[参考译文] BQ79606A-Q1：我尝试使用 Arduino 读取电池电压、但未获得任何响应。

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Other Parts Discussed in Thread: LAUNCHXL2-570LC43

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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1236362/bq79606a-q1-i-am-trying-to-read-the-cell-voltage-using-arduino-but-i-am-not-getting-any-response

器件型号：BQ79606A-Q1
主题中讨论的其他器件：LAUNCHXL2-570LC43

// set pin numbers:
const int wake = 8;   // module wake pin
const int fault = 9;  // module fault pin

void setup() {
  // initialize the pins:
  pinMode(wake, OUTPUT);
  pinMode(fault, INPUT_PULLUP);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);


  // wake sequence
  digitalWrite(wake, LOW);
  delayMicroseconds(250);
  digitalWrite(wake, HIGH);

  delay(7);  //tSU(WAKE) transition time from shutdown to active - 7ms from wake receive to wake propagate for each device

  digitalWrite(19, LOW);
  digitalWrite(18, HIGH);
  delayMicroseconds(250);
  digitalWrite(19, HIGH);
  digitalWrite(18, LOW);

  //enable serial
  Serial.begin(9600);
  Serial1.begin(250000);

  //Autoaddress
  //dummy write to ECC_TEST (sync DLL)
  // WriteReg(0, ECC_TEST, 0x00, 1, FRMWRT_ALL_NR);
  byte ECC_TEST[] = { 0xD0, 0x01, 0x1D, 0x00, 0x60, 0x74 };
  sendData(ECC_TEST, sizeof(ECC_TEST));

  //clear CONFIG in case it is set
  // WriteReg(0, CONFIG, 0x00, 1, FRMWRT_ALL_NR);
  byte CONFIG[] = { 0xD0, 0x00, 0x01, 0x00, 0x39, 0x74 };
  sendData(CONFIG, sizeof(CONFIG));

  //enter auto addressing mode
  // WriteReg(0, CONTROL1, 0x01, 1, FRMWRT_ALL_NR);
  byte CONTROL1[] = { 0xD0, 0x01, 0x05, 0x01, 0xAB, 0xB4 };
  sendData(CONTROL1, sizeof(CONTROL1));

  //set addresses for all boards in daisy-chain
  // WriteReg(0, DEVADD_USR, 0, 1, FRMWRT_ALL_NR);
  byte DEVADD_USR[] = { 0x90, 0x00, 0x00, 0x01, 0x01, 0x24, 0x4D };
  sendData(DEVADD_USR, sizeof(DEVADD_USR));
  // for (nCurrentBoard = 0; nCurrentBoard < TOTALBOARDS; nCurrentBoard++) {
  //   WriteReg(nCurrentBoard, DEVADD_USR, nCurrentBoard, 1, FRMWRT_ALL_NR);
  // }

  sendData(ECC_TEST, sizeof(ECC_TEST));


  //Set comm timeout
  byte message1[] = { 0xD0, 0x00, 0x23, 0x00, 0x21, 0xD4 };
  sendData(message1, sizeof(message1));

  //Set transmit delay
  byte message2[] = { 0xD0, 0x00, 0x22, 0x00, 0x20, 0x44 };
  sendData(message2, sizeof(message2));

  // //Read part ID
  // byte message3[] = { 0x80, 0x00, 0x02, 0x00, 0x00, 0x84, 0x1E };
  // Serial1.write(message3, sizeof(message3));

  // int incomingByte = 0;

  // Serial.println("Setup Done");
  // while (!Serial1.available())
  //   Serial.println(digitalRead(fault));
  // Serial.println("Got FB");

  // if (Serial1.available()) {
  //   incomingByte = Serial1.read();  // read the incoming byte:
  //   Serial.print(" Part ID:");
  //   Serial.println(incomingByte);
  // }

  // GPIO 1 Config as O/P
  // WriteReg(0, GPIO1_CONF, 0x14, 1, FRMWRT_ALL_NR);
  byte GPIO1_CONF[] = { 0x90, 0x00, 0x00, 0x2F, 0x14, 0x01, 0x00, 0xC2, 0x49 };
  sendData(GPIO1_CONF, sizeof(GPIO1_CONF));
}

void loop() {
  // byte message[] = {0xAA, 0xBB, 0x06, 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x03 };

  // Serial.write(message, sizeof(message));
  digitalWrite(wake, LOW);
  delayMicroseconds(250);
  digitalWrite(wake, HIGH);
  // WriteReg(0, GPIO_OUT, 0x01, 1, FRMWRT_ALL_R);
  byte GPIO1_OUT_ON[] = { 0x90, 0x00, 0x01, 0x08, 0x01, 0x01, 0x00, 0xE4, 0xF9 };
  sendData(GPIO1_OUT_ON, sizeof(GPIO1_OUT_ON));
  delay(5000);
  // WriteReg(0, GPIO_OUT, 0x00, 1, FRMWRT_ALL_R);
  byte GPIO1_OUT_OFF[] = { 0x90, 0x00, 0x01, 0x08, 0x00, 0x01, 0x00, 0xB5, 0x39 };
  sendData(GPIO1_OUT_OFF, sizeof(GPIO1_OUT_OFF));
  delay(5000);
}

void sendData(byte *data, size_t length) {
  for (int i = 0; i < length; i++) {
    Serial1.write(data[i]);
  }
  delay(1000);
}

请说明我做错了什么？

1 年多前