Posted on September 07, 2016 at 12:00Hello,
I'm using the ST BLE (SPBTLE-RF) to send data from MCU to smartphone. We used an entire solution from ST (VL53L0X sensor, STM32F401 MCU and SPBTLE-RF BLE).
I want to send many packets (a lot of data, >50 ko) using HCI_Process() function, but I couldn't. I modified this function to do a loop, but it sent only the first 22 bytes for each packet.
For this BLE service, I used :
ret = aci_gatt_add_char(envSensServHandle, UUID_TYPE_128, uuid, size_packet,
CHAR_PROP_READ, ATTR_PERMISSION_NONE,
GATT_NOTIFY_READ_REQ_AND_WAIT_FOR_APPL_RESP,
16, 0, &tempCharHandle);
ret = aci_gatt_update_char_value(envSensServHandle, tempCharHandle, 0, size_packet,
(uint8_t*)&(*(uint8_t *)(address_dat+(size_packet*num_packet))));
num_packet is given as an input to HCI_Process();
I know that size_packet can't be greater than HCI_MAX_PAYLOAD_SIZE (255).
I look forward to hearing from you. Thanks
#bluenrg #ble #spbtle-rf
