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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-22 23:48:12 +00:00

add write_callback to sinf_inflate function

This commit is contained in:
Pavol Rusnak 2016-03-28 18:37:11 +02:00
parent 9558ac1830
commit 047578c4c0
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
4 changed files with 12 additions and 8 deletions

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@ -36,10 +36,6 @@
#include <stdint.h> #include <stdint.h>
#ifndef SINF_WRITE
#error Must define SINF_WRITE(byte) macro
#endif
// maximum possible window size (in bits) used during compression/deflate // maximum possible window size (in bits) used during compression/deflate
#define SINF_WBITS 10 #define SINF_WBITS 10
@ -59,6 +55,7 @@ typedef struct {
int cbufi; int cbufi;
SINF_TREE ltree; /* dynamic length/symbol tree */ SINF_TREE ltree; /* dynamic length/symbol tree */
SINF_TREE dtree; /* dynamic distance tree */ SINF_TREE dtree; /* dynamic distance tree */
void (* write)(uint8_t byte);
} SINF_DATA; } SINF_DATA;
/* --------------------------------------------------- * /* --------------------------------------------------- *
@ -106,7 +103,7 @@ static void sinf_write(SINF_DATA *d, uint8_t byte)
{ {
d->cbuf[d->cbufi] = byte; d->cbuf[d->cbufi] = byte;
d->cbufi = (d->cbufi + 1) % (1 << SINF_WBITS); d->cbufi = (d->cbufi + 1) % (1 << SINF_WBITS);
SINF_WRITE(byte); d->write(byte);
} }
/* build the fixed huffman trees */ /* build the fixed huffman trees */
@ -394,7 +391,7 @@ static int sinf_inflate_dynamic_block(SINF_DATA *d)
* ---------------------- */ * ---------------------- */
/* inflate stream from source */ /* inflate stream from source */
static int sinf_inflate(uint8_t *data) static int sinf_inflate(uint8_t *data, void (*write_callback)(uint8_t byte))
{ {
SINF_DATA d; SINF_DATA d;
int bfinal; int bfinal;
@ -403,6 +400,7 @@ static int sinf_inflate(uint8_t *data)
d.bitcount = 0; d.bitcount = 0;
d.cbufi = 0; d.cbufi = 0;
d.source = data; d.source = data;
d.write = write_callback;
do { do {

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@ -10,6 +10,10 @@
#define CMD(X) (*((__IO uint8_t *)((uint32_t)(0x60000000))) = (X)) #define CMD(X) (*((__IO uint8_t *)((uint32_t)(0x60000000))) = (X))
#define DATA(X) (*((__IO uint8_t *)((uint32_t)(0x60000000 | 0x10000))) = (X)) #define DATA(X) (*((__IO uint8_t *)((uint32_t)(0x60000000 | 0x10000))) = (X))
static void DATAfunc(uint8_t x) {
DATA(x);
}
static void DATAS(void *bytes, int len); static void DATAS(void *bytes, int len);
void sram_init(void) { void sram_init(void) {

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@ -14,7 +14,9 @@ static SDL_Texture *TEXTURE = 0;
static int DATAODD = 0; static int DATAODD = 0;
static int POSX, POSY, SX, SY, EX, EY = 0; static int POSX, POSY, SX, SY, EX, EY = 0;
static void DATA(uint8_t x) { #define DATA(X) DATAfunc((X))
static void DATAfunc(uint8_t x) {
if (!SDL_inited) return; if (!SDL_inited) return;
if (POSX <= EX && POSY <= EY) { if (POSX <= EX && POSY <= EY) {
((uint8_t *)SCREEN->pixels)[POSX * 2 + POSY * SCREEN->pitch + (DATAODD ^ 1)] = x; ((uint8_t *)SCREEN->pixels)[POSX * 2 + POSY * SCREEN->pitch + (DATAODD ^ 1)] = x;

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@ -60,7 +60,7 @@ static void display_blit(uint8_t x, uint8_t y, uint8_t w, uint8_t h, void *data,
static void display_image(uint8_t x, uint8_t y, uint8_t w, uint8_t h, void *data, int datalen) { 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); display_set_window(x, y, w, h);
sinf_inflate(data); sinf_inflate(data, DATAfunc);
display_update(); display_update();
} }