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_hal_i2c.c | 60 +++++++++++++++++++++++++++---------------------------------
1 files changed, 27 insertions(+), 33 deletions(-)
diff --git a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_hal_i2c.c b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_hal_i2c.c
index ae2205d..d350148 100644
--- a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_hal_i2c.c
+++ b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/peripheral/src/pan_hal_i2c.c
@@ -291,8 +291,7 @@
i2c->TxXferSize = Size;
i2c->TxXferCount = 0;
- I2C_SetTxTirggerLevel(i2c->I2Cx, I2C_TX_TL_0);
- I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_0);
+ I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_1); // I2C Tx-FIFO DMA-Trigger-Level = 1
I2C_DMACmd(i2c->I2Cx, ENABLE);
// Initialize the DMA controller
@@ -305,17 +304,15 @@
dma_mem2i2c_config.PeripheralDst = i2c->DMA_DST;
DMAC_Channel_Array[DmaChNum].ConfigTmp = dma_mem2i2c_config;
DMAC_Channel_Array[DmaChNum].CallbackI2c = Callback;
- DMAC_Channel_Array[DmaChNum].XferFlag = false;
DMAC_Channel_Array[DmaChNum].pBuffPtr = (uint32_t *)i2c->pTxBuffPtr;
DMAC_Channel_Array[DmaChNum].XferSize = i2c->TxXferSize;
DMAC_Channel_Array[DmaChNum].PeriMode = DMAC_Peri_I2C;
/*enable dma transfer interrupt*/
DMAC_ClrIntFlagMsk(DMA, DmaChNum, DMAC_FLAG_INDEX_TFR);
-
+
DMAC_SetChannelConfig(DMA, DmaChNum, &DMAC_Channel_Array[DmaChNum].ConfigTmp);
/*start dma tx channel*/
-
- DMAC_StartChannel(DMA, DmaChNum, i2c->pTxBuffPtr, (void *)&(i2c->I2Cx->DATACMD), i2c->TxXferSize);
+ DMAC_StartChannel(DMA, DmaChNum, i2c->pTxBuffPtr, (void *)&(i2c->I2Cx->DATACMD), i2c->TxXferSize/4);
}
static void HAL_I2C_Master_SendData_DMA_U16_STC(I2C_HandleTypeDef *i2c, uint16_t DevAddress, uint16_t *Buf, uint32_t Size, I2C_CallbackFunc Callback)
@@ -324,11 +321,8 @@
i2c->TxXferSize = Size;
i2c->TxXferCount = 0;
- I2C_SetTxTirggerLevel(i2c->I2Cx, I2C_TX_TL_0);
- I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_0);
-
- I2C_SetRxTirggerLevel(i2c->I2Cx, I2C_RX_TL_3);
- I2C_DMAReceiveDataLevel(i2c->I2Cx, I2C_RX_TL_3);
+ I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_1); // I2C Tx-FIFO DMA-Trigger-Level = 1
+ I2C_DMAReceiveDataLevel(i2c->I2Cx, I2C_RX_TL_3); // I2C Rx-FIFO DMA-Trigger-Level = 4
// Initialize the DMA controller
DMAC_Init(DMA);
@@ -337,10 +331,9 @@
uint32_t DmaChNum = 0xFF;
DmaChNum = DMAC_AcquireChannel(DMA);
- dma_mem2i2c_config.PeripheralDst = i2c->DMA_DST;
+ dma_mem2i2c_u16_config.PeripheralDst = i2c->DMA_DST;
DMAC_Channel_Array[DmaChNum].ConfigTmp = dma_mem2i2c_u16_config;
DMAC_Channel_Array[DmaChNum].CallbackI2c = Callback;
- DMAC_Channel_Array[DmaChNum].XferFlag = false;
DMAC_Channel_Array[DmaChNum].pBuffPtr = (uint32_t *)Buf;
DMAC_Channel_Array[DmaChNum].XferSize = i2c->TxXferSize;
DMAC_Channel_Array[DmaChNum].PeriMode = DMAC_Peri_I2C;
@@ -349,21 +342,24 @@
DMAC_SetChannelConfig(DMA, DmaChNum, &DMAC_Channel_Array[DmaChNum].ConfigTmp);
/*start dma tx channel*/
-
DMAC_StartChannel(DMA, DmaChNum, Buf, (void *)&(i2c->I2Cx->DATACMD), i2c->TxXferSize);
-
}
static uint16_t cmd_buf[256]={0};
void HAL_I2C_Master_ReceiveData_DMA(I2C_HandleTypeDef *i2c, uint16_t DevAddress, uint8_t *Buf, uint32_t Size, I2C_CallbackFunc Callback)
{
- uint16_t i;
- for(i=0;i<Size-1;i++){
+ uint16_t i = 0;
+
+ // Check to avoid buf overflow
+ if (Size > 256) {
+ return;
+ }
+
+ for(; i < Size - 1; i++) {
