feat(perf): accelerate image download and raster conversion

This commit is contained in:
admin
2026-02-25 16:14:04 +08:00
parent 7965818d13
commit 528f901fb5
6 changed files with 430 additions and 49 deletions

View File

@@ -40,6 +40,7 @@ idf_component_register(
"platform/internal"
REQUIRES
bt
esp_coex
esp_wifi
esp_netif
esp_event

View File

@@ -34,7 +34,7 @@ config TQ_Z_IMAGE_MODEL
config TQ_Z_IMAGE_DEFAULT_SIZE
string "Z-Image default output size"
default "1024*1536"
default "512*768"
config TQ_Z_IMAGE_TIMEOUT_MS
int "Z-Image generation timeout (ms)"
@@ -56,6 +56,20 @@ config TQ_Z_IMAGE_MAX_PNG_BYTES
range 65536 8388608
default 4194304
config TQ_Z_IMAGE_HTTP_BUFFER_BYTES
int "Z-Image HTTP client buffer bytes"
range 4096 32768
default 16384
config TQ_Z_IMAGE_HTTP_READ_CHUNK_BYTES
int "Z-Image HTTP stream read chunk bytes"
range 4096 32768
default 16384
config TQ_Z_IMAGE_COEX_PREFER_WIFI_DURING_DOWNLOAD
bool "Prefer Wi-Fi RF during image download"
default y
config TQ_VOICE_API_KEY
string "Voice API Key for DashScope WebSocket (optional)"
default "sk-7a50eca6856d4afb968ac3bf512f6d1b"

View File

@@ -5,10 +5,15 @@
#include <string.h>
#include "cJSON.h"
#include "esp_coexist.h"
#include "esp_crt_bundle.h"
#include "esp_heap_caps.h"
#include "esp_http_client.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "freertos/task.h"
#ifndef CONFIG_TQ_Z_IMAGE_API_ENDPOINT
#define CONFIG_TQ_Z_IMAGE_API_ENDPOINT "https://dashscope.aliyuncs.com/api/v1/services/aigc/multimodal-generation/generation"
@@ -19,7 +24,7 @@
#endif
#ifndef CONFIG_TQ_Z_IMAGE_DEFAULT_SIZE
#define CONFIG_TQ_Z_IMAGE_DEFAULT_SIZE "1024*1536"
#define CONFIG_TQ_Z_IMAGE_DEFAULT_SIZE "512*768"
#endif
#ifndef CONFIG_TQ_Z_IMAGE_TIMEOUT_MS
@@ -38,8 +43,31 @@
#define CONFIG_TQ_Z_IMAGE_MAX_PNG_BYTES (4 * 1024 * 1024)
#endif
#ifndef CONFIG_TQ_Z_IMAGE_HTTP_READ_CHUNK_BYTES
#define CONFIG_TQ_Z_IMAGE_HTTP_READ_CHUNK_BYTES 16384
#endif
#ifndef CONFIG_TQ_Z_IMAGE_HTTP_BUFFER_BYTES
#define CONFIG_TQ_Z_IMAGE_HTTP_BUFFER_BYTES 16384
#endif
#define IMAGE_HTTP_READ_CHUNK_BYTES ((size_t)CONFIG_TQ_Z_IMAGE_HTTP_READ_CHUNK_BYTES)
#define IMAGE_HTTP_BUFFER_BYTES CONFIG_TQ_Z_IMAGE_HTTP_BUFFER_BYTES
#define IMAGE_PREWARM_TIMEOUT_MS 2500
#define IMAGE_PREWARM_STACK 5120
#if CONFIG_FREERTOS_UNICORE
#define IMAGE_WORKER_CORE_ID 0
#else
#define IMAGE_WORKER_CORE_ID 1
#endif
static const char *TAG = "image_generation";
typedef struct {
char oss_origin[160];
} image_prewarm_task_arg_t;
typedef struct {
uint8_t *data;
size_t len;
@@ -47,6 +75,40 @@ typedef struct {
size_t max_len;
} bytes_buffer_t;
static SemaphoreHandle_t s_prewarm_lock;
static bool s_prewarm_running;
static char s_last_oss_origin[160] = "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/";
static bool image_generation_boost_coex_for_download(void) {
#if CONFIG_ESP_COEX_SW_COEXIST_ENABLE && CONFIG_TQ_Z_IMAGE_COEX_PREFER_WIFI_DURING_DOWNLOAD
esp_err_t rc = esp_coex_preference_set(ESP_COEX_PREFER_WIFI);
if (rc != ESP_OK) {
ESP_LOGW(TAG, "failed to prefer Wi-Fi coexist mode, rc=0x%x", (unsigned)rc);
return false;
}
ESP_LOGI(TAG, "coexist prefer Wi-Fi enabled for image download");
return true;
