summaryrefslogtreecommitdiffstats
path: root/src/cameras/ipe.c
blob: 2993409d15d5f21f8c325bcfd3de61b1e5175c34 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146

#include <stdlib.h>
#include <string.h>
#include <pcilib.h>
#include "uca.h"
#include "uca-cam.h"
#include "uca-grabber.h"

#define set_void(p, type, value) { *((type *) p) = value; }
#define GET_HANDLE(cam) ((pcilib_t *) cam->user)

static void uca_ipe_handle_error(const char *format, ...)
{
    /* Do nothing, we just check errno. */
}

static uint32_t uca_ipe_set_property(struct uca_camera_priv *cam, enum uca_property_ids property, void *data)
{
    return UCA_NO_ERROR;
}

static uint32_t uca_ipe_get_property(struct uca_camera_priv *cam, enum uca_property_ids property, void *data, size_t num)
{
    pcilib_t *handle = GET_HANDLE(cam);
    pcilib_register_value_t value = 0;

    switch (property) {
        case UCA_PROP_NAME:
            strncpy((char *) data, "IPE PCIe based on CMOSIS CMV2000", num);
            break;

        case UCA_PROP_WIDTH:
            set_void(data, uint32_t, 2048);
            break;

        case UCA_PROP_HEIGHT:
            set_void(data, uint32_t, 1088);
            break;

        case UCA_PROP_EXPOSURE:
            pcilib_read_register(handle, NULL, "exp_time", &value);
            set_void(data, uint32_t, (uint32_t) value);

        case UCA_PROP_TEMPERATURE_SENSOR:
            pcilib_read_register(handle, NULL, "cmosis_temperature", &value);
            set_void(data, uint32_t, (uint32_t) value);
            break;

        case UCA_PROP_PGA_GAIN:
            pcilib_read_register(handle, NULL, "pga", &value);
            set_void(data, uint32_t, (uint32_t) value);
            break;

        case UCA_PROP_PGA_GAIN_MIN:
            set_void(data, uint32_t, 0);
            break;

        case UCA_PROP_PGA_GAIN_MAX:
            set_void(data, uint32_t, 3);
            break;

        case UCA_PROP_ADC_GAIN:
            pcilib_read_register(handle, NULL, "adc_gain", &value);
            set_void(data, uint32_t, (uint32_t) value);
            break;

        case UCA_PROP_ADC_GAIN_MIN:
            set_void(data, uint32_t, 32);
            break;

        case UCA_PROP_ADC_GAIN_MAX:
            set_void(data, uint32_t, 55);
            break;

        default:
            return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
    }
    return UCA_NO_ERROR;
}

static uint32_t uca_ipe_start_recording(struct uca_camera_priv *cam)
{
    return UCA_NO_ERROR;
}

static uint32_t uca_ipe_stop_recording(struct uca_camera_priv *cam)
{
    return UCA_NO_ERROR;
}

static uint32_t uca_ipe_grab(struct uca_camera_priv *cam, char *buffer, void *meta_data)
{
    pcilib_t *handle = cam->user;
    size_t size = 0;
    void *data = NULL;
    if (pcilib_grab(handle, PCILIB_EVENTS_ALL, &size, &data, PCILIB_TIMEOUT_TRIGGER))
        return UCA_ERR_CAMERA;
    memcpy(buffer, data, size);
    return UCA_NO_ERROR;
}

static uint32_t uca_ipe_register_callback(struct uca_camera_priv *cam, uca_cam_grab_callback cb, void *user)
{
    if (cam->callback == NULL) {
        cam->callback = cb;
        cam->callback_user = user;
        return UCA_NO_ERROR;
    }
    return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
}

static uint32_t uca_ipe_destroy(struct uca_camera_priv *cam)
{
    pcilib_close(GET_HANDLE(cam));
    return UCA_NO_ERROR;
}

uint32_t uca_ipe_init(struct uca_camera_priv **cam, struct uca_grabber_priv *grabber)
{
    pcilib_model_t model = PCILIB_MODEL_DETECT;
    pcilib_set_error_handler(uca_ipe_handle_error, uca_ipe_handle_error);
    pcilib_t *handle = pcilib_open("/dev/fpga0", model);
    /* XXX: This is not working because pcilib is still returning a valid
     * structure although things like "failing ioctl's" can happen. */
    if (handle == NULL)
        return UCA_ERR_CAMERA | UCA_ERR_INIT | UCA_ERR_NOT_FOUND;

    pcilib_set_error_handler(&uca_ipe_handle_error, &uca_ipe_handle_error);
    model = pcilib_get_model(handle);

    struct uca_camera_priv *uca = uca_cam_new();

    /* Camera found, set function pointers... */
    uca->destroy = &uca_ipe_destroy;
    uca->set_property = &uca_ipe_set_property;
    uca->get_property = &uca_ipe_get_property;
    uca->start_recording = &uca_ipe_start_recording;
    uca->stop_recording = &uca_ipe_stop_recording;
    uca->grab = &uca_ipe_grab;
    uca->register_callback = &uca_ipe_register_callback;

    uca->user = handle;
    *cam = uca;

    return UCA_NO_ERROR;
}