main.h

#ifndef MAIN_H_
#define MAIN_H_


#define MAX_TASKS   5

/* some stack memory calculations */
#define SIZE_TASK_STACK          1024U
#define SIZE_SCHED_STACK         1024U

#define SRAM_START               0x20000000U
#define SIZE_SRAM                ( (128) * (1024))
#define SRAM_END                 ((SRAM_START) + (SIZE_SRAM) )

#define T1_STACK_START           SRAM_END
#define T2_STACK_START           ( (SRAM_END) - (1 * SIZE_TASK_STACK) )
#define T3_STACK_START           ( (SRAM_END) - (2 * SIZE_TASK_STACK) )
#define T4_STACK_START           ( (SRAM_END) - (3 * SIZE_TASK_STACK) )
#define IDLE_STACK_START         ( (SRAM_END) - (4 * SIZE_TASK_STACK) )
#define SCHED_STACK_START        ( (SRAM_END) - (5 * SIZE_TASK_STACK) )

#define TICK_HZ 1000U

#define HSI_CLOCK         		16000000U
#define SYSTICK_TIM_CLK   		HSI_CLOCK


#define DUMMY_XPSR  0x01000000U

#define TASK_READY_STATE  0x00
#define TASK_BLOCKED_STATE  0XFF

#define INTERRUPT_DISABLE()  do{__asm volatile ("MOV R0,#0x1"); asm volatile("MSR PRIMASK,R0"); } while(0)

#define INTERRUPT_ENABLE()  do{__asm volatile ("MOV R0,#0x0"); asm volatile("MSR PRIMASK,R0"); } while(0)

#endif /* MAIN_H_ */