arduino LT8920一直發送接收不了

ID:369306 · 發表于 2020-3-18 16:37

#include <SPI.h>
#include "LT8920.h"

/* Connections:
Arduino -> LT8900

GND       GND
3v3       VCC
8       PKT
9       CS
10       RST
11       MOSI
12       MISO
13       SCK
*/

uint8_t number = 0;

void setup()
{
      //cool
      uint16_t data1;

      //----------------------------------
      LT8920_init();
      //delay(500);       //
      LT8920_begin();
      LT8920_setCurrentControl(4,0);  //
      LT8920_setDataRate(LT8920_62KBPS); //  LT8920_setChannel(0x00);    //
      LT8920_setChannel(0x00);

      //for serial
      Serial.begin(115200);          //
      Serial.println(F("COOL2"));
}

//!!!!!!!!!!!!,PIN_NRF_CS
void loop() //--------------------send
{
  uint8_t data[4]={0xaa,0x55,0x66,0};
  //
  LT8920_writeRegister(7,0x0000);  //設定模式
  LT8920_writeRegister(52,0x8080); //清空接收發送FIFO數據
  LT8920_writeRegister(50,0x0712); //發送數據長度 SPI_WriteReg(50, 2,0);
  LT8920_writeRegister(50,0x3450); //數據
  LT8920_writeRegister(50,0x7890);
  LT8920_writeRegister(50,0xA0A0);

  LT8920_writeRegister(7,0x0100);  //發送
  delay(20);       //

//  Serial.println(F(""));
//  Serial.print(F("Tx"));
  while (digitalRead(8) == 0) //等待發送完成
  {
   delay(20);
   Serial.print(F("Tx"));
   break;
  }
  //if((LT8920_readRegister(52)>>8)&0x3F)==0)

}