Solved: I am using several devices in one SPI bus (with different CS lines of course). I have defined the LPSI1 master config via
Solved: Use S32DS3.5 and select Example core à Lpspi_Ip_Transter_S32G274A_M7 The configuration needs to be set to CPOL=0, CPHA=0. Is the following
我按照官网提供的SPI例程,先初始化Module,然后在Channel初始化时,将SPI模式配置为3(clock polarity = 1;clock phase=1)。但是此时CLK的状态仍然为低电平,只有当发送一帧数据后,CLK状态才能够变成高电平。这样的话第一帧的CLK就少了一个下降边沿,导致数据读取异常。请问该问题该该怎解决!请大佬们不吝赐教!
百度试题 结果1 题目SPI通信的工作时序有两种,具体由CPHA(Clock Phase,时钟相位)和CPOL(Clock Polarity,时钟极性)决定。正确错误 相关知识点: 试题来源: 解析 错误 反馈 收藏
The master configures the clock polarity (CPOL) and clock phase (CPHA) to correspond to slave device requirements. These parameters determine when the data must be stable, when it should be changed according to the clock line and what the clock level is when the clock is not active. ...
问题可能是由于时钟模式配置错误导致的。SPI时钟模式有四种，分别是模式0、模式1、模式2和模式3，其中...
We're using SPI to communicate between two KL26 microcontrollers. The slave device is set to use DMA and master is not. Encountered problems that *seem* to be related to the clock phase. At least the problem goes away when CPHA is set to 1 in...
One of the devices in SPI bus uses kLPSPI_ClockPhaseSecondEdge whereas the other device uses kLPSPI_ClockPhaseFirstEdge . I am using LPSPI_MasterTransferBlocking(LPSPI_Type *base, lpspi_transfer_t *transfer) from fsl_lpspi.c to send&receive messages. But the transfer config cannot confi...
Hello, Thanks for your post. From my understanding, the settings you have made is actually CPOL=0, CPHA=1. If you want to set with CPOL=0, CPHA=0,
Solved: We're using SPI to communicate between two KL26 microcontrollers. The slave device is set to use DMA and master is not. Encountered