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spi_verilog [2020/08/08 18:33] gongyu |
spi_verilog [2022/06/23 15:04] (当前版本) gongyu [SPI slave - HDL FPGA code] |
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| 行 197: | 行 197: | ||
| Now let's see if we can do useful things with SPI. | Now let's see if we can do useful things with SPI. | ||
| - | ### SPI 3 - Application | + | #### SPI的应用举例 - 驱动LCD |
| - | #### LCD interface | + | |
| Since we already know how to drive a graphic LCD panel, in particular in text mode, let's try to write text out from the LPC. | Since we already know how to drive a graphic LCD panel, in particular in text mode, let's try to write text out from the LPC. | ||
| 行 238: | 行 238: | ||
| - | <wavedrom> | + | Github上分享的一个用SPI驱动SSD1306 OLED屏幕的项目参考代码： |
| - | { "signal" : [ | + | * [[spi_master|SPI Master Verilog代码]] |
| - | { "name": "clk", "wave": "p.....|..." }, | + | * [[ssd1306_verilog|OLED控制器SSD1306的控制逻辑]] |
| - | { "name": "Data", "wave": "x.345x|=.x", "data": ["head", "body", "tail", "data"] }, | + | |
| - | { "name": "Request", "wave": "0.1..0|1.0" }, | + | |
| - | {}, | + | #### 相关资料 |
| - | { "name": "Acknowledge", "wave": "1.....|01." } | + | {{http://ww1.microchip.com/downloads/en/devicedoc/spi.pdf|Microchip关于SPI的PPT}} |
| - | ]} | + | |
| - | </wavedrom> | + | |