X-Git-Url: http://developer.intra2net.com/git/?a=blobdiff_plain;f=examples%2Feeprom.c;h=609ab9974d8cedc1cf753cc7c3c4204bfba0e6a4;hb=a35aa9bdfbb149efe72c32727a0ebfe3585465f8;hp=6be43f68fd550f01f65dba228736268e5196e46c;hpb=2db3a766fd94a852d95f46efadf3a0dacccd29f5;p=libftdi diff --git a/examples/eeprom.c b/examples/eeprom.c index 6be43f6..609ab99 100644 --- a/examples/eeprom.c +++ b/examples/eeprom.c @@ -13,18 +13,24 @@ int main(int argc, char **argv) { - struct ftdi_context ftdic; - struct ftdi_eeprom eeprom; - unsigned char buf[2048]; - int size; + struct ftdi_context *ftdi; + unsigned char *buf; int f, i, j; int vid = 0x0403; int pid = 0x6010; char const *desc = 0; char const *serial = 0; int erase = 0; - int use_defaults; + int use_defaults = 0; int large_chip = 0; + int size; + + if ((ftdi = ftdi_new()) == 0) + { + fprintf(stderr, "Failed to allocate ftdi structure :%s \n", + ftdi_get_error_string(ftdi)); + return EXIT_FAILURE; + } while ((i = getopt(argc, argv, "d::ev:p:P:S:")) != -1) { @@ -66,18 +72,11 @@ int main(int argc, char **argv) } } - // Init - if (ftdi_init(&ftdic) < 0) - { - fprintf(stderr, "ftdi_init failed\n"); - return EXIT_FAILURE; - } - // Select first interface - ftdi_set_interface(&ftdic, INTERFACE_ANY); + ftdi_set_interface(ftdi, INTERFACE_ANY); // Open device - f = ftdi_usb_open_desc(&ftdic, vid, pid, desc, serial); + f = ftdi_usb_open_desc(ftdi, vid, pid, desc, serial); if (f < 0) { fprintf(stderr, "Device VID 0x%04x PID 0x%04x", vid, pid); @@ -87,65 +86,61 @@ int main(int argc, char **argv) fprintf(stderr, " Serial %s", serial); fprintf(stderr, "\n"); fprintf(stderr, "unable to open ftdi device: %d (%s)\n", - f, ftdi_get_error_string(&ftdic)); + f, ftdi_get_error_string(ftdi)); exit(-1); } if (erase) { - ftdi_eeprom_setsize(&ftdic, &eeprom, 2048); - f = ftdi_erase_eeprom(&ftdic); + f = ftdi_erase_eeprom(ftdi); if (f < 0) { fprintf(stderr, "Erase failed: %s", - ftdi_get_error_string(&ftdic)); + ftdi_get_error_string(ftdi)); return -2; } - if (ftdic.eeprom->chip == -1) + if (ftdi->eeprom->chip == -1) fprintf(stderr, "No EEPROM\n"); - else if (ftdic.eeprom->chip == 0) + else if (ftdi->eeprom->chip == 0) fprintf(stderr, "Internal EEPROM\n"); else - fprintf(stderr, "Found 93x%02x\n",ftdic.eeprom->chip); + fprintf(stderr, "Found 93x%02x\n",ftdi->eeprom->chip); return 0; } - size = 2048; - memset(buf,0, size); - ftdic.eeprom = &eeprom; if(use_defaults) { - ftdi_eeprom_initdefaults(&ftdic); - ftdic.eeprom->manufacturer="IKDA"; - ftdic.eeprom->product="CPS-CONN"; - ftdic.eeprom->serial="0001"; - ftdic.eeprom->chip= large_chip; - ftdic.eeprom->cbus_function[0]= CBUS_BB_RD; - ftdic.eeprom->cbus_function[1]= CBUS_CLK48; - ftdic.eeprom->cbus_function[2]= CBUS_IOMODE; - ftdic.eeprom->cbus_function[3]= CBUS_BB; - ftdic.eeprom->cbus_function[4]= CBUS_CLK6; - f=(ftdi_eeprom_build(&ftdic, buf)); + ftdi_eeprom_initdefaults(ftdi); + ftdi->eeprom->manufacturer="IKDA"; + ftdi->eeprom->product="CPS-CONN"; + ftdi->eeprom->serial="0001"; + ftdi->eeprom->chip= (large_chip)?0x66:0; + f=(ftdi_eeprom_build(ftdi)); if (f < 0) { fprintf(stderr, "ftdi_eeprom_build: %d (%s)\n", - f, ftdi_get_error_string(&ftdic)); + f, ftdi_get_error_string(ftdi)); exit(-1); } } else { - f = ftdi_read_eeprom(&ftdic, buf); + f = ftdi_read_eeprom(ftdi); if (f < 0) { fprintf(stderr, "ftdi_read_eeprom: %d (%s)\n", - f, ftdi_get_error_string(&ftdic)); + f, ftdi_get_error_string(ftdi)); exit(-1); } } - fprintf(stderr, "Chip type %d ftdi_eeprom_size: %d\n", ftdic.type, ftdic.eeprom->size); - for(i=0; i < ftdic.eeprom->size; i += 16) + fprintf(stderr, "Chip type %d ftdi_eeprom_size: %d\n", ftdi->type, ftdi->eeprom->size); + buf = ftdi->eeprom->buf; + if (ftdi->type == TYPE_R) + size = 0xa0; + else + size = ftdi->eeprom->size; + for(i=0; i < size; i += 16) { fprintf(stdout,"0x%03x:", i); @@ -163,14 +158,14 @@ int main(int argc, char **argv) fprintf(stdout,"\n"); } - f = ftdi_eeprom_decode(&ftdic,buf, size, 1); + f = ftdi_eeprom_decode(ftdi, 1); { fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n", - f, ftdi_get_error_string(&ftdic)); + f, ftdi_get_error_string(ftdi)); exit(-1); } - ftdi_usb_close(&ftdic); - ftdi_deinit(&ftdic); + ftdi_usb_close(ftdi); + ftdi_free(ftdi); }