p_graphite_digester_sdk/components/dwin/dwin_screen.cpp

#include "dwin_screen.hpp"

#include <string.h>
using namespace iflytop;

#define TAG "dwin"

void DwinScreen::init(UART_HandleTypeDef* huart, int __) {
  m_huart = huart;
  ZUART::cfg_t cfg;
  cfg.huart         = m_huart;
  cfg.name          = "DwinScreenUart";
  cfg.rxbuffersize  = RX_CACHE_SIZE;
  cfg.rxovertime_ms = 2;
  m_uarthandler.initialize(&cfg);

  m_uarthandler.startRxIt();

  m_uarthandler.setrxcb([this](uint8_t* data, size_t len) {
    if (txcontext.receipt_ready_flag) {
      return;
    }
    memcpy(txcontext.receiptcache, data, len);
    txcontext.receiptlen         = len;
    txcontext.receipt_ready_flag = true;
  });
}

void DwinScreen::clearrxcache() {
  CriticalContext cc;
  txcontext.receipt_ready_flag = false;
  txcontext.receiptlen         = 0;
}
void DwinScreen::sendcmd(uint8_t* cmd, size_t len) {
  // printf("sendcmd:");
  // for (size_t i = 0; i < len; i++) {
  //   ZLOGE(TAG,"%02X ", cmd[i]);
  // }
  // printf("\n");
  m_uarthandler.tx(cmd, len);
  // m_com.send((char*)cmd, len);
}

bool DwinScreen::sendcmdblock(int overtime) {
  clearrxcache();
  sendcmd(txcontext.txcache, txcontext.txlen);
  for (int i = 0; i < overtime; i++) {
    if (txcontext.receipt_ready_flag) {
      return true;
    } else {
      m_uarthandler.forceCchedule();
      chip_delay_ms(1);
    }
  }
  return false;
}

bool DwinScreen::write_varspace(uint16_t regaddr, uint8_t* data, uint8_t len, int overtime) {
  /**
   * @brief
   *
   *  2byte   1byte    cmd          add     val
   *  5AA5   datalen   0x82          2      xbyte
   *
   */
  txcontext.txcache[0] = 0x5A;
  txcontext.txcache[1] = 0xA5;
  txcontext.txcache[2] = 0;  // data len
  txcontext.txcache[3] = 0x82;
  txcontext.txcache[4] = regaddr >> 8;
  txcontext.txcache[5] = regaddr & 0xFF;

  memcpy(&txcontext.txcache[6], data, len);
  txcontext.txcache[2] = len + 1 + 2;  //

  txcontext.txlen = 6 + len;

  if (!sendcmdblock(overtime)) {
    ZLOGE(TAG, "write_varspace failed");
    return false;
  }
  return true;
}
bool DwinScreen::read_varspace(uint16_t regaddr, uint8_t* data, uint8_t len, int overtime) {
  /**
   * @brief
   *
   *  2byte   1byte    cmd          add     val
   *  5AA5   datalen   0x82          2      xbyte
   *
   */
  txcontext.txcache[0] = 0x5A;
  txcontext.txcache[1] = 0xA5;
  txcontext.txcache[2] = 0;  // data len
  txcontext.txcache[3] = 0x83;
  txcontext.txcache[4] = regaddr >> 8;
  txcontext.txcache[5] = regaddr & 0xFF;
  txcontext.txcache[6] = len / 2;  // word len

  txcontext.txcache[2] = 4;  //
  txcontext.txlen      = 7;

  if (!sendcmdblock(overtime)) {
    ZLOGE(TAG, "read_varspace failed");
    return false;
  }
  memcpy(data, &txcontext.receiptcache[7], len);
  return true;
}

bool DwinScreen::write_reg16(uint16_t regaddr, uint16_t data, int overtime) {  //
  uint8_t data8[2];
  data8[0] = data >> 8;
  data8[1] = data & 0xFF;

  return write_reg(regaddr, data8, 2, overtime);
}

bool DwinScreen::read_reg16(uint16_t regaddr, uint16_t& data, int overtime) {
  uint8_t data8[2];
  bool    suc = read_reg(regaddr, data8, 2, overtime);
  if (!suc) return false;

  data = data8[0] << 8 | data8[1];
  return true;
}

bool DwinScreen::write_varspace16(uint16_t regaddr, uint16_t data, int overtime) {  //
  uint8_t data8[2];
  data8[0] = data >> 8;
  data8[1] = data & 0xFF;

  return write_varspace(regaddr, data8, 2, overtime);
}

bool DwinScreen::write_varspace16_muti(uint16_t regaddr, uint16_t* data, size_t n16, int overtime) {
  for (size_t i = 0; i < n16; i++) {
    m_tx_pre_processcache[i * 2]     = data[i] >> 8;
    m_tx_pre_processcache[i * 2 + 1] = data[i] & 0xFF;
  }
  return write_varspace(regaddr, m_tx_pre_processcache, n16 * 2, overtime);
}

bool DwinScreen::read_varspace16_muti(uint16_t regaddr, uint16_t* data, size_t n16, int overtime) {
  // TODO: CHECK BUFSIZE
  memset(m_rd_pre_processcache, 0, sizeof(m_rd_pre_processcache));
  bool suc = read_varspace(regaddr, m_rd_pre_processcache, n16 * 2, overtime);
  if (!suc) return false;

