Add files via upload

finalProject/receiver/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(exer1)
+
+target_sources(app PRIVATE src/main.c)

finalProject/receiver/README.md

@@ -0,0 +1 @@
+# Software-for-Embedded-Systems

finalProject/receiver/app.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+ / {
+	chosen {
+		zephyr,console = &cdc_acm_uart0;
+	};
+};
+
+&zephyr_udc0 {
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+	};
+};

finalProject/receiver/prj.conf

@@ -0,0 +1,21 @@
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_DEVICE_PRODUCT="Zephyr USB console sample"
+CONFIG_USB_DEVICE_PID=0x0004
+CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=n
+
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_LINE_CTRL=y
+
+CONFIG_TEMP_NRF5=y
+CONFIG_SENSOR=y
+
+CONFIG_BT=y
+
+CONFIG_LOG=y
+
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_GATT_CLIENT=y
+CONFIG_BT_CENTRAL=y
+CONFIG_BT_DEVICE_NAME="G12_Reciever"

finalProject/receiver/src/main.c

@@ -0,0 +1,217 @@
+/*
+ * Copyright (c) 2017 Linaro Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/device.h>
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/drivers/sensor.h>
+#include <zephyr/drivers/uart.h>
+#include <zephyr/kernel.h>
+#include <zephyr/sys/printk.h>
+#include <zephyr/usb/usb_device.h>
+#include <zephyr/usb/usbd.h>
+
+#include <zephyr/bluetooth/addr.h>
+#include <zephyr/bluetooth/bluetooth.h>
+#include <zephyr/bluetooth/gap.h>
+#include <zephyr/bluetooth/hci.h>
+
+#define STACKSIZE 1024
+#define LED0_NODE DT_ALIAS(led0)
+#define LED1_NODE DT_ALIAS(led1)
+
+
+
+static const struct gpio_dt_spec led0 = GPIO_DT_SPEC_GET(LED0_NODE, gpios);
+static const struct gpio_dt_spec led1 = GPIO_DT_SPEC_GET(LED1_NODE, gpios);
+struct k_msgq avgTempMessage;
+
+#define NAME_LEN 30
+#define MESSAGE_SIZE 7
+#define GROUP_NUM_STR "11"
+
+static char *lastTMsgNum[3];
+static char *lastHMsgNum[3];
+
+
+void toggleLED(struct gpio_dt_spec *LED, int state)
+{
+  int ret;
+  if (!gpio_is_ready_dt(LED))
+  {
+    return;
+  }
+
+  ret = gpio_pin_configure_dt(LED, GPIO_OUTPUT_ACTIVE);
+  if (ret < 0)
+  {
+    return;
+  }
+
+  ret = gpio_pin_set_dt(LED, state); // Toggle LED off.
+  if (ret < 0)
+  {
+    return;
+  }
+}
+
+static uint8_t processMsg(const char *data, int length)
+{
+
+
+  char msgNumS[3];
+  msgNumS[2] = '\0';
+  strncpy(msgNumS, ((char *)data) + 3, 2);
+
+  char cmdType[2];
+  cmdType[1] = '\0';
+  strncpy(cmdType, ((char *)data), 1);
+
+  char valueS[3];
+  valueS[2] = '\0';
+  strncpy(valueS, ((char *)data) + 5, 2);
+
+  // printk("type %s, num %s, val %s\n", cmdType, msgNumS, valueS);
+
+  if (!strcmp(cmdType, "T"))
+  {
+    if (!strcmp(lastTMsgNum, msgNumS))
+    {
+      // printk("Duplicate message received for T msg %s\n", msgNumS);
+      return;
+    }
+    strncpy(lastTMsgNum, msgNumS, 3);
+    printk("----- Avg temp received: %s\n----- Msg num: %s\n", valueS, msgNumS);
+    if (!strcmp(msgNumS, "20\0"))
+    {
+      toggleLED(&led0, 0);
+    }
+  }
+  else if (!strcmp(cmdType, "H"))
+  {
+    if (!strcmp(lastHMsgNum, msgNumS))
+    {
+      // printk("Duplicate message received for H msg %s\n", msgNumS);
+      return;
+    }
+    strncpy(lastHMsgNum, msgNumS, 3);
+
