From c430b6caca1258fa86036b976a107b5cebbf2613 Mon Sep 17 00:00:00 2001
From: Gaya Mehenni <gaya.mehenni@polymtl.ca>
Date: Fri, 5 Nov 2021 00:09:33 +0000
Subject: [PATCH] fix pwm
---
library/stm32f072xb/dma/abstract-dma/abstract-dma-init.hpp | 2 +-
library/stm32f072xb/dma/abstract-dma/abstract-dma.cpp | 2 +-
library/stm32f072xb/dma/abstract-dma/abstract-dma.hpp | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/library/stm32f072xb/dma/abstract-dma/abstract-dma-init.hpp b/library/stm32f072xb/dma/abstract-dma/abstract-dma-init.hpp
index 22a65d0..48223f1 100644
--- a/library/stm32f072xb/dma/abstract-dma/abstract-dma-init.hpp
+++ b/library/stm32f072xb/dma/abstract-dma/abstract-dma-init.hpp
@@ -15,7 +15,7 @@ struct AbstractDmaInit {
const DmaMemorySize memorySize;
const DmaPeripheralIncrement peripheralIncrement;
const DmaPeripheralSize peripheralSize;
- const uint8_t* buffer;
+ volatile const uint8_t* buffer;
const uint16_t bufferSize;
};
diff --git a/library/stm32f072xb/dma/abstract-dma/abstract-dma.cpp b/library/stm32f072xb/dma/abstract-dma/abstract-dma.cpp
index ad0f160..f4176d6 100644
--- a/library/stm32f072xb/dma/abstract-dma/abstract-dma.cpp
+++ b/library/stm32f072xb/dma/abstract-dma/abstract-dma.cpp
@@ -50,7 +50,7 @@ void AbstractDma::setPeripheral(DmaPeripheral peripheral) {
}
}
-void AbstractDma::setMemory(const uint8_t* buffer) {
+void AbstractDma::setMemory(volatile const uint8_t* buffer) {
WRITE_REG(_dmaChannel->CMAR, (uint32_t)(buffer));
}
diff --git a/library/stm32f072xb/dma/abstract-dma/abstract-dma.hpp b/library/stm32f072xb/dma/abstract-dma/abstract-dma.hpp
index 1a60dd5..c6987a3 100644
--- a/library/stm32f072xb/dma/abstract-dma/abstract-dma.hpp
+++ b/library/stm32f072xb/dma/abstract-dma/abstract-dma.hpp
@@ -18,7 +18,7 @@ class AbstractDma {
private:
void setPeripheral(DmaPeripheral peripheral);
- void setMemory(const uint8_t* buffer);
+ void setMemory(volatile const uint8_t* buffer);
void setNumberOfDataTransfer(uint16_t numberOfDataTransfer);
void setDirection(DmaDirection direction);
void setCircularMode(DmaCircularMode circularMode);
--
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