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ch32v20x-examples/EVT/EXAM/BLE/BLE_UART/APP/peripheral.c
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qiyongshuang 9596a13c17 V2.0
2024-02-26 13:22:09 +08:00

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/********************************** (C) COPYRIGHT *******************************
* File Name : peripheral.C
* Author : WCH
* Version : v1.0
* Date : 2020/11/26
* Description :
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/*********************************************************************
* INCLUDES
*/
#include "CONFIG.h"
#include "devinfoservice.h"
#include "gattprofile.h"
#include "peripheral.h"
#include "ble_uart_service.h"
#include "app_drv_fifo.h"
#include "app_uart.h"
/*********************************************************************
* MACROS
*/
/*********************************************************************
* CONSTANTS
*/
// How often to perform periodic event
#define SBP_PERIODIC_EVT_PERIOD 1600
// How often to perform read rssi event
#define SBP_READ_RSSI_EVT_PERIOD 3200
// Parameter update delay
#define SBP_PARAM_UPDATE_DELAY 6400
// What is the advertising interval when device is discoverable (units of 625us, 80=50ms)
#define DEFAULT_ADVERTISING_INTERVAL 160
// Limited discoverable mode advertises for 30.72s, and then stops
// General discoverable mode advertises indefinitely
#define DEFAULT_DISCOVERABLE_MODE GAP_ADTYPE_FLAGS_GENERAL
// Minimum connection interval (units of 1.25ms, 10=12.5ms)
#define DEFAULT_DESIRED_MIN_CONN_INTERVAL 8
// Maximum connection interval (units of 1.25ms, 100=125ms)
#define DEFAULT_DESIRED_MAX_CONN_INTERVAL 20
// Slave latency to use parameter update
#define DEFAULT_DESIRED_SLAVE_LATENCY 0
// Supervision timeout value (units of 10ms, 100=1s)
#define DEFAULT_DESIRED_CONN_TIMEOUT 100
// Company Identifier: WCH
#define WCH_COMPANY_ID 0x07D7
/*********************************************************************
* TYPEDEFS
*/
/*********************************************************************
* GLOBAL VARIABLES
*/
uint8_t Peripheral_TaskID = INVALID_TASK_ID; // Task ID for internal task/event processing
/*********************************************************************
* EXTERNAL VARIABLES
*/
/*********************************************************************
* EXTERNAL FUNCTIONS
*/
/*********************************************************************
* LOCAL VARIABLES
*/
//for send to ble
typedef enum
{
SEND_TO_BLE_TO_SEND = 1,
SEND_TO_BLE_ALLOC_FAILED,
SEND_TO_BLE_SEND_FAILED,
} send_to_ble_state_t;
send_to_ble_state_t send_to_ble_state = SEND_TO_BLE_TO_SEND;
blePaControlConfig_t pa_lna_ctl;
//static uint8_t Peripheral_TaskID = INVALID_TASK_ID; // Task ID for internal task/event processing
// GAP - SCAN RSP data (max size = 31 bytes)
static uint8_t scanRspData[] = {
// complete name
13, // length of this data
GAP_ADTYPE_LOCAL_NAME_COMPLETE,
'w', 'c', 'h', '_', 'b', 'l', 'e', '_', 'u', 'a', 'r', 't',
// connection interval range
0x05, // length of this data
GAP_ADTYPE_SLAVE_CONN_INTERVAL_RANGE,
LO_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL), // 100ms
HI_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL),
LO_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL), // 1s
HI_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL),
// Tx power level
0x02, // length of this data
GAP_ADTYPE_POWER_LEVEL,
0 // 0dBm
};
// GAP - Advertisement data (max size = 31 bytes, though this is
// best kept short to conserve power while advertisting)
static uint8_t advertData[] = {
// Flags; this sets the device to use limited discoverable
