libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
rt-thread/bsp/swm320/libraries/SWM320_StdPeriph_Driver/SWM320_dma.c

139 lines
5.9 KiB
C
Raw Normal View History

完善SWM320 BSP
2021-02-18 13:29:12 +08:00
/******************************************************************************************************************************************
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: SWM320_dma.c
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: SWM320<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>DMA<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>֧<EFBFBD><EFBFBD>: http://www.synwit.com.cn/e/tool/gbook/?bid=1
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
* <EFBFBD>汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: V1.1.0 2017<EFBFBD><EFBFBD>10<EFBFBD><EFBFBD>25<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼:
*
*
*******************************************************************************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
* -ECTION WITH THEIR PRODUCTS.
*
* COPYRIGHT 2012 Synwit Technology
*******************************************************************************************************************************************/
#include "SWM320.h"
#include "SWM320_dma.h"
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CHM_Config()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMAͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ洢<EFBFBD><EFBFBD><EFBFBD>䣨<EFBFBD><EFBFBD>Flash<EFBFBD><EFBFBD>RAM<EFBFBD>䣩<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* uint32_t src_addr Դ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>00
* uint32_t src_addr_incr 0 <EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD>ַ 1 <EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* uint32_t dst_addr Ŀ<EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>00
* uint32_t dst_addr_incr 0 <EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD>ַ 1 <EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* uint32_t num_word Ҫ<EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1024
* uint32_t int_en <EFBFBD>ж<EFBFBD>ʹ<EFBFBD>ܣ<EFBFBD>1 <EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> 0 <EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ󲻲<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
******************************************************************************************************************************************/
void DMA_CHM_Config(uint32_t chn, uint32_t src_addr, uint32_t src_addr_incr, uint32_t dst_addr, uint32_t dst_addr_incr, uint32_t num_word, uint32_t int_en)
{
DMA->EN = 1; //ÿ<><C3BF>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>ؿ<EFBFBD><D8BF>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܿ<EFBFBD><DCBF>ؿ<EFBFBD><D8BF><EFBFBD><EFBFBD><EFBFBD>һֱ<D2BB><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DMA_CH_Close(chn); //<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD>ȹرո<D8B1>ͨ<EFBFBD><CDA8>
DMA->CH[chn].SRC = src_addr;
DMA->CH[chn].DST = dst_addr;
DMA->CH[chn].CR = ((num_word*4-1) << DMA_CR_LEN_Pos) |
(0 << DMA_CR_AUTORE_Pos);
DMA->CH[chn].AM = (src_addr_incr << DMA_AM_SRCAM_Pos) |
(dst_addr_incr << DMA_AM_DSTAM_Pos) |
(0 << DMA_AM_BURST_Pos);
DMA->IF = (1 << chn); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־
DMA->IE |= (1 << chn);
if(int_en) DMA->IM &= ~(1 << chn);
else DMA->IM |= (1 << chn);
if(int_en)
{
NVIC_EnableIRQ(DMA_IRQn);
}
else
{
//<2F><><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>NVIC_DisalbeIRQ(DMA_IRQn)<29><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>DMA<4D>ж<EFBFBD>
}
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_Open()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMAͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void DMA_CH_Open(uint32_t chn)
{
DMA->CH[chn].CR |= (1 << DMA_CR_TXEN_Pos);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_Close()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMAͨ<EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void DMA_CH_Close(uint32_t chn)
{
DMA->CH[chn].CR &= ~(1 << DMA_CR_TXEN_Pos);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_INTEn()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMA<EFBFBD>ж<EFBFBD>ʹ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ󴥷<EFBFBD><EFBFBD>ж<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void DMA_CH_INTEn(uint32_t chn)
{
DMA->IM &= ~(1 << chn);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_INTDis()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMA<EFBFBD>жϽ<EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ󲻴<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void DMA_CH_INTDis(uint32_t chn)
{
DMA->IM |= (1 << chn);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_INTClr()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMA<EFBFBD>жϱ<EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void DMA_CH_INTClr(uint32_t chn)
{
DMA->IF = (1 << chn);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: DMA_CH_INTStat()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: DMA<EFBFBD>ж<EFBFBD>״̬<EFBFBD><EFBFBD>ѯ
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t chn ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD>DMA_CH0<EFBFBD><EFBFBD>DMA_CH1<EFBFBD><EFBFBD>DMA_CH2
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: uint32_t 1 <EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
uint32_t DMA_CH_INTStat(uint32_t chn)
{
return (DMA->IF & (1 << chn)) ? 1 : 0;
}