
if ( argc != 2 ) /* argc should be 2 for correct execution */
{
/* We print argv[0] assuming it is the program name */
printf( "usage: %s [0|1]\n", argv[0] );
return 1;
}
else
{
check = argv[1][0];
/*printf("Argument: %s C:%c\n",argv[1],check);*/
if (check == '1')
{
c ^= LED;
/*printf("On\n");*/
}
/* Enable bitbang mode with a single output line */
ftdi_set_bitmode(&ftdic, LED, BITMODE_BITBANG);
ftdi_write_data(&ftdic, &c, 1);
return 0;
}
}
//Try to find the ftdi chip and open it.
int FtdiNand::open(int vid, int pid, bool doslow) {
unsigned char slow=DIS_DIV_5;
if (doslow) slow=EN_DIV_5;
m_slowAccess=doslow;
//If vid/pid is zero, use default FT2232H vid/pid.
if (vid==0) vid=0x0403;
if (pid==0) pid=0x6010;
//Open FTDI communications
if (ftdi_init(&m_ftdi)<0) return error("init");
if (ftdi_usb_open(&m_ftdi, vid, pid)<0) return error("open");
if (ftdi_set_bitmode(&m_ftdi, 0, BITMODE_MCU)<0) error("bitmode");
if (ftdi_write_data(&m_ftdi, &slow, 1)<0) return error("writing div5 cmd");
if (ftdi_set_latency_timer(&m_ftdi, 1)<0) return error("setting latency");
ftdi_usb_purge_buffers(&m_ftdi);
return 1;
}
int main(int argc, char **argv)
{
struct ftdi_context *ftdi;
int i, t;
unsigned char data;
int delay = 100000; /* 100 thousand microseconds: 1 tenth of a second */
while ((t = getopt (argc, argv, "d:")) != -1)
{
switch (t)
{
case 'd':
delay = atoi (optarg);
break;
}
}
if ((ftdi = ftdi_new()) == 0)
{
fprintf(stderr, "ftdi_bew failed\n");
return EXIT_FAILURE;
}
if (ftdi_usb_open(ftdi, 0x0403, 0x6010) < 0)
ftdi_fatal (ftdi, "Can't open ftdi device");
if (ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG) < 0)
ftdi_fatal (ftdi, "Can't enable bitbang");
for (i=optind; i < argc ; i++)
{
sscanf (argv[i], "%x", &t);
data = t;
if (ftdi_write_data(ftdi, &data, 1) < 0)
{
fprintf(stderr,"write failed for 0x%x: %s\n",
data, ftdi_get_error_string(ftdi));
}
usleep(delay);
}
ftdi_usb_close(ftdi);
ftdi_free(ftdi);
exit (0);
}
void relay_setup (void) {
int f;
if ((ftdi = ftdi_new()) == 0) {
printf("ftdi_new failed\nFatal error, exiting\n");
exit (1);
}
f = ftdi_usb_open(ftdi, 0x0403, 0x6001);
if (f < 0 && f != -5) {
printf("Unable to open ftdi device %s\nFatal error, exiting\n", ftdi_get_error_string(ftdi));
ftdi_free(ftdi);
exit (1);
}
ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG);
return;
}
int init()
{
int f;
if ((ftdi = ftdi_new()) == 0) {
fprintf(stderr, "ftdi_new failed\n");
return -1;
}
f = ftdi_usb_open(ftdi, 0x0403, 0x6010);
if (f < 0 && f != -5) {
fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
ftdi_free(ftdi);
ftdi = NULL;
return -1;
}
f = ftdi_set_bitmode(ftdi, 0xff, BITMODE_MPSSE);
if(f != 0) {
fprintf(stderr, "unable to set bit mode: %d (%s)\n", f, ftdi_get_error_string(ftdi));
release();
return -1;
}
uint8_t p[] = { 0x80, 0, 3 };
f = ftdi_write_data(ftdi, p, 3);
if(f != 3) {
fprintf(stderr, "unable to write command to ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
release();
return -1;
}
//Set TCK/SK Divisor 0x86, 0xValueL, 0xValueH
uint8_t p1[] = { 0x86, 0, 1 }; //250KHz
// uint8_t p1[] = { 0x86, 0, 10 }; //25KHz
f = ftdi_write_data(ftdi, p1, 3);