// mode (advertises for 30 seconds at a time) instead of general
// discoverable mode (advertises indefinitely)
0x02, // length of this data
GAP_ADTYPE_FLAGS,
DEFAULT_DISCOVERABLE_MODE | GAP_ADTYPE_FLAGS_BREDR_NOT_SUPPORTED,
// service UUID, to notify central devices what services are included
// in this peripheral
0x03, // length of this data
GAP_ADTYPE_16BIT_MORE, // some of the UUID's, but not all
LO_UINT16(SIMPLEPROFILE_SERV_UUID),
HI_UINT16(SIMPLEPROFILE_SERV_UUID)};
// GAP GATT Attributes
static uint8_t attDeviceName[GAP_DEVICE_NAME_LEN] = "ch32v208_ble_uart";
// Connection item list
static peripheralConnItem_t peripheralConnList;
/*********************************************************************
* LOCAL FUNCTIONS
*/
static void Peripheral_ProcessTMOSMsg(tmos_event_hdr_t *pMsg);
static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent);
static void peripheralParamUpdateCB(uint16_t connHandle, uint16_t connInterval,
uint16_t connSlaveLatency, uint16_t connTimeout);
static void peripheralInitConnItem(peripheralConnItem_t *peripheralConnList);
static void peripheralRssiCB(uint16_t connHandle, int8_t rssi);
/*********************************************************************
* PROFILE CALLBACKS
*/
// GAP Role Callbacks
static gapRolesCBs_t Peripheral_PeripheralCBs = {
peripheralStateNotificationCB, // Profile State Change Callbacks
peripheralRssiCB, // When a valid RSSI is read from controller (not used by application)
peripheralParamUpdateCB};
// Broadcast Callbacks
static gapRolesBroadcasterCBs_t Broadcaster_BroadcasterCBs = {
NULL, // Not used in peripheral role
NULL // Receive scan request callback
};
// GAP Bond Manager Callbacks
static gapBondCBs_t Peripheral_BondMgrCBs = {
NULL, // Passcode callback (not used by application)
NULL // Pairing / Bonding state Callback (not used by application)
};
/*********************************************************************
* PUBLIC FUNCTIONS
*/
/*********************************************************************
* @fn Peripheral_Init
*
* @brief Initialization function for the Peripheral App Task.
* This is called during initialization and should contain
* any application specific initialization (ie. hardware
* initialization/setup, table initialization, power up
* notificaiton ... ).
*
* @param task_id - the ID assigned by TMOS. This ID should be
* used to send messages and set timers.
*
* @return none
*/
void Peripheral_Init()
{
Peripheral_TaskID = TMOS_ProcessEventRegister(Peripheral_ProcessEvent);
// Setup the GAP Peripheral Role Profile
{
uint8_t initial_advertising_enable = TRUE;
uint16_t desired_min_interval = 6;
uint16_t desired_max_interval = 1000;
// Set the GAP Role Parameters
GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &initial_advertising_enable);
GAPRole_SetParameter(GAPROLE_SCAN_RSP_DATA, sizeof(scanRspData), scanRspData);
GAPRole_SetParameter(GAPROLE_ADVERT_DATA, sizeof(advertData), advertData);
GAPRole_SetParameter(GAPROLE_MIN_CONN_INTERVAL, sizeof(uint16_t), &desired_min_interval);
GAPRole_SetParameter(GAPROLE_MAX_CONN_INTERVAL, sizeof(uint16_t), &desired_max_interval);
}
// Set advertising interval
{
uint16_t advInt = DEFAULT_ADVERTISING_INTERVAL;
GAP_SetParamValue(TGAP_DISC_ADV_INT_MIN, advInt);
GAP_SetParamValue(TGAP_DISC_ADV_INT_MAX, advInt);
}
// Setup the GAP Bond Manager
{
uint32_t passkey = 0; // passkey "000000"
uint8_t pairMode = GAPBOND_PAIRING_MODE_WAIT_FOR_REQ;
uint8_t mitm = TRUE;
uint8_t bonding = TRUE;
uint8_t ioCap = GAPBOND_IO_CAP_DISPLAY_ONLY;
GAPBondMgr_SetParameter(GAPBOND_PERI_DEFAULT_PASSCODE, sizeof(uint32_t), &passkey);