cmd_buf[i] = (I2C_CMD_RD << 8);
}
cmd_buf[i] = ((I2C_CMD_RD|I2C_CMD_STOP) << 8);
-
HAL_I2C_Master_SendData_DMA_U16_STC(i2c,DevAddress, cmd_buf, Size, NULL);
@@ -380,12 +376,11 @@
dma_i2c2mem_config.PeripheralSrc = i2c->DMA_SRC;
DMAC_Channel_Array[DmaChNum].ConfigTmp = dma_i2c2mem_config;
DMAC_Channel_Array[DmaChNum].CallbackI2c = Callback;
- DMAC_Channel_Array[DmaChNum].XferFlag = false;
DMAC_Channel_Array[DmaChNum].pBuffPtr = (uint32_t*)i2c->pRxBuffPtr;
DMAC_Channel_Array[DmaChNum].XferSize = i2c->RxXferSize;
DMAC_Channel_Array[DmaChNum].PeriMode = DMAC_Peri_I2C;
DMAC_SetChannelConfig(DMA, DmaChNum, &DMAC_Channel_Array[DmaChNum].ConfigTmp);
- /*start dma tx channel*/
+ /*start dma rx channel*/
DMAC_StartChannel(DMA, DmaChNum, (void *)&(i2c->I2Cx->DATACMD), i2c->pRxBuffPtr, i2c->RxXferSize);
I2C_DMACmd(i2c->I2Cx, ENABLE);
}
@@ -480,10 +475,7 @@
i2c->TxXferSize = Size;
i2c->TxXferCount = 0;
- I2C_SetTxTirggerLevel(i2c->I2Cx, I2C_TX_TL_3);
- I2C_SetRxTirggerLevel(i2c->I2Cx, I2C_RX_TL_3);
- I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_3);
- I2C_DMAReceiveDataLevel(i2c->I2Cx, I2C_RX_TL_3);
+ I2C_DMATransferDataLevel(i2c->I2Cx, I2C_TX_TL_1); // I2C Tx-FIFO DMA-Trigger-Level = 1
// Initialize the DMA controller
DMAC_Init(DMA);
@@ -498,13 +490,12 @@
dma_mem2i2c_config.PeripheralDst = i2c->DMA_DST;
DMAC_Channel_Array[DmaChNum].ConfigTmp = dma_mem2i2c_config;
DMAC_Channel_Array[DmaChNum].CallbackI2c = Callback;
- DMAC_Channel_Array[DmaChNum].XferFlag = false;
DMAC_Channel_Array[DmaChNum].pBuffPtr = (uint32_t *)i2c->pTxBuffPtr;
DMAC_Channel_Array[DmaChNum].XferSize = i2c->TxXferSize;
DMAC_Channel_Array[DmaChNum].PeriMode = DMAC_Peri_I2C;
DMAC_SetChannelConfig(DMA, DmaChNum, &DMAC_Channel_Array[DmaChNum].ConfigTmp);
/*start dma tx channel*/
- DMAC_StartChannel(DMA, DmaChNum, i2c->pTxBuffPtr, (void *)&(i2c->I2Cx->DATACMD), i2c->TxXferSize/4);
+ DMAC_StartChannel(DMA, DmaChNum, i2c->pTxBuffPtr, (void *)&(i2c->I2Cx->DATACMD), i2c->TxXferSize);
while(!I2C_GetRawITStatus(i2c->I2Cx, I2C_IT_RD_REQ)){}
I2C_DMACmd(i2c->I2Cx, ENABLE);
I2C_ClearITPendingBit(i2c->I2Cx, I2C_IT_RD_REQ);
@@ -516,8 +507,7 @@
i2c->RxXferSize = Size;
i2c->RxXferCount = 0;
- I2C_SetRxTirggerLevel(i2c->I2Cx, I2C_RX_TL_3);
- I2C_DMAReceiveDataLevel(i2c->I2Cx, I2C_RX_TL_3);
+ I2C_DMAReceiveDataLevel(i2c->I2Cx, I2C_RX_TL_3); // I2C Rx-FIFO DMA-Trigger-Level = 4
I2C_DMACmd(i2c->I2Cx, ENABLE);
// Initialize the DMA controller
@@ -531,17 +521,15 @@
dma_i2c2mem_config.PeripheralSrc = i2c->DMA_SRC;
DMAC_Channel_Array[DmaChNum].ConfigTmp = dma_i2c2mem_config;
DMAC_Channel_Array[DmaChNum].CallbackI2c = Callback;
- DMAC_Channel_Array[DmaChNum].XferFlag = false;
DMAC_Channel_Array[DmaChNum].pBuffPtr = (uint32_t *)i2c->pRxBuffPtr;
DMAC_Channel_Array[DmaChNum].XferSize = i2c->RxXferSize;
DMAC_Channel_Array[DmaChNum].PeriMode = DMAC_Peri_I2C;
DMAC_SetChannelConfig(DMA, DmaChNum, &DMAC_Channel_Array[DmaChNum].ConfigTmp);
/*start dma tx channel*/
DMAC_StartChannel(DMA, DmaChNum, (void *)&(i2c->I2Cx->DATACMD), i2c->pRxBuffPtr, i2c->RxXferSize);
-
}
-void I2C0_IRQHandler()
+__WEAK void I2C0_IRQHandlerOverlay(void)
{
if (I2C_GetITStatus(I2C0, I2C_IT_TX_EMPTY))
{
@@ -629,8 +617,14 @@
}
}
}
-
-
}
}
+void I2C0_IRQHandler(void)
+{
+ PAN_IO_TIMING_TRACK_LEVEL(CONFIG_TRACK_PIN_I2C_IRQ, 1);
+
+ I2C0_IRQHandlerOverlay();
+
+ PAN_IO_TIMING_TRACK_LEVEL(CONFIG_TRACK_PIN_I2C_IRQ, 0);
+}
--
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