#else
return false;
#endif
}
static void image_generation_restore_coex_after_download(bool boosted) {
#if CONFIG_ESP_COEX_SW_COEXIST_ENABLE && CONFIG_TQ_Z_IMAGE_COEX_PREFER_WIFI_DURING_DOWNLOAD
if (!boosted) {
return;
}
esp_err_t rc = esp_coex_preference_set(ESP_COEX_PREFER_BALANCE);
if (rc != ESP_OK) {
ESP_LOGW(TAG, "failed to restore coexist balance mode, rc=0x%x", (unsigned)rc);
return;
}
ESP_LOGI(TAG, "coexist preference restored to balance");
#else
(void)boosted;
#endif
}
static void image_generation_fill_err(char *err, size_t err_len, const char *msg) {
if (err != NULL && err_len > 0) {
snprintf(err, err_len, "%s", msg != NULL ? msg : "unknown error");
@@ -149,6 +211,206 @@ static const char *image_generation_api_key(void) {
return NULL;
}
static void prewarm_lock_init_if_needed(void) {
if (s_prewarm_lock != NULL) {
return;
}
s_prewarm_lock = xSemaphoreCreateMutex();
}
static bool url_extract_origin(const char *url, char *out_origin, size_t out_origin_len) {
if (url == NULL || out_origin == NULL || out_origin_len == 0) {
return false;
}
const char *scheme = strstr(url, "://");
if (scheme == NULL || scheme == url) {
return false;
}
const char *host = scheme + 3;
if (*host == '\0') {
return false;
}
const char *path = strchr(host, '/');
size_t host_len = path != NULL ? (size_t)(path - host) : strlen(host);
if (host_len == 0) {
return false;
}
int n = snprintf(out_origin,
out_origin_len,
"%.*s://%.*s/",
(int)(scheme - url),
url,
(int)host_len,
host);
return n > 0 && (size_t)n < out_origin_len;
}
static void image_generation_remember_oss_origin(const char *image_url) {
char origin[160] = {0};
if (!url_extract_origin(image_url, origin, sizeof(origin))) {
return;
}
prewarm_lock_init_if_needed();
if (s_prewarm_lock == NULL) {
return;
}
if (xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) != pdTRUE) {
return;
}
strlcpy(s_last_oss_origin, origin, sizeof(s_last_oss_origin));
xSemaphoreGive(s_prewarm_lock);
}
static void image_generation_copy_oss_origin(char *out_origin, size_t out_origin_len) {
if (out_origin == NULL || out_origin_len == 0) {
return;
}
out_origin[0] = '\0';
prewarm_lock_init_if_needed();
if (s_prewarm_lock == NULL) {
strlcpy(out_origin, s_last_oss_origin, out_origin_len);
return;
}
if (xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) != pdTRUE) {
strlcpy(out_origin, s_last_oss_origin, out_origin_len);
return;
}
strlcpy(out_origin, s_last_oss_origin, out_origin_len);
xSemaphoreGive(s_prewarm_lock);
}
static esp_err_t image_generation_http_prewarm_head(const char *url,
const char *auth_header,
uint32_t timeout_ms) {
if (url == NULL || url[0] == '\0') {
return ESP_ERR_INVALID_ARG;
}
esp_http_client_config_t cfg = {
.url = url,
.method = HTTP_METHOD_HEAD,
.timeout_ms = (int)timeout_ms,
.keep_alive_enable = true,
.buffer_size = 1024,
.buffer_size_tx = 1024,
.crt_bundle_attach = esp_crt_bundle_attach,
};
esp_http_client_handle_t client = esp_http_client_init(&cfg);
if (client == NULL) {
return ESP_FAIL;
}
if (auth_header != NULL && auth_header[0] != '\0') {
esp_http_client_set_header(client, "Authorization", auth_header);
}
esp_err_t rc = esp_http_client_open(client, 0);