if(f != 3) {
fprintf(stderr, "unable to write command2 to ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
release();
return -1;
}
return 0;
}
int main(void)
{
int ret;
struct ftdi_context ftdic;
if (ftdi_init(&ftdic) < 0)
{
fprintf(stderr, "ftdi_init failed\n");
return EXIT_FAILURE;
}
if ((ret = ftdi_usb_open(&ftdic, 0x15ba, 0x002a)) < 0)
{
fprintf(stderr, "unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
// Read out FTDIChip-ID of R type chips
if (ftdic.type == TYPE_R)
{
unsigned int chipid;
printf("ftdi_read_chipid: %d\n", ftdi_read_chipid(&ftdic, &chipid));
printf("FTDI chipid: %X\n", chipid);
}
ftdi_set_bitmode(&ftdic, 0x0b, BITMODE_MPSSE); /* ctx, JTAG I/O mask */
write_ftdi_command(&ftdic, SET_BITS_LOW, 0x00, 0x0b);
write_ftdi_command(&ftdic, SET_BITS_HIGH, OLIMEX_CBUS_nSRST, OLIMEX_CBUS_nSRST|OLIMEX_CBUS_LED);
usleep(100);
write_ftdi_command(&ftdic, SET_BITS_HIGH, OLIMEX_CBUS_LED, OLIMEX_CBUS_nSRST|OLIMEX_CBUS_LED);
usleep(1500000);
write_ftdi_command(&ftdic, SET_BITS_LOW, 0x00, 0x00);
if ((ret = ftdi_usb_close(&ftdic)) < 0)
{
fprintf(stderr, "unable to close ftdi device: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
ftdi_deinit(&ftdic);
return EXIT_SUCCESS;
}
int spi_close(void)
{
LOG(DEBUG, "spi_nrefs=%d, spi_dev_open=%d", spi_nrefs, spi_dev_open);
if (spi_dev_open) {
#ifdef ENABLE_LEDS
spi_led(SPI_LED_OFF);
#endif
/* Flush and reset the buffer */
if (ftdi_buf_write_offset) {
if (spi_ftdi_xfer(ftdi_buf, ftdi_buf_write_offset) < 0)
return -1;
ftdi_buf_write_offset = 0;
}
if (ftdi_set_bitmode(&ftdic, 0, BITMODE_RESET) < 0) {
SPI_ERR("FTDI: reset bitmode failed: %s",
ftdi_get_error_string(&ftdic));
return -1;
}
if (ftdi_usb_close(&ftdic) < 0) {
SPI_ERR("FTDI: close failed: %s",
ftdi_get_error_string(&ftdic));
return -1;
}
#ifdef SPI_STATS
spi_output_stats();
#endif
free(ftdi_buf);
ftdi_buf = NULL;
ftdi_buf_size = 0;
spi_dev_open = 0;
}
return 0;
}
int main()
{
unsigned char c = 0;
struct ftdi_context ftdic;
/* Initialize context for subsequent function calls */
ftdi_init(&ftdic);
/* Open FTDI device based on FT232R vendor & product IDs */
if(ftdi_usb_open(&ftdic, 0x0403, 0x6001) < 0) {
puts("Can't open device");
return 1;
}
/* Enable bitbang mode with a single output line */
// ftdi_enable_bitbang(&ftdic, LED);
if (ftdi_set_bitmode(&ftdic, LED, BITMODE_BITBANG) < 0)
puts( "Can't enable bitbang");
/* Endless loop: invert LED state, write output, pause 1 second */
// for(;;) {
ftdi_write_data(&ftdic, &c, 1); //low
sleep(1);
c ^= LED;
ftdi_write_data(&ftdic, &c, 1);//high
sleep(1);
c ^= LED;
ftdi_write_data(&ftdic, &c, 1);//low
// }
// ftdi_set_bitmode(&ftdic, LED, 0x00);
if(ftdi_disable_bitbang(&ftdic) < 0)
puts("Can't disable bitbang");
// if(ftdi_usb_reset(&ftdic) < 0)
// puts("Can't reset device");
if(ftdi_usb_close(&ftdic)<0)
puts("Can't close device");
ftdi_deinit(&ftdic);
}
/* prepare the FTDI USB device */
int do_init(struct ftdi2s88_t *fs88) {
fs88->ftdic = ftdi_new();
if (!fs88->ftdic) {
fprintf(stderr, "ftdi_new failed\n");
return -1;
}
if (ftdi_usb_open_desc(fs88->ftdic, 0x0403, 0x6001, NULL, NULL) < 0) {