+    if (!strcmp(valueS, "01"))
+    {
+      printk("----- High temp warning active\n");
+      toggleLED(&led0, 1);
+
+      return;
+    }
+    else if (!strcmp(valueS, "00"))
+    {
+      printk("----- High temp warning inactive\n");
+      toggleLED(&led0, 0);
+      return;
+    }
+    else
+    {
+      printk("Message values incorrect!\n");
+    }
+
+    printk("----- Msg num: %s\n", msgNumS);
+  }
+  else
+  {
+    printk("Message not recognised\n");
+  }
+}
+
+static bool msgCB(struct bt_data *data, void *user_data)
+{
+  char *msg = user_data;
+  uint8_t len;
+
+  switch (data->type)
+  {
+  case BT_DATA_MANUFACTURER_DATA:
+    len = MIN(data->data_len, MESSAGE_SIZE + 1);
+    (void)memcpy(msg, data->data, len);
+    msg[len] = '\0';
+    // printk("Data got: %s \n", msg);
+    return false;
+  default:
+    return true;
+  }
+}
+
+static void scanCB(const bt_addr_le_t *addr, int8_t rssi, uint8_t type,
+                   struct net_buf_simple *data)
+{
+  int err;
+  char addr_str[BT_ADDR_LE_STR_LEN];
+  char msg[MESSAGE_SIZE + 1];
+  char gpNum[3];
+  gpNum[2] = '\0';
+  uint8_t data_status;
+  uint16_t data_len;
+
+  (void)memset(msg, 0, sizeof(msg));
+  bt_data_parse(data, msgCB, msg);
+
+  strncpy(gpNum, ((char *)msg) + 1, 2);
+  bt_addr_le_to_str(addr, addr_str, sizeof(addr_str));
+
+  /* connect only to specific device name*/
+  if (strcmp(gpNum, GROUP_NUM_STR))
+  {
+    return;
+  }
+
+  if (bt_le_scan_stop())
+  {
+    return;
+  }
+
+  // printk("Device found: %s %s (RSSI %d dBw)\n", gpNum, addr_str, rssi);
+  processMsg(msg, sizeof(msg));
+  startscan();
+}
+
+void startscan()
+{
+  int err;
+  struct bt_le_scan_param scan_param = {
+      .type = BT_HCI_LE_SCAN_PASSIVE,
+      .options = BT_LE_SCAN_OPT_NONE,
+      .interval = BT_GAP_SCAN_FAST_INTERVAL,
+      .window = BT_GAP_SCAN_FAST_WINDOW, // on steps of 0.625ms
+  };
+  err = bt_le_scan_start(&scan_param, scanCB);
+
+  if (err)
+  {
+    // printk("Scanning failed to start (err %d)\n", err);
+    return;
+  }
+
+  // printk("Scanning successfully started\n");
+}
+
+int main(void)
+{
+  int err;
+
+  if (usb_enable(NULL))
+  {
+    return 0;
+  }
+
+  err = bt_enable(NULL);
+  if (err)
+  {
+    printk("Bluetooth init failed (err %d)\n", err);
+    return 0;
+  }
+
+  printk("Bluetooth initialized\n");
+
+  startscan();
+}

finalProject/sensor/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(exer1)
+
+target_sources(app PRIVATE src/main.c)

finalProject/sensor/README.md

@@ -0,0 +1 @@
+# Software-for-Embedded-Systems

finalProject/sensor/app.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+ / {
+	chosen {
+		zephyr,console = &cdc_acm_uart0;
+	};
+};
+
+&zephyr_udc0 {
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+	};
+};

finalProject/sensor/prj.conf

@@ -0,0 +1,20 @@
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_DEVICE_PRODUCT="Zephyr USB console sample"
+CONFIG_USB_DEVICE_PID=0x0004
+CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=n
+
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_LINE_CTRL=y
+
+CONFIG_TEMP_NRF5=y
+CONFIG_SENSOR=y
+
+CONFIG_LOG=y
+
+CONFIG_BT=y
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_DEVICE_NAME="G12_Sensor"
+
+CONFIG_PM_DEVICE=y