页次: 1
9341是没问题的,但是闲置了好几个7789,想利用起来,引脚卖家说是一样的,
现在7789画面是这样的
9341画面是这样的
之前方向不对我修改了设备树把方向搞好了,负片能从设备树改好吗?
spi@1c68000 {
compatible = "allwinner,sun8i-h3-spi";
reg = <0x1c68000 0x1000>;
interrupts = <0x0 0x41 0x4>;
clocks = <0x2 0x1c 0x2 0x37>;
clock-names = "ahb", "mod";
dmas = <0xf 0x17 0xf 0x17>;
dma-names = "rx", "tx";
pinctrl-names = "default";
pinctrl-0 = <0x17>;
resets = <0x2 0xf>;
status = "okay";
#address-cells = <0x1>;
#size-cells = <0x0>;
ili9341@0 {
compatible = "ilitek,ili9341";
reg = <0x0>;
spi-max-frequency = <0x2faf080>;
txbuflen = <0x25802>;
rotate = <90>;
fps = <0x64>;
buswidth = <0x8>;
bgr;
reset-gpios = <0x13 0x1 0x2 0x0>;
dc-gpios = <0x13 0x2 0x0 0x1>;
debug = <0x1>;
};
};
usb的D+ D-测了没问题,V3S芯片换过了,24MHz晶振换过了,今天把V3S所有的供电都测了一遍,1.25,1.8,3.0,3.3都没问题,我目前发现的两个板子唯一的区别是晶振的最小电平不同
各位大神有没有什么debug的思路?
页次: 1