610 lines
17 KiB
C
610 lines
17 KiB
C
#include <stdio.h>
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#define LEPTON_ENABLE
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#include "mbedtls/base64.h"
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#define TAG "CAM"
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#include "esp_camera.h"
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#define PWDN_GPIO_NUM -1
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#define RESET_GPIO_NUM -1
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#define XCLK_GPIO_NUM 15
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#define SIOD_GPIO_NUM 4
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#define SIOC_GPIO_NUM 5
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#define Y2_GPIO_NUM 11
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#define Y3_GPIO_NUM 9
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#define Y4_GPIO_NUM 8
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#define Y5_GPIO_NUM 10
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#define Y6_GPIO_NUM 12
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#define Y7_GPIO_NUM 18
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#define Y8_GPIO_NUM 17
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#define Y9_GPIO_NUM 16
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#define VSYNC_GPIO_NUM 6
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#define HREF_GPIO_NUM 7
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#define PCLK_GPIO_NUM 13
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// #define ENABLE_LEPTON
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#define WIFI_IF WIFI_IF_AP
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#define MAX_PAYLOAD_SIZE 1472
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// uint8_t hehe[10000];
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#include "esp_event.h"
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#include "esp_system.h"
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#include "esp_event.h"
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#include "esp_timer.h"
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#include "esp_wifi.h"
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#include "esp_log.h"
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#include "esp_mac.h"
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#include "nvs_flash.h"
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#include "string.h"
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#include "lipton/cci.h"
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#include "lipton/vospi.h"
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#include "lipton/lepton_system.h"
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#include "lipton/lepton_utilities.h"
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#include <driver/uart.h>
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#include <math.h>
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// Number of consecutive VoSPI resynchronization attempts before attempting to reset
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#define LEP_SYNC_FAIL_FAULT_LIMIT 10
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// Reset fail delay before attempting a re-init (seconds)
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#define LEP_RESET_FAIL_RETRY_SECS 5
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#define BUF_SIZE 20000
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typedef struct {
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int x, y, width, height;
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} Rectangle;
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//
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// Code start
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//
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int vsync_count = 0;
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int sync_fail_count = 0;
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int reset_fail_count = 0;
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int64_t vsyncDetectedUsec;
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esp_err_t tx_with_retry(wifi_interface_t iface, const void *buffer, int len, bool en_sys_seq)
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{
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for (int i = 0; i < 160; i++)
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{
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esp_err_t err = esp_wifi_80211_tx(iface, buffer, len, en_sys_seq);
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if (err == ESP_OK)
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return ESP_OK;
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if (err != ESP_ERR_NO_MEM)
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return err;
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// No delay, retry immediately
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}
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return ESP_ERR_NO_MEM;
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}
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static camera_config_t camera_config = {
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.pin_pwdn = PWDN_GPIO_NUM,
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.pin_reset = RESET_GPIO_NUM,
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.pin_xclk = XCLK_GPIO_NUM,
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#ifndef LEPTON_ENABLE
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.pin_sccb_sda = SIOD_GPIO_NUM,
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.pin_sccb_scl = SIOC_GPIO_NUM,
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#else
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.pin_sccb_sda = -1,
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.pin_sccb_scl = -1,
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#endif
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.sccb_i2c_port = I2C_MASTER_NUM,
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.pin_d7 = Y9_GPIO_NUM,
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.pin_d6 = Y8_GPIO_NUM,
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.pin_d5 = Y7_GPIO_NUM,
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.pin_d4 = Y6_GPIO_NUM,
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.pin_d3 = Y5_GPIO_NUM,
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.pin_d2 = Y4_GPIO_NUM,
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.pin_d1 = Y3_GPIO_NUM,
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.pin_d0 = Y2_GPIO_NUM,
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.pin_vsync = VSYNC_GPIO_NUM,
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.pin_href = HREF_GPIO_NUM,
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.pin_pclk = PCLK_GPIO_NUM,
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.xclk_freq_hz = 20000000, // EXPERIMENTAL: Set to 16MHz on ESP32-S2 or ESP32-S3 to enable EDMA mode
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.ledc_timer = LEDC_TIMER_0,
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.ledc_channel = LEDC_CHANNEL_0,
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.pixel_format = PIXFORMAT_JPEG, // YUV422,GRAYSCALE,RGB565,JPEG
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.frame_size = FRAMESIZE_UXGA, // QQVGA-UXGA, For ESP32, do not use sizes above QVGA when not JPEG. The performance of the ESP32-S series has improved a lot, but JPEG mode always gives better frame rates.+
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//.frame_size = FRAMESIZE_128X128, // QQVGA-UXGA, For ESP32, do not use sizes above QVGA when not JPEG. The performance of the ESP32-S series has improved a lot, but JPEG mode always gives better frame rates.
