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em100.c
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/*
* Copyright 2012-2015 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <signal.h>
#include <getopt.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
#include <sys/stat.h>
#include <wordexp.h>
#include "em100.h"
TFILE *configs;
char *database_version;
int debug = 0;
volatile int do_exit_flag = 0;
static void exit_handler(int sig __unused)
{
do_exit_flag = 1;
}
struct em100_hold_pin_states {
const char *description;
int value;
};
static const struct em100_hold_pin_states hold_pin_states[] = {
{ "FLOAT", 0x2 },
{ "LOW", 0x0 },
{ "INPUT", 0x3 },
{ NULL, 0x0 },
};
/* High Level functions */
static int set_state(struct em100 *em100, int run)
{
int retval = write_fpga_register(em100, 0x28, run & 1);
if (retval)
printf("%s EM100Pro\n", run ? "Started" : "Stopped");
return retval;
}
static void get_current_state(struct em100 *em100)
{
uint16_t state;
if (read_fpga_register(em100, 0x28, &state))
printf("EM100Pro currently %s\n", state ? "running" : "stopped");
else
printf("EM100Pro state unknown\n");
}
static const char *get_pin_string(int pin) {
switch (pin) {
case 0:
return ("low");
break;
case 2:
return ("float");
break;
case 3:
return ("input");
break;
}
return ("unknown");
}
static void get_current_pin_state(struct em100 *em100)
{
uint16_t val = 0xffff;
read_fpga_register(em100, 0x2a, &val);
printf("EM100Pro hold pin currently %s\n", get_pin_string(val));
}
static int set_hold_pin_state(struct em100 *em100, int pin_state)
{
uint16_t val;
/* Read and acknowledge hold pin state setting bit 2 of pin state response. */
if (!read_fpga_register(em100, 0x2a, &val)) {
printf("Couldn't get hold pin state.\n");
return 0;
}
write_fpga_register(em100, 0x2a, (1 << 2) | val);
if (!read_fpga_register(em100, 0x2a, &val)) {
printf("Couldn't get hold pin state.\n");
return 0;
}
/* Now set desired pin state. */
write_fpga_register(em100, 0x2a, pin_state);
/* Read the pin state. */
if (!read_fpga_register(em100, 0x2a, &val)) {
printf("Couldn't get hold pin state.\n");
return 0;
}
if (val != pin_state) {
printf("Invalid pin state response: 0x%04x %s"
" (expected 0x%04x %s)\n", val,
get_pin_string(val), pin_state,
get_pin_string(pin_state));
return 0;
}
printf("Hold pin state set to %s\n", get_pin_string(val));
return 1;
}
static int set_hold_pin_state_from_str(struct em100 *em100, const char *state)
{
int pin_state;
const struct em100_hold_pin_states *s = &hold_pin_states[0];
while (s->description != NULL) {
if (!strcasecmp(s->description, state))
break;
s++;
}
if (s->description == NULL) {
printf("Invalid hold pin state: %s\n", state);
return 0;
}
pin_state = s->value;
return set_hold_pin_state(em100, pin_state);
}
static int set_fpga_voltage(struct em100 *em100, int voltage_code)
{
int val;
if (!fpga_reconfigure(em100)) {
printf("Couldn't reconfigure FPGA.\n");
return 0;
}
if (!fpga_set_voltage(em100, voltage_code)) {
printf("Couldn't set FPGA voltage.\n");
return 0;
}
/* Must wait 2s before issuing any other USB comand */
sleep(2);
if (!fpga_get_voltage(em100, &val)) {
printf("Couldn't get FPGA voltage.\n");
return 0;
}
if (val != voltage_code) {
printf("Invalid voltage response: %#x (expected %#x)\n", val,
voltage_code);
return 0;