GAPBondMgr_SetParameter(GAPBOND_PERI_PAIRING_MODE, sizeof(uint8_t), &pairMode);
GAPBondMgr_SetParameter(GAPBOND_PERI_MITM_PROTECTION, sizeof(uint8_t), &mitm);
GAPBondMgr_SetParameter(GAPBOND_PERI_IO_CAPABILITIES, sizeof(uint8_t), &ioCap);
GAPBondMgr_SetParameter(GAPBOND_PERI_BONDING_ENABLED, sizeof(uint8_t), &bonding);
}
// Initialize GATT attributes
GGS_AddService(GATT_ALL_SERVICES); // GAP
GATTServApp_AddService(GATT_ALL_SERVICES); // GATT attributes
DevInfo_AddService(); // Device Information Service
ble_uart_add_service(on_bleuartServiceEvt);
// Set the GAP Characteristics
GGS_SetParameter(GGS_DEVICE_NAME_ATT, sizeof(attDeviceName), attDeviceName);
// Init Connection Item
peripheralInitConnItem(&peripheralConnList);
// Register receive scan request callback
GAPRole_BroadcasterSetCB(&Broadcaster_BroadcasterCBs);
// Setup a delayed profile startup
tmos_set_event(Peripheral_TaskID, SBP_START_DEVICE_EVT);
}
/*********************************************************************
* @fn peripheralInitConnItem
*
* @brief Init Connection Item
*
* @param peripheralConnList -
*
* @return NULL
*/
static void peripheralInitConnItem(peripheralConnItem_t *peripheralConnList)
{
peripheralConnList->connHandle = GAP_CONNHANDLE_INIT;
peripheralConnList->connInterval = 0;
peripheralConnList->connSlaveLatency = 0;
peripheralConnList->connTimeout = 0;
}
uint32_t get_fattime(void)
{
return 0;
}
/*********************************************************************
* @fn Peripheral_ProcessEvent
*
* @brief Peripheral Application Task event processor. This function
* is called to process all events for the task. Events
* include timers, messages and any other user defined events.
*
* @param task_id - The TMOS assigned task ID.
* @param events - events to process. This is a bit map and can
* contain more than one event.
*
* @return events not processed
*/
uint16_t Peripheral_ProcessEvent(uint8_t task_id, uint16_t events)
{
static attHandleValueNoti_t noti;
// VOID task_id; // TMOS required parameter that isn't used in this function
if(events & SYS_EVENT_MSG)
{
uint8_t *pMsg;
if((pMsg = tmos_msg_receive(Peripheral_TaskID)) != NULL)
{
Peripheral_ProcessTMOSMsg((tmos_event_hdr_t *)pMsg);
// Release the TMOS message
tmos_msg_deallocate(pMsg);
}
// return unprocessed events
return (events ^ SYS_EVENT_MSG);
}
if(events & SBP_START_DEVICE_EVT)
{
// Start the Device
GAPRole_PeripheralStartDevice(Peripheral_TaskID, &Peripheral_BondMgrCBs, &Peripheral_PeripheralCBs);
return (events ^ SBP_START_DEVICE_EVT);
}
if(events & SBP_PARAM_UPDATE_EVT)
{
// Send connect param update request
GAPRole_PeripheralConnParamUpdateReq(peripheralConnList.connHandle,
DEFAULT_DESIRED_MIN_CONN_INTERVAL,
DEFAULT_DESIRED_MAX_CONN_INTERVAL,
DEFAULT_DESIRED_SLAVE_LATENCY,
DEFAULT_DESIRED_CONN_TIMEOUT,
Peripheral_TaskID);
// GAPRole_PeripheralConnParamUpdateReq( peripheralConnList.connHandle,
// 10,
// 20,
// 0,
// 400,
// Peripheral_TaskID);
return (events ^ SBP_PARAM_UPDATE_EVT);
}
if(events & UART_TO_BLE_SEND_EVT)
{
static uint16_t read_length = 0;
;
uint8_t result = 0xff;
switch(send_to_ble_state)
{
case SEND_TO_BLE_TO_SEND:
//notify is not enabled
if(!ble_uart_notify_is_ready(peripheralConnList.connHandle))
{
if(peripheralConnList.connHandle == GAP_CONNHANDLE_INIT)
{
//connection lost, flush rx fifo here
app_drv_fifo_flush(&app_uart_rx_fifo);
}
break;
}
read_length = ATT_GetMTU(peripheralConnList.connHandle) - 3;
if(app_drv_fifo_length(&app_uart_rx_fifo) >= read_length)
{
PRINT("FIFO_LEN:%d\r\n", app_drv_fifo_length(&app_uart_rx_fifo));
result = app_drv_fifo_read(&app_uart_rx_fifo, to_test_buffer, &read_length);
