simple openwf test

compile

#!/bin/sh
CFLAGS="-I/opt/vc/include/ -I/opt/vc/include/interface/vcos/pthreads"
LDFLAGS="-L/opt/vc/lib/ -lWFC -lGLESv2 -lvcos"
gcc enum.c -o bin/enum $CFLAGS $LDFLAGS

enum.c

#include "bcm_host.h"
#include "WF/wfc.h"
#include <stdio.h>

int main() {
    bcm_host_init();
    int dids[10];
    int count = wfcEnumerateDevices(dids, 10, NULL);
    int i;

    printf("[\n");
    for (i = 0; i < count; i++) {
        int did = dids[i];
        WFCDevice dev = wfcCreateDevice(did, NULL);
        if (dev == 0) continue;
        printf("    {\n");
        printf("        \"id\": %i,\n", did);
        int cls = wfcGetDeviceAttribi(dev, WFC_DEVICE_CLASS);
        switch (cls) {
            case WFC_DEVICE_CLASS_FULLY_CAPABLE:
                printf("        \"class\": \"DEVICE_CLASS_FULLY_CAPABLE\",\n");
                break;
            case WFC_DEVICE_CLASS_OFF_SCREEN_ONLY:
                printf("        \"class\": \"DEVICE_CLASS_OFF_SCREEN_ONLY\",\n");
                break;
            default:
                printf("        \"class\": %i,\n", cls);
        }
        wfcDestroyDevice(dev);
        printf("    }\n");
    }
    printf("]\n");
}