remove RTC time pull (#31829)

* remove RTC time pull

* and syncing

* bump panda

* bump panda

release/files_common

@@ -82,7 +82,6 @@ selfdrive/boardd/panda.h
 selfdrive/boardd/spi.cc
 selfdrive/boardd/panda_comms.h
 selfdrive/boardd/panda_comms.cc
-selfdrive/boardd/set_time.py
 selfdrive/boardd/pandad.py
 selfdrive/boardd/tests/test_boardd_loopback.py
 

selfdrive/boardd/boardd.cc

@@ -49,12 +49,6 @@ std::atomic<bool> ignition(false);
 
 ExitHandler do_exit;
 
-static std::string get_time_str(const struct tm &time) {
-  char s[30] = {'\0'};
-  std::strftime(s, std::size(s), "%Y-%m-%d %H:%M:%S", &time);
-  return s;
-}
-
 bool check_all_connected(const std::vector<Panda *> &pandas) {
   for (const auto& panda : pandas) {
     if (!panda->connected()) {
@@ -65,36 +59,6 @@ bool check_all_connected(const std::vector<Panda *> &pandas) {
   return true;
 }
 
-enum class SyncTimeDir { TO_PANDA, FROM_PANDA };
-
-void sync_time(Panda *panda, SyncTimeDir dir) {
-  if (!panda->has_rtc) return;
-
-  setenv("TZ", "UTC", 1);
-  struct tm sys_time = util::get_time();
-  struct tm rtc_time = panda->get_rtc();
-
-  if (dir == SyncTimeDir::TO_PANDA) {
-    if (util::time_valid(sys_time)) {
-      // Write time to RTC if it looks reasonable
-      double seconds = difftime(mktime(&rtc_time), mktime(&sys_time));
-      if (std::abs(seconds) > 1.1) {
-        panda->set_rtc(sys_time);
-        LOGW("Updating panda RTC. dt = %.2f System: %s RTC: %s",
-              seconds, get_time_str(sys_time).c_str(), get_time_str(rtc_time).c_str());
-      }
-    }
-  } else if (dir == SyncTimeDir::FROM_PANDA) {
-    LOGW("System time: %s, RTC time: %s", get_time_str(sys_time).c_str(), get_time_str(rtc_time).c_str());
-
-    if (!util::time_valid(sys_time) && util::time_valid(rtc_time)) {
-      const struct timeval tv = {mktime(&rtc_time), 0};
-      settimeofday(&tv, 0);
-      LOGE("System time wrong, setting from RTC.");
-    }
-  }
-}
-
 bool safety_setter_thread(std::vector<Panda *> pandas) {
   LOGD("Starting safety setter thread");
 
@@ -195,7 +159,6 @@ Panda *connect(std::string serial="", uint32_t index=0) {
     throw std::runtime_error("Panda firmware out of date. Run pandad.py to update.");
   }
 
-  sync_time(panda.get(), SyncTimeDir::FROM_PANDA);
   return panda.release();
 }
 
@@ -581,11 +544,6 @@ void peripheral_control_thread(Panda *panda, bool no_fan_control) {
       panda->set_ir_pwr(ir_pwr);
       prev_ir_pwr = ir_pwr;
     }
-
-    // Write to rtc once per minute when no ignition present
-    if (!ignition && (sm.frame % 120 == 1)) {
-      sync_time(panda, SyncTimeDir::TO_PANDA);
-    }
   }
 }
 

selfdrive/boardd/panda.cc

@@ -25,10 +25,6 @@ Panda::Panda(std::string serial, uint32_t bus_offset) : bus_offset(bus_offset) {
   }
 
   hw_type = get_hw_type();
-  has_rtc = (hw_type == cereal::PandaState::PandaType::UNO) ||
-            (hw_type == cereal::PandaState::PandaType::DOS) ||
-            (hw_type == cereal::PandaState::PandaType::TRES);
-
   can_reset_communications();
 
   return;
@@ -77,41 +73,6 @@ cereal::PandaState::PandaType Panda::get_hw_type() {
   return (cereal::PandaState::PandaType)(hw_query[0]);
 }
 
-void Panda::set_rtc(struct tm sys_time) {
-  // tm struct has year defined as years since 1900
-  handle->control_write(0xa1, (uint16_t)(1900 + sys_time.tm_year), 0);
-  handle->control_write(0xa2, (uint16_t)(1 + sys_time.tm_mon), 0);
-  handle->control_write(0xa3, (uint16_t)sys_time.tm_mday, 0);
-  // handle->control_write(0xa4, (uint16_t)(1 + sys_time.tm_wday), 0);
-  handle->control_write(0xa5, (uint16_t)sys_time.tm_hour, 0);
-  handle->control_write(0xa6, (uint16_t)sys_time.tm_min, 0);
-  handle->control_write(0xa7, (uint16_t)sys_time.tm_sec, 0);
-}
-
-struct tm Panda::get_rtc() {
-  struct __attribute__((packed)) timestamp_t {
-    uint16_t year; // Starts at 0
-    uint8_t month;
-    uint8_t day;
-    uint8_t weekday;
-    uint8_t hour;
-    uint8_t minute;
-    uint8_t second;
-  } rtc_time = {0};
-
-  handle->control_read(0xa0, 0, 0, (unsigned char*)&rtc_time, sizeof(rtc_time));
-
-  struct tm new_time = { 0 };
-  new_time.tm_year = rtc_time.year - 1900; // tm struct has year defined as years since 1900
-  new_time.tm_mon  = rtc_time.month - 1;
-  new_time.tm_mday = rtc_time.day;
-  new_time.tm_hour = rtc_time.hour;
-  new_time.tm_min  = rtc_time.minute;
-  new_time.tm_sec  = rtc_time.second;
-
-  return new_time;
-}
-
 void Panda::set_fan_speed(uint16_t fan_speed) {
   handle->control_write(0xb1, fan_speed, 0);
 }

selfdrive/boardd/panda.h

@@ -50,7 +50,6 @@ class Panda {
   Panda(std::string serial="", uint32_t bus_offset=0);
 
   cereal::PandaState::PandaType hw_type = cereal::PandaState::PandaType::UNKNOWN;
-  bool has_rtc = false;
   const uint32_t bus_offset;
 
   bool connected();
@@ -64,8 +63,6 @@ class Panda {
   cereal::PandaState::PandaType get_hw_type();
   void set_safety_model(cereal::CarParams::SafetyModel safety_model, uint16_t safety_param=0U);
   void set_alternative_experience(uint16_t alternative_experience);
-  void set_rtc(struct tm sys_time);
-  struct tm get_rtc();
   void set_fan_speed(uint16_t fan_speed);
   uint16_t get_fan_speed();
   void set_ir_pwr(uint16_t ir_pwr);

selfdrive/boardd/pandad.py

@@ -10,7 +10,6 @@
 from panda import Panda, PandaDFU, PandaProtocolMismatch, FW_PATH
 from openpilot.common.basedir import BASEDIR
 from openpilot.common.params import Params
-from openpilot.selfdrive.boardd.set_time import set_time
 from openpilot.system.hardware import HARDWARE
 from openpilot.common.swaglog import cloudlog
 
@@ -154,10 +153,6 @@ def main() -> NoReturn:
           cloudlog.event("panda.som_reset_triggered", health=health, serial=panda.get_usb_serial())
 
         if first_run:
-          if panda.is_internal():
-            # update time from RTC
-            set_time(cloudlog)
-
           # reset panda to ensure we're in a good state
           cloudlog.info(f"Resetting panda {panda.get_usb_serial()}")
           if panda.is_internal():