Problems found when compiling

[rthawkcom]

gcc libusb-config --cflags -O -Wall -c uDMX.c
uDMX.c: In function ‘main’:
uDMX.c:131:37: warning: pointer targets in passing argument 6 of ‘usb_control_msg’ differ in signedness [-Wpointer-sign]
131 | cmd_StartBootloader, 0, 0, buffer, sizeof(buffer), 5000);
| ^~~~~~
| |
| unsigned char *
In file included from uDMX.c:22:
/usr/include/usb.h:313:30: note: expected ‘char *’ but argument is of type ‘unsigned char *’
313 | int value, int index, char *bytes, int size, int timeout);
| ~~~~~~^~~~~
uDMX.c:145:48: warning: pointer targets in passing argument 6 of ‘usb_control_msg’ differ in signedness [-Wpointer-sign]
145 | cmd_SetSingleChannel, value, channel, buffer, sizeof(buffer), 5000);
| ^~~~~~
| |
| unsigned char *
In file included from uDMX.c:22:
/usr/include/usb.h:313:30: note: expected ‘char *’ but argument is of type ‘unsigned char *’
313 | int value, int index, char *bytes, int size, int timeout);
| ~~~~~~^~~~~
uDMX.c:157:48: warning: pointer targets in passing argument 6 of ‘usb_control_msg’ differ in signedness [-Wpointer-sign]
157 | cmd_SetChannelRange, argc-2, channel, buf, argc-2, 5000);
| ^~~
| |
| unsigned char *
In file included from uDMX.c:22:
/usr/include/usb.h:313:30: note: expected ‘char *’ but argument is of type ‘unsigned char *’
313 | int value, int index, char *bytes, int size, int timeout);
| ~~~~~~^~~~~
gcc -o uDMX uDMX.o libusb-config --libs