RISC-V low-cost experience - using the Arduino to develop the Hummingbird E203 program

tags: RISC-V Arduino Hummingbird E203

Operating system: Windows 10 64bit

FPGA Development Board: LicheeTang (Anlogic EG4S20BG256)

RV Debugger: Sipeed USB-JTAG/TTL (FT2232D)

First, download the Hummingbird RV core

Download the latest version of TD and install it on the official website of Anlu

according tohttp://tang.lichee.pro/get_started/driver.htmlMethod of installing drivers

Download Hummingbird E203 Source

https://github.com/Lichee-Pi/Tang_E203_Mini

Open the project e203egmini_new.al Click the run button to compile and generate the stream file.
Download code stream to FPGA Flash

according tohttp://tang.lichee.pro/get_started/fpga_download.html

Second, install RV debugger driver (FT2232D)

Insert RV Debugger (FT2232D)

Open Device Manager and there are two other devices (default both are Dual
RS232, win10 will automatically install the serial port driver for one of them)

install driver

Driver download address

After downloading and installing the driver, a serial device and a universal serial bus device appear in the device manager.

This driver is installed.

Third, install the Arduino environment

1.Arduino->File->Preferences->Additional Development Board Manager URL

->Input ->

-> Good

2. Tools -> Development Board -> Development Board Manager

->LicheeTang Hbird E203 Board ->Installation

Connect RV debugger with LicheeTang

LicheeTang	RV debugger
C9	TMS
B6	TDI
C5	TCK
A4	TDO
J13(TX0)	RX
H14(RX0)	TX
G	GND

Set development board information and programmer

Development Board->LicheeTang Hbird E203 Board

Port->Debugger serial port number

Programmer->LicheeTang OpenOCD

Flash test program

#define LED_RED 9
#define LED_BLUE 10
#define LED_GREEN 11
#define DELAY_TIME 1000

void setup() {

  Serial.begin(9600);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(LED_BLUE, OUTPUT);
  digitalWrite(LED_RED, HIGH); 
  digitalWrite(LED_GREEN, HIGH);
  digitalWrite(LED_BLUE, HIGH);
  Serial.println("Blink Test:");
}

void loop() {
  digitalWrite(LED_RED, LOW);  
  Serial.println("LED RED : ON");
  delay(DELAY_TIME);                      
  digitalWrite(LED_RED, HIGH);
  Serial.println("LED RED : OFF");
  delay(DELAY_TIME);                      
  digitalWrite(LED_GREEN, LOW); 
  Serial.println("LED GREEN : ON");
  delay(DELAY_TIME);                      
  digitalWrite(LED_GREEN, HIGH); 
  Serial.println("LED GREEN : OFF");
  delay(DELAY_TIME);                      
  digitalWrite(LED_BLUE, LOW); 
  Serial.println("LED BLUE : ON");
  delay(DELAY_TIME);                       
  digitalWrite(LED_BLUE, HIGH);
  Serial.println("LED BLUE : OFF");
  delay(DELAY_TIME);                      
}

Click Upload to wait for the upload to succeed, then open the serial monitor to see the flash status output.

LicheeTang and Arduino interface correspondence

LicheeTang	Arduino
H13	0(RX0)
J13	1(TX0)
R16	2
M12	3~
P12	4
N11	5~
L10	6~
P11	7
A3	8
N3(LED_RED)	9
M4(LED_BLUE)	10
P4(LED_GREEN)	11
B10	12
B14	13
B16	14
C16	15
C15	16
E16	17~
F16	18~
J11	19~

Note: Currently it is only a simple migration from Hifive, there is incompatible code, please wait for the subsequent version to fix, this version is only for demonstration.

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