}
printf("Voltage set to %s\n", val == 18 ? "1.8" : "3.3");
return 1;
}
static int set_fpga_voltage_from_str(struct em100 *em100,
const char *voltage_str)
{
int voltage_code;
if (!strcmp(voltage_str, "3.3"))
voltage_code = 33;
else if (!strcmp(voltage_str, "1.8"))
voltage_code = 18;
else {
printf("Invalid voltage, use 1.8 or 3.3.\n");
return 0;
}
return set_fpga_voltage(em100, voltage_code);
}
/**
* get_device_info: fetch device's serial number and hardware version
* @param em100: initialized em100 device structure
*/
static int get_device_info(struct em100 *em100)
{
unsigned char data[256];
if (read_spi_flash_page(em100, 0x1fff00, data)) {
em100->serialno = (data[5] << 24) | (data[4] << 16) | \
(data[3] << 8) | data[2];
em100->hwversion = data[1];
return 1;
}
return 0;
}
static int set_serialno(struct em100 *em100, unsigned int serialno)
{
unsigned char data[512];
unsigned int old_serialno;
if (!read_spi_flash_page(em100, 0x1fff00, data))
return 0;
old_serialno = (data[5] << 24) | (data[4] << 16) | \
(data[3] << 8) | data[2];
if (old_serialno == serialno) {
printf("Serial number unchanged.\n");
return 1;
}
data[2] = serialno;
data[3] = serialno >> 8;
data[4] = serialno >> 16;
data[5] = serialno >> 24;
if (old_serialno != 0xffffffff) {
/* preserve magic */
read_spi_flash_page(em100, 0x1f0000, data + 256);
/* Unlock and erase sector. Reading
* the SPI flash ID is requires to
* actually unlock the chip.
*/
unlock_spi_flash(em100);
get_spi_flash_id(em100);
erase_spi_flash_sector(em100, 0x1f);
/* write back magic */
write_spi_flash_page(em100, 0x1f0000, data + 256);
}
if (!write_spi_flash_page(em100, 0x1fff00, data)) {
printf("Error: Could not write SPI flash.\n");
return 0;
}
/* Re-read serial number */
get_device_info(em100);
if (em100->serialno != 0xffffffff)
printf("New serial number: %s%06d\n",
em100->hwversion == HWVERSION_EM100PRO_EARLY ? "DP" : "EM",
em100->serialno);
else
printf("New serial number: N.A.\n");
return 1;
}
static int em100_debug(struct em100 *em100)
{
int i;
printf("\nVoltages:\n");
set_led(em100, both_off);
printf(" 1.2V: %dmV\n", get_voltage(em100, in_v1_2));
printf(" E_VCC: %dmV\n", get_voltage(em100, in_e_vcc));
set_led(em100, both_on);
printf(" REF+: %dmV\n", get_voltage(em100, in_ref_plus));
printf(" REF-: %dmV\n", get_voltage(em100, in_ref_minus));
set_led(em100, red_on);
printf(" Buffer VCC: %dmV\n", get_voltage(em100, in_buffer_vcc));
printf(" Trig VCC: %dmV\n", get_voltage(em100, in_trigger_vcc));
set_led(em100, both_on);
printf(" RST VCC: %dmV\n", get_voltage(em100, in_reset_vcc));
printf(" 3.3V: %dmV\n", get_voltage(em100, in_v3_3));
set_led(em100, red_on);
printf(" Buffer 3.3V: %dmV\n", get_voltage(em100, in_buffer_v3_3));
printf(" 5V: %dmV\n", get_voltage(em100, in_v5));
set_led(em100, green_on);
printf("\nFPGA registers:");
for (i = 0; i < 256; i += 2) {
uint16_t val;
if ((i % 16) == 0)
printf("\n %04x: ", i);
if (read_fpga_register(em100, i, &val))
printf("%04x ", val);
else
printf("XXXX ");
}
printf("\n");
return 1;
}
static int check_status(struct em100 *em100)
{
int spi_flash_id;
spi_flash_id = get_spi_flash_id(em100);
/* Check for Micron (formerly Numonyx, formerly STMicro)
* M25P16 spi flash part
*/
if (spi_flash_id == 0x202015)
return 1;
return 0;
}
static int em100_init(struct em100 *em100, libusb_context *ctx,
