|
|
@@ -0,0 +1,204 @@
|
|
|
+#include <stdio.h>
|
|
|
+#include "freertos/FreeRTOS.h"
|
|
|
+#include "freertos/task.h"
|
|
|
+#include "bt.h"
|
|
|
+#include <string.h>
|
|
|
+
|
|
|
+#define HCI_H4_CMD_PREAMBLE_SIZE (4)
|
|
|
+
|
|
|
+/* HCI Command opcode group field(OGF) */
|
|
|
+#define HCI_GRP_HOST_CONT_BASEBAND_CMDS (0x03 << 10) /* 0x0C00 */
|
|
|
+#define HCI_GRP_BLE_CMDS (0x08 << 10)
|
|
|
+
|
|
|
+#define HCI_RESET (0x0003 | HCI_GRP_HOST_CONT_BASEBAND_CMDS)
|
|
|
+#define HCI_BLE_WRITE_ADV_ENABLE (0x000A | HCI_GRP_BLE_CMDS)
|
|
|
+#define HCI_BLE_WRITE_ADV_PARAMS (0x0006 | HCI_GRP_BLE_CMDS)
|
|
|
+#define HCI_BLE_WRITE_ADV_DATA (0x0008 | HCI_GRP_BLE_CMDS)
|
|
|
+
|
|
|
+#define HCIC_PARAM_SIZE_WRITE_ADV_ENABLE (1)
|
|
|
+#define HCIC_PARAM_SIZE_BLE_WRITE_ADV_PARAMS (15)
|
|
|
+#define HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA (31)
|
|
|
+
|
|
|
+#define BD_ADDR_LEN (6) /* Device address length */
|
|
|
+typedef uint8_t bd_addr_t[BD_ADDR_LEN]; /* Device address */
|
|
|
+
|
|
|
+#define UINT16_TO_STREAM(p, u16) {*(p)++ = (uint8_t)(u16); *(p)++ = (uint8_t)((u16) >> 8);}
|
|
|
+#define UINT8_TO_STREAM(p, u8) {*(p)++ = (uint8_t)(u8);}
|
|
|
+#define BDADDR_TO_STREAM(p, a) {int ijk; for (ijk = 0; ijk < BD_ADDR_LEN; ijk++) *(p)++ = (uint8_t) a[BD_ADDR_LEN - 1 - ijk];}
|
|
|
+#define ARRAY_TO_STREAM(p, a, len) {int ijk; for (ijk = 0; ijk < len; ijk++) *(p)++ = (uint8_t) a[ijk];}
|
|
|
+
|
|
|
+enum {
|
|
|
+ H4_TYPE_COMMAND = 1,
|
|
|
+ H4_TYPE_ACL = 2,
|
|
|
+ H4_TYPE_SCO = 3,
|
|
|
+ H4_TYPE_EVENT = 4
|
|
|
+};
|
|
|
+
|
|
|
+static uint8_t hci_cmd_buf[128];
|
|
|
+
|
|
|
+/*
|
|
|
+ * @brief: BT controller callback function, used to notify the upper layer that
|
|
|
+ * controller is ready to receive command
|
|
|
+ */
|
|
|
+static void controller_rcv_pkt_ready(void)
|
|
|
+{
|
|
|
+ printf("controller rcv pkt ready\n");
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * @brief: BT controller callback function, to transfer data packet to upper
|
|
|
+ * controller is ready to receive command
|
|
|
+ */
|
|
|
+static int host_rcv_pkt(uint8_t *data, uint16_t len)
|
|
|
+{
|
|
|
+ printf("host rcv pkt: ");
|
|
|
+ for (uint16_t i=0; i<len; i++)
|
|
|
+ printf("%02x", data[i]);
|
|
|
+ printf("\n");
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static vhci_host_callback_t vhci_host_cb = {
|
|
|
+ controller_rcv_pkt_ready,
|
|
|
+ host_rcv_pkt
|
|
|
+};
|
|
|
+
|
|
|
+static uint16_t make_cmd_reset(uint8_t *buf)
|
|
|
+{
|
|
|
+ UINT8_TO_STREAM (buf, H4_TYPE_COMMAND);
|
|
|
+ UINT16_TO_STREAM (buf, HCI_RESET);
|
|
|
+ UINT8_TO_STREAM (buf, 0);
