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trezor-firmware/embed/prodtest/main.c

360 lines
8.6 KiB
C
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/*
* Copyright (c) Jan Pochyla, SatoshiLabs
*
* Licensed under TREZOR License
* see LICENSE file for details
*/
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include STM32_HAL_H
#include "common.h"
#include "display.h"
#include "flash.h"
#include "mini_printf.h"
#include "rng.h"
#include "sbu.h"
#include "sdcard.h"
#include "secbool.h"
#include "touch.h"
#include "usb.h"
enum { VCP_IFACE = 0x00 };
static void vcp_intr(void)
{
display_clear();
ensure(secfalse, "vcp_intr");
}
static void vcp_puts(const char *s, size_t len)
{
int r = usb_vcp_write_blocking(VCP_IFACE, (const uint8_t *) s, len, -1);
(void)r;
}
static char vcp_getchar(void)
{
uint8_t c = 0;
int r = usb_vcp_read_blocking(VCP_IFACE, &c, 1, -1);
(void)r;
return (char)c;
}
static void vcp_readline(char *buf, size_t len)
{
for (;;) {
char c = vcp_getchar();
if (c == '\r') {
vcp_puts("\r\n", 2);
break;
}
if (c < 32 || c > 126) { // not printable
continue;
}
if (len > 1) { // leave space for \0
*buf = c;
buf++;
len--;
vcp_puts(&c, 1);
}
}
if (len > 0) {
*buf = '\0';
}
}
static void vcp_printf(const char *fmt, ...)
{
static char buf[128];
va_list va;
va_start(va, fmt);
int r = mini_vsnprintf(buf, sizeof(buf), fmt, va);
va_end(va);
vcp_puts(buf, r);
vcp_puts("\r\n", 2);
}
static void usb_init_all(void)
{
enum {
VCP_PACKET_LEN = 64,
VCP_BUFFER_LEN = 1024,
};
static const usb_dev_info_t dev_info = {
.vendor_id = 0x1209,
.product_id = 0x53C1,
.release_num = 0x0200,
.manufacturer = "SatoshiLabs",
.product = "TREZOR",
.serial_number = "000000000000",
.interface = "TREZOR Interface",
};
static uint8_t tx_packet[VCP_PACKET_LEN];
static uint8_t tx_buffer[VCP_BUFFER_LEN];
static uint8_t rx_packet[VCP_PACKET_LEN];
static uint8_t rx_buffer[VCP_BUFFER_LEN];
static const usb_vcp_info_t vcp_info = {
.tx_packet = tx_packet,
.tx_buffer = tx_buffer,
.rx_packet = rx_packet,
.rx_buffer = rx_buffer,
.tx_buffer_len = VCP_BUFFER_LEN,
.rx_buffer_len = VCP_BUFFER_LEN,
.rx_intr_fn = vcp_intr,
.rx_intr_byte = 3, // Ctrl-C
.iface_num = VCP_IFACE,
.data_iface_num = 0x01,
.ep_cmd = 0x82,
.ep_in = 0x81,
.ep_out = 0x01,
.polling_interval = 10,
.max_packet_len = VCP_PACKET_LEN,
};
usb_init(&dev_info);
ensure(usb_vcp_add(&vcp_info), "usb_vcp_add");
usb_start();
}
static void draw_border(int width, int padding)
{
const int W = width, P = padding, RX = DISPLAY_RESX, RY = DISPLAY_RESY;
display_clear();
display_bar(P, P, RX - 2 * P, RY - 2 * P, 0xFFFF);
display_bar(P + W, P + W, RX - 2 * (P + W), RY - 2 * (P + W), 0x0000);
display_refresh();
}
static void test_border(void)
{
draw_border(2, 0);
vcp_printf("OK");
}
static void test_display(const char *colors)
{
display_clear();
size_t l = strlen(colors);
size_t w = DISPLAY_RESX / l;
for (size_t i = 0; i < l; i++) {
uint16_t c = 0x0000; // black
switch (colors[i]) {
case 'R': c = 0xF800; break;
case 'G': c = 0x07E0; break;
case 'B': c = 0x001F; break;
case 'W': c = 0xFFFF; break;
}
display_bar(i * w, 0, i * w + w, 240, c);
}
display_refresh();
vcp_printf("OK");
}
static secbool touch_click_timeout(uint32_t *touch, uint32_t timeout_ms)
{
uint32_t deadline = HAL_GetTick() + timeout_ms;
uint32_t r = 0;
while (touch_read());
while ((touch_read() & TOUCH_START) == 0) {
if (HAL_GetTick() > deadline) return secfalse;
}
while (((r = touch_read()) & TOUCH_END) == 0) {
if (HAL_GetTick() > deadline) return secfalse;
}
while (touch_read());
*touch = r;
return sectrue;
}
static void test_touch(const char *args)
{
int column = args[0] - '0';
int timeout = args[1] - '0';
display_clear();
switch (column) {
case 1: display_bar(0, 0, 120, 120, 0xFFFF); break;