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.jpeg_quality = 12, // 0-63, for OV series camera sensors, lower number means higher quality
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.fb_count = 1, // When jpeg mode is used, if fb_count more than one, the driver will work in continuous mode.
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//.fb_location = CAMERA_FB_IN_PSRAM,
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.fb_location = CAMERA_FB_IN_PSRAM,
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.grab_mode = CAMERA_GRAB_LATEST // CAMERA_GRAB_LATEST. Sets when buffers should be filled
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};
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esp_err_t esp_wifi_80211_tx(wifi_interface_t ifx, const void *buffer, int len, bool en_sys_seq);
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void send_data_frame(uint8_t type, uint8_t *data, size_t len)
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{
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uint8_t mac_addr[6];
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if (esp_wifi_get_mac(WIFI_IF_AP, mac_addr) != ESP_OK)
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{
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ESP_LOGE(TAG, "Failed to get MAC address");
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return;
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}
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// 802.11 header template
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uint8_t header[] = {
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0x08, 0x02, 0x00, 0x00,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // Destination: broadcast
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Source: MAC (to be set)
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // BSSID: MAC (to be set)
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0x10, 0x00 // Sequence control
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};
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memcpy(&header[10], mac_addr, 6); // Source
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memcpy(&header[16], mac_addr, 6); // BSSID
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size_t max_chunk_size = MAX_PAYLOAD_SIZE - (11 + 2 + 1); // Payload minus custom header and checksum
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size_t total_chunks = (len + max_chunk_size - 1) / max_chunk_size;
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ESP_LOGI(TAG, "Got data with %d bytes", len);
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size_t offset = 0;
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for (uint16_t seq = 0; seq < total_chunks; seq++)
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{
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size_t chunk_size = len - offset;
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if (chunk_size > max_chunk_size)
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{
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chunk_size = max_chunk_size;
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}
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size_t full_len = sizeof(header) + 11 + chunk_size;
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uint8_t *full_packet = malloc(full_len + 2);
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if (!full_packet)
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{
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ESP_LOGE(TAG, "Memory allocation failed!");
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return;
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}
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memcpy(full_packet, header, sizeof(header));
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uint8_t *payload = full_packet + sizeof(header);
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// Custom header
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payload[0] = type;
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payload[1] = seq >> 8;
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payload[2] = seq & 0xFF;
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payload[3] = total_chunks >> 8;
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payload[4] = total_chunks & 0xFF;
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payload[5] = 'P';
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payload[6] = 'l';
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payload[7] = 'e';
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payload[8] = 'c';
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payload[9] = 'y';
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payload[10] = 'C';
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memcpy(payload + 11, data + offset, chunk_size);
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ESP_LOGI(TAG, "TxTarget: %d bytes", full_len);
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full_packet[full_len] = 0;
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esp_err_t ret = tx_with_retry(WIFI_IF, full_packet, full_len + 2, true);
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// ESP_LOG_BUFFER_HEXDUMP(TAG, full_packet, full_len, ESP_LOG_INFO);
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if (ret == ESP_OK)
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{
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ESP_LOGI(TAG, "Sent chunk %d/%d, size: %d bytes", seq + 1, total_chunks, chunk_size);
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}
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else
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{
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ESP_LOGE(TAG, "Failed to send chunk %d, %s", seq, esp_err_to_name(ret));
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}
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free(full_packet);
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vTaskDelay(80 / portTICK_PERIOD_MS);
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offset += chunk_size;
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}
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}
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esp_err_t camera_init()
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{
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// initialize the camera
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esp_err_t err = esp_camera_init(&camera_config);
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if (err != ESP_OK)
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{
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ESP_LOGE(TAG, "Camera Init Failed");
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return err;
