exclude rom headers in examples

1. avoid including rom headers directly in examples
2. add common API interface for CRC calculation in esp_common component
pull/3947/head
suda-morris 2019-05-22 20:21:11 +08:00
rodzic 5e39718c22
commit b1497f2187
19 zmienionych plików z 1292 dodań i 92 usunięć

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@ -841,6 +841,14 @@ esp_err_t uart_set_wakeup_threshold(uart_port_t uart_num, int wakeup_threshold);
*/
esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int* out_wakeup_threshold);
/**
* @brief Wait until UART tx memory empty and the last char send ok (polling mode).
*
* @param uart_num UART number
*
*/
void uart_wait_tx_idle_polling(uart_port_t uart_num);
#ifdef __cplusplus
}
#endif

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@ -81,7 +81,7 @@ typedef struct {
intr_handle_t intr_handle; /*!< UART interrupt handle*/
uart_mode_t uart_mode; /*!< UART controller actual mode set by uart_set_mode() */
bool coll_det_flg; /*!< UART collision detection flag */
//rx parameters
int rx_buffered_len; /*!< UART cached data length */
SemaphoreHandle_t rx_mux; /*!< UART RX data mutex*/
@ -1007,13 +1007,13 @@ static void uart_rx_intr_handler_default(void *param)
UART_ENTER_CRITICAL_ISR(&uart_spinlock[uart_num]);
uart_reset_rx_fifo(uart_num);
// Set collision detection flag
p_uart_obj[uart_num]->coll_det_flg = true;
p_uart_obj[uart_num]->coll_det_flg = true;
UART_EXIT_CRITICAL_ISR(&uart_spinlock[uart_num]);
uart_event.type = UART_EVENT_MAX;
} else if(uart_intr_status & UART_TX_DONE_INT_ST_M) {
uart_disable_intr_mask_from_isr(uart_num, UART_TX_DONE_INT_ENA_M);
uart_clear_intr_status(uart_num, UART_TX_DONE_INT_CLR_M);
// If RS485 half duplex mode is enable then reset FIFO and
// If RS485 half duplex mode is enable then reset FIFO and
// reset RTS pin to start receiver driver
if (UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)) {
UART_ENTER_CRITICAL_ISR(&uart_spinlock[uart_num]);
@ -1489,11 +1489,11 @@ portMUX_TYPE *uart_get_selectlock(void)
return &uart_selectlock;
}
// Set UART mode
esp_err_t uart_set_mode(uart_port_t uart_num, uart_mode_t mode)
esp_err_t uart_set_mode(uart_port_t uart_num, uart_mode_t mode)
{
UART_CHECK((p_uart_obj[uart_num]), "uart driver error", ESP_ERR_INVALID_STATE);
UART_CHECK((uart_num < UART_NUM_MAX), "uart_num error", ESP_ERR_INVALID_ARG);
if ((mode == UART_MODE_RS485_COLLISION_DETECT) || (mode == UART_MODE_RS485_APP_CTRL)
if ((mode == UART_MODE_RS485_COLLISION_DETECT) || (mode == UART_MODE_RS485_APP_CTRL)
|| (mode == UART_MODE_RS485_HALF_DUPLEX)) {
UART_CHECK((UART[uart_num]->conf1.rx_flow_en != 1),
"disable hw flowctrl before using RS485 mode", ESP_ERR_INVALID_ARG);
@ -1548,13 +1548,13 @@ esp_err_t uart_set_mode(uart_port_t uart_num, uart_mode_t mode)
return ESP_OK;
}
esp_err_t uart_set_rx_timeout(uart_port_t uart_num, const uint8_t tout_thresh)
esp_err_t uart_set_rx_timeout(uart_port_t uart_num, const uint8_t tout_thresh)
{
UART_CHECK((uart_num < UART_NUM_MAX), "uart_num error", ESP_ERR_INVALID_ARG);
UART_CHECK((tout_thresh < 127), "tout_thresh max value is 126", ESP_ERR_INVALID_ARG);
UART_ENTER_CRITICAL(&uart_spinlock[uart_num]);
// The tout_thresh = 1, defines TOUT interrupt timeout equal to
// transmission time of one symbol (~11 bit) on current baudrate
// The tout_thresh = 1, defines TOUT interrupt timeout equal to
// transmission time of one symbol (~11 bit) on current baudrate
if (tout_thresh > 0) {
//Hardware issue workaround: when using ref_tick, the rx timeout threshold needs increase to 10 times.
//T_ref = T_apb * APB_CLK/(REF_TICK << CLKDIV_FRAG_BIT_WIDTH)
@ -1575,8 +1575,8 @@ esp_err_t uart_get_collision_flag(uart_port_t uart_num, bool* collision_flag)
{
UART_CHECK((uart_num < UART_NUM_MAX), "uart_num error", ESP_ERR_INVALID_ARG);
UART_CHECK((collision_flag != NULL), "wrong parameter pointer", ESP_ERR_INVALID_ARG);
UART_CHECK((UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)
|| UART_IS_MODE_SET(uart_num, UART_MODE_RS485_COLLISION_DETECT)),
UART_CHECK((UART_IS_MODE_SET(uart_num, UART_MODE_RS485_HALF_DUPLEX)
|| UART_IS_MODE_SET(uart_num, UART_MODE_RS485_COLLISION_DETECT)),
"wrong mode", ESP_ERR_INVALID_ARG);
*collision_flag = p_uart_obj[uart_num]->coll_det_flg;
return ESP_OK;
@ -1601,3 +1601,12 @@ esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int* out_wakeup_thresh
*out_wakeup_threshold = UART[uart_num]->sleep_conf.active_threshold + UART_MIN_WAKEUP_THRESH;
return ESP_OK;
}
void uart_wait_tx_idle_polling(uart_port_t uart_num)
{
uint32_t status;
do {
status = READ_PERI_REG(UART_STATUS_REG(uart_num));
/* either tx count or state is non-zero */
} while ((status & (UART_ST_UTX_OUT_M | UART_TXFIFO_CNT_M)) != 0);
}

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@ -0,0 +1,113 @@
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "sdkconfig.h"
#if defined(CONFIG_IDF_TARGET_ESP32)
#include "esp32/rom/crc.h"
#endif
/******************* Polynomials Used in the CRC APIs ****************************
* CRC-8 x8+x2+x1+1 0x07
* CRC16-CCITT x16+x12+x5+1 0x1021
* CRC32 x32+x26+x23+x22+x16+x12+x11+x10+x8+x7+x5+x4+x2+x1+1 0x04c11db7
********************************************************************************/
/**
* @brief CRC32 value in little endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC32 value
*/
static inline uint32_t esp_crc32_le(uint32_t crc, uint8_t const *buf, uint32_t len)
{
return crc32_le(crc, buf, len);
}
/**
* @brief CRC32 value in big endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC32 value
*/
static inline uint32_t esp_crc32_be(uint32_t crc, uint8_t const *buf, uint32_t len)
{
return crc32_be(crc, buf, len);
}
/**
* @brief CRC16 value in little endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC16 value
*/
static inline uint16_t esp_crc16_le(uint16_t crc, uint8_t const *buf, uint32_t len)
{
return crc16_le(crc, buf, len);
}
/**
* @brief CRC16 value in big endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC16 value
*/
static inline uint16_t esp_crc16_be(uint16_t crc, uint8_t const *buf, uint32_t len)
{
return crc16_be(crc, buf, len);
}
/**
* @brief CRC8 value in little endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC8 value
*/
static inline uint8_t esp_crc8_le(uint8_t crc, uint8_t const *buf, uint32_t len)
{
return crc8_le(crc, buf, len);
}
/**
* @brief CRC8 value in big endian.
*
* @param crc: Initial CRC value (result of last calculation or 0 for the first time)
* @param buf: Data buffer that used to calculate the CRC value
* @param len: Length of the data buffer
* @return CRC8 value
*/
static inline uint8_t esp_crc8_be(uint8_t crc, uint8_t const *buf, uint32_t len)
{
return crc8_be(crc, buf, len);
}
#ifdef __cplusplus
}
#endif

