1 files changed, 79 insertions, 0 deletions
diff --git a/util/prog.c b/util/prog.c
new file mode 100644
index 0000000..0227682
--- /dev/null
+++ b/util/prog.c
@@ -0,0 +1,79 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ftdi.h>
+
+#define FTDI_MAX_EEPROM_SIZE 256
+
+int main(int argc, char *argv[]) {
+    int ret;
+    int val;
+    struct ftdi_context *ftdi;
+    struct ftdi_version_info version;
+    unsigned char buf[FTDI_MAX_EEPROM_SIZE];
+
+    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, 0x6015)) < 0) {
+        fprintf(stderr, "Unable to open ftdi device: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
+        ftdi_free(ftdi);
+        return EXIT_FAILURE;
+    }
+
+    ret = ftdi_read_eeprom(ftdi);
+    if (ret < 0) goto ftdi_fin;
+
+    ret = ftdi_eeprom_decode(ftdi, 1);
+    if (ret < 0) goto ftdi_fin;
+
+    ftdi_get_eeprom_value(ftdi, SELF_POWERED, &val);
+    printf("POWER: %x\n", val);
+    ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_0, &val);
+    printf("CBUS0: %d\n", val);
+    ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_1, &val);
+    printf("CBUS1: %d\n", val);
+    ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_2, &val);
+    printf("CBUS2: %d\n", val);
+    ftdi_get_eeprom_value(ftdi, CBUS_FUNCTION_3, &val);
+    printf("CBUS3: %d\n", val);
+
+    ftdi_set_eeprom_value(ftdi, SELF_POWERED, 1);
+    ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_0, CBUSX_PWREN);
+    ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_1, CBUSX_IOMODE);
+    /* next rev hw
+    ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_3, CBUSX_VBUS_SENSE);
+    */
+    ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_2, CBUSX_TRISTATE);
+    ftdi_set_eeprom_value(ftdi, CBUS_FUNCTION_3, CBUSX_TRISTATE);
+
+    ret = ftdi_eeprom_build(ftdi);
+    if (ret < 0) goto ftdi_fin;
+
+    ret = ftdi_get_eeprom_buf(ftdi, buf, FTDI_MAX_EEPROM_SIZE);
+    if (ret < 0) goto ftdi_fin;
+
+    printf("MISC: %x\n", *buf);
+
+    if ((argc > 1) && (strcmp(argv[1], "do") == 0)) {
+        ret = ftdi_write_eeprom(ftdi);
+        if (ret < 0) goto ftdi_fin;
+    }
+
+    ret = ftdi_usb_close(ftdi);
+
+ftdi_fin:
+    if (ret < 0) {
+        fprintf(stderr, "ERR: %d (%s)\n", ret, ftdi_get_error_string(ftdi));
+    }
+    ftdi_free(ftdi);
+
+    return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}