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}
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return ESP_OK;
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}
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typedef struct
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{
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bool isVisible;
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uint32_t len;
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uint16_t width;
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uint16_t height;
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pixformat_t format;
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struct timeval timestamp;
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} PreData;
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uint8_t *create_frame(const uint8_t *data, size_t *outSize, PreData pre)
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{
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const size_t headerSize = 19;
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const size_t totalSize = pre.len + headerSize;
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ESP_LOGI(TAG, "DataWithFrame: %d\n", totalSize);
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uint8_t *dataOut = malloc(totalSize);
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if (!dataOut)
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{
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ESP_LOGE(TAG, "Failed to allocate memory for frame");
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return NULL;
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}
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size_t bytePos = 0;
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int64_t time_us = (int64_t)pre.timestamp.tv_sec * 1000000L + (int64_t)pre.timestamp.tv_usec;
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dataOut[bytePos++] = pre.isVisible;
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dataOut[bytePos++] = (pre.len >> 24) & 0xFF;
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dataOut[bytePos++] = (pre.len >> 16) & 0xFF;
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dataOut[bytePos++] = (pre.len >> 8) & 0xFF;
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dataOut[bytePos++] = (pre.len) & 0xFF;
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dataOut[bytePos++] = (pre.width >> 8) & 0xFF;
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dataOut[bytePos++] = (pre.width) & 0xFF;
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dataOut[bytePos++] = (pre.height >> 8) & 0xFF;
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dataOut[bytePos++] = (pre.height) & 0xFF;
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dataOut[bytePos++] = (pre.format) & 0xFF;
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dataOut[bytePos++] = (time_us >> 56) & 0xFF;
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dataOut[bytePos++] = (time_us >> 48) & 0xFF;
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dataOut[bytePos++] = (time_us >> 40) & 0xFF;
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dataOut[bytePos++] = (time_us >> 32) & 0xFF;
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dataOut[bytePos++] = (time_us >> 24) & 0xFF;
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dataOut[bytePos++] = (time_us >> 16) & 0xFF;
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dataOut[bytePos++] = (time_us >> 8) & 0xFF;
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dataOut[bytePos++] = (time_us) & 0xFF;
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ESP_LOGI(TAG, "Vis: %d, len: %ld, width:%d, height:%d, format:%d, timestamp: %lld", pre.isVisible, pre.len, pre.width, pre.height, pre.format, time_us);
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// Copy image data after PreData
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memcpy(dataOut + bytePos, data, pre.len);
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*outSize = totalSize;
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return dataOut;
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}
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esp_err_t camera_capture()
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{
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ESP_LOGI(TAG, "Pregrab");
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camera_fb_t *fb = esp_camera_fb_get();
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ESP_LOGI(TAG, "Postgrab");
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if (!fb)
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{
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ESP_LOGE(TAG, "Camera Capture Failed");
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return ESP_FAIL;
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}
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// Fill PreData at the start
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PreData pre;
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pre.isVisible = true;
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pre.len = fb->len;
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pre.width = fb->width;
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pre.height = fb->height;
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pre.format = fb->format;
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pre.timestamp = fb->timestamp;
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size_t totalSize;
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uint8_t *dataOut = create_frame(fb->buf, &totalSize, pre);
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if (!dataOut)
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{
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esp_camera_fb_return(fb);
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return ESP_ERR_NO_MEM;
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}
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esp_camera_fb_return(fb);
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send_data_frame(0x10, dataOut, totalSize);
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free(dataOut);
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return ESP_OK;
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}
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uint8_t *take_picture()
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{
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gpio_set_level(LEP_CSN_PIN, 0);
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vTaskDelay(pdMS_TO_TICKS(10));
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while (1)
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{
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// Spin waiting for vsync to be asserted
