Semedi/nimble_gatt_temp_server
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set temp service

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This commit is contained in:
Sergio Semedi
2025-12-02 23:30:57 +01:00
parent 615637e24c
commit 30cccee5f6
1 changed files with 31 additions and 31 deletions
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62
main/src/gatt_svc.c
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@@ -5,22 +5,22 @@
#include "led.h"
/* Private function declarations */
static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
static int temp_chr_access(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt, void *arg);
static int led_chr_access(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt, void *arg);
/* Private variables */
/* Heart rate service */
static const ble_uuid16_t heart_rate_svc_uuid = BLE_UUID16_INIT(0x180D);
/* temp rate service */
static const ble_uuid16_t temp_svc_uuid = BLE_UUID16_INIT(0x180D);
static uint8_t heart_rate_chr_val[2] = {0};
static uint16_t heart_rate_chr_val_handle;
static const ble_uuid16_t heart_rate_chr_uuid = BLE_UUID16_INIT(0x2A37);
static uint8_t temp_chr_val[2] = {0};
static uint16_t temp_chr_val_handle;
static const ble_uuid16_t temp_chr_uuid = BLE_UUID16_INIT(0x2A37);
static uint16_t heart_rate_chr_conn_handle = 0;
static bool heart_rate_chr_conn_handle_inited = false;
static bool heart_rate_ind_status = false;
static uint16_t temp_chr_conn_handle = 0;
static bool temp_chr_conn_handle_inited = false;
static bool temp_ind_status = false;
/* Automation IO service */
static const ble_uuid16_t auto_io_svc_uuid = BLE_UUID16_INIT(0x1815);
@@ -31,16 +31,16 @@ static const ble_uuid128_t led_chr_uuid =
/* GATT services table */
static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
/* Heart rate service */
/* Temp rate service */
{.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = &heart_rate_svc_uuid.u,
.uuid = &temp_svc_uuid.u,
.characteristics =
(struct ble_gatt_chr_def[]){
{/* Heart rate characteristic */
.uuid = &heart_rate_chr_uuid.u,
.access_cb = heart_rate_chr_access,
{/* Temp rate characteristic */
.uuid = &temp_chr_uuid.u,
.access_cb = temp_chr_access,
.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_INDICATE,
.val_handle = &heart_rate_chr_val_handle},
.val_handle = &temp_chr_val_handle},
{
0, /* No more characteristics in this service. */
}}},
@@ -64,13 +64,13 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
};
/* Private functions */
static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
static int temp_chr_access(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt, void *arg) {
/* Local variables */
int rc;
/* Handle access events */
/* Note: Heart rate characteristic is read only */
/* Note: Temp rate characteristic is read only */
switch (ctxt->op) {
/* Read characteristic event */
@@ -85,11 +85,11 @@ static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
}
/* Verify attribute handle */
if (attr_handle == heart_rate_chr_val_handle) {
if (attr_handle == temp_chr_val_handle) {
/* Update access buffer value */
heart_rate_chr_val[1] = get_temp();
rc = os_mbuf_append(ctxt->om, &heart_rate_chr_val,
sizeof(heart_rate_chr_val));
temp_chr_val[1] = get_temp();
rc = os_mbuf_append(ctxt->om, &temp_chr_val,
sizeof(temp_chr_val));
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
goto error;
@@ -102,7 +102,7 @@ static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
error:
ESP_LOGE(
TAG,
"unexpected access operation to heart rate characteristic, opcode: %d",
"unexpected access operation to temp rate characteristic, opcode: %d",
ctxt->op);
return BLE_ATT_ERR_UNLIKELY;
}
@@ -161,9 +161,9 @@ error:
/* Public functions */
void send_heart_rate_indication(void) {
if (heart_rate_ind_status && heart_rate_chr_conn_handle_inited) {
ble_gatts_indicate(heart_rate_chr_conn_handle,
heart_rate_chr_val_handle);
if (temp_ind_status && temp_chr_conn_handle_inited) {
ble_gatts_indicate(temp_chr_conn_handle,
temp_chr_val_handle);
ESP_LOGI(TAG, "heart rate indication sent!");
}
}
@@ -213,7 +213,7 @@ void gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg) {
/*
* GATT server subscribe event callback
* 1. Update heart rate subscription status
* 1. Update temp rate subscription status
*/
void gatt_svr_subscribe_cb(struct ble_gap_event *event) {
@@ -227,11 +227,11 @@ void gatt_svr_subscribe_cb(struct ble_gap_event *event) {
}
/* Check attribute handle */
if (event->subscribe.attr_handle == heart_rate_chr_val_handle) {
/* Update heart rate subscription status */
heart_rate_chr_conn_handle = event->subscribe.conn_handle;
heart_rate_chr_conn_handle_inited = true;
heart_rate_ind_status = event->subscribe.cur_indicate;
if (event->subscribe.attr_handle == temp_chr_val_handle) {
/* Update temp rate subscription status */
temp_chr_conn_handle = event->subscribe.conn_handle;
temp_chr_conn_handle_inited = true;
temp_ind_status = event->subscribe.cur_indicate;
}
}