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Apply SBI/CBI/TEST in HAL

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This commit is contained in:
Scott Lahteine
2021-05-03 20:09:21 -05:00
parent 65b1139d93
commit 01825d883e
4 changed files with 15 additions and 18 deletions
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4
Marlin/src/HAL/STM32/HAL_MinSerial.cpp
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@@ -71,8 +71,8 @@ static void TXBegin() {
volatile uint32_t ICER[32];
};
NVICMin * nvicBase = (NVICMin*)0xE000E100;
nvicBase->ICER[nvicIndex / 32] |= _BV32(nvicIndex % 32);
NVICMin *nvicBase = (NVICMin*)0xE000E100;
SBI32(nvicBase->ICER[nvicIndex >> 5], nvicIndex & 0x1F);
// We NEED memory barriers to ensure Interrupts are actually disabled!
// ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )