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STM32F4: Drivers

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This commit is contained in:
blckmn 2016-06-08 05:37:08 +10:00
parent 96757c18a2
commit 7ca39bbde6
29 changed files with 2082 additions and 282 deletions
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65
src/main/drivers/dma_stm32f4xx.c Normal file
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/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <string.h>
#include <stdint.h>
#include <platform.h>
#include "build_config.h"
#include "drivers/dma.h"
/*
* DMA handlers for DMA resources that are shared between different features depending on run-time configuration.
*/
static dmaHandlers_t dmaHandlers;
void dmaNoOpHandler(DMA_Stream_TypeDef *stream)
{
UNUSED(stream);
}
void DMA1_Stream2_IRQHandler(void)
{
dmaHandlers.dma1Stream2IRQHandler(DMA1_Stream2);
}
void DMA1_Stream7_IRQHandler(void)
{
dmaHandlers.dma1Stream7IRQHandler(DMA1_Stream7);
}
void dmaInit(void)
{
memset(&dmaHandlers, 0, sizeof(dmaHandlers));
dmaHandlers.dma1Stream2IRQHandler = dmaNoOpHandler;
dmaHandlers.dma1Stream7IRQHandler = dmaNoOpHandler;
}
void dmaSetHandler(dmaHandlerIdentifier_e identifier, dmaCallbackHandlerFuncPtr callback)
{
switch (identifier) {
case DMA1_ST2_HANDLER:
dmaHandlers.dma1Stream2IRQHandler = callback;
break;
case DMA1_ST7_HANDLER:
dmaHandlers.dma1Stream7IRQHandler = callback;
break;
}
}