libftdi
0.19
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Library to talk to FTDI chips. You find the latest versions of libftdi at http://www.intra2net.com/en/developer/libftdi/
The library is easy to use. Have a look at this short example:
/* simple.c Simple libftdi usage example This program is distributed under the GPL, version 2 */ #include <stdio.h> #include <ftdi.h> 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, 0x0403, 0x6001)) < 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); } 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; }
More examples can be found in the "examples" directory.