arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-23 07:58:09 +00:00
Code Issues Releases Wiki Activity
8b9f2a95b3
trezor-firmware/extmod/modTrezorUi/modTrezorUi-display.h

318 lines
12 KiB
C
Raw Blame History

/*
* Copyright (c) Pavol Rusnak, SatoshiLabs
*
* Licensed under Microsoft Reference Source License (Ms-RSL)
* see LICENSE.md file for details
*/
#include "modTrezorUi-inflate.h"
#include "modTrezorUi-font_RobotoMono_Regular.h"
#include "modTrezorUi-font_Roboto_Regular.h"
#include "modTrezorUi-font_Roboto_Bold.h"
#include "trezor-qrenc/qr_encode.h"
// common display functions
static void DATAS(void *bytes, int len) {
const uint8_t *c = (const uint8_t *)bytes;
while (len-- > 0) {
DATA(*c);
c++;
}
}
static void display_bar(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint16_t c) {
display_set_window(x, y, w, h);
for (int i = 0; i < w * h; i++) {
DATA(c >> 8);
DATA(c & 0xFF);
}
display_update();
}
static void display_blit(uint8_t x, uint8_t y, uint8_t w, uint8_t h, void *data, int datalen) {
display_set_window(x, y, w, h);
DATAS(data, datalen);
display_update();
}
static void display_image(uint8_t x, uint8_t y, uint8_t w, uint8_t h, void *data, int datalen) {
display_set_window(x, y, w, h);
sinf_inflate(data, DATAfunc);
display_update();
}
static uint16_t COLORTABLE[16];
static void set_color_table(uint16_t fgcolor, uint16_t bgcolor)
{
uint8_t cr, cg, cb;
for (int i = 0; i < 16; i++) {
cr = (((fgcolor & 0xF800) >> 11) * i + ((bgcolor & 0xF800) >> 11) * (15 - i)) / 15;
cg = (((fgcolor & 0x07E0) >> 5) * i + ((bgcolor & 0x07E0) >> 5) * (15 - i)) / 15;
cb = ((fgcolor & 0x001F) * i + (bgcolor & 0x001F) * (15 - i)) / 15;
COLORTABLE[i] = (cr << 11) | (cg << 5) | cb;
}
}
static void DATAiconmap(uint8_t byte)
{
DATA(COLORTABLE[byte >> 4] >> 8);
DATA(COLORTABLE[byte >> 4] & 0xFF);
DATA(COLORTABLE[byte & 0x0F] >> 8);
DATA(COLORTABLE[byte & 0x0F] & 0xFF);
}
static void display_icon(uint8_t x, uint8_t y, uint8_t w, uint8_t h, void *data, int datalen, uint16_t fgcolor, uint16_t bgcolor) {
display_set_window(x, y, w, h);
set_color_table(fgcolor, bgcolor);
sinf_inflate(data, DATAiconmap);
display_update();
}
// first two bytes are width and height of the glyph
// third, fourth and fifth bytes are advance, bearingX and bearingY of the horizontal metrics of the glyph
// rest is packed 4-bit glyph data
static void display_text(uint8_t x, uint8_t y, uint8_t *text, int textlen, uint8_t font, uint16_t fgcolor, uint16_t bgcolor) {
int xx = x;
const uint8_t *g;
uint8_t c;
set_color_table(fgcolor, bgcolor);
// render glyphs
for (int i = 0; i < textlen; i++) {
if (text[i] >= ' ' && text[i] <= '~') {
c = text[i];
} else
// UTF-8 handling: https://en.wikipedia.org/wiki/UTF-8#Description
if (text[i] >= 0xC0) {
// bytes 11xxxxxx are first byte of UTF-8 characters
c = '_';
} else {
// bytes 10xxxxxx are successive UTF-8 characters
continue;
}
switch (font) {
case 0:
g = Font_RobotoMono_Regular_20[c - ' '];
break;
case 1:
g = Font_Roboto_Regular_20[c - ' '];
break;
case 2:
g = Font_Roboto_Bold_20[c - ' '];
break;
default:
return; // unknown font -> abort
}
// g[0], g[1] = width, height
// g[2] = advance
// g[3], g[4] = bearingX, bearingY
if (g[0] && g[1]) {
display_set_window(xx + (int8_t)(g[3]), y - (int8_t)(g[4]), g[0], g[1]);
for (int j = 0; j < g[0] * g[1]; j++) {
if (j % 2 == 0) {
c = g[5 + j/2] >> 4;
} else {
c = g[5 + j/2] & 0x0F;
}
DATA(COLORTABLE[c] >> 8);
DATA(COLORTABLE[c] & 0xFF);
}
display_update();
}
xx += g[2];
}
}
