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component/bt: add example for ble spp server 

- refactory spp server code for modification suggestion.
pull/890/merge
xiewenxiang 2017-08-28 13:43:48 +08:00
rodzic 46e7570dcd
commit e6f0ff7209
1 zmienionych plików z 28 dodań i 63 usunięć
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87
examples/bluetooth/ble_spp_server/main/ble_spp_server_demo.c
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@ -21,6 +21,7 @@
#include "nvs_flash.h"
#include "bt.h"
#include "driver/uart.h"
#include "string.h"
#include "esp_gap_ble_api.h"
#include "esp_gatts_api.h"
@ -57,7 +58,6 @@ static const uint8_t spp_adv_data[23] = {
static uint16_t spp_mtu_size = 23;
static uint16_t spp_conn_id = 0xffff;
static esp_gatt_if_t spp_gatts_if = 0xff;
static uint32_t cmd = 0x0;
QueueHandle_t spp_uart_queue = NULL;
static xQueueHandle cmd_cmd_queue = NULL;
@ -177,7 +177,7 @@ static const esp_gatts_attr_db_t spp_gatt_db[SPP_IDX_NB] =
//SPP - Service Declaration
[SPP_IDX_SVC] =
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ,
sizeof(uint16_t), sizeof(spp_service_uuid), (uint8_t *)&spp_service_uuid}},
sizeof(spp_service_uuid), sizeof(spp_service_uuid), (uint8_t *)&spp_service_uuid}},
//SPP - data receive characteristic Declaration
[SPP_IDX_SPP_DATA_RECV_CHAR] =
@ -249,48 +249,15 @@ static const esp_gatts_attr_db_t spp_gatt_db[SPP_IDX_NB] =
static uint8_t find_char_and_desr_index(uint16_t handle)
{
uint8_t result = 0xff, handle_num = 0xff;
uint8_t error = 0xff;
for(int i = 0; i < SPP_IDX_NB ; i++){
if(handle == spp_handle_table[i]){
handle_num = i;
break;
return i;
}
}
if(handle_num == 0xff){
return result;
}
switch(handle_num){
case SPP_IDX_SPP_DATA_RECV_VAL: //SPP - data receive characteristic Value
result = SPP_IDX_SPP_DATA_RECV_VAL;
break;
case SPP_IDX_SPP_DATA_NTY_VAL: //SPP - data notify characteristic Value
result = SPP_IDX_SPP_DATA_NTY_VAL;
break;
case SPP_IDX_SPP_DATA_NTF_CFG: //SPP - data notify characteristic - Client Characteristic Configuration Descriptor
result = SPP_IDX_SPP_DATA_NTF_CFG;
break;
case SPP_IDX_SPP_COMMAND_VAL: //SPP - command characteristic Value
result = SPP_IDX_SPP_COMMAND_VAL;
break;
case SPP_IDX_SPP_STATUS_VAL: //SPP - status characteristic Value
result = SPP_IDX_SPP_STATUS_VAL;
break;
case SPP_IDX_SPP_STATUS_CFG: //SPP - status characteristic - Client Characteristic Configuration Descriptor
result = SPP_IDX_SPP_STATUS_CFG;
break;
#ifdef SUPPORT_HEARTBEAT
case SPP_IDX_SPP_HEARTBEAT_VAL: //SPP - Heart beat characteristic Value
result = SPP_IDX_SPP_HEARTBEAT_VAL;
break;
case SPP_IDX_SPP_HEARTBEAT_CFG: //SPP - Heart beat characteristic - Client Characteristic Configuration Descriptor
result = SPP_IDX_SPP_HEARTBEAT_CFG;
break;
#endif
default:
break;
}
return result;
return error;
}
static bool store_wr_buffer(esp_ble_gatts_cb_param_t *p_data)
@ -367,6 +334,10 @@ void uart_task(void *pvParameters)
break;
}
#endif
if(!enable_data_ntf){
ESP_LOGE(GATTS_TABLE_TAG, "%s do not enable data Notify\n", __func__);
break;
}
temp = (uint8_t *)malloc(sizeof(uint8_t)*event.size);
if(temp == NULL){
ESP_LOGE(GATTS_TABLE_TAG, "%s malloc.1 failed\n", __func__);
@ -374,10 +345,6 @@ void uart_task(void *pvParameters)
}
memset(temp,0x0,event.size);
uart_read_bytes(UART_NUM_0,temp,event.size,portMAX_DELAY);
if(!enable_data_ntf){
ESP_LOGE(GATTS_TABLE_TAG, "%s do not enable data Notify\n", __func__);
break;
}
if(event.size <= (spp_mtu_size - 3)){
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, spp_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],event.size, temp, false);
}else if(event.size > (spp_mtu_size - 3)){