/* if (ftdi_usb_open_desc(ftdic, 0x0403, 0x6015, NULL, NULL) < 0) { */
fprintf(stderr, "ftdi_usb_open_desc failed: %s\n", ftdi_get_error_string(fs88->ftdic));
return -1;
}
if (ftdi_set_bitmode(fs88->ftdic, BITBANG_MASK, BITMODE_SYNCBB) < 0) {
fprintf(stderr, "ftdi_set_bitmode failed: %s\n", ftdi_get_error_string(fs88->ftdic));
return -1;
}
if (ftdi_set_baudrate(fs88->ftdic, fs88->baudrate) < 0) {
fprintf(stderr, "ftdi_set_baudrate failed: %s\n", ftdi_get_error_string(fs88->ftdic));
return -1;
}
if (ftdi_usb_purge_tx_buffer(fs88->ftdic)) {
fprintf(stderr, "tx buffer flushing failed: %s\n", ftdi_get_error_string(fs88->ftdic));
return -1;
}
if (ftdi_usb_purge_rx_buffer(fs88->ftdic)) {
fprintf(stderr, "rx buffer flushing failed: %s\n", ftdi_get_error_string(fs88->ftdic));
return -1;
}
return 0;
}
int main(int argc, char *argv[])
{
struct ftdi_context ftdic;
unsigned char state;
/* Initialize context for subsequent function calls */
ftdi_init(&ftdic);
/* Open FTDI device based on FT232R vendor & product IDs */
if(ftdi_usb_open(&ftdic, 0x0403, 0x6001) < 0) {
puts("Can't open device");
fprintf(stderr, "unable to open ftdi device: (%s)\n", ftdi_get_error_string(&ftdic));
return EXIT_FAILURE;
}
ftdi_set_bitmode(&ftdic, 0xFF, BITMODE_BITBANG);
/* Reading existing state */
state = 0;
ftdi_read_data(&ftdic, &state, 1);
printf("Bitbang state, byte one: 0x%0x\n", state);
return state;
}
int swdptap_init(void)
{
int err;
assert(ftdic != NULL);
if((err = ftdi_set_bitmode(ftdic, 0xAB, BITMODE_BITBANG)) != 0) {
fprintf(stderr, "ftdi_set_bitmode: %d: %s\n",
err, ftdi_get_error_string(ftdic));
abort();
}
assert(ftdi_write_data(ftdic, "\xAB\xA8", 2) == 2);
/* This must be investigated in more detail.
* As described in STM32 Reference Manual... */
swdptap_seq_out(0xFFFF, 16);
swdptap_reset();
swdptap_seq_out(0xE79E, 16); /* 0b0111100111100111 */
swdptap_reset();
swdptap_seq_out(0, 16);
return 0;
}
int main() {
struct ftdi_context ftdic;
ftdi_init(&ftdic);
uint8_t data[256];
uint8_t data2[256];
if(ftdi_usb_open_desc(&ftdic, 0x0403, 0x6001, NULL, NULL) < 0) {
fprintf(stderr, "ftdi_usb_open_desc failed: %s\n",
ftdi_get_error_string(&ftdic));
exit(1);
}
if(ftdi_set_bitmode(&ftdic, 0xff, BITMODE_SYNCBB) < 0) {
fprintf(stderr, "ftdi_set_bitmode failed: %s\n",
ftdi_get_error_string(&ftdic));
exit(1);
}
if(ftdi_set_baudrate(&ftdic, 4096) < 0) {
fprintf(stderr, "ftdi_set_baudrate failed: %s\n",
ftdi_get_error_string(&ftdic));
exit(1);
}
for(int i=0; i<sizeof(data); i++) {
data[i] = (uint8_t ) i & 0xff;
}
for(;;) {
ftdi_write_data(&ftdic, data, sizeof(data));
ftdi_read_data(&ftdic, data2, sizeof(data2));
}
return 0;
}
static int send_special_waveform(struct ftdi_context *ftdi)
{
int ret;
int i;
uint64_t *wave;
uint8_t release_lines[] = {SET_BITS_LOW, 0, 0};
wave = malloc(SPECIAL_BUFFER_SIZE);
printf("Waiting for the EC power-on sequence ...");
fflush(stdout);
retry:
/* Reset the FTDI into a known state */
ret = ftdi_set_bitmode(ftdi, 0xFF, BITMODE_RESET);
if (ret != 0) {
fprintf(stderr, "failed to reset FTDI\n");
goto special_failed;
}
/*
* set the clock divider,
* so we output a new bitbang value every 2.5us.