static void display_qrcode(uint8_t x, uint8_t y, char *data, int datalen, int scale) {
uint8_t bitdata[QR_MAX_BITDATA];
int side = qr_encode(QR_LEVEL_M, 0, data, datalen, bitdata);
display_set_window(x, y, side * scale, side * scale);
for (int i = 0; i < side * scale; i++) {
for (int j = 0; j < side; j++) {
int a = j * side + (i / scale);
if (bitdata[a / 8] & (1 << (7 - a % 8))) {
for (a = 0; a < scale * 2; a++) { DATA(0x00); }
} else {
for (a = 0; a < scale * 2; a++) { DATA(0xFF); }
}
}
}
display_update();
}
static void display_raw(uint8_t reg, uint8_t *data, int datalen)
{
if (reg) {
CMD(reg);
}
DATAS(data, datalen);
}
// class Display(object):
typedef struct _mp_obj_Display_t {
mp_obj_base_t base;
} mp_obj_Display_t;
// def Display.__init__(self)
STATIC mp_obj_t mod_TrezorUi_Display_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
display_init();
mp_obj_Display_t *o = m_new_obj(mp_obj_Display_t);
o->base.type = type;
return MP_OBJ_FROM_PTR(o);
}
// def Display.bar(self, x: int, y: int, w: int, h: int, color: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_bar(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_int_t w = mp_obj_get_int(args[3]);
mp_int_t h = mp_obj_get_int(args[4]);
uint16_t c = mp_obj_get_int(args[5]);
if ((x < 0) || (y < 0) || (x + w > RESX) || (y + h > RESY)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Out of bounds"));
}
display_bar(x, y, w, h, c);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_bar_obj, 6, 6, mod_TrezorUi_Display_bar);
// def Display.blit(self, x: int, y: int, w: int, h: int, data: bytes) -> None
STATIC mp_obj_t mod_TrezorUi_Display_blit(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_int_t w = mp_obj_get_int(args[3]);
mp_int_t h = mp_obj_get_int(args[4]);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[5], &bufinfo, MP_BUFFER_READ);
if (bufinfo.len != 2 * w * h) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Wrong data size (got %d bytes, expected %d bytes)", bufinfo.len, 2 * w * h));
}
display_blit(x, y, w, h, bufinfo.buf, bufinfo.len);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_blit_obj, 6, 6, mod_TrezorUi_Display_blit);
// def Display.image(self, x: int, y: int, image: bytes) -> None
STATIC mp_obj_t mod_TrezorUi_Display_image(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
uint8_t *data = bufinfo.buf;
if (bufinfo.len < 8 || memcmp(data, "TOIa", 4) != 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Invalid image format"));
}
mp_int_t w = (data[4] << 8) | data[5];
mp_int_t h = (data[6] << 8) | data[7];
if ((x < 0) || (y < 0) || (x + w > RESX) || (y + h > RESY)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Out of bounds"));
}
display_image(x, y, w, h, data + 8, bufinfo.len - 8);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_image_obj, 4, 4, mod_TrezorUi_Display_image);
// def Display.icon(self, x: int, y: int, icon: bytes, fgcolor: int, bgcolor: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_icon(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
uint8_t *data = bufinfo.buf;
if (bufinfo.len < 8 || memcmp(data, "TOIg", 4) != 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Invalid image format"));
}
mp_int_t w = (data[4] << 8) | data[5];
mp_int_t h = (data[6] << 8) | data[7];
if ((x < 0) || (y < 0) || (x + w > RESX) || (y + h > RESY)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Out of bounds"));
}
mp_int_t fgcolor = mp_obj_get_int(args[4]);
mp_int_t bgcolor = mp_obj_get_int(args[5]);
