#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
-#include <stm32.h>
-#include <mmap.h>
+#include <sys/robsys.h>
+#include <sys/mmap.h>
-void * systick_handler() {
+#include <lib/regfunc.h> // TODO
- *RANDOM_ADDR = (volatile uint32_t) 0x10101010 ;
+struct interrupt_frame {
+
+ uint32_t r0; // N-32
+ uint32_t r1;
+ uint32_t r2;
+ uint32_t r3;
+ uint32_t r12;
+ uint32_t lr;
+ uint32_t pc;
+ uint32_t psr; // N-4
+};
+
+//__attribute__ ((interrupt))
+void * systick_handler(/* struct interrupt_frame * frame */) {
+
+// uint32_t volatile status;
+ //uart_puts("TICKING\n");
+// for(;;);
}
+
void systick_init() {
/* Enable the counter and enable the interrupt
/* The counter reload register here holds
* 0x1000 -- that's 4096 clock cycles -- if
* it is down to zero it is restores the value */
- *STK_RELOAD = (volatile uint32_t) 0x00000400;
+ *STK_RELOAD = (volatile uint32_t) 0x00400000;
/* Every time the counter counts down to zero
* a systick exception is asserted. Systick has