libusb_device_handle *dev)
{
if (libusb_kernel_driver_active(dev, 0) == 1) {
if (libusb_detach_kernel_driver(dev, 0) != 0) {
printf("Could not detach kernel driver.\n");
return 0;
}
}
if (libusb_claim_interface(dev, 0) < 0) {
printf("Could not claim interface.\n");
return 0;
}
em100->dev = dev;
em100->ctx = ctx;
if (!check_status(em100)) {
printf("Device status unknown.\n");
return 0;
}
if (!get_version(em100)) {
printf("Failed to fetch version information.\n");
return 0;
}
if (!get_device_info(em100)) {
printf("Failed to fetch serial number and hardware version.\n");
return 0;
}
return 1;
}
static int em100_attach(struct em100 *em100, int bus, int device,
uint32_t serial_number)
{
libusb_device_handle *dev = NULL;
libusb_context *ctx = NULL;
if (libusb_init(&ctx) < 0) {
printf("Could not init libusb.\n");
return 0;
}
#if LIBUSB_API_VERSION < 0x01000106
libusb_set_debug(ctx, 3);
#else
libusb_set_option(ctx, LIBUSB_OPTION_LOG_LEVEL, 3);
#endif
if ((!bus || !device) && !serial_number) {
dev = libusb_open_device_with_vid_pid(ctx, 0x4b4, 0x1235);
} else {
libusb_device **devs, *d;
int i;
if (libusb_get_device_list(ctx, &devs) < 0) {
printf("Could not find USB devices.\n");
return 0;
}
for (i = 0; (d = devs[i]) != NULL; i++) {
if ((bus > 0 && (libusb_get_bus_number(d) == bus)) &&
(device > 0 &&
(libusb_get_device_address(d) == device))) {
struct libusb_device_descriptor desc;
libusb_get_device_descriptor(d, &desc);
if (desc.idVendor == 0x4b4 &&
desc.idProduct == 0x1235) {
if (libusb_open(d, &dev)) {
printf("Couldn't open EM100pro"
" device.\n");
return 0;
}
} else {
printf("USB device on bus %03d:%02d is"
" not an EM100pro.\n",
bus, device);
return 0;
}
break;
}
if (serial_number) {
struct libusb_device_descriptor desc;
libusb_get_device_descriptor(d, &desc);
if (desc.idVendor == 0x4b4 &&
desc.idProduct == 0x1235) {
if (libusb_open(d, &dev)) {
printf("Couldn't open EM100pro"
" device.\n");
continue;
}
if (!dev) {
printf("Couldn't open EM100pro"
" device.\n");
continue;
}
if (em100_init(em100, ctx, dev) &&
(serial_number == em100->serialno))
break;
libusb_release_interface(dev, 0);
libusb_close(dev);
em100->dev = NULL;
em100->ctx = NULL;
em100->serialno = 0;
dev = NULL;
}
}
}
libusb_free_device_list(devs, 1);
}
if (!dev) {
if (bus && device)
printf("Could not find EM100pro at %03d:%03d.\n", bus, device);
else if (serial_number)
printf("Could not find EM100pro with serial number EM%06d.\n",
serial_number);
else
printf("Could not find EM100pro device.\n");
return 0;
}
return em100_init(em100, ctx, dev);
}
static int em100_detach(struct em100 *em100)
{
if (libusb_release_interface(em100->dev, 0) != 0) {
printf("Releasing interface failed.\n");
return 1;
}
libusb_close(em100->dev);
libusb_exit(em100->ctx);
return 0;
}
static int em100_list(void)
{
struct em100 em100;
libusb_device **devs, *dev;
libusb_context *ctx = NULL;
int i, count = 0;
if (libusb_init(&ctx) < 0) {
printf("Could not init libusb.\n");
return 0;
}
#if LIBUSB_API_VERSION < 0x01000106
libusb_set_debug(ctx, 3);
#else
libusb_set_option(ctx, LIBUSB_OPTION_LOG_LEVEL, 3);
#endif
if (libusb_get_device_list(ctx, &devs) < 0) {
printf("Could not find USB devices.\n");
return 0;
}
for (i = 0; (dev = devs[i]) != NULL; i++) {
struct libusb_device_descriptor desc;
