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SysTick initialization problem fixed in tx_initialize_low_level.s #278

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SysTick initialization problem fixed in tx_initialize_low_level.s #278

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SysTick initialization problem fixed in tx_initialize_low_level.s
Jun 21, 2023
416dfac
Comment style changed according to conversation
Sep 5, 2024
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3 changes: 3 additions & 0 deletions ports/cortex_m0/ac5/example_build/tx_initialize_low_level.s
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,9 @@ _tx_initialize_low_level
; /* Configure SysTick. */
;
LDR r0, =0xE000E000 ; Build address of NVIC registers
LDR r1, =0
STR r1, [r0, #0x10] // Reset SysTick Control
STR r1, [r0, #0x18] // Reset SysTick Counter Value
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] ; Setup SysTick Reload Value
MOVS r1, #0x7 ; Build SysTick Control Enable Value
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3 changes: 3 additions & 0 deletions ports/cortex_m0/gnu/example_build/tx_initialize_low_level.S
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Expand Up @@ -134,6 +134,9 @@ _tx_initialize_low_level:
@ /* Configure SysTick for 100Hz clock, or 16384 cycles if no reference. */
@
LDR r0, =0xE000E000 @ Build address of NVIC registers
LDR r1, =0
STR r1, [r0, #0x10] // Reset SysTick Control
STR r1, [r0, #0x18] // Reset SysTick Counter Value
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] // Setup SysTick Reload Value
LDR r1, =0x7 // Build SysTick Control Enable Value
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3 changes: 3 additions & 0 deletions ports/cortex_m0/iar/example_build/tx_initialize_low_level.s
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Expand Up @@ -125,6 +125,9 @@ _tx_initialize_low_level:
; /* Configure SysTick. */
;
LDR r0, =0xE000E000 ; Build address of NVIC registers
LDR r1, =0
STR r1, [r0, #0x10] // Reset SysTick Control
STR r1, [r0, #0x18] // Reset SysTick Counter Value
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] ; Setup SysTick Reload Value
MOVS r1, #0x7 ; Build SysTick Control Enable Value
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3 changes: 3 additions & 0 deletions ports/cortex_m0/keil/example_build/tx_initialize_low_level.s
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,9 @@ _tx_initialize_low_level
; /* Configure SysTick. */
;
LDR r0, =0xE000E000 ; Build address of NVIC registers
LDR r1, =0
STR r1, [r0, #0x10] // Reset SysTick Control
STR r1, [r0, #0x18] // Reset SysTick Counter Value
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] ; Setup SysTick Reload Value
MOVS r1, #0x7 ; Build SysTick Control Enable Value
Expand Down