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361 lines
8.7 KiB
361 lines
8.7 KiB
/*
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* Copyright (c) Jan Pochyla, SatoshiLabs
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*
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* Licensed under TREZOR License
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* see LICENSE file for details
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include STM32_HAL_H
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#include "common.h"
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#include "display.h"
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#include "flash.h"
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#include "mini_printf.h"
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#include "rng.h"
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#include "sbu.h"
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#include "sdcard.h"
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#include "secbool.h"
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#include "touch.h"
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#include "usb.h"
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enum { VCP_IFACE = 0x00 };
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static void vcp_intr(void)
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{
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display_clear();
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ensure(secfalse, "vcp_intr");
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}
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static void vcp_puts(const char *s, size_t len)
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{
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int r = usb_vcp_write_blocking(VCP_IFACE, (const uint8_t *) s, len, -1);
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(void)r;
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}
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static char vcp_getchar(void)
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{
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uint8_t c = 0;
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int r = usb_vcp_read_blocking(VCP_IFACE, &c, 1, -1);
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(void)r;
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return (char)c;
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}
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static void vcp_readline(char *buf, size_t len)
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{
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for (;;) {
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char c = vcp_getchar();
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if (c == '\r') {
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vcp_puts("\r\n", 2);
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break;
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}
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if (c < 32 || c > 126) { // not printable
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continue;
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}
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if (len > 1) { // leave space for \0
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*buf = c;
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buf++;
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len--;
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vcp_puts(&c, 1);
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}
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}
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if (len > 0) {
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*buf = '\0';
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}
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}
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static void vcp_printf(const char *fmt, ...)
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{
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static char buf[128];
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va_list va;
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va_start(va, fmt);
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int r = mini_vsnprintf(buf, sizeof(buf), fmt, va);
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va_end(va);
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vcp_puts(buf, r);
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vcp_puts("\r\n", 2);
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}
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static void usb_init_all(void)
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{
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enum {
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VCP_PACKET_LEN = 64,
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VCP_BUFFER_LEN = 1024,
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};
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static const usb_dev_info_t dev_info = {
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.vendor_id = 0x1209,
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.product_id = 0x53C1,
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.release_num = 0x0002,
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.manufacturer = "SatoshiLabs",
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.product = "TREZOR",
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.serial_number = "000000000000",
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.configuration = "",
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.interface = "TREZOR Interface",
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};
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static uint8_t tx_packet[VCP_PACKET_LEN];
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static uint8_t tx_buffer[VCP_BUFFER_LEN];
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static uint8_t rx_packet[VCP_PACKET_LEN];
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static uint8_t rx_buffer[VCP_BUFFER_LEN];
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static const usb_vcp_info_t vcp_info = {
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.tx_packet = tx_packet,
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.tx_buffer = tx_buffer,
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.rx_packet = rx_packet,
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.rx_buffer = rx_buffer,
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.tx_buffer_len = VCP_BUFFER_LEN,
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.rx_buffer_len = VCP_BUFFER_LEN,
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.rx_intr_fn = vcp_intr,
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.rx_intr_byte = 3, // Ctrl-C
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.iface_num = VCP_IFACE,
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.data_iface_num = 0x01,
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.ep_cmd = 0x82,
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.ep_in = 0x81,
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.ep_out = 0x01,
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.polling_interval = 10,
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.max_packet_len = VCP_PACKET_LEN,
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};
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usb_init(&dev_info);
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ensure(usb_vcp_add(&vcp_info), "usb_vcp_add");
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usb_start();
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}
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static void draw_border(int width, int padding)
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{
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const int W = width, P = padding, RX = DISPLAY_RESX, RY = DISPLAY_RESY;
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display_clear();
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display_bar(P, P, RX - 2 * P, RY - 2 * P, 0xFFFF);
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display_bar(P + W, P + W, RX - 2 * (P + W), RY - 2 * (P + W), 0x0000);
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display_refresh();
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}
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static void test_border(void)
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{
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draw_border(2, 0);
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vcp_printf("OK");
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}
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static void test_display(const char *colors)
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{
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display_clear();
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size_t l = strlen(colors);
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size_t w = DISPLAY_RESX / l;
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for (size_t i = 0; i < l; i++) {
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uint16_t c = 0x0000; // black
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switch (colors[i]) {
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case 'R': c = 0xF800; break;
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case 'G': c = 0x07E0; break;
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case 'B': c = 0x001F; break;
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case 'W': c = 0xFFFF; break;
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}
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display_bar(i * w, 0, i * w + w, 240, c);
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}
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display_refresh();
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vcp_printf("OK");
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}
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static secbool touch_click_timeout(uint32_t *touch, uint32_t timeout_ms)
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{
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uint32_t deadline = HAL_GetTick() + timeout_ms;
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uint32_t r = 0;
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while (touch_read());
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while ((touch_read() & TOUCH_START) == 0) {
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if (HAL_GetTick() > deadline) return secfalse;
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}
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while (((r = touch_read()) & TOUCH_END) == 0) {
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if (HAL_GetTick() > deadline) return secfalse;
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}
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while (touch_read());
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*touch = r;
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return sectrue;
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}