@ -387,34 +354,32 @@ void uart_task(void *pvParameters)
total_num = event.size/(spp_mtu_size - 7) + 1;
}
current_num = 1;
while(current_num <= total_num){
if(current_num < total_num){
ntf_value_p = (uint8_t *)malloc((spp_mtu_size-3)*sizeof(uint8_t));
if(ntf_value_p == NULL){
ESP_LOGE(GATTS_TABLE_TAG, "%s malloc.2 failed\n", __func__);
free(temp);
break;
}
while(current_num <= total_num){
if(current_num < total_num){
ntf_value_p[0] = '#';
ntf_value_p[1] = '#';
ntf_value_p[2] = total_num;
ntf_value_p[3] = current_num;
memcpy(ntf_value_p + 4,temp + current_num*(spp_mtu_size-7),(spp_mtu_size-7));
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, spp_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],(event.size + 2), ntf_value_p, false);
memcpy(ntf_value_p + 4,temp + (current_num - 1)*(spp_mtu_size-7),(spp_mtu_size-7));
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, spp_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],(spp_mtu_size-3), ntf_value_p, false);
}else if(current_num == total_num){
ntf_value_p = (uint8_t *)malloc(((event.size - (current_num - 1)*(spp_mtu_size - 7)) + 4)*sizeof(uint8_t));
if(ntf_value_p == NULL){
ESP_LOGE(GATTS_TABLE_TAG, "%s malloc.3 failed\n", __func__);
}
ntf_value_p[0] = '#';
ntf_value_p[1] = '#';
ntf_value_p[2] = total_num;
ntf_value_p[3] = current_num;
memcpy(ntf_value_p + 4,temp + (current_num - 1)*(spp_mtu_size-5),(event.size - (current_num - 1)*(spp_mtu_size - 5)));
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, spp_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],((event.size - (current_num - 1)*(spp_mtu_size - 5)) + 2), ntf_value_p, false);
memcpy(ntf_value_p + 4,temp + (current_num - 1)*(spp_mtu_size-7),(event.size - (current_num - 1)*(spp_mtu_size - 7)));
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, spp_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],(event.size - (current_num - 1)*(spp_mtu_size - 7) + 4), ntf_value_p, false);
}
vTaskDelay(20 / portTICK_PERIOD_MS);
free(ntf_value_p);
current_num++;
}
free(ntf_value_p);
}
free(temp);
}
@ -475,13 +440,13 @@ void spp_heartbeat_task(void * arg)
void spp_cmd_task(void * arg)
{
uint32_t cmd_id;
uint8_t * cmd_id;
for(;;){
vTaskDelay(50 / portTICK_PERIOD_MS);
if(xQueueReceive(cmd_cmd_queue, &cmd_id, portMAX_DELAY)) {
esp_log_buffer_char(GATTS_TABLE_TAG,(char *)(cmd_id),SPP_CMD_MAX_LEN);
free((uint8_t *)(cmd_id));
esp_log_buffer_char(GATTS_TABLE_TAG,(char *)(cmd_id),strlen((char *)cmd_id));
free(cmd_id);
}
}
vTaskDelete(NULL);
@ -548,15 +513,14 @@ static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_WRITE_EVT : handle = %d\n", res);
if(res == SPP_IDX_SPP_COMMAND_VAL){
uint8_t * spp_cmd_buff = NULL;
spp_cmd_buff = (uint8_t *)malloc(SPP_CMD_MAX_LEN * sizeof(uint8_t));
spp_cmd_buff = (uint8_t *)malloc((spp_mtu_size - 3) * sizeof(uint8_t));
if(spp_cmd_buff == NULL){
ESP_LOGE(GATTS_TABLE_TAG, "%s malloc failed\n", __func__);
break;
}
cmd = (uint32_t)spp_cmd_buff;
memset(spp_cmd_buff,0x0,SPP_CMD_MAX_LEN);
memset(spp_cmd_buff,0x0,(spp_mtu_size - 3));
memcpy(spp_cmd_buff,p_data->write.value,p_data->write.len);
xQueueSend(cmd_cmd_queue,&cmd,10/portTICK_PERIOD_MS);
xQueueSend(cmd_cmd_queue,&spp_cmd_buff,10/portTICK_PERIOD_MS);
}else if(res == SPP_IDX_SPP_DATA_NTF_CFG){
if((p_data->write.len == 2)&&(p_data->write.value[0] == 0x01)&&(p_data->write.value[1] == 0x00)){
enable_data_ntf = true;
@ -619,6 +583,7 @@ static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_
is_connected = true;
memcpy(&spp_remote_bda,&p_data->connect.remote_bda,sizeof(esp_bd_addr_t));
#ifdef SUPPORT_HEARTBEAT
uint16_t cmd = 0;
xQueueSend(cmd_heartbeat_queue,&cmd,10/portTICK_PERIOD_MS);
#endif
break;