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@ -28,7 +28,7 @@
#include "mbedtls/aes.h"
#include "mbedtls/dhm.h"
#include "mbedtls/md5.h"
#include "esp32/rom/crc.h"
#include "esp_crc.h"
/*
The SEC_TYPE_xxx is for self-defined packet data type in the procedure of "BLUFI negotiate key"
@ -124,7 +124,7 @@ void blufi_dh_negotiate_data_handler(uint8_t *data, int len, uint8_t **output_da
mbedtls_md5(blufi_sec->share_key, blufi_sec->share_len, blufi_sec->psk);
mbedtls_aes_setkey_enc(&blufi_sec->aes, blufi_sec->psk, 128);
/* alloc output data */
*output_data = &blufi_sec->self_public_key[0];
*output_len = blufi_sec->dhm.len;
@ -178,7 +178,7 @@ int blufi_aes_decrypt(uint8_t iv8, uint8_t *crypt_data, int crypt_len)
uint16_t blufi_crc_checksum(uint8_t iv8, uint8_t *data, int len)
{
/* This iv8 ignore, not used */
return crc16_be(0, data, len);
return esp_crc16_be(0, data, len);
}
esp_err_t blufi_security_init(void)

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@ -8,7 +8,6 @@
*/
#include "driver/sdio_slave.h"
#include "esp_log.h"
#include "esp32/rom/lldesc.h"
#include "sys/queue.h"
#include "soc/soc.h"
#include "freertos/task.h"

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@ -0,0 +1,4 @@
set(tjpgd_srcs "src/tjpgd.c")
idf_component_register(SRCS "${tjpgd_srcs}"
INCLUDE_DIRS "include")

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@ -0,0 +1,3 @@
COMPONENT_ADD_INCLUDEDIRS := include
COMPONENT_SRCDIRS := src

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@ -0,0 +1,88 @@
/*----------------------------------------------------------------------------/
/ TJpgDec - Tiny JPEG Decompressor include file (C)ChaN, 2019
/----------------------------------------------------------------------------*/
#ifndef DEF_TJPGDEC
#define DEF_TJPGDEC
/*---------------------------------------------------------------------------*/
/* System Configurations */
#define JD_SZBUF 512 /* Size of stream input buffer */
#define JD_FORMAT 0 /* Output pixel format 0:RGB888 (3 BYTE/pix), 1:RGB565 (1 WORD/pix) */
#define JD_USE_SCALE 1 /* Use descaling feature for output */
#define JD_TBLCLIP 1 /* Use table for saturation (might be a bit faster but increases 1K bytes of code size) */
/*---------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32) /* Main development platform */
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned long uint32_t;
typedef long int32_t;
#else
#include "stdint.h"
#endif
/* Error code */
typedef enum {
JDR_OK = 0, /* 0: Succeeded */
JDR_INTR, /* 1: Interrupted by output function */
JDR_INP, /* 2: Device error or wrong termination of input stream */
JDR_MEM1, /* 3: Insufficient memory pool for the image */
JDR_MEM2, /* 4: Insufficient stream input buffer */
JDR_PAR, /* 5: Parameter error */
JDR_FMT1, /* 6: Data format error (may be damaged data) */
JDR_FMT2, /* 7: Right format but not supported */
JDR_FMT3 /* 8: Not supported JPEG standard */
} JRESULT;
/* Rectangular structure */
typedef struct {
uint16_t left, right, top, bottom;
} JRECT;
/* Decompressor object structure */
typedef struct JDEC JDEC;
struct JDEC {
uint16_t dctr; /* Number of bytes available in the input buffer */
uint8_t* dptr; /* Current data read ptr */
uint8_t* inbuf; /* Bit stream input buffer */
uint8_t dmsk; /* Current bit in the current read byte */
uint8_t scale; /* Output scaling ratio */
uint8_t msx, msy; /* MCU size in unit of block (width, height) */
uint8_t qtid[3]; /* Quantization table ID of each component */
int16_t dcv[3]; /* Previous DC element of each component */
uint16_t nrst; /* Restart inverval */
uint16_t width, height; /* Size of the input image (pixel) */
uint8_t* huffbits[2][2]; /* Huffman bit distribution tables [id][dcac] */
uint16_t* huffcode[2][2]; /* Huffman code word tables [id][dcac] */
uint8_t* huffdata[2][2]; /* Huffman decoded data tables [id][dcac] */
int32_t* qttbl[4]; /* Dequantizer tables [id] */
void* workbuf; /* Working buffer for IDCT and RGB output */
uint8_t* mcubuf; /* Working buffer for the MCU */
void* pool; /* Pointer to available memory pool */
uint16_t sz_pool; /* Size of momory pool (bytes available) */
uint16_t (*infunc)(JDEC*, uint8_t*, uint16_t);/* Pointer to jpeg stream input function */
void* device; /* Pointer to I/O device identifiler for the session */
};
/* TJpgDec API functions */
JRESULT jd_prepare (JDEC*, uint16_t(*)(JDEC*,uint8_t*,uint16_t), void*, uint16_t, void*);
JRESULT jd_decomp (JDEC*, uint16_t(*)(JDEC*,void*,JRECT*), uint8_t);
#ifdef __cplusplus
}
#endif
#endif /* _TJPGDEC */

