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immedately change clock rate to load data sections faster

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This commit is contained in:
Conor Patrick 2019-02-06 17:55:27 -05:00
parent 765d532f82
commit 2ed8667f18
2 changed files with 31 additions and 27 deletions
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5
targets/stm32l432/src/startup_stm32l432xx.s
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@ -79,6 +79,8 @@ Reset_Handler:
ldr sp, =_estack /* Atollic update: set stack pointer */ ldr sp, =_estack /* Atollic update: set stack pointer */
/* Copy the data segment initializers from flash to SRAM */ /* Copy the data segment initializers from flash to SRAM */
/* Call the clock system intitialization function.*/
bl SystemInit
movs r1, #0 movs r1, #0
b LoopCopyDataInit b LoopCopyDataInit
@ -106,8 +108,7 @@ LoopFillZerobss:
cmp r2, r3 cmp r2, r3
bcc FillZerobss bcc FillZerobss
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */ /* Call static constructors */
bl __libc_init_array bl __libc_init_array
/* Call the application's entry point.*/ /* Call the application's entry point.*/

3
targets/stm32l432/src/system_stm32l4xx.c
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@ -106,6 +106,7 @@
*/ */
#include "stm32l4xx.h" #include "stm32l4xx.h"
#include "init.h"
#if !defined (HSE_VALUE) #if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */ #define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */
@ -219,6 +220,8 @@ void SystemInit(void)
/* Disable all interrupts */ /* Disable all interrupts */
RCC->CIER = 0x00000000U; RCC->CIER = 0x00000000U;
SystemClock_Config_LF();
} }
/** /**