hal.cpp

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#ifdef USE_RP2
 
#include "core.h"
#include "esphome/core/defines.h"
#include "esphome/core/hal.h"
#ifdef USE_RP2_CRASH_HANDLER
#include "crash_handler.h"
#endif
 
#include "hardware/clocks.h"
#include "hardware/watchdog.h"
 
// Empty rp2 namespace block to satisfy ci-custom's lint_namespace check.
// HAL functions live in namespace esphome (root) — they are not part of the
// rp2 component's API.
namespace esphome::rp2 {}  // namespace esphome::rp2
 
namespace esphome {
 
// yield(), delay(), micros(), millis(), millis_64(), delayMicroseconds(),
// arch_feed_wdt(), arch_get_cpu_cycle_count() inlined in components/rp2/hal.h.
void arch_restart() {
  watchdog_reboot(0, 0, 10);
  while (true) {
  }
}
 
void arch_init() {
#ifdef USE_RP2_CRASH_HANDLER
  rp2::crash_handler_read_and_clear();
#endif
#if USE_RP2_WATCHDOG_TIMEOUT > 0
  watchdog_enable(USE_RP2_WATCHDOG_TIMEOUT, false);
#endif
}
 
// clock_get_hz(clk_sys) is the SDK query for the current system clock frequency in Hz.
uint32_t arch_get_cpu_freq_hz() { return clock_get_hz(clk_sys); }
 
}  // namespace esphome
 
#endif  // USE_RP2