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@ -0,0 +1,960 @@
/*----------------------------------------------------------------------------/
/ TJpgDec - Tiny JPEG Decompressor R0.01c (C)ChaN, 2019
/-----------------------------------------------------------------------------/
/ The TJpgDec is a generic JPEG decompressor module for tiny embedded systems.
/ This is a free software that opened for education, research and commercial
/ developments under license policy of following terms.
/
/ Copyright (C) 2019, ChaN, all right reserved.
/
/ * The TJpgDec module is a free software and there is NO WARRANTY.
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/
/-----------------------------------------------------------------------------/
/ Oct 04, 2011 R0.01 First release.
/ Feb 19, 2012 R0.01a Fixed decompression fails when scan starts with an escape seq.
/ Sep 03, 2012 R0.01b Added JD_TBLCLIP option.
/ Mar 16, 2019 R0.01c Supprted stdint.h.
/----------------------------------------------------------------------------*/
#include "tjpgd.h"
/*-----------------------------------------------*/
/* Zigzag-order to raster-order conversion table */
/*-----------------------------------------------*/
#define ZIG(n) Zig[n]
static const uint8_t Zig[64] = { /* Zigzag-order to raster-order conversion table */
0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
};
/*-------------------------------------------------*/
/* Input scale factor of Arai algorithm */
/* (scaled up 16 bits for fixed point operations) */
/*-------------------------------------------------*/
#define IPSF(n) Ipsf[n]
static const uint16_t Ipsf[64] = { /* See also aa_idct.png */
(uint16_t)(1.00000*8192), (uint16_t)(1.38704*8192), (uint16_t)(1.30656*8192), (uint16_t)(1.17588*8192), (uint16_t)(1.00000*8192), (uint16_t)(0.78570*8192), (uint16_t)(0.54120*8192), (uint16_t)(0.27590*8192),
(uint16_t)(1.38704*8192), (uint16_t)(1.92388*8192), (uint16_t)(1.81226*8192), (uint16_t)(1.63099*8192), (uint16_t)(1.38704*8192), (uint16_t)(1.08979*8192), (uint16_t)(0.75066*8192), (uint16_t)(0.38268*8192),
(uint16_t)(1.30656*8192), (uint16_t)(1.81226*8192), (uint16_t)(1.70711*8192), (uint16_t)(1.53636*8192), (uint16_t)(1.30656*8192), (uint16_t)(1.02656*8192), (uint16_t)(0.70711*8192), (uint16_t)(0.36048*8192),
(uint16_t)(1.17588*8192), (uint16_t)(1.63099*8192), (uint16_t)(1.53636*8192), (uint16_t)(1.38268*8192), (uint16_t)(1.17588*8192), (uint16_t)(0.92388*8192), (uint16_t)(0.63638*8192), (uint16_t)(0.32442*8192),
(uint16_t)(1.00000*8192), (uint16_t)(1.38704*8192), (uint16_t)(1.30656*8192), (uint16_t)(1.17588*8192), (uint16_t)(1.00000*8192), (uint16_t)(0.78570*8192), (uint16_t)(0.54120*8192), (uint16_t)(0.27590*8192),
(uint16_t)(0.78570*8192), (uint16_t)(1.08979*8192), (uint16_t)(1.02656*8192), (uint16_t)(0.92388*8192), (uint16_t)(0.78570*8192), (uint16_t)(0.61732*8192), (uint16_t)(0.42522*8192), (uint16_t)(0.21677*8192),
(uint16_t)(0.54120*8192), (uint16_t)(0.75066*8192), (uint16_t)(0.70711*8192), (uint16_t)(0.63638*8192), (uint16_t)(0.54120*8192), (uint16_t)(0.42522*8192), (uint16_t)(0.29290*8192), (uint16_t)(0.14932*8192),
(uint16_t)(0.27590*8192), (uint16_t)(0.38268*8192), (uint16_t)(0.36048*8192), (uint16_t)(0.32442*8192), (uint16_t)(0.27590*8192), (uint16_t)(0.21678*8192), (uint16_t)(0.14932*8192), (uint16_t)(0.07612*8192)
};
/*---------------------------------------------*/
/* Conversion table for fast clipping process */
/*---------------------------------------------*/
#if JD_TBLCLIP
#define BYTECLIP(v) Clip8[(uint16_t)(v) & 0x3FF]
static const uint8_t Clip8[1024] = {
/* 0..255 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
/* 256..511 */
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
/* -512..-257 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* -256..-1 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#else /* JD_TBLCLIP */
inline uint8_t BYTECLIP (
int16_t val
)
{
if (val < 0) val = 0;
if (val > 255) val = 255;
return (uint8_t)val;
}
#endif
/*-----------------------------------------------------------------------*/
/* Allocate a memory block from memory pool */
/*-----------------------------------------------------------------------*/
static void* alloc_pool ( /* Pointer to allocated memory block (NULL:no memory available) */
JDEC* jd, /* Pointer to the decompressor object */
uint16_t nd /* Number of bytes to allocate */
)
{
char *rp = 0;
nd = (nd + 3) & ~3; /* Align block size to the word boundary */
if (jd->sz_pool >= nd) {
jd->sz_pool -= nd;
rp = (char*)jd->pool; /* Get start of available memory pool */
jd->pool = (void*)(rp + nd); /* Allocate requierd bytes */
}
return (void*)rp; /* Return allocated memory block (NULL:no memory to allocate) */
}
/*-----------------------------------------------------------------------*/
/* Create de-quantization and prescaling tables with a DQT segment */
/*-----------------------------------------------------------------------*/
static int create_qt_tbl ( /* 0:OK, !0:Failed */
JDEC* jd, /* Pointer to the decompressor object */
const uint8_t* data, /* Pointer to the quantizer tables */
uint16_t ndata /* Size of input data */
)
{
uint16_t i;
uint8_t d, z;
int32_t *pb;
while (ndata) { /* Process all tables in the segment */
if (ndata < 65) return JDR_FMT1; /* Err: table size is unaligned */
ndata -= 65;
d = *data++; /* Get table property */
if (d & 0xF0) return JDR_FMT1; /* Err: not 8-bit resolution */
i = d & 3; /* Get table ID */
pb = alloc_pool(jd, 64 * sizeof (int32_t));/* Allocate a memory block for the table */
if (!pb) return JDR_MEM1; /* Err: not enough memory */
jd->qttbl[i] = pb; /* Register the table */
for (i = 0; i < 64; i++) { /* Load the table */
z = ZIG(i); /* Zigzag-order to raster-order conversion */
pb[z] = (int32_t)((uint32_t)*data++ * IPSF(z)); /* Apply scale factor of Arai algorithm to the de-quantizers */
}
}
return JDR_OK;
}
/*-----------------------------------------------------------------------*/
/* Create huffman code tables with a DHT segment */
/*-----------------------------------------------------------------------*/
static int create_huffman_tbl ( /* 0:OK, !0:Failed */
JDEC* jd, /* Pointer to the decompressor object */
const uint8_t* data, /* Pointer to the packed huffman tables */
uint16_t ndata /* Size of input data */
)
{
uint16_t i, j, b, np, cls, num;
uint8_t d, *pb, *pd;
uint16_t hc, *ph;
while (ndata) { /* Process all tables in the segment */
if (ndata < 17) return JDR_FMT1; /* Err: wrong data size */
ndata -= 17;
d = *data++; /* Get table number and class */
if (d & 0xEE) return JDR_FMT1; /* Err: invalid class/number */
cls = d >> 4; num = d & 0x0F; /* class = dc(0)/ac(1), table number = 0/1 */
pb = alloc_pool(jd, 16); /* Allocate a memory block for the bit distribution table */
if (!pb) return JDR_MEM1; /* Err: not enough memory */
jd->huffbits[num][cls] = pb;
for (np = i = 0; i < 16; i++) { /* Load number of patterns for 1 to 16-bit code */
np += (pb[i] = *data++); /* Get sum of code words for each code */
}
ph = alloc_pool(jd, (uint16_t)(np * sizeof (uint16_t)));/* Allocate a memory block for the code word table */
if (!ph) return JDR_MEM1; /* Err: not enough memory */
jd->huffcode[num][cls] = ph;
hc = 0;
for (j = i = 0; i < 16; i++) { /* Re-build huffman code word table */
b = pb[i];
while (b--) ph[j++] = hc++;
hc <<= 1;
}
if (ndata < np) return JDR_FMT1; /* Err: wrong data size */
ndata -= np;
pd = alloc_pool(jd, np); /* Allocate a memory block for the decoded data */
if (!pd) return JDR_MEM1; /* Err: not enough memory */
jd->huffdata[num][cls] = pd;
for (i = 0; i < np; i++) { /* Load decoded data corresponds to each code ward */
d = *data++;
if (!cls && d > 11) return JDR_FMT1;
*pd++ = d;
}
}
return JDR_OK;
}
/*-----------------------------------------------------------------------*/
/* Extract N bits from input stream */
/*-----------------------------------------------------------------------*/
static int bitext ( /* >=0: extracted data, <0: error code */
JDEC* jd, /* Pointer to the decompressor object */
int nbit /* Number of bits to extract (1 to 11) */
)
{
uint8_t msk, s, *dp;
uint16_t dc, v, f;
msk = jd->dmsk; dc = jd->dctr; dp = jd->dptr; /* Bit mask, number of data available, read ptr */
s = *dp; v = f = 0;
do {
if (!msk) { /* Next byte? */
if (!dc) { /* No input data is available, re-fill input buffer */
dp = jd->inbuf; /* Top of input buffer */
dc = jd->infunc(jd, dp, JD_SZBUF);
if (!dc) return 0 - (int16_t)JDR_INP; /* Err: read error or wrong stream termination */
} else {
dp++; /* Next data ptr */
}
dc--; /* Decrement number of available bytes */
if (f) { /* In flag sequence? */
f = 0; /* Exit flag sequence */
if (*dp != 0) return 0 - (int16_t)JDR_FMT1; /* Err: unexpected flag is detected (may be collapted data) */
*dp = s = 0xFF; /* The flag is a data 0xFF */
} else {
s = *dp; /* Get next data byte */
if (s == 0xFF) { /* Is start of flag sequence? */
f = 1; continue; /* Enter flag sequence */
}
}
msk = 0x80; /* Read from MSB */
}
v <<= 1; /* Get a bit */
if (s & msk) v++;
msk >>= 1;
nbit--;
} while (nbit);
jd->dmsk = msk; jd->dctr = dc; jd->dptr = dp;
return (int)v;
}
/*-----------------------------------------------------------------------*/
/* Extract a huffman decoded data from input stream */
/*-----------------------------------------------------------------------*/
static int16_t huffext ( /* >=0: decoded data, <0: error code */
JDEC* jd, /* Pointer to the decompressor object */
const uint8_t* hbits, /* Pointer to the bit distribution table */
const uint16_t* hcode, /* Pointer to the code word table */
const uint8_t* hdata /* Pointer to the data table */
)
{
uint8_t msk, s, *dp;
uint16_t dc, v, f, bl, nd;
