pic_lib.cpp File Reference

#include "device/general/pic_lib.h"

Include dependency graph for pic_lib.cpp:

Functions
int32_t	pic_connect (char *dev, pic_handle *handle)
	Connect to PIC. More...
int32_t	pic_disconnect (pic_handle *handle)
	Disconnect from PIC. More...
int32_t	pic_getframe (pic_handle *handle)
int32_t	pic_putframe (pic_handle *handle)
int32_t	suchi_heater (pic_handle *handle, uint8_t number, uint8_t state)
int32_t	suchi_shutter (pic_handle *handle, uint8_t number, uint8_t state)
int32_t	suchi_camera (pic_handle *handle, uint8_t state)
int32_t	suchi_report (pic_handle *handle)

Function Documentation

int32_t pic_getframe

(

pic_handle *

handle

)

{
    int32_t iretn;
    uint16_t size;

    iretn=cssl_getslip(handle->serial, handle->buffer.raw, sizeof(handle->buffer.raw));
    if (iretn < 0)
        return iretn;

    size = handle->buffer.packet.header.size+PIC_HEADER_SIZE;

    union
    {
        uint16_t crc;
        uint8_t crcbuf[2];
    } tbuf;
    tbuf.crcbuf[0] = handle->buffer.raw[size];
    tbuf.crcbuf[1] = handle->buffer.raw[size+1];
    if (tbuf.crc != slip_calc_crc(handle->buffer.raw, size) )
        return (SLIP_ERROR_CRC);

    return iretn;
}

int32_t pic_putframe

(

pic_handle *

handle

)

{
    int32_t iretn;
    uint16_t size;

    size = (uint16_t)(handle->buffer.packet.header.size+PIC_HEADER_SIZE);

    union
    {
        uint16_t crc;
        uint8_t crcbuf[2];
    } tbuf;
    tbuf.crc = slip_calc_crc(handle->buffer.raw, size);
    handle->buffer.raw[size] = tbuf.crcbuf[0];
    handle->buffer.raw[size+1] = tbuf.crcbuf[1];

    iretn=cssl_putslip(handle->serial, handle->buffer.raw, size+2);

    return iretn;
}

int32_t suchi_camera	(	pic_handle *	handle,
		uint8_t	state
	)

{
    if (state)
        handle->buffer.packet.header.cmd = SUCHI_CMD_SET_CAMERA_ON;
    else
        handle->buffer.packet.header.cmd = SUCHI_CMD_SET_CAMERA_OFF;
    handle->buffer.packet.header.flags = 0;
    handle->buffer.packet.header.seq =  handle->buffer.seq++;
    handle->buffer.packet.header.size = sizeof(pic_cmd_args0);

    pic_putframe(handle);

    return 0;
}