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60 lines
1.7 KiB
60 lines
1.7 KiB
/* |
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* This file is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This file is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* See the GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "stm32_util.h" |
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#include <stdint.h> |
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void stm32_timer_set_input_filter(stm32_tim_t *tim, uint8_t channel, uint8_t filter_mode) |
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{ |
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switch (channel) { |
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case 0: |
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tim->CCMR1 |= STM32_TIM_CCMR1_IC1F(filter_mode); |
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break; |
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case 1: |
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tim->CCMR1 |= STM32_TIM_CCMR1_IC2F(filter_mode); |
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break; |
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case 2: |
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tim->CCMR2 |= STM32_TIM_CCMR2_IC3F(filter_mode); |
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break; |
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case 3: |
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tim->CCMR2 |= STM32_TIM_CCMR2_IC4F(filter_mode); |
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break; |
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} |
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} |
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/* |
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invalidate data cache following a DMA transfer into memory. |
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*/ |
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void dma_invalidate(void *buf, uint32_t size) |
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{ |
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#if defined(STM32F7) && STM32_DMA_CACHE_HANDLING == TRUE |
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if (((ptrdiff_t)buf) > (ptrdiff_t)0x20020000) { |
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dmaBufferInvalidate(buf, size); |
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} |
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#endif |
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} |
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/* |
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flush data cache into RAM before a DMA transfer |
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*/ |
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void dma_flush(const void *buf, uint32_t size) |
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{ |
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#if defined(STM32F7) && STM32_DMA_CACHE_HANDLING == TRUE |
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if (((ptrdiff_t)buf) > (ptrdiff_t)0x20020000) { |
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dmaBufferFlush(buf, size); |
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} |
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#endif |
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}
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