Difference between revisions of "USB Roll-up drum kit user-space driver for linux"
From Organic Design wiki
(just reads from the pipe for now) |
(add new version) |
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| Line 3: | Line 3: | ||
<pre> | <pre> | ||
#include <stdio.h> | #include <stdio.h> | ||
| − | |||
| − | |||
| + | struct pad { | ||
| + | char data[8]; | ||
| + | }; | ||
| + | |||
| + | // drumkit: pad status data (0 = not pressed, 1 = pressed) | ||
| + | unsigned int pad_data[6] = {0, 0, 0, 0, 0, 0}; | ||
| − | + | // drumkit: pad note data (0 = do nothing, 1 = play note) | |
| − | + | unsigned int pad_notes[6] = {0, 0, 0, 0, 0, 0}; | |
| − | |||
int main() { | int main() { | ||
| Line 15: | Line 18: | ||
FILE *f; | FILE *f; | ||
int i,j; | int i,j; | ||
| − | struct | + | struct pad r; |
| − | f=fopen("/dev/random","r"); | + | f = fopen("/dev/random","r"); |
| − | while(fread(&r,sizeof(struct | + | while( fread(&r,sizeof(struct pad),1,f) != 0 ) |
| − | printf("%d\n",r. | + | printf("%d %d %d %d %d %d %d %d\n", |
| + | r.data[0], r.data[1], r.data[2], r.data[3], r.data[4], r.data[5], r.data[6], r.data[7]); | ||
| Line 29: | Line 33: | ||
} | } | ||
| + | |||
</pre> | </pre> | ||
Revision as of 03:52, 21 January 2009
- See the talk page for development notes.
#include <stdio.h>
struct pad {
char data[8];
};
// drumkit: pad status data (0 = not pressed, 1 = pressed)
unsigned int pad_data[6] = {0, 0, 0, 0, 0, 0};
// drumkit: pad note data (0 = do nothing, 1 = play note)
unsigned int pad_notes[6] = {0, 0, 0, 0, 0, 0};
int main() {
FILE *f;
int i,j;
struct pad r;
f = fopen("/dev/random","r");
while( fread(&r,sizeof(struct pad),1,f) != 0 )
printf("%d %d %d %d %d %d %d %d\n",
r.data[0], r.data[1], r.data[2], r.data[3], r.data[4], r.data[5], r.data[6], r.data[7]);
fclose(f);
printf("\n");
}
