221 lines
9.7 KiB
C
221 lines
9.7 KiB
C
/******************************************************************************************************************************************
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* 文件名称: SWM341_dma2d.c
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* 功能说明: SWM341单片机的DMA2D功能驱动库
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* 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
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* 注意事项:
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* 版本日期: V1.0.0 2016年1月30日
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* 升级记录:
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*
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*
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*******************************************************************************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
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* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
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* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
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* -ECTION WITH THEIR PRODUCTS.
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*
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* COPYRIGHT 2012 Synwit Technology
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*******************************************************************************************************************************************/
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#include "SWM341.h"
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#include "SWM341_dma2d.h"
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_Init()
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* 功能说明: DMA2D初始化
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* 输 入: DMA2D_InitStructure * initStruct
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_Init(DMA2D_InitStructure * initStruct)
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{
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SYS->CLKEN0 |= (1 << SYS_CLKEN0_DMA2D_Pos);
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DMA2D->CR &= ~DMA2D_CR_WAIT_Msk;
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DMA2D->CR |= (initStruct->Interval << DMA2D_CR_WAIT_Pos);
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DMA2D->IF = 0xFF;
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DMA2D->IE = (initStruct->IntEOTEn << DMA2D_IE_DONE_Pos);
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if(initStruct->IntEOTEn)
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NVIC_EnableIRQ(DMA2D_IRQn);
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_PixelFill()
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* 功能说明: DMA2D向指定存储器区域填充指定颜色
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* 输 入: DMA2D_LayerSetting * outLayer 要填充的位置、大小、颜色格式等
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* uint32_t color 要填充的颜色
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_PixelFill(DMA2D_LayerSetting * outLayer, uint32_t color)
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{
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DMA2D->L[DMA2D_LAYER_OUT].COLOR = color;
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DMA2D->L[DMA2D_LAYER_OUT].MAR = outLayer->Address;
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DMA2D->L[DMA2D_LAYER_OUT].OR = outLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_OUT].PFCCR = (outLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos);
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DMA2D->NLR = ((outLayer->LineCount - 1) << DMA2D_NLR_NLINE_Pos) |
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((outLayer->LinePixel - 1) << DMA2D_NLR_NPIXEL_Pos);
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DMA2D->CR &= ~DMA2D_CR_MODE_Msk;
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DMA2D->CR |= (3 << DMA2D_CR_MODE_Pos) |
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(1 << DMA2D_CR_START_Pos);
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_PixelMove()
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* 功能说明: DMA2D像素数据搬运
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* 输 入: DMA2D_LayerSetting * fgLayer
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* DMA2D_LayerSetting * outLayer
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_PixelMove(DMA2D_LayerSetting * fgLayer, DMA2D_LayerSetting * outLayer)
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{
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DMA2D->L[DMA2D_LAYER_FG].MAR = fgLayer->Address;
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DMA2D->L[DMA2D_LAYER_FG].OR = fgLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_FG].PFCCR = (fgLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos);
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DMA2D->L[DMA2D_LAYER_OUT].MAR = outLayer->Address;
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DMA2D->L[DMA2D_LAYER_OUT].OR = outLayer->LineOffset;
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DMA2D->NLR = ((outLayer->LineCount - 1) << DMA2D_NLR_NLINE_Pos) |
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((outLayer->LinePixel - 1) << DMA2D_NLR_NPIXEL_Pos);
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DMA2D->CR &= ~DMA2D_CR_MODE_Msk;
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DMA2D->CR |= (0 << DMA2D_CR_MODE_Pos) |
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(1 << DMA2D_CR_START_Pos);
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_PixelConvert()
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* 功能说明: DMA2D像素转换
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* 输 入: DMA2D_LayerSetting * fgLayer
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* DMA2D_LayerSetting * outLayer
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_PixelConvert(DMA2D_LayerSetting * fgLayer, DMA2D_LayerSetting * outLayer)
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{
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DMA2D->L[DMA2D_LAYER_FG].MAR = fgLayer->Address;
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DMA2D->L[DMA2D_LAYER_FG].OR = fgLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_FG].PFCCR = (fgLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos);
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DMA2D->L[DMA2D_LAYER_OUT].MAR = outLayer->Address;