|
|
|
+ return HCI_H4_CMD_PREAMBLE_SIZE;
|
|
|
+}
|
|
|
+
|
|
|
+static uint16_t make_cmd_ble_set_adv_enable (uint8_t *buf, uint8_t adv_enable)
|
|
|
+{
|
|
|
+ UINT8_TO_STREAM (buf, H4_TYPE_COMMAND);
|
|
|
+ UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_ENABLE);
|
|
|
+ UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_WRITE_ADV_ENABLE);
|
|
|
+ UINT8_TO_STREAM (buf, adv_enable);
|
|
|
+ return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_WRITE_ADV_ENABLE;
|
|
|
+}
|
|
|
+
|
|
|
+static uint16_t make_cmd_ble_set_adv_param (uint8_t *buf, uint16_t adv_int_min, uint16_t adv_int_max,
|
|
|
+ uint8_t adv_type, uint8_t addr_type_own,
|
|
|
+ uint8_t addr_type_dir, bd_addr_t direct_bda,
|
|
|
+ uint8_t channel_map, uint8_t adv_filter_policy)
|
|
|
+{
|
|
|
+ UINT8_TO_STREAM (buf, H4_TYPE_COMMAND);
|
|
|
+ UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_PARAMS);
|
|
|
+ UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_ADV_PARAMS );
|
|
|
+
|
|
|
+ UINT16_TO_STREAM (buf, adv_int_min);
|
|
|
+ UINT16_TO_STREAM (buf, adv_int_max);
|
|
|
+ UINT8_TO_STREAM (buf, adv_type);
|
|
|
+ UINT8_TO_STREAM (buf, addr_type_own);
|
|
|
+ UINT8_TO_STREAM (buf, addr_type_dir);
|
|
|
+ BDADDR_TO_STREAM (buf, direct_bda);
|
|
|
+ UINT8_TO_STREAM (buf, channel_map);
|
|
|
+ UINT8_TO_STREAM (buf, adv_filter_policy);
|
|
|
+ return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_ADV_PARAMS;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static uint16_t make_cmd_ble_set_adv_data(uint8_t *buf, uint8_t data_len, uint8_t *p_data)
|
|
|
+{
|
|
|
+ UINT8_TO_STREAM (buf, H4_TYPE_COMMAND);
|
|
|
+ UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_DATA);
|
|
|
+ UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA + 1);
|
|
|
+
|
|
|
+ memset(buf, 0, HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA);
|
|
|
+
|
|
|
+ if (p_data != NULL && data_len > 0) {
|
|
|
+ if (data_len > HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA) {
|
|
|
+ data_len = HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA;
|
|
|
+ }
|
|
|
+
|
|
|
+ UINT8_TO_STREAM (buf, data_len);
|
|
|
+
|
|
|
+ ARRAY_TO_STREAM (buf, p_data, data_len);
|
|
|
+ }
|
|
|
+ return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA + 1;
|
|
|
+}
|
|
|
+
|
|
|
+static void hci_cmd_send_reset(void)
|
|
|
+{
|
|
|
+ uint16_t sz = make_cmd_reset (hci_cmd_buf);
|
|
|
+ API_vhci_host_send_packet(hci_cmd_buf, sz);
|
|
|
+}
|
|
|
+
|
|
|
+static void hci_cmd_send_ble_adv_start(void)
|
|
|
+{
|
|
|
+ uint16_t sz = make_cmd_ble_set_adv_enable (hci_cmd_buf, 1);
|
|
|
