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extmod/modbluetooth: Implement read done event.

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On btstack there's no status associated with the read result, it comes
through as a separate event.  This allows you to detect read failures or
timeouts.
This commit is contained in:
Jim Mussared
2020-06-02 14:22:47 +10:00
committed by Damien George
parent 919d640aec
commit c07ea3e4c2
5 changed files with 19 additions and 9 deletions
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11
extmod/btstack/modbluetooth_btstack.c
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@@ -171,8 +171,6 @@ STATIC void btstack_packet_handler(uint8_t packet_type, uint8_t *packet, uint8_t
irq == MP_BLUETOOTH_IRQ_GATTC_CHARACTERISTIC_DONE ||
irq == MP_BLUETOOTH_IRQ_GATTC_DESCRIPTOR_DONE) {
mp_bluetooth_gattc_on_discover_complete(irq, conn_handle, status);
} else {
// Note that query complete is fired for other operations like query value too.
}
} else if (event_type == GATT_EVENT_SERVICE_QUERY_RESULT) {
DEBUG_EVENT_printf(" --> gatt service query result\n");
@@ -262,6 +260,13 @@ STATIC void btstack_packet_handler_discover_descriptors(uint8_t packet_type, uin
btstack_packet_handler(packet_type, packet, MP_BLUETOOTH_IRQ_GATTC_DESCRIPTOR_DONE);
}
// For when the handler is being used for a read query.
STATIC void btstack_packet_handler_read(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
(void)channel;
(void)size;
btstack_packet_handler(packet_type, packet, MP_BLUETOOTH_IRQ_GATTC_READ_DONE);
}
// For when the handler is being used for write-with-response.
STATIC void btstack_packet_handler_write_with_response(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) {
(void)channel;
@@ -740,7 +745,7 @@ int mp_bluetooth_gattc_discover_descriptors(uint16_t conn_handle, uint16_t start
int mp_bluetooth_gattc_read(uint16_t conn_handle, uint16_t value_handle) {
DEBUG_EVENT_printf("mp_bluetooth_gattc_read\n");
return btstack_error_to_errno(gatt_client_read_value_of_characteristic_using_value_handle(&btstack_packet_handler_generic, conn_handle, value_handle));
return btstack_error_to_errno(gatt_client_read_value_of_characteristic_using_value_handle(&btstack_packet_handler_read, conn_handle, value_handle));
}
int mp_bluetooth_gattc_write(uint16_t conn_handle, uint16_t value_handle, const uint8_t *value, size_t *value_len, unsigned int mode) {