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btstack/port/stm32-l451-miromico-sx1280/example/gatt_rgb.c
Milanka Ringwald 2fca4dad95 license: update text
2021-11-02 09:31:00 +01:00

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/*
* Copyright (C) 2014 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
* GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define BTSTACK_FILE__ "sx1280_ble_demo.c"
// *****************************************************************************
/* EXAMPLE_START(sx1280_ble_demo): LE Peripheral - Control LED over GATT */
// *****************************************************************************
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stm32l4xx_hal.h"
#include "btstack.h"
#include "gatt_rgb.h"
#define LED_SMALL_PORT GPIOB
#define LED_SMALL_PIN GPIO_PIN_8
#define LED_R_PORT GPIOH
#define LED_R_PIN GPIO_PIN_0
#define LED_G_PORT GPIOH
#define LED_G_PIN GPIO_PIN_1
#define LED_B_PORT GPIOC
#define LED_B_PIN GPIO_PIN_1
#define HEARTBEAT_PERIOD_MS 2000
#define HEARTBEAT_BLINK_MS 200
static btstack_timer_source_t heartbeat;
static void heartbeat_handler_led_on(struct btstack_timer_source *ts);
static void heartbeat_handler_led_off(struct btstack_timer_source *ts);
const uint8_t adv_data[] = {
// Flags general discoverable, BR/EDR not supported
0x02, 0x01, 0x06,
// Service 16-bit: FFF0
0x03, 0x02, 0xF0, 0xFF,
// Manufacturer specific data (aa bb - address 78:A5:04:82:1B:A4)
0x09, 0xFF, 0x04, 0x1E, 0x78, 0xA5, 0x04, 0x82, 0x1A, 0xAA,
// Name
0x08, 0x09, 'D', 'E', 'L', 'I', 'G', 'H', 'T',
};
const uint8_t adv_data_len = sizeof(adv_data);
static void heartbeat_handler_led_off(struct btstack_timer_source *ts){
HAL_GPIO_WritePin(LED_SMALL_PORT, LED_SMALL_PIN, GPIO_PIN_SET);
heartbeat.process = &heartbeat_handler_led_on;
btstack_run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS - HEARTBEAT_BLINK_MS);
btstack_run_loop_add_timer(ts);
}
static void heartbeat_handler_led_on(struct btstack_timer_source *ts){
HAL_GPIO_WritePin(LED_SMALL_PORT, LED_SMALL_PIN, GPIO_PIN_RESET);
printf("BLINK\n");
heartbeat.process = &heartbeat_handler_led_off;
btstack_run_loop_set_timer(ts, HEARTBEAT_BLINK_MS);
btstack_run_loop_add_timer(ts);
}
static void set_rgb(uint8_t r, uint8_t g, uint8_t b){
printf("R: %u, G: %u, B: %u\n", r, g, b);
HAL_GPIO_WritePin(LED_R_PORT, LED_R_PIN, r > 128 ? GPIO_PIN_RESET : GPIO_PIN_SET);
HAL_GPIO_WritePin(LED_G_PORT, LED_G_PIN, g > 128 ? GPIO_PIN_RESET : GPIO_PIN_SET);
HAL_GPIO_WritePin(LED_B_PORT, LED_B_PIN, b > 128 ? GPIO_PIN_RESET : GPIO_PIN_SET);
}
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(channel);
UNUSED(size);
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
case HCI_EVENT_LE_META:
switch (hci_event_le_meta_get_subevent_code(packet)){
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
printf("Connected\n");
btstack_run_loop_remove_timer(&heartbeat);
HAL_GPIO_WritePin(LED_SMALL_PORT, LED_SMALL_PIN, GPIO_PIN_RESET);
break;
default:
break;
}
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
printf("Disconnected\n");
// restart heartbeat
set_rgb(0,0,0);
heartbeat_handler_led_on(&heartbeat);
break;
}
break;
}
}
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){
UNUSED(connection_handle);
return 0;
}
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){
UNUSED(transaction_mode);
UNUSED(offset);
UNUSED(buffer_size);
if (att_handle == ATT_CHARACTERISTIC_FFF3_01_VALUE_HANDLE) {
set_rgb(buffer[4], buffer[5], buffer[6]);
}
return 0;
}
int btstack_main(void);
int btstack_main(void)
{
l2cap_init();
// setup le device db
le_device_db_init();
// setup SM: Display only
sm_init();
// setup ATT server
att_server_init(profile_data, att_read_callback, att_write_callback);
// setup advertisements
uint16_t adv_int_min = 0x0030;
uint16_t adv_int_max = 0x0030;
uint8_t adv_type = 0;
bd_addr_t null_addr;
memset(null_addr, 0, 6);
gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00);
gap_advertisements_set_data(adv_data_len, (uint8_t*) adv_data);
gap_advertisements_enable(1);
// register for ATT event
att_server_register_packet_handler(packet_handler);
// set one-shot timer
heartbeat.process = &heartbeat_handler_led_on;
btstack_run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
btstack_run_loop_add_timer(&heartbeat);
// LEDs init
GPIO_InitTypeDef GPIO_InitStruct = {0};
// enable GPIO for Port H
__HAL_RCC_GPIOH_CLK_ENABLE();
GPIO_InitStruct.Pin = LED_SMALL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_SMALL_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LED_R_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_R_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LED_G_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_G_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LED_B_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_B_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin(LED_SMALL_PORT, LED_SMALL_PIN, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LED_R_PORT, LED_R_PIN, GPIO_PIN_SET);
HAL_GPIO_WritePin(LED_G_PORT, LED_G_PIN, GPIO_PIN_SET);
HAL_GPIO_WritePin(LED_B_PORT, LED_B_PIN, GPIO_PIN_SET);
// turn on!
hci_power_control(HCI_POWER_ON);
return 0;
}
/* EXAMPLE_END */
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