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Commit 9da5516

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poussapoussa
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New files for BLE Zephyr
1 parent 692e5d5 commit 9da5516

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4 files changed

+364
-72
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4 files changed

+364
-72
lines changed

‎zephyr/src/main-test.c‎

Lines changed: 94 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,94 @@
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#include <zephyr.h>
2+
#include <device.h>
3+
#include <pwm.h>
4+
#include <sys_clock.h>
5+
#include <misc/byteorder.h>
6+
#include <adc.h>
7+
8+
#if defined(CONFIG_STDOUT_CONSOLE)
9+
#include <stdio.h>
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#define PRINT printf
11+
#else
12+
#include <misc/printk.h>
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#define PRINT printk
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#endif
15+
16+
#define IO3_RED "PWM_0"
17+
#define IO5_GREEN "PWM_1"
18+
#define IO6_BLUE "PWM_2"
19+
20+
#define ADC_DEVICE_NAME "ADC_0"
21+
22+
/*
23+
* The analog input pin and channel number mapping
24+
* for Arduino 101 board.
25+
* A0 Channel 10
26+
* A1 Channel 11
27+
* A2 Channel 12
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* A3 Channel 13
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* A4 Channel 14
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*/
31+
#define A0 10
32+
#define BUFFER_SIZE 40
33+
34+
static uint8_t buffer[BUFFER_SIZE];
35+
36+
static struct adc_seq_entry sample = {
37+
.sampling_delay = 12,
38+
.channel_id = A0,
39+
.buffer = buffer,
40+
.buffer_length = BUFFER_SIZE,
41+
};
42+
43+
static struct adc_seq_table table = {
44+
.entries = &sample,
45+
.num_entries = 1,
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};
47+
48+
#define SLEEPTICKS SECONDS(1)
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50+
void main(void)
51+
{
52+
struct nano_timer timer;
53+
uint32_t data[2] = {0, 0};
54+
55+
struct device *red, *green, *blue, *tmp36;
56+
57+
PRINT("Zephyr WebBluetooth demo\n");
58+
59+
red = device_get_binding(IO3_RED);
60+
green = device_get_binding(IO5_GREEN);
61+
blue = device_get_binding(IO6_BLUE);
62+
63+
if (!red || !green || !blue) {
64+
PRINT("Cannot find LED connected to pin 3 (red), 5 (green) and 6 (blue).\n");
65+
}
66+
67+
tmp36 = device_get_binding(ADC_DEVICE_NAME);
68+
if (!tmp36) {
69+
PRINT("Cannot find the TMP36 connected to pin A0.\n");
70+
}
71+
72+
nano_timer_init(&timer, data);
73+
adc_enable(tmp36);
74+
75+
while (1) {
76+
pwm_pin_set_values(red, 1024, SLEEPTICKS, 0);
77+
78+
if (adc_read(tmp36, &table) == 0) {
79+
uint32_t length = BUFFER_SIZE;
80+
uint8_t *buf = buffer;
81+
for (; length > 0; length -= 4, buf += 4) {
82+
uint32_t rawValue = *((uint32_t *) buf);
83+
float voltage = (rawValue / 1024.0) * 5.0;
84+
float celsius = (voltage - 0.5) * 100;
85+
PRINT("Celsius %f\n", celsius);
86+
}
87+
}
88+
89+
nano_timer_start(&timer, SLEEPTICKS);
90+
nano_timer_test(&timer, TICKS_UNLIMITED);
91+
}
92+
93+
adc_disable(tmp36);
94+
}

‎zephyr/src/main.c‎

Lines changed: 112 additions & 72 deletions
Original file line numberDiff line numberDiff line change
@@ -1,94 +1,134 @@
1-
#include <zephyr.h>
2-
#include <device.h>
3-
#include <pwm.h>
4-
#include <sys_clock.h>
5-
#include <misc/byteorder.h>
6-
#include <adc.h>
1+
/* main.c - Application main entry point */
72

8-
#if defined(CONFIG_STDOUT_CONSOLE)
9-
#include <stdio.h>
10-
#define PRINT printf
11-
#else
3+
/*
4+
* Copyright (c) 2015 Intel Corporation
5+
*
6+
* Licensed under the Apache License, Version 2.0 (the "License");
7+
* you may not use this file except in compliance with the License.
8+
* You may obtain a copy of the License at
9+
*
10+
* http://www.apache.org/licenses/LICENSE-2.0
11+
*
12+
* Unless required by applicable law or agreed to in writing, software
13+
* distributed under the License is distributed on an "AS IS" BASIS,
14+
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15+
* See the License for the specific language governing permissions and
16+
* limitations under the License.
17+
*/
18+
19+
#include <stdint.h>
20+
#include <stddef.h>
21+
#include <string.h>
22+
#include <errno.h>
1223
#include <misc/printk.h>
13-
#define PRINT printk
14-
#endif
24+
#include <misc/byteorder.h>
25+
#include <zephyr.h>
1526

16-
#define IO3_RED "PWM_0"
17-
#define IO5_GREEN "PWM_1"
18-
#define IO6_BLUE "PWM_2"
27+
#include <bluetooth/bluetooth.h>
28+
#include <bluetooth/hci.h>
29+
#include <bluetooth/conn.h>
30+
#include <bluetooth/uuid.h>
31+
#include <bluetooth/gatt.h>
1932

