1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define BTSTACK_FILE__ "sx1280_ble_demo.c" 39 40 // ***************************************************************************** 41 /* EXAMPLE_START(sx1280_ble_demo): LE Peripheral - Control LED over GATT */ 42 // ***************************************************************************** 43 44 #include <stdint.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 #include "btstack.h" 50 #include "gatt_rgb.h" 51 52 #include "hal_data.h" 53 54 #define HEARTBEAT_PERIOD_MS 2000 55 #define HEARTBEAT_BLINK_MS 200 56 57 static btstack_timer_source_t heartbeat; 58 59 static void heartbeat_handler_led_on(struct btstack_timer_source *ts); 60 static void heartbeat_handler_led_off(struct btstack_timer_source *ts); 61 62 const uint8_t adv_data[] = { 63 // Flags general discoverable, BR/EDR not supported 64 0x02, 0x01, 0x06, 65 // Service 16-bit: FFF0 66 0x03, 0x02, 0xF0, 0xFF, 67 // Manufacturer specific data (aa bb - address 78:A5:04:82:1B:A4) 68 0x09, 0xFF, 0x04, 0x1E, 0x78, 0xA5, 0x04, 0x82, 0x1A, 0xAA, 69 // Name 70 0x08, 0x09, 'D', 'E', 'L', 'I', 'G', 'H', 'T', 71 }; 72 const uint8_t adv_data_len = sizeof(adv_data); 73 74 static void heartbeat_handler_led_off(struct btstack_timer_source *ts){ 75 heartbeat.process = &heartbeat_handler_led_on; 76 btstack_run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS - HEARTBEAT_BLINK_MS); 77 btstack_run_loop_add_timer(ts); 78 } 79 80 static void heartbeat_handler_led_on(struct btstack_timer_source *ts){ 81 printf("BLINK\n"); 82 heartbeat.process = &heartbeat_handler_led_off; 83 btstack_run_loop_set_timer(ts, HEARTBEAT_BLINK_MS); 84 btstack_run_loop_add_timer(ts); 85 } 86 87 static void set_rgb(uint8_t r, uint8_t g, uint8_t b){ 88 printf("R: %u, G: %u, B: %u\n", r, g, b); 89 // test LEDs 90 R_IOPORT_PinWrite(&g_ioport_ctrl, LED3, r > 128 ? BSP_IO_LEVEL_HIGH : BSP_IO_LEVEL_LOW); 91 R_IOPORT_PinWrite(&g_ioport_ctrl, LED2, g > 128 ? BSP_IO_LEVEL_HIGH : BSP_IO_LEVEL_LOW); 92 R_IOPORT_PinWrite(&g_ioport_ctrl, LED1, b > 128 ? BSP_IO_LEVEL_HIGH : BSP_IO_LEVEL_LOW); 93 } 94 95 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 96 UNUSED(channel); 97 UNUSED(size); 98 99 switch (packet_type) { 100 case HCI_EVENT_PACKET: 101 switch (hci_event_packet_get_type(packet)) { 102 case HCI_EVENT_LE_META: 103 switch (hci_event_le_meta_get_subevent_code(packet)){ 104 case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: 105 printf("Connected\n"); 106 btstack_run_loop_remove_timer(&heartbeat); 107 break; 108 default: 109 break; 110 } 111 break; 112 case HCI_EVENT_DISCONNECTION_COMPLETE: 113 printf("Disconnected\n"); 114 // restart heartbeat 115 set_rgb(0,0,0); 116 heartbeat_handler_led_on(&heartbeat); 117 break; 118 } 119 break; 120 } 121 } 122 123 static uint16_t att_read_callback(hci_con_handle_t connection_handle, uint16_t att_handle, uint16_t offset, uint8_t * buffer, uint16_t buffer_size){ 124 UNUSED(connection_handle); 125 UNUSED(att_handle); 126 UNUSED(offset); 127 UNUSED(buffer); 128 UNUSED(buffer_size); 129 return 0; 130 } 131 132 static int att_write_callback(hci_con_handle_t connection_handle, uint16_t att_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size){ 133 UNUSED(connection_handle); 134 UNUSED(transaction_mode); 135 UNUSED(offset); 136 UNUSED(buffer_size); 137 138 if (att_handle == ATT_CHARACTERISTIC_FFF3_01_VALUE_HANDLE) { 139 set_rgb(buffer[4], buffer[5], buffer[6]); 140 } 141 return 0; 142 } 143 144 int btstack_main(void); 145 int btstack_main(void) 146 { 147 l2cap_init(); 148 149 // setup le device db 150 le_device_db_init(); 151 152 // setup SM: Display only 153 sm_init(); 154 155 // setup ATT server 156 att_server_init(profile_data, att_read_callback, att_write_callback); 157 158 // setup advertisements 159 uint16_t adv_int_min = 0x0030; 160 uint16_t adv_int_max = 0x0030; 161 uint8_t adv_type = 0; 162 bd_addr_t null_addr; 163 memset(null_addr, 0, 6); 164 gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00); 165 gap_advertisements_set_data(adv_data_len, (uint8_t*) adv_data); 166 gap_advertisements_enable(1); 167 168 // register for ATT event 169 att_server_register_packet_handler(packet_handler); 170 171 // set one-shot timer 172 heartbeat.process = &heartbeat_handler_led_on; 173 btstack_run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS); 174 btstack_run_loop_add_timer(&heartbeat); 175 176 // turn off leds 177 set_rgb(0,0,0); 178 179 // turn on! 180 hci_power_control(HCI_POWER_ON); 181 182 return 0; 183 } 184 /* EXAMPLE_END */ 185