88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/* This program is distributed under the GPL, version 2 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef __WIN32__
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#define sleep(x) Sleep(x)
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#endif
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#include <ftdi.h>
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int main(int argc, char **argv)
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{
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struct ftdi_context *ftdi;
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int f,i;
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unsigned char buf[1];
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int retval = 0;
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if ((ftdi = ftdi_new()) == 0)
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{
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fprintf(stderr, "ftdi_new failed\n");
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return EXIT_FAILURE;
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}
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f = ftdi_usb_open(ftdi, 0x0403, 0x6001);
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if (f < 0 && f != -5)
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{
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fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
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retval = 1;
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goto done;
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}
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printf("ftdi open succeeded: %d\n",f);
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printf("enabling bitbang mode\n");
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ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG);
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sleep(3);
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buf[0] = 0x0;
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printf("turning everything on\n");
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f = ftdi_write_data(ftdi, buf, 1);
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if (f < 0)
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{
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fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
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}
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sleep(3);
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buf[0] = 0xFF;
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printf("turning everything off\n");
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f = ftdi_write_data(ftdi, buf, 1);
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if (f < 0)
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{
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fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
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}
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sleep(3);
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for (i = 0; i < 32; i++)
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{
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buf[0] = 0 | (0xFF ^ 1 << (i % 8));
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if ( i > 0 && (i % 8) == 0)
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{
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printf("\n");
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}
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printf("%02hhx ",buf[0]);
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fflush(stdout);
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f = ftdi_write_data(ftdi, buf, 1);
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if (f < 0)
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{
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fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
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}
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sleep(1);
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}
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printf("\n");
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printf("disabling bitbang mode\n");
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ftdi_disable_bitbang(ftdi);
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ftdi_usb_close(ftdi);
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done:
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ftdi_free(ftdi);
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return retval;
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}
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