msk = jd->dmsk; dc = jd->dctr; dp = jd->dptr; /* Bit mask, number of data available, read ptr */
s = *dp; v = f = 0;
bl = 16; /* Max code length */
do {
if (!msk) { /* Next byte? */
if (!dc) { /* No input data is available, re-fill input buffer */
dp = jd->inbuf; /* Top of input buffer */
dc = jd->infunc(jd, dp, JD_SZBUF);
if (!dc) return 0 - (int16_t)JDR_INP; /* Err: read error or wrong stream termination */
} else {
dp++; /* Next data ptr */
}
dc--; /* Decrement number of available bytes */
if (f) { /* In flag sequence? */
f = 0; /* Exit flag sequence */
if (*dp != 0) return 0 - (int16_t)JDR_FMT1; /* Err: unexpected flag is detected (may be collapted data) */
*dp = s = 0xFF; /* The flag is a data 0xFF */
} else {
s = *dp; /* Get next data byte */
if (s == 0xFF) { /* Is start of flag sequence? */
f = 1; continue; /* Enter flag sequence, get trailing byte */
}
}
msk = 0x80; /* Read from MSB */
}
v <<= 1; /* Get a bit */
if (s & msk) v++;
msk >>= 1;
for (nd = *hbits++; nd; nd--) { /* Search the code word in this bit length */
if (v == *hcode++) { /* Matched? */
jd->dmsk = msk; jd->dctr = dc; jd->dptr = dp;
return *hdata; /* Return the decoded data */
}
hdata++;
}
bl--;
} while (bl);
return 0 - (int16_t)JDR_FMT1; /* Err: code not found (may be collapted data) */
}
/*-----------------------------------------------------------------------*/
/* Apply Inverse-DCT in Arai Algorithm (see also aa_idct.png) */
/*-----------------------------------------------------------------------*/
static void block_idct (
int32_t* src, /* Input block data (de-quantized and pre-scaled for Arai Algorithm) */
uint8_t* dst /* Pointer to the destination to store the block as byte array */
)
{
const int32_t M13 = (int32_t)(1.41421*4096), M2 = (int32_t)(1.08239*4096), M4 = (int32_t)(2.61313*4096), M5 = (int32_t)(1.84776*4096);
int32_t v0, v1, v2, v3, v4, v5, v6, v7;
int32_t t10, t11, t12, t13;
uint16_t i;
/* Process columns */
for (i = 0; i < 8; i++) {
v0 = src[8 * 0]; /* Get even elements */
v1 = src[8 * 2];
v2 = src[8 * 4];
v3 = src[8 * 6];
t10 = v0 + v2; /* Process the even elements */
t12 = v0 - v2;
t11 = (v1 - v3) * M13 >> 12;
v3 += v1;
t11 -= v3;
v0 = t10 + v3;
v3 = t10 - v3;
v1 = t11 + t12;
v2 = t12 - t11;
v4 = src[8 * 7]; /* Get odd elements */
v5 = src[8 * 1];
v6 = src[8 * 5];
v7 = src[8 * 3];
t10 = v5 - v4; /* Process the odd elements */
t11 = v5 + v4;
t12 = v6 - v7;
v7 += v6;
v5 = (t11 - v7) * M13 >> 12;
v7 += t11;
t13 = (t10 + t12) * M5 >> 12;
v4 = t13 - (t10 * M2 >> 12);
v6 = t13 - (t12 * M4 >> 12) - v7;
v5 -= v6;
v4 -= v5;
src[8 * 0] = v0 + v7; /* Write-back transformed values */
src[8 * 7] = v0 - v7;
src[8 * 1] = v1 + v6;
src[8 * 6] = v1 - v6;
src[8 * 2] = v2 + v5;
src[8 * 5] = v2 - v5;
src[8 * 3] = v3 + v4;
src[8 * 4] = v3 - v4;
src++; /* Next column */
}
/* Process rows */
src -= 8;
for (i = 0; i < 8; i++) {
v0 = src[0] + (128L << 8); /* Get even elements (remove DC offset (-128) here) */
v1 = src[2];
v2 = src[4];
v3 = src[6];
t10 = v0 + v2; /* Process the even elements */
t12 = v0 - v2;
t11 = (v1 - v3) * M13 >> 12;
v3 += v1;
t11 -= v3;
v0 = t10 + v3;
v3 = t10 - v3;
v1 = t11 + t12;
v2 = t12 - t11;
v4 = src[7]; /* Get odd elements */
v5 = src[1];
v6 = src[5];
v7 = src[3];
t10 = v5 - v4; /* Process the odd elements */
t11 = v5 + v4;
t12 = v6 - v7;
v7 += v6;
v5 = (t11 - v7) * M13 >> 12;
v7 += t11;
t13 = (t10 + t12) * M5 >> 12;
v4 = t13 - (t10 * M2 >> 12);
v6 = t13 - (t12 * M4 >> 12) - v7;
v5 -= v6;
v4 -= v5;
dst[0] = BYTECLIP((v0 + v7) >> 8); /* Descale the transformed values 8 bits and output */
dst[7] = BYTECLIP((v0 - v7) >> 8);
dst[1] = BYTECLIP((v1 + v6) >> 8);
dst[6] = BYTECLIP((v1 - v6) >> 8);
dst[2] = BYTECLIP((v2 + v5) >> 8);
dst[5] = BYTECLIP((v2 - v5) >> 8);
dst[3] = BYTECLIP((v3 + v4) >> 8);
dst[4] = BYTECLIP((v3 - v4) >> 8);
dst += 8;
src += 8; /* Next row */
}
}
/*-----------------------------------------------------------------------*/
/* Load all blocks in the MCU into working buffer */
/*-----------------------------------------------------------------------*/
static JRESULT mcu_load (
JDEC* jd /* Pointer to the decompressor object */
)
{
int32_t *tmp = (int32_t*)jd->workbuf; /* Block working buffer for de-quantize and IDCT */
int b, d, e;
uint16_t blk, nby, nbc, i, z, id, cmp;
uint8_t *bp;
const uint8_t *hb, *hd;
const uint16_t *hc;
const int32_t *dqf;
nby = jd->msx * jd->msy; /* Number of Y blocks (1, 2 or 4) */
nbc = 2; /* Number of C blocks (2) */
bp = jd->mcubuf; /* Pointer to the first block */
for (blk = 0; blk < nby + nbc; blk++) {
cmp = (blk < nby) ? 0 : blk - nby + 1; /* Component number 0:Y, 1:Cb, 2:Cr */
id = cmp ? 1 : 0; /* Huffman table ID of the component */
/* Extract a DC element from input stream */
hb = jd->huffbits[id][0]; /* Huffman table for the DC element */
hc = jd->huffcode[id][0];
hd = jd->huffdata[id][0];
b = huffext(jd, hb, hc, hd); /* Extract a huffman coded data (bit length) */
if (b < 0) return 0 - b; /* Err: invalid code or input */
d = jd->dcv[cmp]; /* DC value of previous block */
if (b) { /* If there is any difference from previous block */
e = bitext(jd, b); /* Extract data bits */
if (e < 0) return 0 - e; /* Err: input */
b = 1 << (b - 1); /* MSB position */
if (!(e & b)) e -= (b << 1) - 1; /* Restore sign if needed */
d += e; /* Get current value */
jd->dcv[cmp] = (int16_t)d; /* Save current DC value for next block */
}
dqf = jd->qttbl[jd->qtid[cmp]]; /* De-quantizer table ID for this component */
tmp[0] = d * dqf[0] >> 8; /* De-quantize, apply scale factor of Arai algorithm and descale 8 bits */
/* Extract following 63 AC elements from input stream */
for (i = 1; i < 64; tmp[i++] = 0) ; /* Clear rest of elements */
hb = jd->huffbits[id][1]; /* Huffman table for the AC elements */
hc = jd->huffcode[id][1];
hd = jd->huffdata[id][1];
i = 1; /* Top of the AC elements */
do {
b = huffext(jd, hb, hc, hd); /* Extract a huffman coded value (zero runs and bit length) */
if (b == 0) break; /* EOB? */
if (b < 0) return 0 - b; /* Err: invalid code or input error */
z = (uint16_t)b >> 4; /* Number of leading zero elements */
if (z) {
i += z; /* Skip zero elements */
if (i >= 64) return JDR_FMT1; /* Too long zero run */
}
if (b &= 0x0F) { /* Bit length */
d = bitext(jd, b); /* Extract data bits */
if (d < 0) return 0 - d; /* Err: input device */
b = 1 << (b - 1); /* MSB position */
if (!(d & b)) d -= (b << 1) - 1;/* Restore negative value if needed */
z = ZIG(i); /* Zigzag-order to raster-order converted index */
tmp[z] = d * dqf[z] >> 8; /* De-quantize, apply scale factor of Arai algorithm and descale 8 bits */
}
} while (++i < 64); /* Next AC element */
if (JD_USE_SCALE && jd->scale == 3) {
*bp = (uint8_t)((*tmp / 256) + 128); /* If scale ratio is 1/8, IDCT can be ommited and only DC element is used */
} else {
block_idct(tmp, bp); /* Apply IDCT and store the block to the MCU buffer */
}
bp += 64; /* Next block */
}
return JDR_OK; /* All blocks have been loaded successfully */
}
/*-----------------------------------------------------------------------*/
/* Output an MCU: Convert YCrCb to RGB and output it in RGB form */
/*-----------------------------------------------------------------------*/
static JRESULT mcu_output (
JDEC* jd, /* Pointer to the decompressor object */
uint16_t (*outfunc)(JDEC*, void*, JRECT*), /* RGB output function */
uint16_t x, /* MCU position in the image (left of the MCU) */
uint16_t y /* MCU position in the image (top of the MCU) */
)
{
const int16_t CVACC = (sizeof (int16_t) > 2) ? 1024 : 128;
uint16_t ix, iy, mx, my, rx, ry;
int16_t yy, cb, cr;
uint8_t *py, *pc, *rgb24;
JRECT rect;
mx = jd->msx * 8; my = jd->msy * 8; /* MCU size (pixel) */
rx = (x + mx <= jd->width) ? mx : jd->width - x; /* Output rectangular size (it may be clipped at right/bottom end) */
ry = (y + my <= jd->height) ? my : jd->height - y;
if (JD_USE_SCALE) {
rx >>= jd->scale; ry >>= jd->scale;
if (!rx || !ry) return JDR_OK; /* Skip this MCU if all pixel is to be rounded off */
x >>= jd->scale; y >>= jd->scale;
}
rect.left = x; rect.right = x + rx - 1; /* Rectangular area in the frame buffer */
rect.top = y; rect.bottom = y + ry - 1;
if (!JD_USE_SCALE || jd->scale != 3) { /* Not for 1/8 scaling */
/* Build an RGB MCU from discrete comopnents */
rgb24 = (uint8_t*)jd->workbuf;
for (iy = 0; iy < my; iy++) {
pc = jd->mcubuf;
py = pc + iy * 8;
if (my == 16) { /* Double block height? */
pc += 64 * 4 + (iy >> 1) * 8;
if (iy >= 8) py += 64;
} else { /* Single block height */
pc += mx * 8 + iy * 8;
}
for (ix = 0; ix < mx; ix++) {
cb = pc[0] - 128; /* Get Cb/Cr component and restore right level */
cr = pc[64] - 128;
if (mx == 16) { /* Double block width? */
if (ix == 8) py += 64 - 8; /* Jump to next block if double block heigt */
pc += ix & 1; /* Increase chroma pointer every two pixels */
} else { /* Single block width */
pc++; /* Increase chroma pointer every pixel */
}
yy = *py++; /* Get Y component */
/* Convert YCbCr to RGB */
*rgb24++ = /* R */ BYTECLIP(yy + ((int16_t)(1.402 * CVACC) * cr) / CVACC);
*rgb24++ = /* G */ BYTECLIP(yy - ((int16_t)(0.344 * CVACC) * cb + (int16_t)(0.714 * CVACC) * cr) / CVACC);
*rgb24++ = /* B */ BYTECLIP(yy + ((int16_t)(1.772 * CVACC) * cb) / CVACC);
}
}
/* Descale the MCU rectangular if needed */
if (JD_USE_SCALE && jd->scale) {
uint16_t x, y, r, g, b, s, w, a;
uint8_t *op;
/* Get averaged RGB value of each square correcponds to a pixel */
s = jd->scale * 2; /* Bumber of shifts for averaging */
w = 1 << jd->scale; /* Width of square */
a = (mx - w) * 3; /* Bytes to skip for next line in the square */
op = (uint8_t*)jd->workbuf;
for (iy = 0; iy < my; iy += w) {
for (ix = 0; ix < mx; ix += w) {
rgb24 = (uint8_t*)jd->workbuf + (iy * mx + ix) * 3;
r = g = b = 0;
for (y = 0; y < w; y++) { /* Accumulate RGB value in the square */
