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Kendryte K210 在freertos上的lcd屏幕的使用
2022-07-25 18:00:00 【smile_5me】
K210上的lcd的屏幕为8位的spi并行接口,使用的屏幕开发板的型号为JLT32009A,某宝应该是可以买到的
需要注意的是若在某宝买的这种屏幕,一般会有8位和16位的区别,商家会告诉你这是两个不一样的屏,但是通过我们查看屏幕的规格书会发现,只要跳电阻就可以实现8位和16位的切换,在屏幕的排线上有很多的电阻,找到R8和R16,R8表示8位数据信号,R16表示16位数据信号。
然后查看原理图,如下:

对应project_cfg.h
#ifndef _PROJECT_CFG_H_
#define _PROJECT_CFG_H_
#include <pin_cfg.h>
#define SPI_CHANNEL 0
#define SPI_SLAVE_SELECT 3
#define __SPI_SYSCTL(x, y) SYSCTL_##x##_SPI##y
#define _SPI_SYSCTL(x, y) __SPI_SYSCTL(x, y)
#define SPI_SYSCTL(x) _SPI_SYSCTL(x, SPI_CHANNEL)
#define __SPI_SS(x, y) FUNC_SPI##x##_SS##y
#define _SPI_SS(x, y) __SPI_SS(x, y)
#define SPI_SS _SPI_SS(SPI_C边栏推荐
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