ef90e5d337
* gattc: use UUID() to allow for bare metal to permit clean use of short UUIDs Signed-off-by: deadprogram <ron@hybridgroup.com> * gattc/macos: correct usage of UUID wrapper type alias Signed-off-by: Ron Evans <ron@hybridgroup.com> * gattc/sd: correct usage of UUID wrapper type alias Signed-off-by: Ron Evans <ron@hybridgroup.com> * gattc/sd, uuid/sd: changes intended to reduce memory allocations for service and characteristic discovery Signed-off-by: deadprogram <ron@hybridgroup.com> * gattc/sd: partial improvements to DiscoverServices/DiscoverCharacteristics Signed-off-by: deadprogram <ron@hybridgroup.com> * gattc/sd: mostly getting uuid back for services in DiscoverServices Signed-off-by: deadprogram <ron@hybridgroup.com> * uuid/sd: correct way to calculate UUID from shortUUID Signed-off-by: deadprogram <ron@hybridgroup.com> * gattc/sd: able to discover services and characteristics Signed-off-by: deadprogram <ron@hybridgroup.com> * examples: updated discover example that can run with OS or bare metal Signed-off-by: deadprogram <ron@hybridgroup.com> * gattc/sd: ensure safe casts for length of returned struct when converting short UUID Signed-off-by: deadprogram <ron@hybridgroup.com>
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// +build softdevice
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package bluetooth
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/*
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// Define SoftDevice functions as regular function declarations (not inline
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// static functions).
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#define SVCALL_AS_NORMAL_FUNCTION
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#include "ble.h"
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*/
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import "C"
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import "unsafe"
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type shortUUID C.ble_uuid_t
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func (uuid UUID) shortUUID() (C.ble_uuid_t, uint32) {
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var short C.ble_uuid_t
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short.uuid = uint16(uuid[3])
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if uuid.Is16Bit() {
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short._type = C.BLE_UUID_TYPE_BLE
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return short, 0
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}
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errCode := C.sd_ble_uuid_vs_add((*C.ble_uuid128_t)(unsafe.Pointer(&uuid[0])), &short._type)
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return short, errCode
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}
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// UUID returns the full length UUID for this short UUID.
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func (s shortUUID) UUID() UUID {
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if s._type == C.BLE_UUID_TYPE_BLE {
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return New16BitUUID(s.uuid)
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}
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var outLen C.uint8_t
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var outUUID UUID
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C.sd_ble_uuid_encode(((*C.ble_uuid_t)(unsafe.Pointer(&s))), &outLen, ((*C.uint8_t)(unsafe.Pointer(&outUUID))))
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return outUUID
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}
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// IsIn checks the passed in slice of short UUIDs to see if this uuid is in it.
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func (s shortUUID) IsIn(uuids []C.ble_uuid_t) bool {
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for _, u := range uuids {
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if u == s {
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return true
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}
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}
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return false
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}
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