+ API_vhci_host_send_packet(hci_cmd_buf, sz);
|
|
|
+}
|
|
|
+
|
|
|
+static void hci_cmd_send_ble_set_adv_param(void)
|
|
|
+{
|
|
|
+ uint16_t adv_intv_min = 256; // 160ms
|
|
|
+ uint16_t adv_intv_max = 256; // 160ms
|
|
|
+ uint8_t adv_type = 0; // connectable undirected advertising (ADV_IND)
|
|
|
+ uint8_t own_addr_type = 0; // Public Device Address
|
|
|
+ uint8_t peer_addr_type = 0; // Public Device Address
|
|
|
+ uint8_t peer_addr[6] = {0x80, 0x81, 0x82, 0x83, 0x84, 0x85};
|
|
|
+ uint8_t adv_chn_map = 0x07; // 37, 38, 39
|
|
|
+ uint8_t adv_filter_policy = 0; // Process All Conn and Scan
|
|
|
+
|
|
|
+ uint16_t sz = make_cmd_ble_set_adv_param(hci_cmd_buf,
|
|
|
+ adv_intv_min,
|
|
|
+ adv_intv_max,
|
|
|
+ adv_type,
|
|
|
+ own_addr_type,
|
|
|
+ peer_addr_type,
|
|
|
+ peer_addr,
|
|
|
+ adv_chn_map,
|
|
|
+ adv_filter_policy);
|
|
|
+ API_vhci_host_send_packet(hci_cmd_buf, sz);
|
|
|
+}
|
|
|
+
|
|
|
+static void hci_cmd_send_ble_set_adv_data(void)
|
|
|
+{
|
|
|
+ char *adv_name = "ESP-BLE-HELLO";
|
|
|
+ uint8_t name_len = (uint8_t)strlen(adv_name);
|
|
|
+ uint8_t adv_data[31] = {0x02, 0x01, 0x06, 0x0, 0x09};
|
|
|
+ uint8_t adv_data_len;
|
|
|
+
|
|
|
+ adv_data[3] = name_len + 1;
|
|
|
+ for (int i=0; i<name_len; i++) {
|
|
|
+ adv_data[5+i] = (uint8_t)adv_name[i];
|
|
|
+ }
|
|
|
+ adv_data_len = 5 + name_len;
|
|
|
+
|
|
|
+ uint16_t sz = make_cmd_ble_set_adv_data(hci_cmd_buf, adv_data_len, (uint8_t *)adv_data);
|
|
|
+ API_vhci_host_send_packet(hci_cmd_buf, sz);
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * @brief: send HCI commands to perform BLE advertising;
|
|
|
+ */
|
|
|
+void bleAdvtTask(void *pvParameters)
|
|
|
+{
|
|
|
+ int cmd_cnt = 0;
|
|
|
+ bool send_avail = false;
|
|
|
+ API_vhci_host_register_callback(&vhci_host_cb);
|
|
|
+ printf("BLE advt task start\n");
|
|
|
+ while (1) {
|
|
|
+ vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
|
+ send_avail = API_vhci_host_check_send_available();
|
|
|
+ if (send_avail) {
|
|
|
+ switch (cmd_cnt) {
|
|
|
+ case 0: hci_cmd_send_reset(); ++cmd_cnt; break;
|
|
|
+ case 1: hci_cmd_send_ble_set_adv_param(); ++cmd_cnt; break;
|
|
|
+ case 2: hci_cmd_send_ble_set_adv_data(); ++cmd_cnt; break;
|
|
|
+ case 3: hci_cmd_send_ble_adv_start(); ++cmd_cnt; break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ printf("BLE Advertise, flag_send_avail: %d, cmd_sent: %d\n", send_avail, cmd_cnt);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void bt_app_main()
|
|
|
+{
|
|
|
+ xTaskCreatePinnedToCore(&bleAdvtTask, "bleAdvtTask", 2048, NULL, 5, NULL, 0);
|
|
|
+}
|
|
|
+
|
Wu Jian Gang