if (rc == ESP_OK) {
(void)esp_http_client_fetch_headers(client);
esp_http_client_close(client);
}
esp_http_client_cleanup(client);
return rc;
}
static void image_generation_prewarm_task(void *arg) {
image_prewarm_task_arg_t *task_arg = (image_prewarm_task_arg_t *)arg;
char oss_origin[160] = {0};
if (task_arg != NULL) {
strlcpy(oss_origin, task_arg->oss_origin, sizeof(oss_origin));
free(task_arg);
}
int64_t start_ms = esp_timer_get_time() / 1000;
const char *api_key = image_generation_api_key();
char auth_header[192] = {0};
const char *auth = NULL;
if (api_key != NULL) {
snprintf(auth_header, sizeof(auth_header), "Bearer %s", api_key);
auth = auth_header;
}
esp_err_t gen_rc = image_generation_http_prewarm_head(CONFIG_TQ_Z_IMAGE_API_ENDPOINT,
auth,
IMAGE_PREWARM_TIMEOUT_MS);
esp_err_t oss_rc = image_generation_http_prewarm_head(oss_origin,
NULL,
IMAGE_PREWARM_TIMEOUT_MS);
int64_t done_ms = esp_timer_get_time() / 1000;
ESP_LOGI(TAG,
"https prewarm done, gen_rc=0x%x, oss_rc=0x%x, cost_ms=%lld",
(unsigned)gen_rc,
(unsigned)oss_rc,
(long long)(done_ms - start_ms));
prewarm_lock_init_if_needed();
if (s_prewarm_lock != NULL && xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) == pdTRUE) {
s_prewarm_running = false;
xSemaphoreGive(s_prewarm_lock);
} else {
s_prewarm_running = false;
}
vTaskDelete(NULL);
}
void image_generation_schedule_prewarm(void) {
prewarm_lock_init_if_needed();
if (s_prewarm_lock == NULL) {
return;
}
if (xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) != pdTRUE) {
return;
}
if (s_prewarm_running) {
xSemaphoreGive(s_prewarm_lock);
return;
}
s_prewarm_running = true;
xSemaphoreGive(s_prewarm_lock);
image_prewarm_task_arg_t *arg = (image_prewarm_task_arg_t *)calloc(1, sizeof(*arg));
if (arg == NULL) {
if (xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) == pdTRUE) {
s_prewarm_running = false;
xSemaphoreGive(s_prewarm_lock);
} else {
s_prewarm_running = false;
}
return;
}
image_generation_copy_oss_origin(arg->oss_origin, sizeof(arg->oss_origin));
BaseType_t ok = xTaskCreatePinnedToCore(image_generation_prewarm_task,
"img_prewarm",
IMAGE_PREWARM_STACK,
arg,
4,
NULL,
IMAGE_WORKER_CORE_ID);
if (ok != pdPASS) {
free(arg);
if (xSemaphoreTake(s_prewarm_lock, pdMS_TO_TICKS(100)) == pdTRUE) {
s_prewarm_running = false;
xSemaphoreGive(s_prewarm_lock);
} else {
s_prewarm_running = false;
}
ESP_LOGW(TAG, "failed to create prewarm task");
}
}
static esp_err_t http_read_full_response(esp_http_client_handle_t client,
bytes_buffer_t *out_body,
char *err,
@@ -158,14 +420,21 @@ static esp_err_t http_read_full_response(esp_http_client_handle_t client,
return ESP_ERR_INVALID_ARG;
}
char tmp[1024];
char *tmp = (char *)malloc_prefer_psram(IMAGE_HTTP_READ_CHUNK_BYTES);
if (tmp == NULL) {
image_generation_fill_err(err, err_len, "no memory for http read buffer");
return ESP_ERR_NO_MEM;
}
while (true) {
int n = esp_http_client_read(client, tmp, sizeof(tmp));
int n = esp_http_client_read(client, tmp, IMAGE_HTTP_READ_CHUNK_BYTES);
if (n < 0) {
free(tmp);
image_generation_fill_err(err, err_len, "http read failed");
return ESP_FAIL;
}
if (n == 0) {
free(tmp);
