jct/ledcontroller-3bit
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Added error message for invalid color

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This commit is contained in:
Jens True 2019-04-01 10:10:35 +02:00
parent a90d1654da
commit 0b9f543ff1
3 changed files with 8 additions and 2 deletions
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3
Dockerfile Normal file
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@ -0,0 +1,3 @@
FROM gcc
COPY . .
RUN apt-get -y update && apt-get -y install libusb-1.0 && make

2
Makefile
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@ -3,7 +3,7 @@
all: ledcontroller all: ledcontroller
ledcontroller: main.c ledcontroller: main.c
gcc -o $@ $^ `pkg-config libusb-1.0 --cflags --libs` gcc -o $@ $^ `pkg-config libusb-1.0 --cflags --libs`
clean: clean:
rm ledcontroller rm ledcontroller

5
main.c
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@ -43,7 +43,7 @@
#include <stdio.h> #include <stdio.h>
#include <libusb.h> #include <libusb.h>
#include <errno.h> #include <errno.h>
#include <string.h>
#define VID 0x1294 #define VID 0x1294
#define PID 0x1320 #define PID 0x1320
@ -108,6 +108,9 @@ int main(int argc,char** argv)
else if ( strcmp(argv[1],"white") == 0 ) else if ( strcmp(argv[1],"white") == 0 )
{ {
code = 7; code = 7;
} else {
printf("invalid color\n");
return -1;
} }
libusb_init(NULL); libusb_init(NULL);