Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | #ifndef _JTEST_SYSTICK_H_ |
| 2 | #define _JTEST_SYSTICK_H_ |
||
| 3 | |||
| 4 | /*--------------------------------------------------------------------------------*/ |
||
| 5 | /* Includes */ |
||
| 6 | /*--------------------------------------------------------------------------------*/ |
||
| 7 | |||
| 8 | /* Get access to the SysTick structure. */ |
||
| 9 | #if defined ARMCM0 |
||
| 10 | #include "ARMCM0.h" |
||
| 11 | #elif defined ARMCM0P |
||
| 12 | #include "ARMCM0plus.h" |
||
| 13 | #elif defined ARMCM3 |
||
| 14 | #include "ARMCM3.h" |
||
| 15 | #elif defined ARMCM4 |
||
| 16 | #include "ARMCM4.h" |
||
| 17 | #elif defined ARMCM4_FP |
||
| 18 | #include "ARMCM4_FP.h" |
||
| 19 | #elif defined ARMCM7 |
||
| 20 | #include "ARMCM7.h" |
||
| 21 | #elif defined ARMCM7_SP |
||
| 22 | #include "ARMCM7_SP.h" |
||
| 23 | #elif defined ARMCM7_DP |
||
| 24 | #include "ARMCM7_DP.h" |
||
| 25 | #elif defined ARMSC000 |
||
| 26 | #include "ARMSC000.h" |
||
| 27 | #elif defined ARMSC300 |
||
| 28 | #include "ARMSC300.h" |
||
| 29 | #elif defined ARMv8MBL |
||
| 30 | #include "ARMv8MBL.h" |
||
| 31 | #elif defined ARMv8MML |
||
| 32 | #include "ARMv8MML.h" |
||
| 33 | #elif defined ARMv8MML_DSP |
||
| 34 | #include "ARMv8MML_DSP.h" |
||
| 35 | #elif defined ARMv8MML_SP |
||
| 36 | #include "ARMv8MML_SP.h" |
||
| 37 | #elif defined ARMv8MML_DSP_SP |
||
| 38 | #include "ARMv8MML_DSP_SP.h" |
||
| 39 | #elif defined ARMv8MML_DP |
||
| 40 | #include "ARMv8MML_DP.h" |
||
| 41 | #elif defined ARMv8MML_DSP_DP |
||
| 42 | #include "ARMv8MML_DSP_DP.h" |
||
| 43 | |||
| 44 | #else |
||
| 45 | #warning "no appropriate header file found!" |
||
| 46 | #endif |
||
| 47 | |||
| 48 | /*--------------------------------------------------------------------------------*/ |
||
| 49 | /* Macros and Defines */ |
||
| 50 | /*--------------------------------------------------------------------------------*/ |
||
| 51 | |||
| 52 | /** |
||
| 53 | * Initial value for the SysTick module. |
||
| 54 | * |
||
| 55 | * @note This is also the maximum value, important as SysTick is a decrementing |
||
| 56 | * counter. |
||
| 57 | */ |
||
| 58 | #define JTEST_SYSTICK_INITIAL_VALUE 0xFFFFFF |
||
| 59 | |||
| 60 | /** |
||
| 61 | * Reset the SysTick, decrementing timer to it's maximum value and disable it. |
||
| 62 | * |
||
| 63 | * This macro should leave the SysTick timer in a state that's ready for cycle |
||
| 64 | * counting. |
||
| 65 | */ |
||
| 66 | #define JTEST_SYSTICK_RESET(systick_ptr) \ |
||
| 67 | do \ |
||
| 68 | { \ |
||
| 69 | (systick_ptr)->LOAD = JTEST_SYSTICK_INITIAL_VALUE; \ |
||
| 70 | (systick_ptr)->VAL = 1; \ |
||
| 71 | \ |
||
| 72 | /* Disable the SysTick module. */ \ |
||
| 73 | (systick_ptr)->CTRL = UINT32_C(0x000000); \ |
||
| 74 | } while (0) |
||
| 75 | |||
| 76 | /** |
||
| 77 | * Start the SysTick timer, sourced by the processor clock. |
||
| 78 | */ |
||
| 79 | #define JTEST_SYSTICK_START(systick_ptr) \ |
||
| 80 | do \ |
||
| 81 | { \ |
||
| 82 | (systick_ptr)->CTRL = \ |
||
| 83 | SysTick_CTRL_ENABLE_Msk | \ |
||
| 84 | SysTick_CTRL_CLKSOURCE_Msk; /* Internal clk*/ \ |
||
| 85 | } while (0) |
||
| 86 | |||
| 87 | /** |
||
| 88 | * Evaluate to the current value of the SysTick timer. |
||
| 89 | */ |
||
| 90 | #define JTEST_SYSTICK_VALUE(systick_ptr) \ |
||
| 91 | ((systick_ptr)->VAL) |
||
| 92 | |||
| 93 | #endif /* _JTEST_SYSTICK_H_ */ |