root / branches / rbom / code / projects / colonet / testing / ftdi_test / ftdi_test.c @ 1390
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/* ftdi test
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* Simple program to test the ftdi drivers with the dongle
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*/
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#include <stdio.h> |
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#include <unistd.h> |
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#include <usb.h> |
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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 ftdic;
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int f,i;
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ftdi_init(&ftdic); |
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f = ftdi_usb_open(&ftdic, 0x0403, 0x6001); |
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if(f < 0 && f != -5) { |
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fprintf(stderr, "unable to open ftdi device: %d\n",f);
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exit(-1);
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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_enable_bitbang(&ftdic, 0xFF);
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char buf[1]; |
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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(&ftdic, buf, 1);
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if(f < 0) { |
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fprintf(stderr,"write failed for 0x%x, error %d\n",buf[0],f); |
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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(&ftdic, buf, 1);
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if(f < 0) { |
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fprintf(stderr,"write failed for 0x%x, error %d\n",buf[0],f); |
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} |
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sleep(3);
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for(i = 0; i < 32; i++) { |
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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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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(&ftdic, buf, 1);
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if(f < 0) { |
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fprintf(stderr,"write failed for 0x%x, error %d\n",buf[0],f); |
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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(&ftdic); |
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ftdi_usb_close(&ftdic); |
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ftdi_deinit(&ftdic); |
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} |