p_lusterinc_camera_focallength_encoder_reset/usersrc/protocol.c

#include "protocol.h"

uint8_t computesum8(char *data, size_t size)
{
    uint8_t sum8 = 0;
    for (unsigned i = 0; i < size; ++i)
    {
        sum8 += data[i];
        // ESP_LOGI(TAG, "%d", sum8);
    }
    return sum8;
}