/**
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*******************************************************************************
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* @file gw.c
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* @create 2023-08-01
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* @author Panchip BLE GROUP
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* @note
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* Copyright (c) 2022 Shanghai Panchip Microelectronics Co.,Ltd.
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*
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*******************************************************************************
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*/
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#include "gw.h"
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#include "host/ble_hs.h"
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#include "app_log.h"
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uint16_t gwRxValHandle;
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uint16_t gwTxValHandle;
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static uint8_t gwRxVal[64];
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extern void app_ble_rx(uint16_t connHandle, struct os_mbuf *om);
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__WEAK void app_ble_rx(uint16_t connHandle, struct os_mbuf *om)
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{
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//printf("Rx data 1(handle:%d):\r\n", *ctxt->chr->val_handle);
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//print_data(ctxt->om->om_data, ctxt->om->om_len);
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//memcpy(gwRxVal, ctxt->om->om_data, min(ctxt->om->om_len, sizeof(gwRxVal)));
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}
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int ble_svc_gw_access(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg);
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int ble_svc_gw_dsc_access(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg);
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static const struct ble_gatt_svc_def ble_svc_gw_defs[] =
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{
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/*** GW Service. */
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{
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.type = BLE_GATT_SVC_TYPE_PRIMARY,
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.uuid = BLE_UUID128_DECLARE(BLE_SVC_GW_UUI128),
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.characteristics = (struct ble_gatt_chr_def[])
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{
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/*** GW RX characteristic */
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{
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.uuid = BLE_UUID128_DECLARE(BLE_SVC_GW_CHR_UUID128_RX),
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.access_cb = ble_svc_gw_access,
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.val_handle = (uint16_t *)&gwRxValHandle,
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.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_WRITE_NO_RSP,
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.descriptors = (struct ble_gatt_dsc_def[])
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{
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{
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.uuid = BLE_UUID16_DECLARE(BLE_GATT_USR_DSC_CHR_UUID16),
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.att_flags = BLE_ATT_F_READ,
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.access_cb = ble_svc_gw_access,
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},
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{
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0, /* No more descriptors in this characteristic. */
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}
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}
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},
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/*** GW TX characteristic */
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{
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.uuid = BLE_UUID128_DECLARE(BLE_SVC_GW_CHR_UUID128_TX),
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.access_cb = ble_svc_gw_access,
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.val_handle = (uint16_t *)&gwTxValHandle,
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.flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
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.descriptors = (struct ble_gatt_dsc_def[])
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{
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{
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.uuid = BLE_UUID16_DECLARE(BLE_GATT_USR_DSC_CHR_UUID16),
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.att_flags = BLE_ATT_F_READ,
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.access_cb = ble_svc_gw_access,
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},
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{
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0, /* No more descriptors in this characteristic. */
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}
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}
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},
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/* No more characteristics in this service. */
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{
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0,
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}
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},
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},
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/* No more services. */
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{
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0,
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},
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};
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int ble_svc_gw_access(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
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{
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int rc = 0;
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switch(ctxt->op)
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{
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case BLE_GATT_ACCESS_OP_READ_CHR:
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if(attr_handle == gwRxValHandle) {
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rc = os_mbuf_append(ctxt->om, &gwRxVal[0], sizeof gwRxVal);
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}
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return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
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case BLE_GATT_ACCESS_OP_WRITE_CHR:
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if(attr_handle == gwRxValHandle) {
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app_ble_rx(conn_handle, ctxt->om);
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}
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return 0;
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case BLE_GATT_ACCESS_OP_READ_DSC:
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if(attr_handle == gwRxValHandle+1)
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{
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char *str = "Rx Data";
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os_mbuf_append(ctxt->om, str, strlen(str));
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}
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else if(attr_handle == gwTxValHandle+2)
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{
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char *str = "Tx Data";
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os_mbuf_append(ctxt->om, str, strlen(str));
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}
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break;
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case BLE_GATT_ACCESS_OP_WRITE_DSC:
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return BLE_ATT_ERR_INVALID_PDU;
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default:
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return 0;
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}
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return 0;
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}
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int ble_svc_gw_notify(uint16_t conn_handle, uint8_t *pdata, uint32_t len)
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{
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int rc = 0;
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struct os_mbuf *om = ble_hs_mbuf_from_flat(pdata, len);
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if(om)
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{
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rc = ble_gatts_notify_custom(conn_handle, gwTxValHandle, om);
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}
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else{
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rc = BLE_NPL_ENOMEM;
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}
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return rc;
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}
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int ble_svc_gw_init(void)
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{
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int rc;
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rc = ble_gatts_count_cfg(ble_svc_gw_defs);
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app_assert(rc == 0);
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rc = ble_gatts_add_svcs(ble_svc_gw_defs);
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app_assert(rc == 0);
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return rc;
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}
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