示例#1
0
void esp_sj_uart_dispatcher(void *arg) {
  int uart_no = (int) arg;
  struct esp_sj_uart_state *us = &sj_us[uart_no];
  cs_rbuf_t *txb = esp_uart_tx_buf(uart_no);
  us->dispatch_pending = 0;
  esp_uart_dispatch_rx_top(uart_no);
  uint16_t tx_used_before = txb->used;

  /* ignore unused because of CS_DISABLE_JS below */
  (void) tx_used_before;

  esp_uart_dispatch_tx_top(uart_no);
#ifndef CS_DISABLE_JS
  cs_rbuf_t *rxb = esp_uart_rx_buf(uart_no);

  if (us->v7 != NULL) {
    /* Detect the edge of TX buffer becoming empty. */
    if (tx_used_before > 0 && txb->used == 0) {
      v7_val_t txcb = v7_get(us->v7, us->obj, "_txcb", 5);
      if (v7_is_callable(us->v7, txcb)) {
        sj_invoke_cb(us->v7, txcb, us->obj, V7_UNDEFINED);
      }
    }
    if (rxb->used > 0) {
      /* Check for JS recv handler. */
      v7_val_t rxcb = esp_sj_uart_get_recv_handler(uart_no);
      if (v7_is_callable(us->v7, rxcb)) {
        if (!us->recv_pending) {
          us->recv_pending = 1;
          sj_invoke_cb(us->v7, rxcb, us->obj, V7_UNDEFINED);
          /* Note: Callback has not run yet, it has been scheduled. */
        }
      } else if (us->prompt) {
        uint8_t *cp;
        while (rxb != NULL && cs_rbuf_get(rxb, 1, &cp) == 1) {
          char c = (char) *cp;
          cs_rbuf_consume(rxb, 1);
          sj_prompt_process_char(c);
          /* UART could've been re-initialized by the command from prompt. */
          rxb = esp_uart_rx_buf(uart_no);
        }
      }
    }
  }
#endif
  esp_uart_dispatch_bottom(uart_no);
}
示例#2
0
/*
 * SmartJS initialization, called as an SDK timer callback (`os_timer_...()`).
 */
void sjs_init(void *dummy) {
  /*
   * In order to see debug output (at least errors) during boot we have to
   * initialize debug in this point. But default we put debug to UART0 with
   * level=LL_ERROR, then configuration is loaded this settings are overridden
   */
  {
    struct esp_uart_config *u0cfg = esp_sj_uart_default_config(0);
#if ESP_DEBUG_UART == 0
    u0cfg->baud_rate = ESP_DEBUG_UART_BAUD_RATE;
#endif
    esp_uart_init(u0cfg);
    struct esp_uart_config *u1cfg = esp_sj_uart_default_config(1);
    /* UART1 has no RX pin, no point in allocating a buffer. */
    u1cfg->rx_buf_size = 0;
#if ESP_DEBUG_UART == 1
    u1cfg->baud_rate = ESP_DEBUG_UART_BAUD_RATE;
#endif
    esp_uart_init(u1cfg);
    fs_set_stdout_uart(0);
    fs_set_stderr_uart(ESP_DEBUG_UART);
    setvbuf(stdout, NULL, _IONBF, 0);
    setvbuf(stderr, NULL, _IONBF, 0);
    cs_log_set_level(LL_DEBUG);
    os_install_putc1(dbg_putc);
    system_set_os_print(1);
#ifdef ESP_ENABLE_HEAP_LOG
    uart_initialized = 1;
#endif
  }

  init_v7(&dummy);
  /* disable GC during further initialization */
  v7_set_gc_enabled(v7, 0);

  esp_sj_uart_init(v7);

#ifndef V7_NO_FS
#ifndef DISABLE_OTA
  fs_init(get_fs_addr(get_current_rom()), get_fs_size(get_current_rom()));
  finish_update();
#else
  fs_init(FS_ADDR, FS_SIZE);
#endif
#endif

  sj_common_api_setup(v7);
  sj_common_init(v7);

  sj_init_sys(v7);

  mongoose_init();

  /* NOTE(lsm): must be done after mongoose_init(). */
  if (!init_device(v7)) {
    LOG(LL_ERROR, ("init_device failed"));
    abort();
  }

  esp_print_reset_info();

#ifndef DISABLE_OTA
  init_updater(v7);
#endif
  LOG(LL_INFO, ("Sys init done, SDK %s", system_get_sdk_version()));

  if (!sj_app_init(v7)) {
    LOG(LL_ERROR, ("App init failed"));
    abort();
  }
  LOG(LL_INFO, ("App init done"));

  /* SJS initialized, enable GC back, and trigger it */
  v7_set_gc_enabled(v7, 1);
  v7_gc(v7, 1);

#ifndef V7_NO_FS
  run_init_script();
#endif

  /* Install prompt if enabled in the config and user's app has not installed
   * a custom RX handler. */
  if (get_cfg()->debug.enable_prompt &&
      v7_is_undefined(esp_sj_uart_get_recv_handler(0))) {
    sj_prompt_init(v7);
    esp_sj_uart_set_prompt(0);
  }

#ifdef ESP_UMM_ENABLE
  /*
   * We want to use our own heap functions instead of the ones provided by the
   * SDK.
   *
   * We have marked `pvPortMalloc` and friends weak, so that we can override
   * them with our own implementations, but to actually make it work, we have
   * to reference any function from the file with our implementation, so that
   * linker will not garbage-collect the whole compilation unit.
   *
   * So, we have a call to the no-op `esp_umm_init()` here.
   */
  esp_umm_init();
#endif
}