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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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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++; }