libusb_get_device_descriptor(dev, &desc);
if (desc.idVendor != 0x4b4 || desc.idProduct != 0x1235)
continue;
if (!em100_attach(&em100, libusb_get_bus_number(dev),
libusb_get_device_address(dev), 0)) {
printf("Could not read from EM100 at Bus %03d Device"
" %03d\n", libusb_get_bus_number(dev),
libusb_get_device_address(dev));
continue;
}
printf(" Bus %03d Device %03d: EM100pro %s%06d\n",
libusb_get_bus_number(dev),
libusb_get_device_address(dev),
em100.hwversion == HWVERSION_EM100PRO_EARLY ? "DP" : "EM",
em100.serialno);
em100_detach(&em100);
count++;
}
if (count == 0)
printf("No EM100pro devices found.\n");
libusb_exit(ctx);
return 1;
}
static int set_chip_type(struct em100 *em100, const chipdesc *desc)
{
unsigned char cmd[16];
/* result counts unsuccessful send_cmd()s.
* These are then converted in a boolean success value
*/
int result = 0;
int i;
int fpga_voltage, chip_voltage = 0;
int req_voltage = 0;
printf("Configuring SPI flash chip emulation.\n");
memset(cmd, 0, 16);
fpga_voltage = em100->fpga & 0x8000 ? 1800 : 3300;
for (i = 0; i < desc->init_len; i++) {
if(desc->init[i][0] != 0x11 || desc->init[i][1] != 0x04)
continue;
chip_voltage = (desc->init[i][2] << 8) | desc->init[i][3];
switch (chip_voltage) {
case 1601: /* 1.65V-2V */
case 1800:
if (fpga_voltage == 3300)
req_voltage = 18;
break;
case 2500: /* supported by both 1.8V and 3.3V FPGA */
break;
case 3300:
if (fpga_voltage == 1800)
req_voltage = 33;
}
break;
}
if (req_voltage) {
if (!set_fpga_voltage(em100, req_voltage)) {
printf("Error: The current FPGA firmware (%.1fV) does "
"not support %s %s (%.1fV)\n",
(float)fpga_voltage / 1000, desc->vendor,
desc->name, (float)chip_voltage / 1000);
return 0;
}
}
for (i = 0; i < desc->init_len; i++) {
memcpy(&cmd[0], &desc->init[i][0], BYTES_PER_INIT_ENTRY);
result += !send_cmd(em100->dev, cmd);
}
/*
* Set FPGA registers as the Dediprog software does:
* 0xc4 is set every time the chip type is updated
* 0x10 and 0x81 are set once when the software is initialized.
*/
write_fpga_register(em100, 0xc4, 0x01);
write_fpga_register(em100, 0x10, 0x00);
write_fpga_register(em100, 0x81, 0x00);
return !result;
}
/**
* Searches for a specific FPGA register in the chip initialisation
* sequence and returns the value in out.
*
* @reg1: e.g. FPGA write command (0x23)
* @reg2: e.g. FPGA register
*
* Returns 0 on success.
*/
static int get_chip_init_val(const chipdesc *desc,
const uint8_t reg1,
const uint8_t reg2,
uint16_t *out)
{
int i;
for (i = 0; i < desc->init_len; i++) {
if (desc->init[i][0] == reg1 && desc->init[i][1] == reg2) {
*out = (desc->init[i][2] << 8) | desc->init[i][3];
return 0;
}
}
return 1;
}
typedef struct {
uint16_t venid;
uint16_t devid;
int found;
chipdesc chip;
} vendev_t;
static int get_chip_type_entry(char *name __unused, TFILE *dcfg, void *data, int ok __unused)
{
uint16_t comp;
chipdesc chip;
vendev_t *v = (vendev_t *)data;
parse_dcfg(&chip, dcfg);
if (get_chip_init_val(&chip, 0x23, FPGA_REG_DEVID, &comp) || v->devid != comp)
return 0;
if (get_chip_init_val(&chip, 0x23, FPGA_REG_VENDID, &comp) || v->venid != comp)
return 0;
v->found = 1;
v->chip = chip;
return 1;
}
/**
* Tries to identify the currently emulated SPI flash by looking at
* known registers in the FPGA and matches those bits with the
* chip initialisation sequence.