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int t = 0;
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while (gpio_get_level(LEP_VSYNC_PIN) == 0 && t++ < 11000)
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{
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}
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vsyncDetectedUsec = esp_timer_get_time();
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// Attempt to process a segment
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if (t >= 22000 || vospi_transfer_segment(vsyncDetectedUsec))
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{
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// Got image
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vsync_count = 0;
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if (t >= 11000)
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printf("LEPOVF%d\n", t);
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else
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{
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printf("LEPNOVF%d\n", t);
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}
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// Copy the frame to the current half of the shared buffer and let rsp_task know
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vospi_get_frame(&rsp_lep_buffer);
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// Hold fault counters reset while operating
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sync_fail_count = 0;
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// disable lepton again
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gpio_set_level(LEP_CSN_PIN, 1);
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return rsp_lep_buffer.lep_bufferP;
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}
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else
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{
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if (++vsync_count >= 36)
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{
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vsync_count = 0;
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printf("[MAIN] Could not get lepton image\n");
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vTaskDelay(pdMS_TO_TICKS(185));
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if (sync_fail_count++ == LEP_SYNC_FAIL_FAULT_LIMIT)
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{
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return NULL;
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}
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}
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}
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}
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return NULL;
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}
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uint8_t *lepton_get_frame()
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{
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uint8_t *picture = take_picture();
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struct timeval tv_now;
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gettimeofday(&tv_now, NULL);
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PreData pre;
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pre.isVisible = false;
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pre.len = LEP_NUM_PIXELS;
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pre.width = LEP_WIDTH;
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pre.height = LEP_HEIGHT;
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pre.format = 0;
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pre.timestamp = tv_now;
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size_t totalSize;
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uint8_t *dataOut = create_frame(picture, &totalSize, pre);
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send_data_frame(0x10, dataOut, totalSize);
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return picture;
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}
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void app_main(void)
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{
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// for (size_t i = 0; i < sizeof(hehe); i++)
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// {
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// hehe[i] = i & 0xFF;
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// }
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const uart_port_t uart_num = UART_NUM_0;
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uart_config_t uart_config = {
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.baud_rate = 115200,
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.data_bits = UART_DATA_8_BITS,
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.parity = UART_PARITY_DISABLE,
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.stop_bits = UART_STOP_BITS_1,
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.flow_ctrl = UART_HW_FLOWCTRL_DISABLE};
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uart_param_config(uart_num, &uart_config);
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uart_driver_install(uart_num, BUF_SIZE * 2, 0, 0, NULL, 0);
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uint8_t *buf = malloc(BUF_SIZE);
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char *line = malloc(BUF_SIZE);
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int line_len = 0;
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nvs_flash_init();
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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esp_netif_create_default_wifi_sta();
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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cfg.static_tx_buf_num = 32; // default is 4 or 8
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cfg.dynamic_tx_buf_num = 32; // boost this too
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cfg.ampdu_tx_enable = 1;
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
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wifi_config_t ap_config = {
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.ap = {
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.ssid = "ESP32-Test",
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.channel = 10,
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.authmode = WIFI_AUTH_OPEN,
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.max_connection = 1,
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.ssid_hidden = 1,
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.beacon_interval = 60000}};