for (x = 0; x < w; x++) {
r += *rgb24++;
g += *rgb24++;
b += *rgb24++;
}
rgb24 += a;
} /* Put the averaged RGB value as a pixel */
*op++ = (uint8_t)(r >> s);
*op++ = (uint8_t)(g >> s);
*op++ = (uint8_t)(b >> s);
}
}
}
} else { /* For only 1/8 scaling (left-top pixel in each block are the DC value of the block) */
/* Build a 1/8 descaled RGB MCU from discrete comopnents */
rgb24 = (uint8_t*)jd->workbuf;
pc = jd->mcubuf + mx * my;
cb = pc[0] - 128; /* Get Cb/Cr component and restore right level */
cr = pc[64] - 128;
for (iy = 0; iy < my; iy += 8) {
py = jd->mcubuf;
if (iy == 8) py += 64 * 2;
for (ix = 0; ix < mx; ix += 8) {
yy = *py; /* Get Y component */
py += 64;
/* Convert YCbCr to RGB */
*rgb24++ = /* R */ BYTECLIP(yy + ((int16_t)(1.402 * CVACC) * cr / CVACC));
*rgb24++ = /* G */ BYTECLIP(yy - ((int16_t)(0.344 * CVACC) * cb + (int16_t)(0.714 * CVACC) * cr) / CVACC);
*rgb24++ = /* B */ BYTECLIP(yy + ((int16_t)(1.772 * CVACC) * cb / CVACC));
}
}
}
/* Squeeze up pixel table if a part of MCU is to be truncated */
mx >>= jd->scale;
if (rx < mx) {
uint8_t *s, *d;
uint16_t x, y;
s = d = (uint8_t*)jd->workbuf;
for (y = 0; y < ry; y++) {
for (x = 0; x < rx; x++) { /* Copy effective pixels */
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
}
s += (mx - rx) * 3; /* Skip truncated pixels */
}
}
/* Convert RGB888 to RGB565 if needed */
if (JD_FORMAT == 1) {
uint8_t *s = (uint8_t*)jd->workbuf;
uint16_t w, *d = (uint16_t*)s;
uint16_t n = rx * ry;
do {
w = (*s++ & 0xF8) << 8; /* RRRRR----------- */
w |= (*s++ & 0xFC) << 3; /* -----GGGGGG----- */
w |= *s++ >> 3; /* -----------BBBBB */
*d++ = w;
} while (--n);
}
/* Output the RGB rectangular */
return outfunc(jd, jd->workbuf, &rect) ? JDR_OK : JDR_INTR;
}
/*-----------------------------------------------------------------------*/
/* Process restart interval */
/*-----------------------------------------------------------------------*/
static JRESULT restart (
JDEC* jd, /* Pointer to the decompressor object */
uint16_t rstn /* Expected restert sequense number */
)
{
uint16_t i, dc;
uint16_t d;
uint8_t *dp;
/* Discard padding bits and get two bytes from the input stream */
dp = jd->dptr; dc = jd->dctr;
d = 0;
for (i = 0; i < 2; i++) {
if (!dc) { /* No input data is available, re-fill input buffer */
dp = jd->inbuf;
dc = jd->infunc(jd, dp, JD_SZBUF);
if (!dc) return JDR_INP;
} else {
dp++;
}
dc--;
d = (d << 8) | *dp; /* Get a byte */
}
jd->dptr = dp; jd->dctr = dc; jd->dmsk = 0;
/* Check the marker */
if ((d & 0xFFD8) != 0xFFD0 || (d & 7) != (rstn & 7)) {
return JDR_FMT1; /* Err: expected RSTn marker is not detected (may be collapted data) */
}
/* Reset DC offset */
jd->dcv[2] = jd->dcv[1] = jd->dcv[0] = 0;
return JDR_OK;
}
/*-----------------------------------------------------------------------*/
/* Analyze the JPEG image and Initialize decompressor object */
/*-----------------------------------------------------------------------*/
#define LDB_WORD(ptr) (uint16_t)(((uint16_t)*((uint8_t*)(ptr))<<8)|(uint16_t)*(uint8_t*)((ptr)+1))
JRESULT jd_prepare (
JDEC* jd, /* Blank decompressor object */
uint16_t (*infunc)(JDEC*, uint8_t*, uint16_t), /* JPEG strem input function */
void* pool, /* Working buffer for the decompression session */
uint16_t sz_pool, /* Size of working buffer */
void* dev /* I/O device identifier for the session */
)
{
uint8_t *seg, b;
uint16_t marker;
uint32_t ofs;
uint16_t n, i, j, len;
JRESULT rc;
if (!pool) return JDR_PAR;
jd->pool = pool; /* Work memroy */
jd->sz_pool = sz_pool; /* Size of given work memory */
jd->infunc = infunc; /* Stream input function */
jd->device = dev; /* I/O device identifier */
jd->nrst = 0; /* No restart interval (default) */
for (i = 0; i < 2; i++) { /* Nulls pointers */
for (j = 0; j < 2; j++) {
jd->huffbits[i][j] = 0;
jd->huffcode[i][j] = 0;
jd->huffdata[i][j] = 0;
}
}
for (i = 0; i < 4; jd->qttbl[i++] = 0) ;
jd->inbuf = seg = alloc_pool(jd, JD_SZBUF); /* Allocate stream input buffer */
if (!seg) return JDR_MEM1;
if (jd->infunc(jd, seg, 2) != 2) return JDR_INP;/* Check SOI marker */
if (LDB_WORD(seg) != 0xFFD8) return JDR_FMT1; /* Err: SOI is not detected */
ofs = 2;
for (;;) {
/* Get a JPEG marker */
if (jd->infunc(jd, seg, 4) != 4) return JDR_INP;
marker = LDB_WORD(seg); /* Marker */
len = LDB_WORD(seg + 2); /* Length field */
if (len <= 2 || (marker >> 8) != 0xFF) return JDR_FMT1;
len -= 2; /* Content size excluding length field */
ofs += 4 + len; /* Number of bytes loaded */
switch (marker & 0xFF) {
case 0xC0: /* SOF0 (baseline JPEG) */
/* Load segment data */
if (len > JD_SZBUF) return JDR_MEM2;
if (jd->infunc(jd, seg, len) != len) return JDR_INP;
jd->width = LDB_WORD(seg+3); /* Image width in unit of pixel */
jd->height = LDB_WORD(seg+1); /* Image height in unit of pixel */
if (seg[5] != 3) return JDR_FMT3; /* Err: Supports only Y/Cb/Cr format */
/* Check three image components */
for (i = 0; i < 3; i++) {
b = seg[7 + 3 * i]; /* Get sampling factor */
if (!i) { /* Y component */
if (b != 0x11 && b != 0x22 && b != 0x21) { /* Check sampling factor */
return JDR_FMT3; /* Err: Supports only 4:4:4, 4:2:0 or 4:2:2 */
}
jd->msx = b >> 4; jd->msy = b & 15; /* Size of MCU [blocks] */
} else { /* Cb/Cr component */
if (b != 0x11) return JDR_FMT3; /* Err: Sampling factor of Cr/Cb must be 1 */
}
b = seg[8 + 3 * i]; /* Get dequantizer table ID for this component */
if (b > 3) return JDR_FMT3; /* Err: Invalid ID */
jd->qtid[i] = b;
}
break;
case 0xDD: /* DRI */
/* Load segment data */
if (len > JD_SZBUF) return JDR_MEM2;
if (jd->infunc(jd, seg, len) != len) return JDR_INP;
/* Get restart interval (MCUs) */
jd->nrst = LDB_WORD(seg);
break;
case 0xC4: /* DHT */
/* Load segment data */
if (len > JD_SZBUF) return JDR_MEM2;
if (jd->infunc(jd, seg, len) != len) return JDR_INP;
/* Create huffman tables */
rc = create_huffman_tbl(jd, seg, len);
if (rc) return rc;
break;
case 0xDB: /* DQT */
/* Load segment data */
if (len > JD_SZBUF) return JDR_MEM2;
if (jd->infunc(jd, seg, len) != len) return JDR_INP;
/* Create de-quantizer tables */
rc = create_qt_tbl(jd, seg, len);
if (rc) return rc;
break;
case 0xDA: /* SOS */
/* Load segment data */
if (len > JD_SZBUF) return JDR_MEM2;
if (jd->infunc(jd, seg, len) != len) return JDR_INP;
if (!jd->width || !jd->height) return JDR_FMT1; /* Err: Invalid image size */
if (seg[0] != 3) return JDR_FMT3; /* Err: Supports only three color components format */
/* Check if all tables corresponding to each components have been loaded */
for (i = 0; i < 3; i++) {
b = seg[2 + 2 * i]; /* Get huffman table ID */
if (b != 0x00 && b != 0x11) return JDR_FMT3; /* Err: Different table number for DC/AC element */
b = i ? 1 : 0;
if (!jd->huffbits[b][0] || !jd->huffbits[b][1]) { /* Check dc/ac huffman table for this component */
return JDR_FMT1; /* Err: Nnot loaded */
}
if (!jd->qttbl[jd->qtid[i]]) { /* Check dequantizer table for this component */
return JDR_FMT1; /* Err: Not loaded */
}
}
/* Allocate working buffer for MCU and RGB */
n = jd->msy * jd->msx; /* Number of Y blocks in the MCU */
if (!n) return JDR_FMT1; /* Err: SOF0 has not been loaded */
len = n * 64 * 2 + 64; /* Allocate buffer for IDCT and RGB output */
if (len < 256) len = 256; /* but at least 256 byte is required for IDCT */
jd->workbuf = alloc_pool(jd, len); /* and it may occupy a part of following MCU working buffer for RGB output */
if (!jd->workbuf) return JDR_MEM1; /* Err: not enough memory */
jd->mcubuf = (uint8_t*)alloc_pool(jd, (uint16_t)((n + 2) * 64)); /* Allocate MCU working buffer */
if (!jd->mcubuf) return JDR_MEM1; /* Err: not enough memory */
/* Pre-load the JPEG data to extract it from the bit stream */
jd->dptr = seg; jd->dctr = 0; jd->dmsk = 0; /* Prepare to read bit stream */
if (ofs %= JD_SZBUF) { /* Align read offset to JD_SZBUF */
jd->dctr = jd->infunc(jd, seg + ofs, (uint16_t)(JD_SZBUF - ofs));
jd->dptr = seg + ofs - 1;
}
return JDR_OK; /* Initialization succeeded. Ready to decompress the JPEG image. */
case 0xC1: /* SOF1 */
case 0xC2: /* SOF2 */
case 0xC3: /* SOF3 */
case 0xC5: /* SOF5 */
case 0xC6: /* SOF6 */
case 0xC7: /* SOF7 */
case 0xC9: /* SOF9 */
case 0xCA: /* SOF10 */
case 0xCB: /* SOF11 */
case 0xCD: /* SOF13 */
case 0xCE: /* SOF14 */
case 0xCF: /* SOF15 */
case 0xD9: /* EOI */
return JDR_FMT3; /* Unsuppoted JPEG standard (may be progressive JPEG) */
default: /* Unknown segment (comment, exif or etc..) */
/* Skip segment data */
if (jd->infunc(jd, 0, len) != len) { /* Null pointer specifies to skip bytes of stream */
return JDR_INP;
}
}
}
}
/*-----------------------------------------------------------------------*/
/* Start to decompress the JPEG picture */
/*-----------------------------------------------------------------------*/
JRESULT jd_decomp (
JDEC* jd, /* Initialized decompression object */
uint16_t (*outfunc)(JDEC*, void*, JRECT*), /* RGB output function */
uint8_t scale /* Output de-scaling factor (0 to 3) */
)
{
uint16_t x, y, mx, my;
uint16_t rst, rsc;
JRESULT rc;
if (scale > (JD_USE_SCALE ? 3 : 0)) return JDR_PAR;
jd->scale = scale;
mx = jd->msx * 8; my = jd->msy * 8; /* Size of the MCU (pixel) */
jd->dcv[2] = jd->dcv[1] = jd->dcv[0] = 0; /* Initialize DC values */
rst = rsc = 0;
rc = JDR_OK;
for (y = 0; y < jd->height; y += my) { /* Vertical loop of MCUs */
for (x = 0; x < jd->width; x += mx) { /* Horizontal loop of MCUs */
if (jd->nrst && rst++ == jd->nrst) { /* Process restart interval if enabled */
rc = restart(jd, rsc++);
if (rc != JDR_OK) return rc;
rst = 1;
}
rc = mcu_load(jd); /* Load an MCU (decompress huffman coded stream and apply IDCT) */
if (rc != JDR_OK) return rc;
rc = mcu_output(jd, outfunc, x, y); /* Output the MCU (color space conversion, scaling and output) */
if (rc != JDR_OK) return rc;
}
}
return rc;
}