*
* Returns 0 on success.
*/
static int get_chip_type(struct em100 *em100, chipdesc *out)
{
vendev_t v;
/* Read manufacturer and vendor id from FPGA */
if (!read_fpga_register(em100, FPGA_REG_VENDID, &v.venid))
return 1;
if (!read_fpga_register(em100, FPGA_REG_DEVID, &v.devid))
return 1;
tar_for_each(configs, get_chip_type_entry, (void *)&v);
if (!v.found)
return 1;
*out = v.chip;
return 0;
}
static int list_chips_entry(char *name __unused, TFILE *file, void *data __unused, int ok __unused)
{
static chipdesc chip;
/* Is the file a dcfg file? Then print the name, otherwise skip. */
if (!parse_dcfg(&chip, file))
printf(" • %s %s\n", chip.vendor, chip.name);
return 0;
}
static chipdesc *setup_chips(const char *desiredchip)
{
static chipdesc chip;
char *configs_name = get_em100_file("configs.tar.xz");
configs = tar_load_compressed(configs_name);
free(configs_name);
if (!configs) {
printf("Can't find chip configs in $EM100_HOME/configs.tar.xz.\n"
"Please run: em100 --update-files.\n");
return NULL;
}
TFILE *version = tar_find(configs,"configs/VERSION", 1);
if (!version) {
printf("Can't find VERSION of chip configs.\n");
return NULL;
}
database_version = (char *)version->address;
tar_close(version);
if (desiredchip) {
char chipname[256];
sprintf(chipname, "configs/%s.cfg", desiredchip);
TFILE *dcfg = tar_find(configs, chipname, 0);
if (!dcfg) {
printf("Supported chips:\n\n");
tar_for_each(configs, list_chips_entry, NULL);
printf("\nCould not find a chip matching '%s' to be emulated.\n",
desiredchip);
return NULL;
}
parse_dcfg(&chip, dcfg);
tar_close(dcfg);
return &chip;
}
return NULL;
}
static char *get_em100_home(void)
{
static char directory[FILENAME_BUFFER_SIZE] = "\0";
if (directory[0] != 0)
return directory;
/* find out file */
wordexp_t p;
char *em100_home = getenv("EM100_HOME");
if (em100_home)
wordexp("$EM100_HOME/", &p, 0);
else
wordexp("$HOME/.em100/", &p, 0);
strncpy(directory, p.we_wordv[0], FILENAME_BUFFER_SIZE - 1);
wordfree(&p);
DIR *dir = opendir(directory);
if (dir) {
/* success */
closedir(dir);
} else if (errno == ENOENT) {
if (mkdir(directory, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
perror(directory);
directory[0]=0;
return NULL;
}
} else {
perror("EM100_HOME inaccessible");
directory[0]=0;
return NULL;
}
return directory;
}
char *get_em100_file(const char *name)
{
char file[FILENAME_BUFFER_SIZE + 1];
strncpy(file, get_em100_home(), FILENAME_BUFFER_SIZE);
strncat(file, name, FILENAME_BUFFER_SIZE - strlen(file) - 1);
return strdup(file);
}
static const struct option longopts[] = {
{"set", 1, 0, 'c'},
{"download", 1, 0, 'd'},
{"start-address", 1, 0, 'a'},
{"start", 0, 0, 'r'},
{"stop", 0, 0, 's'},
{"verify", 0, 0, 'v'},
{"holdpin", 1, 0, 'p'},
{"debug", 0, 0, 'D'},
{"help", 0, 0, 'h'},
{"trace", 0, 0, 't'},
{"offset", 1, 0, 'O'},
{"set-serialno", 1, 0, 'S'},
{"firmware-update", 1, 0, 'F'},
{"firmware-dump", 1, 0, 'f'},
{"firmware-write", 1, 0, 'g'},
{"device", 1, 0, 'x'},
