[feat][examples/pm] add hbn gpio wakeup and hbn rtc wakeup case

examples/pm/hbn_gpio_wakeup/CMakeLists.txt

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+set(TARGET_REQUIRED_LIBS shell)
+set(mains main.c)
+generate_bin()
+

examples/pm/hbn_gpio_wakeup/main.c

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+/**
+ * @file main.c
+ * @brief
+ *
+ * Copyright (c) 2021 Bouffalolab team
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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 "hal_rtc.h"
+#include "hal_pm.h"
+#include "hal_uart.h"
+#include "shell.h"
+
+void shell_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
+{
+    uint8_t data;
+    if (state == UART_EVENT_RX_FIFO) {
+        data = *(uint8_t *)args;
+        shell_handler(data);
+    }
+}
+
+int main(void)
+{
+    bflb_platform_init(0);
+    shell_init();
+    struct device *uart = device_find("debug_log");
+    if (uart) {
+        device_set_callback(uart, shell_irq_callback);
+        device_control(uart, DEVICE_CTRL_SET_INT, (void *)(UART_RX_FIFO_IT));
+    }
+
+    MSG("gpio wake up case,enter hbn1 mode\r\n");
+    bflb_platform_delay_ms(50);
+
+    pm_hbn_mode_enter(PM_HBN_LEVEL_1);
+
+    while (1) {
+        bflb_platform_delay_ms(100);
+    }
+}

examples/pm/hbn_gpio_wakeup/readme.md

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+**board/bl706_lp/pinmux_config.h** 中 **CONFIG_GPIO12_FUNC** 选择 **GPIO_FUN_WAKEUP**
+
+
+```bash
+
+$ make APP=hbn_gpio_wakeup BOARD=bl706_lp
+
+```

examples/pm/hbn_rtc_wakeup/CMakeLists.txt

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+set(TARGET_REQUIRED_LIBS shell)
+set(mains main.c)
+generate_bin()
+

examples/pm/hbn_rtc_wakeup/main.c

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+/**
+ * @file main.c
+ * @brief
+ *
+ * Copyright (c) 2021 Bouffalolab team
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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 "hal_rtc.h"
+#include "hal_pm.h"
+#include "hal_uart.h"
+#include "shell.h"
+
+void shell_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
+{
+    uint8_t data;
+    if (state == UART_EVENT_RX_FIFO) {
+        data = *(uint8_t *)args;
+        shell_handler(data);
+    }
+}
+
+int main(void)
+{
+    bflb_platform_init(0);
+    shell_init();
+    struct device *uart = device_find("debug_log");
+    if (uart) {
+        device_set_callback(uart, shell_irq_callback);
+        device_control(uart, DEVICE_CTRL_SET_INT, (void *)(UART_RX_FIFO_IT));
+    }
+
+    BL_CASE_SUCCESS;
+    while (1) {
+        bflb_platform_delay_ms(100);
+    }
+}
+
+int hbn_enter(int argc, char *argv[])
+{
+    int second = 0;
+
+    if (argc == 2) {
+        second = atoi(argv[1]);
+    } else {
+        second = 1;
+    }
+
+    MSG("rtc wake up case,enter hbn1 mode\r\n");
+    bflb_platform_delay_ms(50);
+
+    rtc_init(second); //sleep time,unit is second
+    pm_hbn_mode_enter(PM_HBN_LEVEL_1);
+
+    return 0;
+}
+
+SHELL_CMD_EXPORT(hbn_enter, hbn1 rtc wakeup test)

examples/pm/hbn_rtc_wakeup/readme.md

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+
+```bash
+
+$ make APP=hbn_rtc_wakeup BOARD=bl706_lp
+
+```