upload android base code part4

android/hardware/libhardware/modules/nfc-nci/nfc_nci_example.cpp

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <errno.h>
+#include <malloc.h>
+#include <string.h>
+
+#include <log/log.h>
+
+#include <hardware/hardware.h>
+#include <hardware/nfc.h>
+
+/*
+ * NCI HAL method implementations. These must be overriden
+ */
+static int hal_open(const struct nfc_nci_device* /*dev*/,
+                    nfc_stack_callback_t* /*p_cback*/,
+                    nfc_stack_data_callback_t* /*p_data_cback*/) {
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+static int hal_write(const struct nfc_nci_device* /*dev*/,
+                     uint16_t /*data_len*/, const uint8_t* /*p_data*/) {
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+static int hal_core_initialized(const struct nfc_nci_device* /*dev*/,
+                                uint8_t* /*p_core_init_rsp_params*/) {
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+static int hal_pre_discover(const struct nfc_nci_device* /*dev*/) {
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+static int hal_close(const struct nfc_nci_device* /*dev*/) {
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+static int hal_control_granted (const struct nfc_nci_device* /*p_dev*/)
+{
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+
+static int hal_power_cycle (const struct nfc_nci_device* /*p_dev*/)
+{
+    ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
+    return 0;
+}
+
+/*
+ * Generic device handling below - can generally be left unchanged.
+ */
+/* Close an opened nfc device instance */
+static int nfc_close(hw_device_t *dev) {
+    free(dev);
+    return 0;
+}
+
+static int nfc_open(const hw_module_t* module, const char* name,
+                    hw_device_t** device) {
+    if (strcmp(name, NFC_NCI_CONTROLLER) == 0) {
+        nfc_nci_device_t *dev = static_cast<nfc_nci_device_t*>(
+                calloc(1, sizeof(nfc_nci_device_t)));
+
+        dev->common.tag = HARDWARE_DEVICE_TAG;
+        dev->common.version = 0x00010000; // [31:16] major, [15:0] minor
+        dev->common.module = (struct hw_module_t*) module;
+        dev->common.close = nfc_close;
+
+        // NCI HAL method pointers
+        dev->open = hal_open;
+        dev->write = hal_write;
+        dev->core_initialized = hal_core_initialized;
+        dev->pre_discover = hal_pre_discover;
+        dev->close = hal_close;
+        dev->control_granted = hal_control_granted;
+        dev->power_cycle = hal_power_cycle;
+
+        *device = (hw_device_t*) dev;
+
+        return 0;
+    } else {
+        return -EINVAL;
+    }
+}
+
+
+static struct hw_module_methods_t nfc_module_methods = {
+    .open = nfc_open,
+};
+
+struct nfc_nci_module_t HAL_MODULE_INFO_SYM = {
+    .common = {
+        .tag = HARDWARE_MODULE_TAG,
+        .module_api_version = 0x0100, // [15:8] major, [7:0] minor (1.0)
+        .hal_api_version = 0x00, // 0 is only valid value
+        .id = NFC_NCI_HARDWARE_MODULE_ID,
+        .name = "Default NFC NCI HW HAL",
+        .author = "The Android Open Source Project",
+        .methods = &nfc_module_methods,
+    },
+};