xiuos/APP_Framework/Applications/app_test/test_camera.c

108 lines
2.9 KiB
C

#include <stdio.h>
#include <string.h>
#include <transform.h>
#define NULL_PARAMETER 0
#define DVP_INIT 0x00U
#define REG_SCCB_READ 0x12U
#define REG_SCCB_WRITE 0x13U
#define OUTPUT_CONFIG 0x20U
#define LCD_STRING_TYPE 0
#define LCD_DOT_TYPE 1
#define LCD_SIZE 320
static uint16_t image_buff[384000];
void TestCamera(int argc, char *argv[])
{
int frame_counter = 10000;
if (argc > 1)
{
frame_counter = atoi(argv[1]);
}
printf("This test will refresh %d frames\n", frame_counter);
int camera_fd = PrivOpen(CAMERA_DEV_DRIVER, O_RDWR);
if (camera_fd < 0)
{
printf("open camera fd error:%d\n", camera_fd);
return;
}
int lcd_fd = PrivOpen(CAMERA_LCD_DEV_DRIVER, O_RDWR);
if (lcd_fd < 0)
{
printf("open lcd fd error:%d\n", lcd_fd);
return;
}
//configure the camera's output address
struct PrivIoctlCfg ioctl_cfg;
ioctl_cfg.ioctl_driver_type = CAMERA_TYPE;
struct CameraCfg camera_cfg ={
.gain_manu_enable = 0,
.gain = 0xFF,
.window_w = 800,
.window_h = 600,
.output_w = IMAGE_WIDTH,
.output_h = IMAGE_HEIGHT,
.window_xoffset = 0,
.window_yoffset = 0
};
ioctl_cfg.args = &camera_cfg;
if (0 != PrivIoctl(camera_fd, OPE_CFG, &ioctl_cfg))
{
printf("camera pin fd error %d\n", camera_fd);
PrivClose(camera_fd);
return;
}
ioctl_cfg.args = (void *)image_buff;
if (0 != PrivRead(camera_fd, image_buff, NULL_PARAMETER))
{
printf("camera pin fd error %d\n", camera_fd);
PrivClose(camera_fd);
return;
}
printf("address buff is %x\n", image_buff);
LcdWriteParam graph_param;
graph_param.type = LCD_DOT_TYPE;
//clear the LCD
uint16_t back_color[LCD_SIZE];
memset(back_color,0,sizeof(back_color));
for (int i = 0; i < LCD_SIZE; i++)
{
graph_param.pixel_info.pixel_color = &back_color;
graph_param.pixel_info.x_startpos = 0;
graph_param.pixel_info.y_startpos = i;
graph_param.pixel_info.x_endpos = LCD_SIZE -1;
graph_param.pixel_info.y_endpos = i;
PrivWrite(lcd_fd, &graph_param, NULL_PARAMETER);
}
//refresh the LCD using photo of camera
while (frame_counter--)
{
for (int i = 0; i < IMAGE_HEIGHT; i++)
{
graph_param.pixel_info.pixel_color = image_buff + i * IMAGE_WIDTH;
graph_param.pixel_info.x_startpos = 0;
graph_param.pixel_info.y_startpos = i + (LCD_SIZE - IMAGE_HEIGHT) / 2;
graph_param.pixel_info.x_endpos = IMAGE_WIDTH - 1;
graph_param.pixel_info.y_endpos = i + (LCD_SIZE - IMAGE_HEIGHT) / 2;
PrivWrite(lcd_fd, &graph_param, NULL_PARAMETER);
}
}
// close test
PrivClose(lcd_fd);
PrivClose(camera_fd);
printf("The camera test is finished successfully\n");
}
PRIV_SHELL_CMD_FUNCTION(TestCamera, a camera test sample, PRIV_SHELL_CMD_MAIN_ATTR);