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static void test_touch(const char *args)
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{
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int column = args[0] - '0';
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int timeout = args[1] - '0';
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display_clear();
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switch (column) {
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case 1: display_bar(0, 0, 120, 120, 0xFFFF); break;
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case 2: display_bar(120, 0, 120, 120, 0xFFFF); break;
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case 3: display_bar(120, 120, 120, 120, 0xFFFF); break;
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default: display_bar(0, 120, 120, 120, 0xFFFF); break;
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}
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display_refresh();
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uint32_t evt = 0;
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if (touch_click_timeout(&evt, timeout * 1000)) {
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uint16_t x = touch_get_x(evt);
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uint16_t y = touch_get_y(evt);
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vcp_printf("OK %d %d", x, y);
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} else {
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vcp_printf("ERROR TIMEOUT");
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}
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display_clear();
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display_refresh();
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}
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static void test_pwm(const char *args)
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{
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int v = atoi(args);
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display_backlight(v);
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display_refresh();
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vcp_printf("OK");
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}
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static void test_sd(void)
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{
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#define BLOCK_SIZE (32 * 1024)
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static uint32_t buf1[BLOCK_SIZE / sizeof(uint32_t)];
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static uint32_t buf2[BLOCK_SIZE / sizeof(uint32_t)];
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if (sectrue != sdcard_is_present()) {
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vcp_printf("ERROR NOCARD");
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return;
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}
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ensure(sdcard_power_on(), NULL);
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if (sectrue != sdcard_read_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_printf("ERROR sdcard_read_blocks (0)");
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goto power_off;
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}
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for (int j = 1; j <= 2; j++) {
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for (int i = 0; i < BLOCK_SIZE / sizeof(uint32_t); i++) {
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buf1[i] ^= 0xFFFFFFFF;
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}
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if (sectrue != sdcard_write_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_printf("ERROR sdcard_write_blocks (%d)", j);
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goto power_off;
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}
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if (sectrue != sdcard_read_blocks(buf2, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_printf("ERROR sdcard_read_blocks (%d)", j);
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goto power_off;
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}
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if (0 != memcmp(buf1, buf2, sizeof(buf1))) {
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vcp_printf("ERROR DATA MISMATCH");
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goto power_off;
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}
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}
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vcp_printf("OK");
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power_off:
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sdcard_power_off();
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}
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static void test_sbu(const char *args)
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{
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secbool sbu1 = sectrue * (args[0] == '1');
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secbool sbu2 = sectrue * (args[1] == '1');
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sbu_set(sbu1, sbu2);
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vcp_printf("OK");
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}
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static void test_otp_read(void)
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{
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uint8_t data[32];
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memset(data, 0, sizeof(data));
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ensure(flash_otp_read(0, 0, data, sizeof(data)), NULL);
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// strip trailing 0xFF
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for (size_t i = 0; i < sizeof(data); i++) {
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if (data[i] == 0xFF) {
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data[i] = 0x00;
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break;
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}
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}
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// use (null) for empty data
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if (data[0] == 0x00) {
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vcp_printf("OK (null)");
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} else {
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vcp_printf("OK %s", (const char *) data);
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}
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}
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static void test_otp_write(const char *args)
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{
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char data[32];
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memset(data, 0, sizeof(data));
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strncpy(data, args, sizeof(data) - 1);
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ensure(flash_otp_write(0, 0, (const uint8_t *) data, sizeof(data)), NULL);
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ensure(flash_otp_lock(0), NULL);
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vcp_printf("OK");
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}
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static secbool startswith(const char *s, const char *prefix)
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{
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return sectrue * (0 == strncmp(s, prefix, strlen(prefix)));
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}
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#define BACKLIGHT_NORMAL 150
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int main(void)
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{
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display_orientation(0);
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sdcard_init();
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touch_init();
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sbu_init();
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usb_init_all();
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display_clear();
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draw_border(1, 3);
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char dom[32];
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// format: TREZOR2-YYMMDD
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if (sectrue == flash_otp_read(0, 0, (uint8_t *)dom, 32) && 0 == memcmp(dom, "TREZOR2-", 8) && dom[31] == 0) {
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display_qrcode(DISPLAY_RESX / 2, DISPLAY_RESY / 2, dom, strlen(dom), 4);
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display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 30, dom + 8, -1, FONT_BOLD, COLOR_WHITE, COLOR_BLACK, 0);
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}
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display_fade(0, BACKLIGHT_NORMAL, 1000);
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char line[128];
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for (;;) {
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vcp_readline(line, sizeof(line));
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if (startswith(line, "PING")) {
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vcp_printf("OK");
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} else if (startswith(line, "BORDER")) {
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test_border();
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} else if (startswith(line, "DISP ")) {
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test_display(line + 5);
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} else if (startswith(line, "TOUCH ")) {
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test_touch(line + 6);
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} else if (startswith(line, "PWM ")) {
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test_pwm(line + 4);
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} else if (startswith(line, "SD")) {
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test_sd();
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} else if (startswith(line, "SBU ")) {
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test_sbu(line + 4);
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} else if (startswith(line, "OTP READ")) {
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test_otp_read();
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} else if (startswith(line, "OTP WRITE ")) {
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test_otp_write(line + 10);
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} else {
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vcp_printf("UNKNOWN");
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}
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}
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return 0;
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}
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