display_icon(x, y, w, h, data + 8, bufinfo.len - 8, fgcolor, bgcolor);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_icon_obj, 6, 6, mod_TrezorUi_Display_icon);
// def Display.text(self, x: int, y: int, text: bytes, font: int, fgcolor: int, bgcolor: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_text(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
mp_int_t font = mp_obj_get_int(args[4]);
mp_int_t fgcolor = mp_obj_get_int(args[5]);
mp_int_t bgcolor = mp_obj_get_int(args[6]);
display_text(x, y, bufinfo.buf, bufinfo.len, font, fgcolor, bgcolor);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_text_obj, 7, 7, mod_TrezorUi_Display_text);
// def Display.qrcode(self, x: int, y: int, data: bytes, scale: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_qrcode(size_t n_args, const mp_obj_t *args) {
mp_int_t x = mp_obj_get_int(args[1]);
mp_int_t y = mp_obj_get_int(args[2]);
mp_int_t scale = mp_obj_get_int(args[4]);
if (scale < 1 || scale > 10) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Scale has to be between 1 and 10"));
}
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
display_qrcode(x, y, bufinfo.buf, bufinfo.len, scale);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_TrezorUi_Display_qrcode_obj, 5, 5, mod_TrezorUi_Display_qrcode);
// def Display.orientation(self, degrees: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_orientation(mp_obj_t self, mp_obj_t degrees) {
mp_int_t deg = mp_obj_get_int(degrees);
if (deg != 0 && deg != 90 && deg != 180 && deg != 270) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Value must be 0, 90, 180 or 270"));
}
display_orientation(deg);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorUi_Display_orientation_obj, mod_TrezorUi_Display_orientation);
// def Display.raw(self, reg: int, data: bytes) -> None
STATIC mp_obj_t mod_TrezorUi_Display_raw(mp_obj_t self, mp_obj_t reg, mp_obj_t data) {
mp_int_t r = mp_obj_get_int(reg);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);
display_raw(r, bufinfo.buf, bufinfo.len);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorUi_Display_raw_obj, mod_TrezorUi_Display_raw);
// def Display.backlight(self, val: int) -> None
STATIC mp_obj_t mod_TrezorUi_Display_backlight(mp_obj_t self, mp_obj_t reg) {
display_backlight(mp_obj_get_int(reg));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorUi_Display_backlight_obj, mod_TrezorUi_Display_backlight);
// Display stuff
STATIC const mp_rom_map_elem_t mod_TrezorUi_Display_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_bar), MP_ROM_PTR(&mod_TrezorUi_Display_bar_obj) },
{ MP_ROM_QSTR(MP_QSTR_blit), MP_ROM_PTR(&mod_TrezorUi_Display_blit_obj) },
{ MP_ROM_QSTR(MP_QSTR_image), MP_ROM_PTR(&mod_TrezorUi_Display_image_obj) },
{ MP_ROM_QSTR(MP_QSTR_icon), MP_ROM_PTR(&mod_TrezorUi_Display_icon_obj) },
{ MP_ROM_QSTR(MP_QSTR_text), MP_ROM_PTR(&mod_TrezorUi_Display_text_obj) },
{ MP_ROM_QSTR(MP_QSTR_qrcode), MP_ROM_PTR(&mod_TrezorUi_Display_qrcode_obj) },
{ MP_ROM_QSTR(MP_QSTR_orientation), MP_ROM_PTR(&mod_TrezorUi_Display_orientation_obj) },
{ MP_ROM_QSTR(MP_QSTR_raw), MP_ROM_PTR(&mod_TrezorUi_Display_raw_obj) },
{ MP_ROM_QSTR(MP_QSTR_backlight), MP_ROM_PTR(&mod_TrezorUi_Display_backlight_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_TrezorUi_Display_locals_dict, mod_TrezorUi_Display_locals_dict_table);
STATIC const mp_obj_type_t mod_TrezorUi_Display_type = {
{ &mp_type_type },
.name = MP_QSTR_Display,
.make_new = mod_TrezorUi_Display_make_new,
.locals_dict = (void*)&mod_TrezorUi_Display_locals_dict,
};
Reference in New Issue View Git Blame Copy Permalink