mirror of
https://github.com/betaflight/betaflight.git
synced 2025-07-24 08:45:36 +03:00
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*
|
|
* This file is part of Cleanflight and Betaflight.
|
|
*
|
|
* Cleanflight and Betaflight are free software. You can redistribute
|
|
* this software and/or modify this software 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 and Betaflight are distributed in the hope that they
|
|
* 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 this software.
|
|
*
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "stm32h7xx.h"
|
|
#include "common/utils.h"
|
|
|
|
// XXX Followings are straight copy of stm32f7xx_ll_ex.h.
|
|
// XXX Consider consolidation when LL-DShot is stable.
|
|
|
|
#define DMA_STREAM_MASK 0xFFU
|
|
|
|
__STATIC_INLINE DMA_TypeDef *LL_EX_DMA_Stream_to_DMA(DMA_Stream_TypeDef *DMAx_Streamy)
|
|
{
|
|
// clear stream address
|
|
return (DMA_TypeDef *) (((uint32_t) DMAx_Streamy) & ((uint32_t) ~DMA_STREAM_MASK));
|
|
}
|
|
|
|
__STATIC_INLINE uint32_t LL_EX_DMA_Stream_to_Stream(DMA_Stream_TypeDef *DMAx_Streamy)
|
|
{
|
|
STATIC_ASSERT(DMA1_Stream0_BASE - DMA1_BASE == sizeof(DMA_TypeDef), DMA_TypeDef_has_padding);
|
|
STATIC_ASSERT(DMA1_Stream1_BASE - DMA1_Stream0_BASE == sizeof(DMA_Stream_TypeDef), DMA_Stream_TypeDef_has_padding);
|
|
|
|
const size_t firstStreamOffset = sizeof(DMA_TypeDef);
|
|
const size_t streamSize = sizeof(DMA_Stream_TypeDef);
|
|
|
|
return (((uint32_t) DMAx_Streamy & DMA_STREAM_MASK) - firstStreamOffset) / streamSize;
|
|
}
|
|
|
|
#undef DMA_STREAM_MASK
|
|
|
|
__STATIC_INLINE uint32_t LL_EX_DMA_Init(DMA_Stream_TypeDef *DMAx_Streamy, LL_DMA_InitTypeDef *DMA_InitStruct) {
|
|
DMA_TypeDef *DMA = LL_EX_DMA_Stream_to_DMA(DMAx_Streamy);
|
|
const uint32_t Stream = LL_EX_DMA_Stream_to_Stream(DMAx_Streamy);
|
|
|
|
return LL_DMA_Init(DMA, Stream, DMA_InitStruct);
|
|
}
|
|
|
|
__STATIC_INLINE uint32_t LL_EX_DMA_DeInit(DMA_Stream_TypeDef *DMAx_Streamy) {
|
|
DMA_TypeDef *DMA = LL_EX_DMA_Stream_to_DMA(DMAx_Streamy);
|
|
const uint32_t Stream = LL_EX_DMA_Stream_to_Stream(DMAx_Streamy);
|
|
|
|
return LL_DMA_DeInit(DMA, Stream);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_DMA_EnableResource(DMA_Stream_TypeDef *DMAx_Streamy)
|
|
{
|
|
SET_BIT(DMAx_Streamy->CR, DMA_SxCR_EN);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_DMA_DisableResource(DMA_Stream_TypeDef *DMAx_Streamy)
|
|
{
|
|
CLEAR_BIT(DMAx_Streamy->CR, DMA_SxCR_EN);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_DMA_EnableIT_TC(DMA_Stream_TypeDef *DMAx_Streamy)
|
|
{
|
|
SET_BIT(DMAx_Streamy->CR, DMA_SxCR_TCIE);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_DMA_SetDataLength(DMA_Stream_TypeDef* DMAx_Streamy, uint32_t NbData)
|
|
{
|
|
MODIFY_REG(DMAx_Streamy->NDTR, DMA_SxNDT, NbData);
|
|
}
|
|
|
|
__STATIC_INLINE uint32_t LL_EX_DMA_GetDataLength(DMA_Stream_TypeDef* DMAx_Streamy)
|
|
{
|
|
DMA_TypeDef *DMA = LL_EX_DMA_Stream_to_DMA(DMAx_Streamy);
|
|
const uint32_t Stream = LL_EX_DMA_Stream_to_Stream(DMAx_Streamy);
|
|
return LL_DMA_GetDataLength(DMA, Stream);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_TIM_EnableIT(TIM_TypeDef *TIMx, uint32_t Sources)
|
|
{
|
|
SET_BIT(TIMx->DIER, Sources);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_TIM_DisableIT(TIM_TypeDef *TIMx, uint32_t Sources)
|
|
{
|
|
CLEAR_BIT(TIMx->DIER, Sources);
|
|
}
|
|
|
|
__STATIC_INLINE void LL_EX_TIM_CC_EnableNChannel(TIM_TypeDef *TIMx, uint32_t Channel)
|
|
{
|
|
LL_TIM_CC_EnableChannel(TIMx, 4 * Channel);
|
|
}
|