{"list-devices", 0, 0, 'l'},
{"update-files", 0, 0, 'U'},
{"terminal", 0, 0, 'T'},
{"compatible", 0, 0, 'C'},
{NULL, 0, 0, 0}
};
static void usage(char *name)
{
printf("em100: EM100pro command line utility\n\nExample:\n"
" %s --stop --set M25P80 -d file.bin -v --start -t -O 0xfff00000\n"
"\nUsage:\n"
" -c|--set CHIP: select chip emulation\n"
" -d|--download FILE: download FILE into EM100pro\n"
" -a|--start address: only works with -d (E.g. -d file.bin -a 0x300000)\n"
" -u|--upload FILE: upload from EM100pro into FILE\n"
" -r|--start: em100 shall run\n"
" -s|--stop: em100 shall stop\n"
" -v|--verify: verify EM100 content matches the file\n"
" -t|--trace: trace mode\n"
" -O|--offset HEX_VAL: address offset for trace mode\n"
" -T|--terminal: terminal mode\n"
" -F|--firmware-update FILE|auto: update EM100pro firmware (dangerous)\n"
" -f|--firmware-dump FILE: export raw EM100pro firmware to file\n"
" -g|--firmware-write FILE: export EM100pro firmware to DPFW file\n"
" -S|--set-serialno NUM: set serial number to NUM\n"
" -V|--set-voltage [1.8|3.3] switch FPGA voltage\n"
" -p|--holdpin [LOW|FLOAT|INPUT]: set the hold pin state\n"
" -x|--device BUS:DEV use EM100pro on USB bus/device\n"
" -x|--device EMxxxxxx use EM100pro with serial no EMxxxxxx\n"
" -l|--list-devices list all connected EM100pro devices\n"
" -U|--update-files update device (chip) and firmware database\n"
" -C|--compatible enable compatibility mode (patch image for EM100Pro)\n"
" -D|--debug: print debug information.\n"
" -h|--help: this help text\n\n",
name);
}
int main(int argc, char **argv)
{
int opt, idx;
const char *desiredchip = NULL;
const char *serialno = NULL;
const char *filename = NULL, *read_filename = NULL;
const char *firmware_in = NULL, *firmware_out = NULL;
const char *holdpin = NULL;
int do_start = 0, do_stop = 0;
int verify = 0, trace = 0, terminal=0;
int compatibility = 0;
int bus = 0, device = 0;
int firmware_is_dpfw = 0;
unsigned int serial_number = 0;
unsigned long address_offset = 0;
unsigned int spi_start_address = 0;
const char *voltage = NULL;
while ((opt = getopt_long(argc, argv, "c:d:a:u:rsvtO:F:f:g:S:V:p:DCx:lUhT",
longopts, &idx)) != -1) {
switch (opt) {
case 'c':
desiredchip = optarg;
break;
case 'd':
filename = optarg;
/* TODO: check that file exists */
break;
case 'a':
sscanf(optarg, "%x", &spi_start_address);
printf("SPI address: 0x%08x\n", spi_start_address);
break;
case 'u':
read_filename = optarg;
break;
case 'V':
voltage = optarg;
break;
case 'p':
holdpin = optarg;
break;
case 'r':
do_start = 1;
break;
case 's':
do_stop = 1;
break;
case 'v':
verify = 1;
break;
case 't':
trace = 1;
break;
case 'O':
sscanf(optarg, "%lx", &address_offset);
printf("Address offset: 0x%08lx\n", address_offset);
break;
case 'T':
terminal = 1;
break;
case 'S':
serialno = optarg;
break;
case 'D':
debug=1;
break;
case 'F':
firmware_in = optarg;
break;
case 'f':
firmware_out = optarg;
break;
case 'g':
firmware_out = optarg;
firmware_is_dpfw = 1;
break;