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@ -7,72 +7,69 @@
CONDITIONS OF ANY KIND, either express or implied.
*/
/*
The image used for the effect on the LCD in the SPI master example is stored in flash
as a jpeg file. This file contains the decode_image routine, which uses the tiny JPEG
decoder library in ROM to decode this JPEG into a format that can be sent to the display.
The image used for the effect on the LCD in the SPI master example is stored in flash
as a jpeg file. This file contains the decode_image routine, which uses the tiny JPEG
decoder library to decode this JPEG into a format that can be sent to the display.
Keep in mind that the decoder library cannot handle progressive files (will give
Keep in mind that the decoder library cannot handle progressive files (will give
``Image decoder: jd_prepare failed (8)`` as an error) so make sure to save in the correct
format if you want to use a different image file.
*/
#include "decode_image.h"
#include "esp32/rom/tjpgd.h"
#include "tjpgd.h"
#include "esp_log.h"
#include <string.h>
//Reference the binary-included jpeg file
extern const uint8_t image_jpg_start[] asm("_binary_image_jpg_start");
extern const uint8_t image_jpg_end[] asm("_binary_image_jpg_end");
extern const uint8_t image_jpg_start[] asm("_binary_image_jpg_start");
extern const uint8_t image_jpg_end[] asm("_binary_image_jpg_end");
//Define the height and width of the jpeg file. Make sure this matches the actual jpeg
//dimensions.
#define IMAGE_W 336
#define IMAGE_H 256
const char *TAG="ImageDec";
const char *TAG = "ImageDec";
//Data that is passed from the decoder function to the infunc/outfunc functions.
typedef struct {
const unsigned char *inData; //Pointer to jpeg data
int inPos; //Current position in jpeg data
uint16_t **outData; //Array of IMAGE_H pointers to arrays of IMAGE_W 16-bit pixel values
int outW; //Width of the resulting file
int outH; //Height of the resulting file
const unsigned char *inData; //Pointer to jpeg data
uint16_t inPos; //Current position in jpeg data
uint16_t **outData; //Array of IMAGE_H pointers to arrays of IMAGE_W 16-bit pixel values
int outW; //Width of the resulting file
int outH; //Height of the resulting file
} JpegDev;
//Input function for jpeg decoder. Just returns bytes from the inData field of the JpegDev structure.
static UINT infunc(JDEC *decoder, BYTE *buf, UINT len)
static uint16_t infunc(JDEC *decoder, uint8_t *buf, uint16_t len)
{
//Read bytes from input file
JpegDev *jd=(JpegDev*)decoder->device;
if (buf!=NULL) memcpy(buf, jd->inData+jd->inPos, len);
jd->inPos+=len;
JpegDev *jd = (JpegDev *)decoder->device;
if (buf != NULL) {
memcpy(buf, jd->inData + jd->inPos, len);
}
jd->inPos += len;
return len;
}
//Output function. Re-encodes the RGB888 data from the decoder as big-endian RGB565 and
//stores it in the outData array of the JpegDev structure.
static UINT outfunc(JDEC *decoder, void *bitmap, JRECT *rect)
static uint16_t outfunc(JDEC *decoder, void *bitmap, JRECT *rect)
{
JpegDev *jd=(JpegDev*)decoder->device;
uint8_t *in=(uint8_t*)bitmap;
for (int y=rect->top; y<=rect->bottom; y++) {
for (int x=rect->left; x<=rect->right; x++) {
JpegDev *jd = (JpegDev *)decoder->device;
uint8_t *in = (uint8_t *)bitmap;
for (int y = rect->top; y <= rect->bottom; y++) {
for (int x = rect->left; x <= rect->right; x++) {
//We need to convert the 3 bytes in `in` to a rgb565 value.
uint16_t v=0;
v|=((in[0]>>3)<<11);
v|=((in[1]>>2)<<5);
v|=((in[2]>>3)<<0);
uint16_t v = 0;
v |= ((in[0] >> 3) << 11);
v |= ((in[1] >> 2) << 5);
v |= ((in[2] >> 3) << 0);
//The LCD wants the 16-bit value in big-endian, so swap bytes
v=(v>>8)|(v<<8);
jd->outData[y][x]=v;
in+=3;
v = (v >> 8) | (v << 8);
jd->outData[y][x] = v;
in += 3;
}
}
return 1;
@ -82,68 +79,67 @@ static UINT outfunc(JDEC *decoder, void *bitmap, JRECT *rect)
#define WORKSZ 3100
//Decode the embedded image into pixel lines that can be used with the rest of the logic.
esp_err_t decode_image(uint16_t ***pixels)
esp_err_t decode_image(uint16_t ***pixels)
{
char *work=NULL;
char *work = NULL;
int r;
JDEC decoder;
JpegDev jd;
*pixels=NULL;
esp_err_t ret=ESP_OK;
*pixels = NULL;
esp_err_t ret = ESP_OK;
//Alocate pixel memory. Each line is an array of IMAGE_W 16-bit pixels; the `*pixels` array itself contains pointers to these lines.
*pixels=calloc(IMAGE_H, sizeof(uint16_t*));
if (*pixels==NULL) {
*pixels = calloc(IMAGE_H, sizeof(uint16_t *));
if (*pixels == NULL) {
ESP_LOGE(TAG, "Error allocating memory for lines");
ret=ESP_ERR_NO_MEM;
ret = ESP_ERR_NO_MEM;
goto err;
}
for (int i=0; i<IMAGE_H; i++) {
(*pixels)[i]=malloc(IMAGE_W*sizeof(uint16_t));
if ((*pixels)[i]==NULL) {
for (int i = 0; i < IMAGE_H; i++) {
(*pixels)[i] = malloc(IMAGE_W * sizeof(uint16_t));
if ((*pixels)[i] == NULL) {
ESP_LOGE(TAG, "Error allocating memory for line %d", i);
ret=ESP_ERR_NO_MEM;
ret = ESP_ERR_NO_MEM;
goto err;
}
}
//Allocate the work space for the jpeg decoder.
work=calloc(WORKSZ, 1);
if (work==NULL) {
work = calloc(WORKSZ, 1);
if (work == NULL) {
ESP_LOGE(TAG, "Cannot allocate workspace");
ret=ESP_ERR_NO_MEM;
ret = ESP_ERR_NO_MEM;
goto err;
}
//Populate fields of the JpegDev struct.
jd.inData=image_jpg_start;
jd.inPos=0;
jd.outData=*pixels;
jd.outW=IMAGE_W;
jd.outH=IMAGE_H;
jd.inData = image_jpg_start;
jd.inPos = 0;
jd.outData = *pixels;
jd.outW = IMAGE_W;
jd.outH = IMAGE_H;
//Prepare and decode the jpeg.
r=jd_prepare(&decoder, infunc, work, WORKSZ, (void*)&jd);
if (r!=JDR_OK) {
r = jd_prepare(&decoder, infunc, work, WORKSZ, (void *)&jd);
if (r != JDR_OK) {
ESP_LOGE(TAG, "Image decoder: jd_prepare failed (%d)", r);
ret=ESP_ERR_NOT_SUPPORTED;
ret = ESP_ERR_NOT_SUPPORTED;
goto err;
}
r=jd_decomp(&decoder, outfunc, 0);
if (r!=JDR_OK) {
r = jd_decomp(&decoder, outfunc, 0);
if (r != JDR_OK && r != JDR_FMT1) {
ESP_LOGE(TAG, "Image decoder: jd_decode failed (%d)", r);
ret=ESP_ERR_NOT_SUPPORTED;
ret = ESP_ERR_NOT_SUPPORTED;
goto err;
}
//All done! Free the work area (as we don't need it anymore) and return victoriously.
free(work);
return ret;
err:
//Something went wrong! Exit cleanly, de-allocating everything we allocated.
if (*pixels!=NULL) {
for (int i=0; i<IMAGE_H; i++) {
if (*pixels != NULL) {
for (int i = 0; i < IMAGE_H; i++) {
free((*pixels)[i]);
}
free(*pixels);