20-
#define ADC_DEVICE_NAME "ADC_0"
33+
#include "service.h"
2134

22-
/*
23-
* The analog input pin and channel number mapping
24-
* for Arduino 101 board.
25-
* A0 Channel 10
26-
* A1 Channel 11
27-
* A2 Channel 12
28-
* A3 Channel 13
29-
* A4 Channel 14
30-
*/
31-
#define A0 10
32-
#define BUFFER_SIZE 40
35+
#define DEVICE_NAME "Arduino101"
36+
#define DEVICE_NAME_LEN (sizeof(DEVICE_NAME) - 1)
3337

34-
static uint8_t buffer[BUFFER_SIZE];
38+
struct bt_conn *default_conn;
3539

36-
static struct adc_seq_entry sample = {
37-
.sampling_delay = 12,
38-
.channel_id = A0,
39-
.buffer = buffer,
40-
.buffer_length = BUFFER_SIZE,
40+
static const struct bt_data ad[] = {
41+
BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
42+
BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0x00, 0xfc),
4143
};
4244

43-
static struct adc_seq_table table = {
44-
.entries = &sample,
45-
.num_entries = 1,
45+
static const struct bt_data sd[] = {
46+
BT_DATA(BT_DATA_NAME_COMPLETE, DEVICE_NAME, DEVICE_NAME_LEN),
4647
};
4748

48-
#define SLEEPTICKS SECONDS(1)
49-
50-
void main(void)
49+
static void connected(struct bt_conn *conn, uint8_t err)
50+
{
51+
if (err) {
52+
printk("Connection failed (err %u)\n", err);
53+
} else {
54+
default_conn = bt_conn_ref(conn);
55+
printk("Connected\n");
56+
}
57+
}
58+
59+
static void disconnected(struct bt_conn *conn, uint8_t reason)
5160
{
52-
struct nano_timer timer;
53-
uint32_t data[2] = {0, 0};
61+
printk("Disconnected (reason %u)\n", reason);
62+
63+
if (default_conn) {
64+
bt_conn_unref(default_conn);
65+
default_conn = NULL;
66+
}
67+
}
5468

55-
struct device *red, *green, *blue, *tmp36;
69+
static struct bt_conn_cb conn_callbacks = {
70+
.connected = connected,
71+
.disconnected = disconnected,
72+
};
73+
74+
static void bt_ready(int err)
75+
{
76+
if (err) {
77+
printk("Bluetooth init failed (err %d)\n", err);
78+
return;
79+
}
5680

57-
PRINT("Zephyr WebBluetooth demo\n");
81+
printk("Bluetooth initialized\n");
5882

59-
red = device_get_binding(IO3_RED);
60-
green = device_get_binding(IO5_GREEN);
61-
blue = device_get_binding(IO6_BLUE);
83+
service_init();
6284

63-
if (!red || !green || !blue) {
64-
PRINT("Cannot find LED connected to pin 3 (red), 5 (green) and 6 (blue).\n");
65-
}
85+
err = bt_le_adv_start(BT_LE_ADV(BT_LE_ADV_IND), ad, ARRAY_SIZE(ad),
86+
sd, ARRAY_SIZE(sd));
87+
if (err) {
88+
printk("Advertising failed to start (err %d)\n", err);
89+
return;
90+
}
6691

67-
tmp36 = device_get_binding(ADC_DEVICE_NAME);
68-
if (!tmp36) {
69-
PRINT("Cannot find the TMP36 connected to pin A0.\n");
70-
}
92+
printk("Advertising successfully started\n");
93+
}
7194

72-
nano_timer_init(&timer, data);
73-
adc_enable(tmp36);
95+
static void auth_cancel(struct bt_conn *conn)
96+
{
97+
char addr[BT_ADDR_LE_STR_LEN];
7498

75-
while (1) {
76-
pwm_pin_set_values(red, 1024, SLEEPTICKS, 0);
99+
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
77100

78-
if (adc_read(tmp36, &table) == 0) {
79-
uint32_t length = BUFFER_SIZE;
80-
uint8_t *buf = buffer;
81-
for (; length > 0; length -= 4, buf += 4) {
82-
uint32_t rawValue = *((uint32_t *) buf);
83-
float voltage = (rawValue / 1024.0) * 5.0;
84-
float celsius = (voltage - 0.5) * 100;
85-
PRINT("Celsius %f\n", celsius);
86-
}
87-
}
101+
printk("Pairing cancelled: %s\n", addr);
102+
}
88103

89-
nano_timer_start(&timer, SLEEPTICKS);
90-
nano_timer_test(&timer, TICKS_UNLIMITED);
91-
}
104+
static struct bt_conn_auth_cb auth_cb_display = {
105+
.cancel = auth_cancel,
106+
};
92107

93-
adc_disable(tmp36);
94-
}
108+
#ifdef CONFIG_MICROKERNEL
109+
void mainloop(void)
110+
#else
111+
void main(void)
112+
#endif
113+
{
114+
int err;
115+
116+
err = bt_enable(bt_ready);
117+
if (err) {
118+
printk("Bluetooth init failed (err %d)\n", err);
119+
return;
120+
}
121+
122+
bt_conn_cb_register(&conn_callbacks);
123+
bt_conn_auth_cb_register(&auth_cb_display);
124+
125+
/* Implement notification. At the moment there is no suitable way
126+
* of starting delayed work so we do it here
127+
*/
128+
while (1) {
129+
task_sleep(sys_clock_ticks_per_sec);
130+
131+
/* Battery level simulation */
132+
service_notify();
133+
}
134+
}

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