diff options
Diffstat (limited to 'usr/timed.c')
| -rw-r--r-- | usr/timed.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/usr/timed.c b/usr/timed.c index 9247acf..fd4f923 100644 --- a/usr/timed.c +++ b/usr/timed.c @@ -1,4 +1,5 @@ #define USR_TIMED_C +#include <cpu.h> #include <globals.h> #include <graphics/lfb.h> #include <symbols.h> @@ -6,6 +7,25 @@ #include <usr/timed.h> #include <util/time.h> +static unsigned long simulated = 0; + +void producer(void) +{ + draw_string(0, 15, "Producing..."); + sys1(SYS_SEMAPHORE_V, &simulated); + draw_string(0, 15, "Produced! "); +} + +void consumer(void) +{ + add_thread(producer, 0, 4); + while (1) { + draw_string(0, 16, "Consuming..."); + sys1(SYS_SEMAPHORE_P, &simulated); + draw_string(0, 16, "Consumed! "); + } +} + void loop(void) { static char str[13]; @@ -22,7 +42,14 @@ void loop(void) draw_string(0, 12, " "); draw_string(0, 12, start); previous++; - wait_msec(3000); + //unsigned long gplev0 = *(volatile unsigned long*)GPLEV0; + //static unsigned long count = 0; + //draw_hex32(0, 13, gplev0); + //if (gplev0 & (1 << 16)) { + // draw_hex32(0, 17, count++); + // add_thread(producer, 0, 4); + //} + wait_msec(30000); add_thread(loop, 0, 3); } |