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-rw-r--r--usr/main.c100
1 files changed, 58 insertions, 42 deletions
diff --git a/usr/main.c b/usr/main.c
index 8576400..f423a2a 100644
--- a/usr/main.c
+++ b/usr/main.c
@@ -9,42 +9,51 @@
#include <usr/timed.h>
#include <usr/uart.h>
-static struct SysTimerInfo stime_0 = {
- .tick_rate = 5000000,
- .priority = 0,
- .arg = 0,
- .oneshot = 0,
-};
+// IRQ Information Structures
+static struct SysTimerInfo stime_0 = { .tick_rate = 5000000, .priority = 0, .arg = 0, .oneshot = 0, };
+static struct SysTimerInfo stime_1 = { .tick_rate = 700000, .priority = 0, .arg = 0, .oneshot = 0, };
+static struct SysTimerInfo stime_2 = { .tick_rate = 300000, .priority = 0, .arg = 0, .oneshot = 0, };
+static struct SysTimerInfo stime_3 = { .tick_rate = 10, .priority = 0, .arg = 0, .oneshot = 0, };
+static struct UartInfo UART_INFO = { .priority = 2, };
+static struct GPIOInfo gpinfo = { .pin = (1<<16 | 1<<12), .priority = 0, };
-static struct SysTimerInfo stime_1 = {
- .tick_rate = 700000,
- .priority = 0,
- .arg = 0,
- .oneshot = 0,
-};
-
-static struct SysTimerInfo stime_2 = {
- .tick_rate = 300000,
- .priority = 0,
- .arg = 0,
- .oneshot = 0,
-};
-
-static struct SysTimerInfo stime_3 = {
- .tick_rate = 10,
- .priority = 0,
- .arg = 0,
- .oneshot = 0,
-};
-
-static struct UartInfo UART_INFO = {
- .priority = 2,
-};
-
-static struct GPIOInfo gpinfo = {
- .pin = (1<<16 | 1<<12),
- .priority = 0,
-};
+void delaytest(void)
+{
+ static unsigned long count = 0;
+ static unsigned long long ts[4096*2+20];
+ sys0_64(SYS_TIME, &ts[count++]);
+ if (count == (4096*2+18)) {
+ unsubscribe_irq(SYS_TIMER_3_IRQ);
+ static char str[14];
+ char* start;
+ unsigned long mean=0, stdev=0, max=0, min=0xFFFFFFFF;
+ for (unsigned long i = 0; i < 4096; i++) {
+ unsigned long elapsed = ts[2*(i+2)+1]-ts[2*(i+2)];
+ elapsed *= 1000;
+ mean += elapsed;
+ if (elapsed > max)
+ max = elapsed;
+ if (elapsed < min)
+ min = elapsed;
+ }
+ mean /= 4096;
+ for (unsigned long i = 0; i < 4096; i++) {
+ unsigned long elapsed = ts[2*(i+2)+1]-ts[2*(i+2)];
+ elapsed *= 1000;
+ unsigned long term = (elapsed-mean)*(elapsed-mean)/4096;
+ stdev += term;
+ }
+ stdev = sqrt_rnd(stdev);
+ start = ulong_to_string(mean, str);
+ draw_string(0, 10, start);
+ start = ulong_to_string(stdev, str);
+ draw_string(0, 11, start);
+ start = ulong_to_string(min, str);
+ draw_string(0, 12, start);
+ start = ulong_to_string(max, str);
+ draw_string(0, 13, start);
+ }
+}
void gptest(void)
{
@@ -83,25 +92,32 @@ void gptest(void)
start = ulong_to_string(max, str);
draw_string(0, 13, start);
}
- //unsigned long gplev0 = *GPLEV0;
- //draw_hex32(0, 30, gplev0);
- //start = ulong_to_string(count++, str);
- //draw_string(0, 31, start);
}
void test_super(void);
void main(void)
{
+ // Runs the Core RTOS tests
+ add_thread(test_super, 0, 4);
+ // GPIO Tests
+ //subscribe_irq(GPIO_BANK_1_IRQ, gptest, &gpinfo);
+ // Delayed Execution Test
+ //subscribe_irq(SYS_TIMER_3_IRQ, delaytest, &stime_3);
+
+ // The following are examples of subscribing IRQs to specific callbacks
//subscribe_irq(UART_IRQ, handle_data, &UART_INFO);
//subscribe_irq(SYS_TIMER_0_IRQ, loopt, &stime_0);
//subscribe_irq(SYS_TIMER_1_IRQ, loopt, &stime_1);
//subscribe_irq(SYS_TIMER_2_IRQ, loopt, &stime_2);
//subscribe_irq(SYS_TIMER_3_IRQ, loopt, &stime_3);
- subscribe_irq(GPIO_BANK_1_IRQ, gptest, &gpinfo);
+ //subscribe_irq(GPIO_BANK_1_IRQ, gptest, &gpinfo);
+
+ // Adding custom callbacks at different priorities example
//add_thread(loop, 0, 8);
//add_thread(consumer, 0, 3);
//add_thread(test_super, 0, 4);
- //subscribe_irq(SYS_TIMER_3_IRQ, gptest, &stime_3);
- cpp_demo(53);
+
+ // C++ Execution Demo
+ //cpp_demo(53);
}