+/* simple.c
+
+ Simple libftdi usage example
+
+ This program is distributed under the GPL, version 2
+*/
+
#include <stdio.h>
+#include <stdlib.h>
#include <ftdi.h>
-int main(int argc, char **argv)
+int main(void)
{
int ret;
- struct ftdi_context ftdic;
- ftdi_init(&ftdic);
+ struct ftdi_context *ftdi;
+ struct ftdi_version_info version;
+ if ((ftdi = ftdi_new()) == 0)
+ {
+ fprintf(stderr, "ftdi_new failed\n");
+ return EXIT_FAILURE;
+ }
+
+ version = ftdi_get_library_version();
+ printf("Initialized libftdi %s (major: %d, minor: %d, micro: %d, snapshot ver: %s)\n",
+ version.version_str, version.major, version.minor, version.micro,
+ version.snapshot_str);
+
+ if ((ret = ftdi_usb_open(ftdi, 0x0403, 0x6001)) < 0)
+ {
+ fprintf(stderr, "unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
+ ftdi_free(ftdi);
+ return EXIT_FAILURE;
+ }
+
+ // Read out FTDIChip-ID of R type chips
+ if (ftdi->type == TYPE_R)
+ {
+ unsigned int chipid;
+ printf("ftdi_read_chipid: %d\n", ftdi_read_chipid(ftdi, &chipid));
+ printf("FTDI chipid: %X\n", chipid);
+ }
- 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));
+ if ((ret = ftdi_usb_close(ftdi)) < 0)
+ {
+ fprintf(stderr, "unable to close ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
+ ftdi_free(ftdi);
return EXIT_FAILURE;
}
- ftdi_usb_close(&ftdic);
- ftdi_deinit(&ftdic);
+ ftdi_free(ftdi);
return EXIT_SUCCESS;
}