1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
#include "badge/ble.h"
#include <NimBLEDevice.h>
#include "badge/config.h"
#include "badge/log.h"
static NimBLEServer *server;
static NimBLEAdvertising *pAdvertising;
static NimBLECharacteristic *selectorCharacteristic;
static volatile struct
{
bool changed;
uint8_t value;
} value_changed;
#define IMAGE_DATA(_, display) display
const char *templates[] = {
#include "./images.cfg"
};
class BadgeServerCallbacks : public NimBLEServerCallbacks
{
void onConnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo) override
{
NimBLEServerCallbacks::onConnect(pServer, connInfo);
}
void onDisconnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo, int reason) override
{
NimBLEServerCallbacks::onDisconnect(pServer, connInfo, reason);
}
} badgeServerCallbacks;
class BadgeSelectorCallbacks : public NimBLECharacteristicCallbacks
{
void onWrite(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo) override
{
NimBLECharacteristicCallbacks::onWrite(pCharacteristic, connInfo);
if (pCharacteristic == selectorCharacteristic)
{
LOG_F("Write!");
const char *val = pCharacteristic->getValue().c_str();
char *end = NULL;
long newVal = strtol(val, &end, 10);
String defVal("0");
if (end == NULL || end == val)
{
LOG_F("Error parsing value\n");
pCharacteristic->setValue(defVal);
pCharacteristic->notify(defVal, BLE_HS_CONN_HANDLE_NONE);
}
else if (newVal >= ARRAY_SIZE(templates))
{
LOG_F("Value out of range: %d\n", newVal);
pCharacteristic->setValue(defVal);
pCharacteristic->notify(defVal, BLE_HS_CONN_HANDLE_NONE);
}
else
{
LOG_F("Value set to %d\n", newVal);
value_changed.value = newVal;
value_changed.changed = true;
}
}
}
} badgeSelectorCallbacks;
void de::uvok::badge::ble_init(void)
{
NimBLEDevice::init("Espadge");
server = NimBLEDevice::createServer();
server->setCallbacks(&badgeServerCallbacks);
NimBLEService *service = new NimBLEService("ca260000-b4bb-46b2-bd06-b7b7a61ea990");
// read/write current
selectorCharacteristic =
service->createCharacteristic("ca260001-b4bb-46b2-bd06-b7b7a61ea990",
NIMBLE_PROPERTY::READ | NIMBLE_PROPERTY::WRITE | NIMBLE_PROPERTY::NOTIFY);
selectorCharacteristic->setValue("0");
selectorCharacteristic->setCallbacks(&badgeSelectorCallbacks);
// get pictures
auto call = service->createCharacteristic("ca260002-b4bb-46b2-bd06-b7b7a61ea990", NIMBLE_PROPERTY::READ);
String s{};
for (int i = 0; i < ARRAY_SIZE(templates); i++)
{
char tmp[32];
snprintf(tmp, sizeof(tmp), "%d-%s;", i, templates[i]);
s.concat(tmp);
}
call->setValue(s.c_str());
service->start();
server->addService(service);
pAdvertising = NimBLEDevice::getAdvertising();
pAdvertising->setName("NimBLE");
}
bool de::uvok::badge::ble_is_active(void)
{
return pAdvertising->isAdvertising() || server->getConnectedCount() > 0;
// ???? NimBLEDevice::getConnectedClients().size() > 0;
}
void de::uvok::badge::ble_advertise(void)
{
if (!pAdvertising->isAdvertising())
{
Serial.println("Long press detected. Starting advertising...");
pAdvertising->start(10000);
}
}
de::uvok::badge::ble_poll_result_t de::uvok::badge::ble_poll(void)
{
if (value_changed.changed)
{
const uint8_t val = value_changed.value;
value_changed.changed = false;
return (ble_poll_result_t){.has_data = true, .new_template = val};
}
return (ble_poll_result_t){.has_data = false};
}
void de::uvok::badge::ble_set_image(uint8_t image)
{
LOG_F("Notify BLE: set image to %d\n", image);
String s(image);
selectorCharacteristic->setValue(s);
selectorCharacteristic->notify(s, BLE_HS_CONN_HANDLE_NONE);
}
|