if (esp_http_client_is_complete_data_received(client)) {
return ESP_OK;
}
@@ -175,6 +444,7 @@ static esp_err_t http_read_full_response(esp_http_client_handle_t client,
esp_err_t append_rc = bytes_buffer_append(out_body, tmp, (size_t)n);
if (append_rc != ESP_OK) {
free(tmp);
image_generation_fill_err(err, err_len, "http response too large");
return append_rc;
}
@@ -231,6 +501,16 @@ static esp_err_t http_request_collect(const esp_http_client_config_t *config,
image_generation_fill_err(err, err_len, "http response too large");
return ESP_ERR_INVALID_SIZE;
}
if (content_len > 0) {
esp_err_t reserve_rc = bytes_buffer_reserve(out_body, (size_t)content_len);
if (reserve_rc != ESP_OK) {
esp_http_client_close(client);
esp_http_client_cleanup(client);
image_generation_fill_err(err, err_len, "no memory for http response");
return reserve_rc;
}
}
if (out_status_code != NULL) {
*out_status_code = esp_http_client_get_status_code(client);
}
@@ -402,9 +682,9 @@ static esp_err_t image_generation_invoke_model(const image_generation_request_t
.url = CONFIG_TQ_Z_IMAGE_API_ENDPOINT,
.method = HTTP_METHOD_POST,
.timeout_ms = (int)req->generation_timeout_ms,
.keep_alive_enable = false,
.buffer_size = 2048,
.buffer_size_tx = 2048,
.keep_alive_enable = true,
.buffer_size = IMAGE_HTTP_BUFFER_BYTES,
.buffer_size_tx = IMAGE_HTTP_BUFFER_BYTES,
.crt_bundle_attach = esp_crt_bundle_attach,
};
@@ -491,6 +771,8 @@ static esp_err_t image_generation_invoke_model(const image_generation_request_t
return ESP_FAIL;
}
image_generation_remember_oss_origin(out_result->image_url);
ESP_LOGI(TAG,
"z-image response ready, request_id=%s, model_size=%ux%u, image_url_len=%u",
out_result->request_id[0] != '\0' ? out_result->request_id : "-",
@@ -507,13 +789,14 @@ static esp_err_t image_generation_download_png(image_generation_result_t *out_re
char *err,
size_t err_len) {
ESP_LOGI(TAG, "generated image download start, timeout_ms=%u", (unsigned)timeout_ms);
bool coex_boosted = image_generation_boost_coex_for_download();
esp_http_client_config_t config = {
.url = out_result->image_url,
.method = HTTP_METHOD_GET,
.timeout_ms = (int)timeout_ms,
.keep_alive_enable = false,
.buffer_size = 2048,
.keep_alive_enable = true,
.buffer_size = IMAGE_HTTP_BUFFER_BYTES,
.crt_bundle_attach = esp_crt_bundle_attach,
};
@@ -537,6 +820,7 @@ static esp_err_t image_generation_download_png(image_generation_result_t *out_re
(unsigned)rc,
(err != NULL && err[0] != '\0') ? err : "download failed");
bytes_buffer_free(&resp);
image_generation_restore_coex_after_download(coex_boosted);
return rc;
}
@@ -545,6 +829,7 @@ static esp_err_t image_generation_download_png(image_generation_result_t *out_re
if (rc != ESP_OK) {
bytes_buffer_free(&resp);
image_generation_fill_err(err, err_len, "image download failed");
image_generation_restore_coex_after_download(coex_boosted);
return ESP_FAIL;
}
extract_remote_error_message((const char *)resp.data, http_status, err, err_len);
@@ -553,6 +838,7 @@ static esp_err_t image_generation_download_png(image_generation_result_t *out_re
http_status,
(err != NULL && err[0] != '\0') ? err : "image download failed");
bytes_buffer_free(&resp);
