Exemplo n.º 1
0
static void iotjs_adc_after_work(uv_work_t* work_req, int status) {
  iotjs_adc_reqwrap_t* req_wrap = iotjs_adc_reqwrap_from_request(work_req);
  iotjs_adc_reqdata_t* req_data = iotjs_adc_reqwrap_data(req_wrap);
  iotjs_jargs_t jargs = iotjs_jargs_create(2);
  bool result = req_data->result;

  if (status) {
    iotjs_jval_t error = iotjs_jval_create_error("System error");
    iotjs_jargs_append_jval(&jargs, &error);
    iotjs_jval_destroy(&error);
  } else {
    switch (req_data->op) {
      case kAdcOpOpen:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to open ADC device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kAdcOpRead:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Cannot read from ADC device");
        } else {
          iotjs_jargs_append_null(&jargs);
          iotjs_jargs_append_number(&jargs, req_data->value);
        }
        break;
      case kAdcOpClose:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Cannot close ADC device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      default: {
        IOTJS_ASSERT(!"Unreachable");
        break;
      }
    }
  }

  const iotjs_jval_t* jcallback = iotjs_adc_reqwrap_jcallback(req_wrap);
  iotjs_make_callback(jcallback, iotjs_jval_get_undefined(), &jargs);

  iotjs_jargs_destroy(&jargs);

  iotjs_adc_reqwrap_dispatched(req_wrap);
}
Exemplo n.º 2
0
static void iotjs_spi_after_work(uv_work_t* work_req, int status) {
  iotjs_spi_reqwrap_t* req_wrap = iotjs_spi_reqwrap_from_request(work_req);
  iotjs_spi_reqdata_t* req_data = iotjs_spi_reqwrap_data(req_wrap);
  iotjs_spi_t* spi = iotjs_spi_instance_from_reqwrap(req_wrap);

  iotjs_jargs_t jargs = iotjs_jargs_create(2);

  bool result = req_data->result;

  if (status) {
    iotjs_jargs_append_error(&jargs, "System error");
  } else {
    switch (req_data->op) {
      case kSpiOpOpen:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to export SPI device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kSpiOpTransferArray:
      case kSpiOpTransferBuffer:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Cannot transfer from SPI device");
        } else {
          iotjs_jargs_append_null(&jargs);

          IOTJS_VALIDATED_STRUCT_METHOD(iotjs_spi_t, spi);

          // Append read data
          iotjs_jval_t result_data =
              iotjs_jval_create_byte_array(_this->buf_len, _this->rx_buf_data);
          iotjs_jargs_append_jval(&jargs, &result_data);
          iotjs_jval_destroy(&result_data);
        }

        if (req_data->op == kSpiOpTransferArray)
          iotjs_spi_release_buffer(spi);

        break;
      case kSpiOpClose:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to unexport SPI device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      default: {
        IOTJS_ASSERT(!"Unreachable");
        break;
      }
    }
  }

  const iotjs_jval_t* jcallback = iotjs_spi_reqwrap_jcallback(req_wrap);
  iotjs_make_callback(jcallback, iotjs_jval_get_undefined(), &jargs);

  iotjs_jargs_destroy(&jargs);

  iotjs_spi_reqwrap_dispatched(req_wrap);
}
Exemplo n.º 3
0
static void iotjs_pwm_after_worker(uv_work_t* work_req, int status) {
  iotjs_pwm_reqwrap_t* req_wrap = iotjs_pwm_reqwrap_from_request(work_req);
  iotjs_pwm_reqdata_t* req_data = iotjs_pwm_reqwrap_data(req_wrap);
  iotjs_jargs_t jargs = iotjs_jargs_create(1);
  bool result = req_data->result;

  if (status) {
    iotjs_jval_t error = iotjs_jval_create_error("System error");
    iotjs_jargs_append_jval(&jargs, &error);
    iotjs_jval_destroy(&error);
  } else {
    switch (req_data->op) {
      case kPwmOpOpen:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to open PWM device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kPwmOpSetDutyCycle:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to set duty-cycle");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kPwmOpSetPeriod:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to set period");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kPwmOpSetEnable:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Failed to set enable");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      case kPwmOpClose:
        if (!result) {
          iotjs_jargs_append_error(&jargs, "Cannot close PWM device");
        } else {
          iotjs_jargs_append_null(&jargs);
        }
        break;
      default: {
        IOTJS_ASSERT(!"Unreachable");
        break;
      }
    }
  }

  const iotjs_jval_t* jcallback = iotjs_pwm_reqwrap_jcallback(req_wrap);
  iotjs_make_callback(jcallback, iotjs_jval_get_undefined(), &jargs);

  iotjs_jargs_destroy(&jargs);

  iotjs_pwm_reqwrap_dispatched(req_wrap);
}
Exemplo n.º 4
0
static void AfterAsync(uv_fs_t* req) {
  iotjs_fs_reqwrap_t* req_wrap = (iotjs_fs_reqwrap_t*)(req->data);
  IOTJS_ASSERT(req_wrap != NULL);
  IOTJS_ASSERT(&req_wrap->req == req);

  const jerry_value_t cb = iotjs_reqwrap_jcallback(&req_wrap->reqwrap);
  IOTJS_ASSERT(jerry_value_is_function(cb));

  iotjs_jargs_t jarg = iotjs_jargs_create(2);
  if (req->result < 0) {
    jerry_value_t jerror = iotjs_create_uv_exception(req->result, "open");
    iotjs_jargs_append_jval(&jarg, jerror);
    jerry_release_value(jerror);
  } else {
    iotjs_jargs_append_null(&jarg);
    switch (req->fs_type) {
      case UV_FS_CLOSE: {
        break;
      }
      case UV_FS_OPEN:
      case UV_FS_READ:
      case UV_FS_WRITE: {
        iotjs_jargs_append_number(&jarg, (double)req->result);
        break;
      }
      case UV_FS_SCANDIR: {
        int r;
        uv_dirent_t ent;
        uint32_t idx = 0;
        jerry_value_t ret = jerry_create_array(0);
        while ((r = uv_fs_scandir_next(req, &ent)) != UV_EOF) {
          jerry_value_t name =
              jerry_create_string((const jerry_char_t*)ent.name);
          iotjs_jval_set_property_by_index(ret, idx, name);
          jerry_release_value(name);
          idx++;
        }
        iotjs_jargs_append_jval(&jarg, ret);
        jerry_release_value(ret);
        break;
      }
      case UV_FS_FSTAT:
      case UV_FS_STAT: {
        uv_stat_t s = (req->statbuf);
        jerry_value_t ret = MakeStatObject(&s);
        iotjs_jargs_append_jval(&jarg, ret);
        jerry_release_value(ret);
        break;
      }
      default: {
        iotjs_jargs_append_null(&jarg);
        break;
      }
    }
  }

  iotjs_make_callback(cb, jerry_create_undefined(), &jarg);

  iotjs_jargs_destroy(&jarg);
  iotjs_fs_reqwrap_destroy(req_wrap);
}