From ae079c1fc5d990ba55714d4b3a51b19f96edaec4 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期四, 24 四月 2025 16:01:43 +0800
Subject: [PATCH] 改为中断来低电平触发发送当前扫描数据，3s内扫描不到的会退出，串口来55 AA 75 70 64 61 74 65，进入升级模式
---
01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_dmac.c | 51 ++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 40 insertions(+), 11 deletions(-)
diff --git a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_dmac.c b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_dmac.c
index ca11780..3459875 100644
--- a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_dmac.c
+++ b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_dmac.c
@@ -41,7 +41,7 @@
/*
* @brief :clear interrupt mask to make sure intterupt enable
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
* @param in :where FlgIdx is interrupt type,It could be:
* DMAC_FLAG_INDEX_TFR
* DMAC_FLAG_INDEX_BLK
@@ -62,7 +62,7 @@
/*
* @brief :mask interrupt,interrupt is useless
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
* @param in :where FlgIdx is interrupt type,It could be:
* DMAC_FLAG_INDEX_TFR
* DMAC_FLAG_INDEX_BLK
@@ -82,8 +82,8 @@
/*
* @brief :set dma channel config,include control register and config register
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
- * @param in :where Config is the config of dma channel:
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
+ * @param in :where Config is the config of dma channel
* @retval :none
*/
void DMAC_SetChannelConfig(DMA_T * dma,uint32_t ChIdx,DMAC_ChannelConfigTypeDef *Config)
@@ -97,8 +97,8 @@
/*
* @brief :get dma channel config,include control register and config register
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
- * @param in :where Config is the config of dma channel:
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
+ * @param in :where Config is the config of dma channel
* @retval :none
*/
void DMAC_GetChannelConfig(DMA_T * dma,uint32_t ChIdx,DMAC_ChannelConfigTypeDef *Config)
@@ -112,10 +112,10 @@
/*
* @brief :start dma channel to transmit
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
- * @param in :where Src is the address of source data:
- * @param in :where Dst is the address of destination data:
- * @param in :where Len is the block size number:
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
+ * @param in :where Src is the address of source data
+ * @param in :where Dst is the address of destination data
+ * @param in :where Len is the block size number
* @retval :none
*/
void DMAC_StartChannel(DMA_T * dma,uint32_t ChIdx,void* Src,void* Dst,uint32_t Len)
@@ -129,16 +129,45 @@
/*DMA channel enable,start to transfer*/
dma->CH_EN_REG_L |= (0x101ul << ChIdx);
}
+
+/*
+ * @brief :continue dma channel with last configuration
+ * @param in :where dma is the base address of dma peripheral
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
+ * @param in :where Len is the block size number
+ * @retval :none
+*/
+void DMAC_ContinueChannel(DMA_T * dma,uint32_t ChIdx, uint32_t Len)
+{
+ /* Set the number of block size, block_size = data_len / DataWidth */
+ if(Len) dma->CH[ChIdx].CTL_H = (dma->CH[ChIdx].CTL_H & (~0xffful)) | Len;
+
+ /* DMA channel enable, start to transfer */
+ dma->CH_EN_REG_L |= (0x101ul << ChIdx);
+}
+
/*
* @brief :stop dma channel
* @param in :where dma is the base address of dma peripheral
- * @param in :where ChIdx is the dma channel number.It could be 0,1,2
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
* @retval :none
*/
void DMAC_StopChannel(DMA_T * dma,uint32_t ChIdx)
{
dma->CH_EN_REG_L = (dma->CH_EN_REG_L & (~(0x1ul << ChIdx))) | (0x100ul << ChIdx);
}
+
+/*
+ * @brief :Get data block count which already transferred by dma
+ * @param in :where dma is the base address of dma peripheral
+ * @param in :where ChIdx is the dma channel number.It could be 0,1
+ * @retval :Transferred data count
+*/
+uint32_t DMAC_GetXferredBlockCount(DMA_T * dma, uint32_t ChIdx)
+{
+ return (dma->CH[ChIdx].CTL_H & 0x3fful);
+}
+
/*
* @brief :Acquire dma free channel
* @param in :where dma is the base address of dma peripheral
--
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