image_generation_restore_coex_after_download(coex_boosted);
return ESP_FAIL;
}
@@ -563,12 +849,14 @@ static esp_err_t image_generation_download_png(image_generation_result_t *out_re
bytes_buffer_free(&resp);
image_generation_fill_err(err, err_len, "downloaded image is not png");
ESP_LOGW(TAG, "generated image download invalid png signature");
image_generation_restore_coex_after_download(coex_boosted);
return ESP_FAIL;
}
out_result->png = resp.data;
out_result->png_len = resp.len;
ESP_LOGI(TAG, "generated image download done, png_bytes=%u", (unsigned)out_result->png_len);
image_generation_restore_coex_after_download(coex_boosted);
return ESP_OK;
}
@@ -615,6 +903,8 @@ esp_err_t image_generation_generate_png(const image_generation_request_t *req,
actual.has_seed ? "set" : "auto",
(unsigned)actual.generation_timeout_ms,
(unsigned)actual.download_timeout_ms);
int64_t t0_ms = esp_timer_get_time() / 1000;
esp_err_t gen_rc = image_generation_invoke_model(&actual, out_result, err, err_len);
if (gen_rc != ESP_OK) {
ESP_LOGW(TAG,
@@ -625,7 +915,11 @@ esp_err_t image_generation_generate_png(const image_generation_request_t *req,
return gen_rc;
}
ESP_LOGI(TAG, "image generate stage done, request_id=%s", out_result->request_id[0] != '\0' ? out_result->request_id : "-");
int64_t t_gen_done_ms = esp_timer_get_time() / 1000;
ESP_LOGI(TAG,
"image generate stage done, request_id=%s, gen_cost_ms=%lld",
out_result->request_id[0] != '\0' ? out_result->request_id : "-",
(long long)(t_gen_done_ms - t0_ms));
esp_err_t dl_rc = image_generation_download_png(out_result, actual.download_timeout_ms, err, err_len);
if (dl_rc != ESP_OK) {
ESP_LOGW(TAG,
@@ -636,10 +930,15 @@ esp_err_t image_generation_generate_png(const image_generation_request_t *req,
return dl_rc;
}
int64_t t_dl_done_ms = esp_timer_get_time() / 1000;
ESP_LOGI(TAG,
"image generation pipeline done, request_id=%s, png_bytes=%u",
"image generation pipeline done, request_id=%s, png_bytes=%u, gen_ms=%lld, download_ms=%lld, total_ms=%lld",
out_result->request_id[0] != '\0' ? out_result->request_id : "-",
(unsigned)out_result->png_len);
(unsigned)out_result->png_len,
(long long)(t_gen_done_ms - t0_ms),
(long long)(t_dl_done_ms - t_gen_done_ms),
(long long)(t_dl_done_ms - t0_ms));
return ESP_OK;
}

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@@ -14,6 +14,8 @@
#define PNG_DECODE_MAX_BYTES (2 * 1024 * 1024)
#define PNG_DECODE_MAX_WIDTH 1600
static const uint8_t s_bit_mask[8] = {0x80u, 0x40u, 0x20u, 0x10u, 0x08u, 0x04u, 0x02u, 0x01u};
static void set_black(uint8_t *buf, uint16_t width, uint16_t x, uint16_t y) {
if (x >= width) {
return;
@@ -40,30 +42,6 @@ static void *calloc_prefer_psram(size_t n, size_t size) {
return ptr;
}
static uint8_t sample_gray8_scaled(const uint8_t *gray,
uint16_t src_width,
uint16_t src_height,
bool scale_to_width,
uint16_t dst_height,
uint16_t x,
uint16_t y) {
uint16_t src_y = scale_to_width
? (uint16_t)(((uint32_t)y * src_height) / dst_height)
: y;
if (src_y >= src_height) {
src_y = (uint16_t)(src_height - 1);
}
uint16_t src_x = scale_to_width
? (uint16_t)(((uint32_t)x * src_width) / RASTER_WIDTH)
: x;
if (src_x >= src_width) {