case 'x':
if (((optarg[0] == 'D' || optarg[0] == 'd') &&
(optarg[1] == 'P' || optarg[1] == 'p')) ||
((optarg[0] == 'E' || optarg[0] == 'e') &&
(optarg[1] == 'M' || optarg[1] == 'm')))
sscanf(optarg + 2, "%d", &serial_number);
else
sscanf(optarg, "%d:%d", &bus, &device);
break;
case 'l':
em100_list();
return 0;
case 'U':
update_all_files();
return 0;
case 'C':
compatibility = 1;
break;
default:
case 'h':
usage(argv[0]);
return 0;
}
}
struct em100 em100;
if (!em100_attach(&em100, bus, device, serial_number)) {
return 1;
}
const chipdesc *chip = setup_chips(desiredchip);
if (desiredchip && !chip)
return 1;
if (em100.hwversion == HWVERSION_EM100PRO || em100.hwversion == HWVERSION_EM100PRO_EARLY) {
printf("MCU version: %d.%02d\n", em100.mcu >> 8, em100.mcu & 0xff);
/* While the Dediprog software for Windows will refuse to work
* with 1.8V chips on older FPGA versions, it does not
* specifically output a voltage when reporting the FPGA
* version. We emulate this behavior here. Version 0.51 is
* known to behave the old way, 0.75 is behaving the new
* way.
*/
if (em100.fpga > 0x0033) /* 0.51 */
printf("FPGA version: %d.%02d (%s)\n",
em100.fpga >> 8 & 0x7f, em100.fpga & 0xff,
em100.fpga & 0x8000 ? "1.8V" : "3.3V");
else
printf("FPGA version: %d.%02d\n", em100.fpga >> 8,
em100.fpga & 0xff);
} else {/* EM100Pro-G2 */
printf("MCU version: %d.%d\n", em100.mcu >> 8, em100.mcu & 0xff);
printf("FPGA version: %d.%03d\n",
em100.fpga >> 8 & 0x7f, em100.fpga & 0xff);
}
printf("Hardware version: %u\n", em100.hwversion);
if (em100.serialno != 0xffffffff)
printf("Serial number: %s%06d\n",
em100.hwversion == HWVERSION_EM100PRO_EARLY ? "DP" : "EM", em100.serialno);
else
printf("Serial number: N.A.\n");
printf("SPI flash database: %s\n", database_version);
get_current_state(&em100);
get_current_pin_state(&em100);
printf("\n");
if (debug) {
em100_debug(&em100);
}
if (firmware_in) {
firmware_update(&em100, firmware_in, verify);
return em100_detach(&em100);
}
if (firmware_out) {
firmware_dump(&em100, firmware_out, firmware_is_dpfw);
return em100_detach(&em100);
}
if (serialno) {
int offset = 0;
/* if the user specified a serial containing DP, skip that */
if ((serialno[0] == 'D' || serialno[0] == 'd') &&
(serialno[1] == 'P' || serialno[1] == 'p'))
offset = 2;
/* if the user specified a serial containing EM, skip that */
if ((serialno[0] == 'E' || serialno[0] == 'e') &&
(serialno[1] == 'M' || serialno[1] == 'm'))
offset = 2;
if (sscanf(serialno + offset, "%d", &serial_number) != 1)
printf("Error: Can't parse serial number '%s'\n",
serialno);
else
set_serialno(&em100, serial_number);
return em100_detach(&em100);
}
if (do_stop) {
set_state(&em100, 0);
}
if (desiredchip) {
if (!set_chip_type(&em100, chip)) {
printf("Failed configuring chip type.\n");
return 0;
}
printf("Chip set to %s %s.\n", chip->vendor, chip->name);
}
if (voltage) {
if (!set_fpga_voltage_from_str(&em100, voltage)) {
printf("Failed configuring FPGA voltage.\n");
return 1;
}