*/
ret = ftdi_set_baudrate(ftdi, 160000);
if (ret != 0) {
fprintf(stderr, "failed to set bitbang clock\n");
goto special_failed;
}
/* Enable asynchronous bit-bang mode */
ret = ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG);
if (ret != 0) {
fprintf(stderr, "failed to set bitbang mode\n");
goto special_failed;
}
/* do usb special waveform */
wave[0] = 0x0;
ftdi_write_data(ftdi, (uint8_t *)wave, 1);
usleep(5000);
/* program each special tick */
for (i = 0; i < TICK_COUNT; ) {
wave[i++] = SPECIAL_PATTERN_SDA_L_SCL_L;
wave[i++] = SPECIAL_PATTERN_SDA_H_SCL_L;
wave[i++] = SPECIAL_PATTERN_SDA_L_SCL_L;
}
wave[19] = SPECIAL_PATTERN_SDA_H_SCL_H;
/* fill the buffer with the waveform pattern */
for (i = TICK_COUNT; i < SPECIAL_BUFFER_SIZE / sizeof(uint64_t); i++)
wave[i] = SPECIAL_PATTERN;
ret = ftdi_write_data(ftdi, (uint8_t *)wave, SPECIAL_BUFFER_SIZE);
if (ret < 0)
fprintf(stderr, "Cannot output special waveform\n");
/* clean everything to go back to regular I2C communication */
ftdi_usb_purge_buffers(ftdi);
ftdi_set_bitmode(ftdi, 0xff, BITMODE_RESET);
config_i2c(ftdi);
ftdi_write_data(ftdi, release_lines, sizeof(release_lines));
/* wait for PLL stable for 5ms (plus remaining USB transfers) */
usleep(10 * MSEC);
/* if we cannot communicate, retry the sequence */
if (check_chipid(ftdi) < 0) {
sleep(1);
goto retry;
}
special_failed:
printf("Done.\n");
free(wave);
return ret;
}
int main(int argc, char **argv)
{
struct ftdi_context ftdi;
uint8_t buf[4];
uint8_t conf_buf[] = {SET_BITS_LOW, 0x08, 0x0b,
SET_BITS_HIGH, 0x00, 0x00,
TCK_DIVISOR, 0x00, 0x00,
LOOPBACK_END};
if (argc < 2) {
usage(argv[0]);
return 1;
}
if (strcmp (argv[1], "idcode") && strcmp (argv[1], "reset") &&
strcmp (argv[1], "load") && strcmp (argv[1], "readreg") &&
strcmp (argv[1], "read") && strcmp (argv[1], "write")
) {
usage(argv[0]);
return 1;
}
/* Init */
ftdi_init(&ftdi);
if (ftdi_usb_open_desc(&ftdi, VENDOR, PRODUCT, 0, 0) < 0) {
fprintf(stderr,
"Can't open device %04x:%04x\n", VENDOR, PRODUCT);
return 1;
}
ftdi_usb_reset(&ftdi);
ftdi_set_interface(&ftdi, INTERFACE_A);
ftdi_set_latency_timer(&ftdi, 1);
ftdi_set_bitmode(&ftdi, 0xfb, BITMODE_MPSSE);
if (ftdi_write_data(&ftdi, conf_buf, 10) != 10) {
fprintf(stderr,
"Can't configure device %04x:%04x\n", VENDOR, PRODUCT);
return 1;
}
buf[0] = GET_BITS_LOW;
buf[1] = SEND_IMMEDIATE;
if (ftdi_write_data(&ftdi, buf, 2) != 2) {
fprintf(stderr,
"Can't send command to device\n");
return 1;
}
ftdi_read_data(&ftdi, &buf[2], 1);
if (!(buf[2] & 0x10)) {
fprintf(stderr,
"Vref not detected. Please power on target board\n");
return 1;
}
if (!strcmp(argv[1], "idcode")) {
uint8_t out[4];
tap_reset_rti(&ftdi);
tap_shift_dr_bits(&ftdi, NULL, 32, out);
rev_dump(out, 4);
printf("\n");
}
if (!strcmp (argv[1], "reset"))
