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softdevice: fix writing to a characteristic

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This seems to have been broken since
https://github.com/tinygo-org/bluetooth/pull/192, I suspect it's a
problem with the struct calling convention (which most certainly is a
TinyGo CGo bug, but at least this works around the problem).
This commit is contained in:
Ayke van Laethem 2023-12-24 13:07:56 +01:00 committed by Ron Evans
parent 01243181c3
commit b5d4e3f82a
1 changed files with 7 additions and 5 deletions
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12
gatts_sd.go
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@ -12,7 +12,12 @@ static inline uint32_t sd_ble_gatts_hvx_noescape(uint16_t conn_handle, uint16_t
return sd_ble_gatts_hvx(conn_handle, &p_hvx_params);
}
static inline uint32_t sd_ble_gatts_value_set_noescape(uint16_t conn_handle, uint16_t handle, ble_gatts_value_t p_value) {
static inline uint32_t sd_ble_gatts_value_set_noescape(uint16_t conn_handle, uint16_t handle, uint16_t len, uint8_t *value) {
ble_gatts_value_t p_value = {
.len = len,
.offset = 0,
.p_value = value,
};
return sd_ble_gatts_value_set(conn_handle, handle, &p_value);
}
*/
@ -145,10 +150,7 @@ func (c *Characteristic) Write(p []byte) (n int, err error) {
}
}
errCode := C.sd_ble_gatts_value_set_noescape(C.BLE_CONN_HANDLE_INVALID, c.handle, C.ble_gatts_value_t{
len: C.uint16_t(len(p)),
p_value: (*C.uint8_t)(unsafe.Pointer(&p[0])),
})
errCode := C.sd_ble_gatts_value_set_noescape(C.BLE_CONN_HANDLE_INVALID, c.handle, C.uint16_t(len(p)), unsafe.SliceData(p))
if errCode != 0 {
return 0, Error(errCode)
}