说明

示例程序

C例程

01-DVI

• 例程基于Wren6991的PicoDVI修改

主要目录解析

• apps目录：例程源码
• assets目录：原始图片与图片头文件
• include目录：默认引脚配置头文件
• libdvi目录：有关DVI驱动源码
• libgui目录：有关GUI源码

Hello DVI例程说明

• Hello DVI例程位于apps目录下的hello_dvi文件下
• 以640x480p 60Hz DVI模式，滚动显示一张分辨率为320x240p RGB565测试图片
  
  

Gui Demo例程说明

• Gui Demo例程位于apps目录下的gui demo文件下
• 以640x480p 60Hz DVI模式，依次刷出白、红、黄、绿、青、蓝、紫、黑，再刷GUI图像
  
  

02-USB

• 例程基于sekigon-gonnoc的Pico-PIO-USB修改

主要目录解析

• examples：例程源码
• src：有关PIO-USB驱动源码

capture_hid_report例程说明

• capture_hid_report例程位于examples目录下的capture_hid_report
• PIO-USB将作为一个USB主机，用于接收并打印USB设备发送的HID报告
  
  

usb_device例程说明

• usb_device例程位于examples目录下的usb_device
• PIO-USB将模拟为一个鼠标并每0.5s移动一次鼠标光标
  
  

Host_hid_to_device_cdc例程说明

• Host_hid_to_device_cdc例程位于examples目录下的Host_hid_to_device_cdc
• Host_hid_to_device_cdc类似于capture_hid_report，从主机端口打印鼠标/键盘报告到设备端口的cdc
  
  

03-MicroSD

主要目录解析

• tests:测试使用的源码
• FatFs_SPI:MicroSD有关驱动源码

例程说明

1. 使用putty或者mobaxterm等终端工具，打开RP2350-PiZero对应的USB串行端口
2. 输入回车，会显示以下信息

   >

3. 输入help指令可以得到可用指令，如下

setrtc <DD> <MM> <YY> <hh> <mm> <ss>:
  Set Real Time Clock
  Parameters: new date (DD MM YY) new time in 24-hour format (hh mm ss)
	e.g.:setrtc 16 3 21 0 4 0

date:
 Print current date and time

lliot <drive#>:
 !DESTRUCTIVE! Low Level I/O Driver Test
	e.g.: lliot 1

format [<drive#:>]:
  Creates an FAT/exFAT volume on the logical drive.
	e.g.: format 0:

mount [<drive#:>]:
  Register the work area of the volume
	e.g.: mount 0:

unmount <drive#:>:
  Unregister the work area of the volume

chdrive <drive#:>:
  Changes the current directory of the logical drive.
  <path> Specifies the directory to be set as current directory.
	e.g.: chdrive 1:

getfree [<drive#:>]:
  Print the free space on drive

cd <path>:
  Changes the current directory of the logical drive.
  <path> Specifies the directory to be set as current directory.
	e.g.: cd 1:/dir1

mkdir <path>:
  Make a new directory.
  <path> Specifies the name of the directory to be created.
	e.g.: mkdir /dir1

ls:
  List directory

cat <filename>:
  Type file contents

simple:
  Run simple FS tests

big_file_test <pathname> <size in bytes> <seed>:
 Writes random data to file <pathname>.
 <size in bytes> must be multiple of 512.
	e.g.: big_file_test bf 1048576 1
	or: big_file_test big3G-3 0xC0000000 3

cdef:
  Create Disk and Example Files
  Expects card to be already formatted and mounted

start_logger:
  Start Data Log Demo

stop_logger:
  Stop Data Log Demo

Arduino例程

01-DVI

• 例程基于Wren6991的PicoDVI修改

Hello Dvi例程说明

• Hello Dvi例程位于Hello Dvi目录下
• 以640x480p 60Hz DVI模式，滚动显示一张分辨率为320x240p RGB565测试图片
  
  

02-USB

• 例程基于sekigon-gonnoc的Pico-PIO-USB修改

依赖库安装

本程序需要安装 Pico PIO USB 库使用，具体安装步骤如下：

1. 安装 Pico PIO USB 库
   
   
2. 选择"全部安装"
   
   
3. 安装成功
   
   
4. 更改USB Stack配置
   
   

device_info例程说明

• device_info例程位于device_info目录下
• PIO-USB将作为一个USB主机，用于接收并打印USB设备的描述符信息
• 程序上传成功后打开串口监视器，接入USB设备，按下"RUN"按键重启RP2350-PiZero

Core1 setup to run TinyUSB host with pio-usb
Device attached, address = 1
Device 1: ID 05ac:0256
Device Descriptor:
  bLength             18
  bDescriptorType     1
  bcdUSB              0110
  bDeviceClass        0
  bDeviceSubClass     0
  bDeviceProtocol     0
  bMaxPacketSize0     64
  idVendor            0x05ac
  idProduct           0x0256
  bcdDevice           0310
  iManufacturer       1     CX
  iProduct            2     2.4G Wireless Receiver
  iSerialNumber       0     
  bNumConfigurations  1
TinyUSB Dual Device Info Example

03-MicroSD

例程说明

• 插入SD卡，运行程序，实现向SD卡写入数据

Hello, world!
V2-Version Card
R3/R7: 0x1aa
R3/R7: 0x40ff8000
R3/R7: 0xc0ff8000
Card Initialized: High Capacity Card
SD card initialized
SDHC/SDXC Card: hc_c_size: 30475
Sectors: 31207424
Capacity:    15238 MB
Goodbye, world!