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Read the characteristic value

nejcokle

Hey,

I want to read the value of characteristic of conneceted peripheral. I'm using two BLE modules, one is peripheral and one is central. I connected with central to peripheral, and now i need to know how to read characteristic value from it. I explored sd_ble_gattc_char_value_by_uuid_read and sd_ble_gattc_read functions, but i can't seem to get them to work poperly.

Can someone please explain to me how to properly set them up? I looked over the examples but i'm still having some problems.

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    Can you give a bit more detail on how you made the function work? Since the sequence Chart says connection established as requirement, i thought i put it in void on_ble_evt(ble_evt_t * p_ble_evt) to case BLE_GAP_EVT_CONNECTED: can this work? In addition, the flowchart says that the function needs two arguments, mine expects three (conn_handle, *p_uuid, *handle_range) so i gave it the p_ble_evt->evt.gap_evt.conn_handle. This causes no compilation error, but the central to disconnect from the peripheral and stopping completly. Any Ideas what might be wrong here? Wrong place to call the function?

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    Can you give a bit more detail on how you made the function work? Since the sequence Chart says connection established as requirement, i thought i put it in void on_ble_evt(ble_evt_t * p_ble_evt) to case BLE_GAP_EVT_CONNECTED: can this work? In addition, the flowchart says that the function needs two arguments, mine expects three (conn_handle, *p_uuid, *handle_range) so i gave it the p_ble_evt->evt.gap_evt.conn_handle. This causes no compilation error, but the central to disconnect from the peripheral and stopping completly. Any Ideas what might be wrong here? Wrong place to call the function?

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