case 2: display_bar(120, 0, 120, 120, 0xFFFF); break;
case 3: display_bar(120, 120, 120, 120, 0xFFFF); break;
default: display_bar(0, 120, 120, 120, 0xFFFF); break;
}
display_refresh();
uint32_t evt = 0;
if (touch_click_timeout(&evt, timeout * 1000)) {
uint16_t x = touch_get_x(evt);
uint16_t y = touch_get_y(evt);
vcp_printf("OK %d %d", x, y);
} else {
vcp_printf("ERROR TIMEOUT");
}
display_clear();
display_refresh();
}
static void test_pwm(const char *args)
{
int v = atoi(args);
display_backlight(v);
display_refresh();
vcp_printf("OK");
}
static void test_sd(void)
{
#define BLOCK_SIZE (32 * 1024)
static uint32_t buf1[BLOCK_SIZE / sizeof(uint32_t)];
static uint32_t buf2[BLOCK_SIZE / sizeof(uint32_t)];
if (sectrue != sdcard_is_present()) {
vcp_printf("ERROR NOCARD");
return;
}
ensure(sdcard_power_on(), NULL);
if (sectrue != sdcard_read_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
vcp_printf("ERROR sdcard_read_blocks (0)");
goto power_off;
}
for (int j = 1; j <= 2; j++) {
for (int i = 0; i < BLOCK_SIZE / sizeof(uint32_t); i++) {
buf1[i] ^= 0xFFFFFFFF;
}
if (sectrue != sdcard_write_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
vcp_printf("ERROR sdcard_write_blocks (%d)", j);
goto power_off;
}
if (sectrue != sdcard_read_blocks(buf2, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
vcp_printf("ERROR sdcard_read_blocks (%d)", j);
goto power_off;
}
if (0 != memcmp(buf1, buf2, sizeof(buf1))) {
vcp_printf("ERROR DATA MISMATCH");
goto power_off;
}
}
vcp_printf("OK");
power_off:
sdcard_power_off();
}
static void test_sbu(const char *args)
{
secbool sbu1 = sectrue * (args[0] == '1');
secbool sbu2 = sectrue * (args[1] == '1');
sbu_set(sbu1, sbu2);
vcp_printf("OK");
}
static void test_otp_read(void)
{
uint8_t data[32];
memset(data, 0, sizeof(data));
ensure(flash_otp_read(0, 0, data, sizeof(data)), NULL);
// strip trailing 0xFF
for (size_t i = 0; i < sizeof(data); i++) {
if (data[i] == 0xFF) {
data[i] = 0x00;
break;
}
}
// use (null) for empty data
if (data[0] == 0x00) {
vcp_printf("OK (null)");
} else {
vcp_printf("OK %s", (const char *) data);
}
}
static void test_otp_write(const char *args)
{
char data[32];
memset(data, 0, sizeof(data));
strncpy(data, args, sizeof(data) - 1);
ensure(flash_otp_write(0, 0, (const uint8_t *) data, sizeof(data)), NULL);
ensure(flash_otp_lock(0), NULL);
vcp_printf("OK");
}
static secbool startswith(const char *s, const char *prefix)
{
return sectrue * (0 == strncmp(s, prefix, strlen(prefix)));
}
#define BACKLIGHT_NORMAL 150
int main(void)
{
display_orientation(0);
sdcard_init();
touch_init();
sbu_init();
usb_init_all();
display_clear();
draw_border(1, 3);
char dom[32];
// format: TREZOR2-YYMMDD
if (sectrue == flash_otp_read(0, 0, (uint8_t *)dom, 32) && 0 == memcmp(dom, "TREZOR2-", 8) && dom[31] == 0) {
display_qrcode(DISPLAY_RESX / 2, DISPLAY_RESY / 2, dom, strlen(dom), 4);
display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 30, dom + 8, -1, FONT_BOLD, COLOR_WHITE, COLOR_BLACK, 0);
}
display_fade(0, BACKLIGHT_NORMAL, 1000);
char line[128];
for (;;) {
vcp_readline(line, sizeof(line));
if (startswith(line, "PING")) {
vcp_printf("OK");
} else if (startswith(line, "BORDER")) {
test_border();
} else if (startswith(line, "DISP ")) {
test_display(line + 5);
} else if (startswith(line, "TOUCH ")) {
test_touch(line + 6);
} else if (startswith(line, "PWM ")) {
test_pwm(line + 4);
} else if (startswith(line, "SD")) {
test_sd();
} else if (startswith(line, "SBU ")) {
test_sbu(line + 4);
} else if (startswith(line, "OTP READ")) {
test_otp_read();
} else if (startswith(line, "OTP WRITE ")) {
test_otp_write(line + 10);
} else {
vcp_printf("UNKNOWN");
}
}
return 0;
}
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