Hello,
First of all I know that many questions were posted here about this topic but I am posting mine because I couldn't figure out how to solve my issue and I am looking for new ideas.
I am working on a project of throughput data from sensors to my central via nRF51822 through a notifying service (SDK12.2, S130).
My central is an iOS app, and my throughput data are given from STM32 via UART but am sure I get them correctly. Also am using a simple buffer not fifo.
MIN_CONN_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS)
MAX_CONN_INTERVAL MSEC_TO_UNITS(40, UNIT_1_25_MS)
SLAVE_LATENCY 3
first of all I was adding packets to the TX buffer, faster than they can be sent out, and I got "BLE_ERROR_NO_TX_PACKETS " error. so I tried to make sure that my TX task is complete before initiating next one with this implementation:
do{
err_code = ble_data_send(&m_data_send, data_packet);
nrf_delay_ms(2);
}while(err_code== BLE_ERROR_NO_TX_PACKETS);
But I still have the same problem.
What am I missing?
Is there any problem with my implementation?
Is there any example of maximum throughput manage?
Can this be a cause of my central ?
thank you in advance devzone community. PS: if you want I can give more details.