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@ -27,7 +27,6 @@
#include "esp_event_loop.h"
#include "nvs_flash.h"
#include "soc/rtc_periph.h"
#include "esp32/rom/cache.h"
#include "driver/spi_slave.h"
#include "esp_log.h"
#include "esp_spi_flash.h"

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@ -27,7 +27,6 @@
#include "esp_event_loop.h"
#include "nvs_flash.h"
#include "soc/rtc_periph.h"
#include "esp32/rom/cache.h"
#include "driver/spi_master.h"
#include "esp_log.h"
#include "esp_spi_flash.h"
@ -39,12 +38,12 @@
/*
SPI sender (master) example.
This example is supposed to work together with the SPI receiver. It uses the standard SPI pins (MISO, MOSI, SCLK, CS) to
This example is supposed to work together with the SPI receiver. It uses the standard SPI pins (MISO, MOSI, SCLK, CS) to
transmit data over in a full-duplex fashion, that is, while the master puts data on the MOSI pin, the slave puts its own
data on the MISO pin.
This example uses one extra pin: GPIO_HANDSHAKE is used as a handshake pin. The slave makes this pin high as soon as it is
ready to receive/send data. This code connects this line to a GPIO interrupt which gives the rdySem semaphore. The main
ready to receive/send data. This code connects this line to a GPIO interrupt which gives the rdySem semaphore. The main
task waits for this semaphore to be given before queueing a transmission.
*/
@ -137,7 +136,7 @@ void app_main(void)
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &handle);
assert(ret==ESP_OK);
//Assume the slave is ready for the first transmission: if the slave started up before us, we will not detect
//Assume the slave is ready for the first transmission: if the slave started up before us, we will not detect
//positive edge on the handshake line.
xSemaphoreGive(rdySem);

