libznordic/src/znordic.c

#include "znordic.h"

#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>

#include "boards.h"
#include "nrf_delay.h"
#include "nrf_drv_clock.h"
#include "nrf_drv_rtc.h"
#include "nrf_drv_timer.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "nrfx_rtc.h"

/*******************************************************************************
 *                                     RTC                                     *
 *******************************************************************************/
static const nrf_drv_rtc_t s_rtcHandle = NRF_DRV_RTC_INSTANCE(2);  // Declaring an instance of nrf_drv_rtc for RTC2.
static void                rtcCallbackFunc(nrf_drv_rtc_int_type_t interruptType);

/*******************************************************************************
 *                                    CODE                                     *
 *******************************************************************************/
void znordic_init() {
  {
    /*******************************************************************************
     *                               日志系统初始??                                *
     *******************************************************************************/
    ret_code_t err_code = NRF_LOG_INIT(NULL);
    APP_ERROR_CHECK(err_code);

    NRF_LOG_DEFAULT_BACKENDS_INIT();
  }

  {
    /*******************************************************************************
     *                                定时器初始化                                 *
     *******************************************************************************/
    ret_code_t err_code = app_timer_init();
    APP_ERROR_CHECK(err_code);
  }

  {
    /*******************************************************************************
     *                               电源管理初始                               *
     *******************************************************************************/
    ret_code_t err_code;
    err_code = nrf_pwr_mgmt_init();
    APP_ERROR_CHECK(err_code);
  }
  {
    /*******************************************************************************
     *                               蓝牙协议栈使                               *
     *******************************************************************************/
    ret_code_t err_code;
    err_code = nrf_sdh_enable_request();
    APP_ERROR_CHECK(err_code);
    uint32_t ram_start = 0;
    err_code           = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
    APP_ERROR_CHECK(err_code);
    // Enable BLE stack.
    err_code = nrf_sdh_ble_enable(&ram_start);
    APP_ERROR_CHECK(err_code);
  }

  {
    ret_code_t errCode;

    nrf_drv_rtc_config_t rtcConfig = NRF_DRV_RTC_DEFAULT_CONFIG;  // Initialize RTC instance
    rtcConfig.prescaler            = 4095;                        // 如实??8HZ的频率，则PRESCALER寄存器应该设??32768/8-1 = 4095

    errCode = nrf_drv_rtc_init(&s_rtcHandle, &rtcConfig, rtcCallbackFunc);
    APP_ERROR_CHECK(errCode);

    nrf_drv_rtc_tick_enable(&s_rtcHandle, true);  // Enable tick event & interrupt
    nrf_drv_rtc_enable(&s_rtcHandle);             // Power on RTC instance
  }
}

void znordic_loop() {
  while (true) {
    app_sched_execute();
    if (NRF_LOG_PROCESS() == false) {
      nrf_pwr_mgmt_run();
    }
  }
}
void znordic_force_flush_log() { NRF_LOG_FLUSH(); }

void znrf_gpio_cfg_output(uint32_t pin_number, nrf_gpio_pin_pull_t pull) {  //
  nrf_gpio_cfg(pin_number, NRF_GPIO_PIN_DIR_OUTPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, pull, NRF_GPIO_PIN_S0S1, NRF_GPIO_PIN_NOSENSE);
}

int16_t znrf_adc_channel_read_val(uint16_t channel) {
  nrf_saadc_value_t value;
  ret_code_t        err_code;
  err_code = nrfx_saadc_sample_convert(channel, &value);
  if (err_code != NRF_SUCCESS) {
    ZLOGE("nrfx_saadc_sample_convert(%d) fail err_code:%d", channel, err_code);
    return 0;
  }
  return value;
}

/*******************************************************************************
 *                                     RTC                                     *
 *******************************************************************************/
#define DEFAULT_TIME (1704038400 + 8 * 60 * 60) //  2024/01/01/00:00:00
volatile uint32_t g_timestamp    = 0;
volatile uint32_t g_power_on_rtc = (DEFAULT_TIME);  
// static uint8_t    s_timeCount1second = 0;

uint32_t znordic_getpower_on_ms() {
  __disable_irq();
  uint32_t ret = g_timestamp * 125;
  __enable_irq();
  return ret;
}
uint32_t znordic_getpower_on_s() {
  __disable_irq();
  uint32_t reg = znordic_getpower_on_ms() / 1000;
  __enable_irq();
  return reg;
}
uint32_t znordic_haspassed_ms(uint32_t last) {
  uint32_t now = znordic_getpower_on_ms();
  if (now < last) {
    return 0xFFFFFFFF - last + now;
  } else {
    return now - last;
  }
}

void znordic_rtc_settime_s(uint32_t timestampNow) {
  if (timestampNow < znordic_getpower_on_s()) {
    return;
  }
  g_power_on_rtc = timestampNow - znordic_getpower_on_s();
}
uint32_t znordic_rtc_gettime_s(void) { return znordic_getpower_on_s() + g_power_on_rtc; }
void     znordic_rtc_settime(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t min, uint8_t sec) {
  static struct tm s_tm;
  memset(&s_tm, 0, sizeof(s_tm));
  s_tm.tm_year  = year - 1900;
  s_tm.tm_mon   = month - 1;
  s_tm.tm_mday  = day;
  s_tm.tm_hour  = hour;
  s_tm.tm_min   = min;
  s_tm.tm_sec   = sec;
  s_tm.tm_isdst = -1;

  uint32_t nowtimestamp = mktime(&s_tm);
  uint32_t tosettime    = nowtimestamp - znordic_getpower_on_s();

  if (tosettime > DEFAULT_TIME) {  //  2024/01/01/00:00:00
    g_power_on_rtc = tosettime;
  }
  return;
}

void znordic_rtc_gettime(ztm_t* now) {
  time_t now_s = (g_timestamp * 125) / 1000 + g_power_on_rtc;
  *now         = *localtime(&now_s);
}

static void rtcCallbackFunc(nrf_drv_rtc_int_type_t interruptType) {
  if (interruptType == NRF_DRV_RTC_INT_TICK)  // 中断类型：滴答中??
  {
    g_timestamp++;
    // if (s_timeCount1second >= 7)  // 125ms * 8 = 1s
    // {
    //   s_timeCount1second = 0;
    //   g_timestamp++;
    // } else {
    //   s_timeCount1second++;
    // }
  }
}

const char* fmt(const char* fmt, ...) {
  static char buf[256];
  va_list     args;
  va_start(args, fmt);
  vsnprintf(buf, 255, fmt, args);
  va_end(args);
  return buf;
}

const char* hex2str(const uint8_t* data, uint16_t len) {
  static char buf[256];
  for (size_t i = 0; i < len; i++) {
    buf[i * 2]     = (data[i] >> 4) + '0';
    buf[i * 2 + 1] = (data[i] & 0x0f) + '0';
  }
  return buf;
}