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DMA2D->L[DMA2D_LAYER_OUT].OR = outLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_OUT].PFCCR = (outLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos);
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DMA2D->NLR = ((outLayer->LineCount - 1) << DMA2D_NLR_NLINE_Pos) |
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((outLayer->LinePixel - 1) << DMA2D_NLR_NPIXEL_Pos);
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DMA2D->CR &= ~DMA2D_CR_MODE_Msk;
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DMA2D->CR |= (1 << DMA2D_CR_MODE_Pos) |
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(1 << DMA2D_CR_START_Pos);
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_PixelBlend()
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* 功能说明: DMA2D像素混合
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* 输 入: DMA2D_LayerSetting * fgLayer
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* DMA2D_LayerSetting * bgLayer
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* DMA2D_LayerSetting * outLayer
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_PixelBlend(DMA2D_LayerSetting * fgLayer, DMA2D_LayerSetting * bgLayer, DMA2D_LayerSetting * outLayer)
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{
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DMA2D->L[DMA2D_LAYER_FG].MAR = fgLayer->Address;
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DMA2D->L[DMA2D_LAYER_FG].OR = fgLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_FG].PFCCR = (fgLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos) |
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(fgLayer->AlphaMode << DAM2D_PFCCR_AMODE_Pos) |
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(fgLayer->Alpha << DMA2D_PFCCR_ALPHA_Pos);
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DMA2D->L[DMA2D_LAYER_BG].MAR = bgLayer->Address;
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DMA2D->L[DMA2D_LAYER_BG].OR = bgLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_BG].PFCCR = (bgLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos) |
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(bgLayer->AlphaMode << DAM2D_PFCCR_AMODE_Pos) |
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(bgLayer->Alpha << DMA2D_PFCCR_ALPHA_Pos);
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DMA2D->L[DMA2D_LAYER_OUT].MAR = outLayer->Address;
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DMA2D->L[DMA2D_LAYER_OUT].OR = outLayer->LineOffset;
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DMA2D->L[DMA2D_LAYER_OUT].PFCCR = (outLayer->ColorMode << DMA2D_PFCCR_CFMT_Pos);
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DMA2D->NLR = ((outLayer->LineCount - 1) << DMA2D_NLR_NLINE_Pos) |
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((outLayer->LinePixel - 1) << DMA2D_NLR_NPIXEL_Pos);
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DMA2D->CR &= ~DMA2D_CR_MODE_Msk;
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DMA2D->CR |= (2 << DMA2D_CR_MODE_Pos) |
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(1 << DMA2D_CR_START_Pos);
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_IsBusy()
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* 功能说明: DMA2D忙查询
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* 输 入: 无
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* 输 出: uint32_t 1 正在传输 0 传输完成
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* 注意事项: 无
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******************************************************************************************************************************************/
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uint32_t DMA2D_IsBusy(void)
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{
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return (DMA2D->CR & DMA2D_CR_START_Msk) ? 1 : 0;
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_INTEn()
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* 功能说明: DMA2D中断使能，完成指定长度的数据传输时触发中断
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_INTEn(void)
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{
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DMA2D->IE = DMA2D_IE_DONE_Msk;
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_INTDis()
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* 功能说明: DMA2D中断禁止，完成指定长度的数据传输时不触发中断
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_INTDis(void)
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{
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DMA2D->IE = 0;
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_INTClr()
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* 功能说明: DMA2D中断标志清除
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* 输 入: 无
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* 输 出: 无
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* 注意事项: 无
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******************************************************************************************************************************************/
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void DMA2D_INTClr(void)
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{
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DMA2D->IF = DMA2D_IF_DONE_Msk;
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}
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/******************************************************************************************************************************************
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* 函数名称: DMA2D_INTStat()
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* 功能说明: DMA2D中断状态查询
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* 输 入: 无
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* 输 出: uint32_t 0 未完成指定长度的数据传输 1 完成指定长度的数据传输
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* 注意事项: 无
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******************************************************************************************************************************************/
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uint32_t DMA2D_INTStat(void)
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{
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return (DMA2D->IF & DMA2D_IF_DONE_Msk) ? 1 : 0;
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}
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