cdc_acm.cpp

Go to the documentation of this file.

#if defined(CONFIG_CDC_ACM_DTE_RATE_CALLBACK_SUPPORT)
#include "cdc_acm.h"
#include <zephyr/drivers/uart.h>
#include <zephyr/drivers/uart/cdc_acm.h>
 
#define DEVICE_AND_COMMA(node_id) DEVICE_DT_GET(node_id),
 
namespace esphome::zephyr {
 
CdcAcm::CdcAcm() { global_cdc_acm = this; }
 
void CdcAcm::setup() {
#if DT_HAS_COMPAT_STATUS_OKAY(zephyr_cdc_acm_uart)
  const struct device *cdc_dev[] = {DT_FOREACH_STATUS_OKAY(zephyr_cdc_acm_uart, DEVICE_AND_COMMA)};
  for (auto &idx : cdc_dev) {
    // only one global callback can be registered
    cdc_acm_dte_rate_callback_set(idx, CdcAcm::cdc_dte_rate_callback_);
  }
#endif  // DT_HAS_COMPAT_STATUS_OKAY(zephyr_cdc_acm_uart)
}
 
void CdcAcm::cdc_dte_rate_callback_(const struct device *device, uint32_t rate) {
  global_cdc_acm->defer([device, rate]() { global_cdc_acm->rate_callbacks_.call(device, rate); });
}
 
CdcAcm *global_cdc_acm;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
}  // namespace esphome::zephyr
 
#endif