uart_to_ble_send_evt_cnt = 0;
}
else
{
if(uart_to_ble_send_evt_cnt > 10)
{
result = app_drv_fifo_read(&app_uart_rx_fifo, to_test_buffer, &read_length);
uart_to_ble_send_evt_cnt = 0;
}
else
{
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 4);
uart_to_ble_send_evt_cnt++;
PRINT("NO TIME OUT\r\n");
}
}
if(APP_DRV_FIFO_RESULT_SUCCESS == result)
{
noti.len = read_length;
noti.pValue = GATT_bm_alloc(peripheralConnList.connHandle, ATT_HANDLE_VALUE_NOTI, noti.len, NULL, 0);
if(noti.pValue != NULL)
{
tmos_memcpy(noti.pValue, to_test_buffer, noti.len);
result = ble_uart_notify(peripheralConnList.connHandle, &noti, 0);
if(result != SUCCESS)
{
PRINT("R1:%02x\r\n", result);
send_to_ble_state = SEND_TO_BLE_SEND_FAILED;
GATT_bm_free((gattMsg_t *)&noti, ATT_HANDLE_VALUE_NOTI);
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
else
{
send_to_ble_state = SEND_TO_BLE_TO_SEND;
//app_fifo_write(&app_uart_tx_fifo,to_test_buffer,&read_length);
//app_drv_fifo_write(&app_uart_tx_fifo,to_test_buffer,&read_length);
read_length = 0;
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
}
else
{
send_to_ble_state = SEND_TO_BLE_ALLOC_FAILED;
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
}
else
{
//send_to_ble_state = SEND_TO_BLE_FIFO_EMPTY;
}
break;
case SEND_TO_BLE_ALLOC_FAILED:
case SEND_TO_BLE_SEND_FAILED:
noti.len = read_length;
noti.pValue = GATT_bm_alloc(peripheralConnList.connHandle, ATT_HANDLE_VALUE_NOTI, noti.len, NULL, 0);
if(noti.pValue != NULL)
{
tmos_memcpy(noti.pValue, to_test_buffer, noti.len);
result = ble_uart_notify(peripheralConnList.connHandle, &noti, 0);
if(result != SUCCESS)
{
PRINT("R2:%02x\r\n", result);
send_to_ble_state = SEND_TO_BLE_SEND_FAILED;
GATT_bm_free((gattMsg_t *)&noti, ATT_HANDLE_VALUE_NOTI);
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
else
{
send_to_ble_state = SEND_TO_BLE_TO_SEND;
//app_drv_fifo_write(&app_uart_tx_fifo,to_test_buffer,&read_length);
read_length = 0;
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
}
else
{
send_to_ble_state = SEND_TO_BLE_ALLOC_FAILED;
tmos_start_task(Peripheral_TaskID, UART_TO_BLE_SEND_EVT, 2);
}
break;
default:
break;
}
return (events ^ UART_TO_BLE_SEND_EVT);
}
// Discard unknown events
return 0;
}
/*********************************************************************
* @fn Peripheral_ProcessTMOSMsg
*
* @brief Process an incoming task message.
*
* @param pMsg - message to process
*
* @return none
*/
static void Peripheral_ProcessTMOSMsg(tmos_event_hdr_t *pMsg)
{
switch(pMsg->event)
{
default:
break;
}
}
/*********************************************************************
* @fn Peripheral_LinkEstablished
*
* @brief Process link established.
*
* @param pEvent - event to process
*
* @return none
*/
static void Peripheral_LinkEstablished(gapRoleEvent_t *pEvent)
{
gapEstLinkReqEvent_t *event = (gapEstLinkReqEvent_t *)pEvent;
// See if already connected
if(peripheralConnList.connHandle != GAP_CONNHANDLE_INIT)
{
GAPRole_TerminateLink(pEvent->linkCmpl.connectionHandle);
PRINT("Connection max...\n");
}
else
{
peripheralConnList.connHandle = event->connectionHandle;
peripheralConnList.connInterval = event->connInterval;
peripheralConnList.connSlaveLatency = event->connLatency;
peripheralConnList.connTimeout = event->connTimeout;
// Set timer for param update event
tmos_start_task(Peripheral_TaskID, SBP_PARAM_UPDATE_EVT, SBP_PARAM_UPDATE_DELAY);
PRINT("Conn %x - Int %x \n", event->connectionHandle, event->connInterval);
}
}
/*********************************************************************
* @fn Peripheral_LinkTerminated
*
* @brief Process link terminated.