src_x = (uint16_t)(src_width - 1);
}
return gray[(size_t)src_y * src_width + src_x];
}
static uint8_t gray8_to_work_luma(uint8_t gray, bool invert) {
return invert ? (uint8_t)(255u - gray) : gray;
}
@@ -165,9 +143,45 @@ esp_err_t raster_tools_convert_gray8_to_raster_384(const uint8_t *gray,
return ESP_ERR_INVALID_SIZE;
}
uint16_t *x_map = (uint16_t *)alloc_prefer_psram(sizeof(uint16_t) * RASTER_WIDTH);
uint16_t *y_map = (uint16_t *)alloc_prefer_psram(sizeof(uint16_t) * dst_height);
size_t total_px = (size_t)RASTER_WIDTH * dst_height;
uint8_t *luma = (uint8_t *)alloc_prefer_psram(total_px);
if (x_map == NULL || y_map == NULL || luma == NULL) {
free(x_map);
free(y_map);
free(luma);
if (err != NULL && err_len > 0) {
snprintf(err, err_len, "no memory");
}
return ESP_ERR_NO_MEM;
}
for (uint16_t x = 0; x < RASTER_WIDTH; ++x) {
uint16_t src_x = scale_to_width
? (uint16_t)(((uint32_t)x * src_width) / RASTER_WIDTH)
: x;
if (src_x >= src_width) {
src_x = (uint16_t)(src_width - 1);
}
x_map[x] = src_x;
}
for (uint16_t y = 0; y < dst_height; ++y) {
uint16_t src_y = scale_to_width
? (uint16_t)(((uint32_t)y * src_height) / dst_height)
: y;
if (src_y >= src_height) {
src_y = (uint16_t)(src_height - 1);
}
y_map[y] = src_y;
}
size_t len = (size_t)RASTER_BYTES_PER_ROW * dst_height;
uint8_t *raster = (uint8_t *)calloc_prefer_psram(1, len);
if (raster == NULL) {
free(x_map);
free(y_map);
free(luma);
if (err != NULL && err_len > 0) {
snprintf(err, err_len, "no memory");
}
@@ -176,17 +190,19 @@ esp_err_t raster_tools_convert_gray8_to_raster_384(const uint8_t *gray,
uint32_t hist[256] = {0};
uint64_t sum_luma = 0;
uint32_t total_px = (uint32_t)RASTER_WIDTH * (uint32_t)dst_height;
for (uint16_t y = 0; y < dst_height; ++y) {
const uint8_t *src_row = gray + (size_t)y_map[y] * src_width;
uint8_t *dst_luma_row = luma + (size_t)y * RASTER_WIDTH;
for (uint16_t x = 0; x < RASTER_WIDTH; ++x) {
uint8_t src_v = sample_gray8_scaled(gray, src_width, src_height, scale_to_width, dst_height, x, y);
uint8_t src_v = src_row[x_map[x]];
uint8_t work_v = gray8_to_work_luma(src_v, invert);
dst_luma_row[x] = work_v;
hist[work_v]++;
sum_luma += work_v;
}
}
uint8_t otsu_thr = compute_otsu_threshold(hist, total_px);
uint8_t otsu_thr = compute_otsu_threshold(hist, (uint32_t)total_px);
uint8_t mean_luma = total_px > 0 ? (uint8_t)(sum_luma / total_px) : (uint8_t)160;
/* Keep backward compatibility: threshold still works as bias around 160. */
@@ -208,26 +224,27 @@ esp_err_t raster_tools_convert_gray8_to_raster_384(const uint8_t *gray,
bool use_dither = (err_curr != NULL && err_next != NULL);
for (uint16_t y = 0; y < dst_height; ++y) {
const uint8_t *luma_row = luma + (size_t)y * RASTER_WIDTH;
uint8_t *raster_row = raster + (size_t)y * RASTER_BYTES_PER_ROW;
for (uint16_t x = 0; x < RASTER_WIDTH; ++x) {
uint8_t src_v = sample_gray8_scaled(gray, src_width, src_height, scale_to_width, dst_height, x, y);
int luma = (int)gray8_to_work_luma(src_v, invert);
int px_luma = (int)luma_row[x];
if (use_dither) {
luma += err_curr[x + 1u];
if (luma < 0) {
luma = 0;
} else if (luma > 255) {
luma = 255;
px_luma += err_curr[x + 1u];
if (px_luma < 0) {