brd_reset(&ftdi);
if (!strcmp (argv[1], "load")) {
int i;
struct load_bits *bs;
FILE *fp;
uint8_t *dr_data;
uint32_t u;
if(argc < 3) {
usage(argv[0]);
goto exit;
}
if (!strcmp(argv[2], "-"))
fp = stdin;
else {
fp = fopen(argv[2], "r");
if (!fp) {
perror("Unable to open file");
goto exit;
}
}
bs = calloc(1, sizeof(*bs));
if (!bs) {
perror("memory allocation failed");
goto exit;
}
if (load_bits(fp, bs) != 0) {
fprintf(stderr, "%s not supported\n", argv[2]);
goto free_bs;
}
printf("Bitstream information:\n");
printf("\tDesign: %s\n", bs->design);
printf("\tPart name: %s\n", bs->part_name);
printf("\tDate: %s\n", bs->date);
printf("\tTime: %s\n", bs->time);
printf("\tBitstream length: %d\n", bs->length);
/* copy data into shift register */
dr_data = calloc(1, bs->length);
if (!dr_data) {
perror("memory allocation failed");
goto free_bs;
}
for (u = 0; u < bs->length; u++)
dr_data[u] = rev8(bs->data[u]);
brd_reset(&ftdi);
tap_shift_ir(&ftdi, CFG_IN);
tap_shift_dr_bits(&ftdi, dr_data, bs->length * 8, NULL);
/* ug380.pdf
* P161: a minimum of 16 clock cycles to the TCK */
tap_shift_ir(&ftdi, JSTART);
for (i = 0; i < 32; i++)
tap_tms(&ftdi, 0, 0);
tap_reset_rti(&ftdi);
free(dr_data);
free_bs:
bits_free(bs);
fclose(fp);
}
if (!strcmp(argv[1], "readreg") && argc == 3) {
int i;
char *err;
uint8_t reg;
uint8_t out[2];
uint8_t dr_in[14];
uint8_t in[14] = {
0xaa, 0x99, 0x55, 0x66,
0x00, 0x00, 0x20, 0x00,
0x20, 0x00, 0x20, 0x00,
0x20, 0x00
};
uint16_t cmd = 0x2801; /* type 1 packet (word count = 1) */
reg = strtol(argv[2], &err, 0);
if((*err != 0x00) || (reg < 0) || (reg > 0x22)) {
fprintf(stderr,
"Invalid register, use a decimal or hexadecimal(0x...) number between 0x0 and 0x22\n");
goto exit;
}
cmd |= ((reg & 0x3f) << 5);
in[4] = (cmd & 0xff00) >> 8;
in[5] = cmd & 0xff;
tap_reset_rti(&ftdi);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 0, 0);
tap_tms(&ftdi, 0, 0); /* Goto shift IR */
tap_shift_ir_only(&ftdi, CFG_IN);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 0, 0);
tap_tms(&ftdi, 0, 0); /* Goto SHIFT-DR */
for (i = 0; i < 14; i++)
dr_in[i] = rev8(in[i]);
tap_shift_dr_bits_only(&ftdi, dr_in, 14 * 8, NULL);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0); /* Goto SELECT-IR */
tap_tms(&ftdi, 0, 0);
tap_tms(&ftdi, 0, 0); /* Goto SHIFT-IR */
tap_shift_ir_only(&ftdi, CFG_OUT);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 0, 0);
tap_tms(&ftdi, 0, 0); /* Goto SHIFT-IR */
tap_shift_dr_bits_only(&ftdi, NULL, 2 * 8, out);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0);
tap_tms(&ftdi, 1, 0); /* Goto SELECT-IR */
tap_tms(&ftdi, 0, 0);
tap_tms(&ftdi, 0, 0); /* Goto SHIFT-IR */
tap_reset_rti(&ftdi);
out[0] = rev8(out[0]);
out[1] = rev8(out[1]);
printf("REG[%d]: 0x%02x%02x\n", reg, out[0], out[1]);
}