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &ap_config));
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ESP_ERROR_CHECK(esp_wifi_start());
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ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
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esp_log_level_set("wifi", ESP_LOG_DEBUG);
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uint8_t mac_addr[6];
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esp_read_mac(mac_addr, ESP_MAC_WIFI_SOFTAP);
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ESP_LOGI(TAG, "ESP32 MAC: %02X:%02X:%02X:%02X:%02X:%02X",
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mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
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// size_t outLen = 0;
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// PreData pre;
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// struct timeval tv;
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// gettimeofday(&tv, NULL);
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// pre.format = PIXFORMAT_JPEG;
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// pre.width = 100;
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// pre.height = 100;
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// pre.isVisible = true;
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// pre.len = sizeof(hehe);
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// pre.timestamp = tv;
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// uint8_t *imgFrame = create_frame(hehe, &outLen, pre);
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// send_data_frame(0x10, imgFrame, outLen);
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// free(imgFrame);
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#ifdef LEPTON_ENABLE
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gpio_config_t usb_phy_conf = {
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.pin_bit_mask = (1ULL << 19) | (1ULL << 20),
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.mode = GPIO_MODE_OUTPUT,
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.pull_up_en = GPIO_PULLUP_ENABLE,
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.pull_down_en = GPIO_PULLDOWN_DISABLE,
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.intr_type = GPIO_INTR_DISABLE,
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};
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gpio_config(&usb_phy_conf);
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printf("[MAIN] Start task\n");
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LEP_CONFIG.agc_set_enabled = true;
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LEP_CONFIG.emissivity = 100;
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LEP_CONFIG.gain_mode = LEP_GAIN_AUTO;
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// initialize spi, i2c and gpio for lepton
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if (!lepton_io_init())
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{
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printf("[MAIN] Error: I/O init failed");
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while (1)
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{
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vTaskDelay(pdMS_TO_TICKS(100));
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}
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}
|
|
|
|
// allocate lepton buffers
|
|
if (!lepton_buffer_init())
|
|
{
|
|
printf("[MAIN] Error: Memory init failed");
|
|
while (1)
|
|
{
|
|
vTaskDelay(pdMS_TO_TICKS(100));
|
|
}
|
|
}
|
|
|
|
// wait for lepton to initialize
|
|
vTaskDelay(pdMS_TO_TICKS(1000));
|
|
;
|
|
|
|
// Attempt to initialize the VoSPI interface
|
|
if (vospi_init() != ESP_OK)
|
|
{
|
|
printf("[MAIN] Error: Lepton VoSPI initialization failed\n");
|
|
while (1)
|
|
{
|
|
vTaskDelay(pdMS_TO_TICKS(100));
|
|
}
|
|
}
|
|
|
|
// initialize lepton
|
|
if (!lepton_init())
|
|
{
|
|
printf("[MAIN] Error: Lepton CCI initialization failed\n");
|
|
while (1)
|
|
{
|
|
vTaskDelay(pdMS_TO_TICKS(100));
|
|
}
|
|
}
|
|
|
|
// disable data from lepton
|
|
gpio_set_level(LEP_CSN_PIN, 1);
|
|
|
|
printf("LEPTON INIT DONE");
|
|
camera_init();
|
|
|
|
#endif
|
|
|
|
while (1)
|
|
{
|
|
|
|
int64_t start = esp_timer_get_time();
|
|
camera_capture();
|
|
#ifdef LEPTON_ENABLE
|
|
uint8_t *picture = lepton_get_frame();
|
|
if (picture)
|
|
{
|
|
int maxBrightness = -1;
|
|
Rectangle brightest = {0, 0, 0, 0};
|
|
|
|
for (int y = 0; y < LEP_HEIGHT; y++) {
|
|
for (int x = 0; x < LEP_WIDTH; x++) {
|
|
int idx = y * LEP_WIDTH + x;
|
|
int brightness = picture[idx]; // grayscale
|
|
|
|
if (brightness > maxBrightness) {
|
|
maxBrightness = brightness;
|
|
brightest.x = x;
|
|
brightest.y = y;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Rozšírenie oblasti
|
|
int padding = 10;
|
|
brightest.x = (brightest.x - padding < 0) ? 0 : brightest.x - padding;
|
|
brightest.y = (brightest.y - padding < 0) ? 0 : brightest.y - padding;
|
|
brightest.width = ((brightest.x + padding * 2) > LEP_WIDTH) ? (LEP_WIDTH - brightest.x) : (padding * 2);
|
|
brightest.height = ((brightest.y + padding * 2) > LEP_HEIGHT) ? (LEP_HEIGHT - brightest.y) : (padding * 2);
|
|
|
|
// Výpočet stredu oblasti
|
|
double middleX = brightest.x + brightest.width / 2.0;
|
|
double middleY = brightest.y + brightest.height / 2.0;
|
|
|
|
// Výpočet uholných odchýlok
|
|
double rotationX = 3 * M_PI / 180.0;
|
|
double rotationY = 0 * M_PI / 180.0;
|
|
double rotationZ = 45 * M_PI / 180.0;
|
|
double posX = 100, posY = 100, posZ = 500;
|
|
|
|
double plusX = ((middleX - LEP_HEIGHT / 2.0) / LEP_HEIGHT) * 57 * M_PI / 180.0;
|
|
double plusY = ((middleY - LEP_WIDTH / 2.0) / LEP_WIDTH) * 42.75 * M_PI / 180.0;
|
|
|
|
double posGX = posZ * tan(rotationX + plusX) * cos(rotationZ) + posX;
|
|
double posGY = posZ * tan(rotationY + plusY) * sin(rotationZ) + posY;
|
|
|
|
//printf("Stred najjasnejšej oblasti: (%.2f, %.2f)\n", middleX, middleY);
|
|
//printf("Výpočet pozície: posGX = %.2f, posGY = %.2f\n", posGX, posGY);
|
|
|
|
uint8_t messageBuffer[32];
|
|
|
|
uint8_t messageBufferEncoded[50];
|
|
size_t outputLen;
|
|
mbedtls_base64_encode(messageBufferEncoded, sizeof(messageBufferEncoded), &outputLen, messageBuffer, sizeof(messageBuffer));
|
|
|
|
uint8_t messageBufferPrefixed[60] = "NavData:";
|
|
strcat(messageBufferPrefixed, messageBufferEncoded);
|
|
strcat(messageBufferPrefixed, "\n");
|
|
|
|
uart_write_bytes(uart_num, messageBufferPrefixed, strlen(messageBufferPrefixed));
|
|
|
|
}
|
|
else
|
|
{
|
|
printf("Failed to lepton take picture\n");
|
|
}
|
|
#endif
|
|
int64_t end = esp_timer_get_time();
|
|
|
|
int64_t duration = end - start;
|
|
|
|
printf("%lf FPS, %lf SPF\n", 1 / (duration / 1000000.0), duration / 1000000.0);
|
|
}
|
|
} |