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@ -20,7 +20,6 @@
#include "argtable3/argtable3.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp32/rom/uart.h"
#include "cmd_system.h"
#include "sdkconfig.h"
@ -292,7 +291,7 @@ static int light_sleep(int argc, char **argv)
ESP_ERROR_CHECK( esp_sleep_enable_uart_wakeup(CONFIG_ESP_CONSOLE_UART_NUM) );
}
fflush(stdout);
uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
uart_wait_tx_idle_polling(CONFIG_ESP_CONSOLE_UART_NUM);
esp_light_sleep_start();
esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
const char *cause_str;

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@ -16,7 +16,6 @@
#include "nvs_flash.h"
#include "esp_heap_caps.h"
#include "esp32/spiram.h"
#include "esp32/rom/cache.h"
#include "sdkconfig.h"
#include "esp32/himem.h"

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@ -16,7 +16,7 @@
#include "freertos/task.h"
#include "esp_sleep.h"
#include "esp_log.h"
#include "esp32/rom/uart.h"
#include "driver/uart.h"
#include "driver/rtc_io.h"
/* Most development boards have "boot" button attached to GPIO0.
@ -57,7 +57,7 @@ void app_main(void)
/* To make sure the complete line is printed before entering sleep mode,
* need to wait until UART TX FIFO is empty:
*/
uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
uart_wait_tx_idle_polling(CONFIG_ESP_CONSOLE_UART_NUM);
/* Get timestamp before entering sleep */
int64_t t_before_us = esp_timer_get_time();

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@ -26,8 +26,7 @@
#include "esp_log.h"
#include "esp_system.h"
#include "esp_now.h"
#include "esp32/rom/ets_sys.h"
#include "esp32/rom/crc.h"
#include "esp_crc.h"
#include "espnow_example.h"
static const char *TAG = "espnow_example";
@ -123,7 +122,7 @@ int example_espnow_data_parse(uint8_t *data, uint16_t data_len, uint8_t *state,
*magic = buf->magic;
crc = buf->crc;
buf->crc = 0;
crc_cal = crc16_le(UINT16_MAX, (uint8_t const *)buf, data_len);
crc_cal = esp_crc16_le(UINT16_MAX, (uint8_t const *)buf, data_len);
if (crc_cal == crc) {
return buf->type;
@ -146,7 +145,7 @@ void example_espnow_data_prepare(example_espnow_send_param_t *send_param)
buf->magic = send_param->magic;
/* Fill all remaining bytes after the data with random values */
esp_fill_random(buf->payload, send_param->len - sizeof(example_espnow_data_t));
buf->crc = crc16_le(UINT16_MAX, (uint8_t const *)buf, send_param->len);
buf->crc = esp_crc16_le(UINT16_MAX, (uint8_t const *)buf, send_param->len);
}
static void example_espnow_task(void *pvParameter)

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@ -0,0 +1,19 @@
#!/bin/bash
# Examples shouldn't include rom headers directly
output=$(find ${IDF_PATH}/examples -name "*.[chS]" -o -name "*.cpp" -not -path "**/build/**")
files=$(grep ".*include.*rom.*h" ${output} | cut -d ":" -f 1)
found_rom=0
for file in ${files}
do
echo "${file} contains rom headers!"
found_rom=`expr $found_rom + 1`;
done
if [ $found_rom -eq 0 ]; then
echo "No rom headers found in examples"
exit 0
fi
exit 1

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@ -42,6 +42,11 @@ check_examples_cmake_make:
script:
- tools/ci/check_examples_cmake_make.sh
check_examples_rom_header:
extends: .check_job_template_with_filter
script:
- tools/ci/check_examples_rom_header.sh
check_python_style:
extends: .check_job_template_with_filter
artifacts:

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@ -35,6 +35,7 @@ tools/ci/build_examples_cmake.sh
tools/ci/check-executable.sh
tools/ci/check-line-endings.sh
tools/ci/check_examples_cmake_make.sh
tools/ci/check_examples_rom_header.sh
tools/ci/check_idf_version.sh
tools/ci/check_ut_cmake_make.sh
tools/ci/checkout_project_ref.py