px_luma = 0;
} else if (px_luma > 255) {
px_luma = 255;
}
}
bool black = luma < final_thr;
bool black = px_luma < final_thr;
if (black) {
set_black(raster, RASTER_WIDTH, x, y);
raster_row[x >> 3] |= s_bit_mask[x & 7u];
}
if (use_dither) {
int quantized = black ? 0 : 255;
int e = luma - quantized;
int e = px_luma - quantized;
if ((x + 1u) < RASTER_WIDTH) {
err_curr[x + 2u] += (int16_t)((e * 7) / 16);
@@ -248,6 +265,9 @@ esp_err_t raster_tools_convert_gray8_to_raster_384(const uint8_t *gray,
free(err_curr);
free(err_next);
free(x_map);
free(y_map);
free(luma);
*out_width = dst_width;
*out_height = dst_height;

View File

@@ -20,6 +20,30 @@ static int s_retry_num;
static bool s_ready;
static esp_netif_t *s_sta_netif;
static void wifi_manager_apply_sta_throughput_profile(void) {
const uint8_t protocol = WIFI_PROTOCOL_11B | WIFI_PROTOCOL_11G | WIFI_PROTOCOL_11N;
esp_err_t proto_rc = esp_wifi_set_protocol(WIFI_IF_STA, protocol);
if (proto_rc != ESP_OK) {
ESP_LOGW(TAG, "failed to set 11bgn protocol mask, rc=0x%x", (unsigned)proto_rc);
} else {
ESP_LOGI(TAG, "Wi-Fi protocol mask set to 11b/11g/11n");
}
esp_err_t bw_rc = esp_wifi_set_bandwidth(WIFI_IF_STA, WIFI_BW_HT40);
if (bw_rc == ESP_OK) {
ESP_LOGI(TAG, "Wi-Fi bandwidth set to HT40");
return;
}
ESP_LOGW(TAG, "failed to set HT40, fallback to HT20, rc=0x%x", (unsigned)bw_rc);
bw_rc = esp_wifi_set_bandwidth(WIFI_IF_STA, WIFI_BW_HT20);
if (bw_rc != ESP_OK) {
ESP_LOGW(TAG, "failed to set HT20 fallback, rc=0x%x", (unsigned)bw_rc);
} else {
ESP_LOGI(TAG, "Wi-Fi bandwidth set to HT20");
}
}
static void wifi_event_handler(void *arg,
esp_event_base_t event_base,
int32_t event_id,
@@ -78,6 +102,13 @@ static esp_err_t start_sta_mode(void) {
if (bits & WIFI_CONNECTED_BIT) {
ESP_LOGI(TAG, "connected to AP SSID:%s", CONFIG_TQ_WIFI_SSID);
wifi_manager_apply_sta_throughput_profile();
esp_err_t ps_rc = esp_wifi_set_ps(WIFI_PS_NONE);
if (ps_rc == ESP_OK) {
ESP_LOGI(TAG, "Wi-Fi power save disabled (WIFI_PS_NONE)");
} else {
ESP_LOGW(TAG, "failed to set WIFI_PS_NONE, rc=0x%x", (unsigned)ps_rc);
}
s_ready = true;
return ESP_OK;
}

View File

@@ -6,8 +6,24 @@ CONFIG_BT_NIMBLE_ROLE_CENTRAL=y
CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=247
# CONFIG_ESP_WIFI_SOFTAP_SUPPORT is not set
CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=24
CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=256
CONFIG_ESP_WIFI_STATIC_TX_BUFFER_NUM=32
CONFIG_ESP_WIFI_CACHE_TX_BUFFER_NUM=64
CONFIG_ESP_WIFI_TX_BA_WIN=16
CONFIG_ESP_WIFI_RX_BA_WIN=32
CONFIG_LWIP_WND_SCALE=y
CONFIG_LWIP_TCP_RCV_SCALE=3
CONFIG_LWIP_TCP_SND_BUF_DEFAULT=57344
CONFIG_LWIP_TCP_WND_DEFAULT=262144
CONFIG_LWIP_TCP_RECVMBOX_SIZE=192
CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=256
CONFIG_TQ_WIFI_SSID="TalkingQ"
CONFIG_TQ_WIFI_PASSWORD="TalkingQ123"
CONFIG_TQ_Z_IMAGE_DEFAULT_SIZE="512*768"
CONFIG_TQ_Z_IMAGE_HTTP_BUFFER_BYTES=16384
CONFIG_TQ_Z_IMAGE_HTTP_READ_CHUNK_BYTES=16384
CONFIG_TQ_Z_IMAGE_COEX_PREFER_WIFI_DURING_DOWNLOAD=y
# CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE is not set
CONFIG_PARTITION_TABLE_CUSTOM=y
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"