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extmod/modbluetooth: Allow user-specified reason in read request IRQ.

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Instead of returning None/bool from the IRQ, return None/int (where a zero
value means success).  This mirrors how the L2CAP_ACCEPT return value
works.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2020-11-24 23:04:58 +11:00
committed by Damien George
parent 89553997b8
commit 60830bcba4
3 changed files with 30 additions and 9 deletions
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20
extmod/modbluetooth.h
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@@ -94,6 +94,14 @@
#define MP_BLUETOOTH_CHARACTERISTIC_FLAG_WRITE_AUTHENTICATED (0x2000)
#define MP_BLUETOOTH_CHARACTERISTIC_FLAG_WRITE_AUTHORIZED (0x4000)
// Return values from _IRQ_GATTS_READ_REQUEST.
#define MP_BLUETOOTH_GATTS_NO_ERROR (0x00)
#define MP_BLUETOOTH_GATTS_ERROR_READ_NOT_PERMITTED (0x02)
#define MP_BLUETOOTH_GATTS_ERROR_WRITE_NOT_PERMITTED (0x03)
#define MP_BLUETOOTH_GATTS_ERROR_INSUFFICIENT_AUTHENTICATION (0x05)
#define MP_BLUETOOTH_GATTS_ERROR_INSUFFICIENT_AUTHORIZATION (0x08)
#define MP_BLUETOOTH_GATTS_ERROR_INSUFFICIENT_ENCRYPTION (0x0f)
// For mp_bluetooth_gattc_write, the mode parameter
#define MP_BLUETOOTH_WRITE_MODE_NO_RESPONSE (0)
#define MP_BLUETOOTH_WRITE_MODE_WITH_RESPONSE (1)
@@ -185,6 +193,13 @@ _FLAG_READ_AUTHORIZED = const(0x0800)
_FLAG_WRITE_ENCRYPTED = const(0x1000)
_FLAG_WRITE_AUTHENTICATED = const(0x2000)
_FLAG_WRITE_AUTHORIZED = const(0x4000)
_GATTS_NO_ERROR = const(0x00)
_GATTS_ERROR_READ_NOT_PERMITTED = const(0x02)
_GATTS_ERROR_WRITE_NOT_PERMITTED = const(0x03)
_GATTS_ERROR_INSUFFICIENT_AUTHENTICATION = const(0x05)
_GATTS_ERROR_INSUFFICIENT_AUTHORIZATION = const(0x08)
_GATTS_ERROR_INSUFFICIENT_ENCRYPTION = const(0x0f)
*/
// bluetooth.UUID type.
@@ -324,8 +339,9 @@ void mp_bluetooth_gatts_on_write(uint16_t conn_handle, uint16_t value_handle);
// Call this when an acknowledgment is received for an indication.
void mp_bluetooth_gatts_on_indicate_complete(uint16_t conn_handle, uint16_t value_handle, uint8_t status);
// Call this when a characteristic is read from. Return false to deny the read.
bool mp_bluetooth_gatts_on_read_request(uint16_t conn_handle, uint16_t value_handle);
// Call this when a characteristic is read from (giving the handler a chance to update the stored value).
// Return 0 to allow the read, otherwise a non-zero rejection reason (see MP_BLUETOOTH_GATTS_ERROR_*).
mp_int_t mp_bluetooth_gatts_on_read_request(uint16_t conn_handle, uint16_t value_handle);
// Call this when an MTU exchange completes.
void mp_bluetooth_gatts_on_mtu_exchanged(uint16_t conn_handle, uint16_t value);