  for (size_t i = 0; i < n16; i++) {
    data[i] = m_rd_pre_processcache[i * 2] << 8 | m_rd_pre_processcache[i * 2 + 1];
  }
  return true;
}

bool DwinScreen::read_varspace16(uint16_t regaddr, uint16_t& data, int overtime) {
  uint8_t data8[2];
  bool    suc = read_varspace(regaddr, data8, 2, overtime);
  if (!suc) return false;

  data = data8[0] << 8 | data8[1];
  return true;
}

bool DwinScreen::write_varspace8(uint16_t regaddr, uint16_t subadd, uint16_t data, int overtime) {
  uint16_t val = 0;
  bool     suc = read_varspace16(regaddr, val, overtime);
  if (!suc) return false;

  if (subadd == 0) {
    // H
    val = val & 0x00FF;
    val = val | ((data << 8) & 0xff00);
  } else {
    // L
    val = val & 0xFF00;
    val = val | (data & 0xff);
  }

  suc = write_varspace16(regaddr, val, overtime);
  if (!suc) return false;
  return true;
}
bool DwinScreen::read_varspace8(uint16_t regaddr, uint16_t subadd, uint16_t& data, int overtime) {
  uint16_t val = 0;
  bool     suc = read_varspace16(regaddr, val, overtime);
  if (!suc) return false;

  if (subadd == 0) {
    // H
    data = val >> 8;
  } else {
    // L
    data = val & 0xff;
  }
  return true;
}

bool DwinScreen::write_reg(uint16_t regaddr, uint8_t* data, size_t len, int overtime) {
  /**
   * @brief
   *
   *  2byte   1byte    cmd          add     val
   *  5AA5   datalen   0x82          2      xbyte
   *
   */
  txcontext.txcache[0] = 0x5A;
  txcontext.txcache[1] = 0xA5;
  txcontext.txcache[2] = 0;  // data len
  txcontext.txcache[3] = 0x80;
  txcontext.txcache[4] = regaddr >> 8;
  txcontext.txcache[5] = regaddr & 0xFF;

  memcpy(&txcontext.txcache[6], data, len);
  txcontext.txcache[2] = len + 1 + 2;  //

  txcontext.txlen = 6 + len;

  if (!sendcmdblock(overtime)) {
    ZLOGE(TAG, "write_reg failed");
    return false;
  }
  return true;
}
bool DwinScreen::read_reg(uint16_t regaddr, uint8_t* data, size_t len, int overtime) {
  /**
   * @brief
   *
   *  2byte   1byte    cmd          add     val
   *  5AA5   datalen   0x82          2      xbyte
   *
   */
  txcontext.txcache[0] = 0x5A;
  txcontext.txcache[1] = 0xA5;
  txcontext.txcache[2] = 0;  // data len
  txcontext.txcache[3] = 0x81;
  txcontext.txcache[4] = regaddr >> 8;
  txcontext.txcache[5] = regaddr & 0xFF;
  txcontext.txcache[6] = len / 2;  // word len

  txcontext.txcache[2] = 4;  //
  txcontext.txlen      = 7;

  if (!sendcmdblock(overtime)) {
    ZLOGE(TAG, "read_varspace failed");
    return false;
  }
  memcpy(data, &txcontext.receiptcache[7], len);
  return true;
}

bool DwinScreen::set_page(uint16_t pageid) {
  uint16_t data[2] = {0x5A01, pageid};
  return write_varspace16_muti(0x84, data, 2, 10);
}
uint16_t DwinScreen::get_page() {
  uint16_t page = 0;
  read_varspace16(0x14, page, 100);
  return page;
}
bool DwinScreen::ping() {
  uint16_t page = 0;
  bool     suc  = read_varspace16(0x14, page, 100);
  return suc;
}

bool DwinScreen::set_brightness(uint16_t brightness) {
  // 5A A5 04 82 0082 0A
  uint8_t data[3] = {0, 0x82, (uint8_t)brightness};
  return write_varspace(0x82, data, 3, 10);
}
bool DwinScreen::set_rtc(uint16_t year, uint16_t month, uint16_t day, uint16_t hour, uint16_t minute, uint16_t second) {
  year = year - 2000;

  uint16_t year_month = year << 8 | month;
  uint16_t day_hour   = day << 8 | hour;
  uint16_t min_second = minute << 8 | second;
  uint16_t data[4]    = {0x5AA5, year_month, day_hour, min_second};
  return write_varspace16_muti(0x9C, data, 4, 10);
}

bool DwinScreen::get_rtc(Date* date) {
  uint16_t data[4] = {0};
  bool     suc     = read_varspace16_muti(0x10, data, 4, 10);
  // printf("data[0]:%04X data[1]:%04X data[2]:%04X data[3]:%04X\n", data[0], data[1], data[2], data[3]);
  date->year       = (data[0] >> 8) + 2000;
  date->month      = data[0] & 0xFF;
  date->day        = data[1] >> 8;
  date->weekdaynum = data[1] & 0xFF;
  date->hour       = data[2] >> 8;
  date->minute     = data[2] & 0xFF;
  date->second     = data[3] >> 8;
  // printf("year:%d month:%d day:%d weekdaynum:%d hour:%d minute:%d second:%d\n",  //
  //        date->year, date->month, date->day, date->weekdaynum, date->hour, date->minute, date->second);
  return suc;
}