*
* @param pEvent - event to process
*
* @return none
*/
static void Peripheral_LinkTerminated(gapRoleEvent_t *pEvent)
{
gapTerminateLinkEvent_t *event = (gapTerminateLinkEvent_t *)pEvent;
if(event->connectionHandle == peripheralConnList.connHandle)
{
peripheralConnList.connHandle = GAP_CONNHANDLE_INIT;
peripheralConnList.connInterval = 0;
peripheralConnList.connSlaveLatency = 0;
peripheralConnList.connTimeout = 0;
// Restart advertising
{
uint8_t advertising_enable = TRUE;
GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &advertising_enable);
}
}
else
{
PRINT("ERR..\n");
}
}
/*********************************************************************
* @fn peripheralRssiCB
*
* @brief RSSI callback.
*
* @param connHandle - connection handle
* @param rssi - RSSI
*
* @return none
*/
static void peripheralRssiCB(uint16_t connHandle, int8_t rssi)
{
PRINT("RSSI -%d dB Conn %x \n", -rssi, connHandle);
}
/*********************************************************************
* @fn peripheralParamUpdateCB
*
* @brief Parameter update complete callback
*
* @param connHandle - connect handle
* connInterval - connect interval
* connSlaveLatency - connect slave latency
* connTimeout - connect timeout
*
* @return none
*/
static void peripheralParamUpdateCB(uint16_t connHandle, uint16_t connInterval,
uint16_t connSlaveLatency, uint16_t connTimeout)
{
if(connHandle == peripheralConnList.connHandle)
{
peripheralConnList.connInterval = connInterval;
peripheralConnList.connSlaveLatency = connSlaveLatency;
peripheralConnList.connTimeout = connTimeout;
PRINT("Update %x - Int %x \n", connHandle, connInterval);
}
else
{
PRINT("peripheralParamUpdateCB err..\n");
}
}
/*********************************************************************
* @fn peripheralStateNotificationCB
*
* @brief Notification from the profile of a state change.
*
* @param newState - new state
*
* @return none
*/
static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent)
{
switch(newState & GAPROLE_STATE_ADV_MASK)
{
case GAPROLE_STARTED:
PRINT("Initialized..\n");
break;
case GAPROLE_ADVERTISING:
if(pEvent->gap.opcode == GAP_LINK_TERMINATED_EVENT)
{
Peripheral_LinkTerminated(pEvent);
}
PRINT("Advertising..\n");
break;
case GAPROLE_CONNECTED:
if(pEvent->gap.opcode == GAP_LINK_ESTABLISHED_EVENT)
{
Peripheral_LinkEstablished(pEvent);
PRINT("Connected..\n");
}
break;
case GAPROLE_CONNECTED_ADV:
PRINT("Connected Advertising..\n");
break;
case GAPROLE_WAITING:
if(pEvent->gap.opcode == GAP_END_DISCOVERABLE_DONE_EVENT)
{
PRINT("Waiting for advertising..\n");
}
else if(pEvent->gap.opcode == GAP_LINK_TERMINATED_EVENT)
{
Peripheral_LinkTerminated(pEvent);
PRINT("Disconnected.. Reason:%x\n", pEvent->linkTerminate.reason);
}
else if(pEvent->gap.opcode == GAP_LINK_ESTABLISHED_EVENT)
{
if(pEvent->gap.hdr.status != SUCCESS)
{
PRINT("Waiting for advertising..\n");
}
else
{
PRINT("Error..\n");
}
}
else
{
PRINT("Error..%x\n", pEvent->gap.opcode);
}
break;
case GAPROLE_ERROR:
PRINT("Error..\n");
break;
default:
break;
}
}
/*********************************************************************
*********************************************************************/
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