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add floating print to STM32F303

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This commit is contained in:
Edward Emelianov
2022-02-12 01:25:37 +03:00
parent 867abe359a
commit 8f9e80afa9
89 changed files with 8676 additions and 13 deletions
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9
F303-nolib/inc/Fx/stm32f3.h
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@@ -32,6 +32,10 @@
#define VECT_TAB_OFFSET 0x0 /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/*
TRUE_INLINE void enable_FPU(){
SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); // set CP10 and CP11 Full Access
}*/
//extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
//extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
@@ -45,11 +49,6 @@
*/
TRUE_INLINE void sysreset(void) // not usable
{
/* FPU settings ------------------------------------------------------------*/
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
#endif
/* Reset the RCC clock configuration to the default reset state ------------*/
/* Set HSION bit */
RCC->CR |= RCC_CR_HSION;

7538
F303-nolib/inc/cm/arm_math.h Normal file
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File diff suppressed because it is too large Load Diff

8
F303-nolib/inc/startup/vector.c
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@@ -833,6 +833,14 @@ void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void)
// enable 8-byte stack alignment to comply with AAPCS
SCB->CCR |= 0x00000200;
/* FPU settings ------------------------------------------------------------*/
#if (__FPU_PRESENT == 1)
SCB->CPACR = 0x0f << 20 ; /* set CP10 and CP11 Full Access */
nop();
__DSB();
__ISB();
#endif
// copy initialized variables data
while ( dst < &_edata ) { *dst++ = *src++; }