unleashed-firmware/firmware/targets/f7/ble_glue/hw_ipcc.c

/**
 ******************************************************************************
  * File Name          : Target/hw_ipcc.c
  * Description        : Hardware IPCC source file for STM32WPAN Middleware.
  *
 ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "app_common.h"
#include "mbox_def.h"

/* Global variables ---------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
#define HW_IPCC_TX_PENDING(channel) \
    (!(LL_C1_IPCC_IsActiveFlag_CHx(IPCC, channel))) && (((~(IPCC->C1MR)) & (channel << 16U)))
#define HW_IPCC_RX_PENDING(channel) \
    (LL_C2_IPCC_IsActiveFlag_CHx(IPCC, channel)) && (((~(IPCC->C1MR)) & (channel << 0U)))

/* Private macros ------------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static void (*FreeBufCb)(void);

/* Private function prototypes -----------------------------------------------*/
static void HW_IPCC_BLE_EvtHandler(void);
static void HW_IPCC_BLE_AclDataEvtHandler(void);
static void HW_IPCC_MM_FreeBufHandler(void);
static void HW_IPCC_SYS_CmdEvtHandler(void);
static void HW_IPCC_SYS_EvtHandler(void);
static void HW_IPCC_TRACES_EvtHandler(void);

#ifdef THREAD_WB
static void HW_IPCC_OT_CmdEvtHandler(void);
static void HW_IPCC_THREAD_NotEvtHandler(void);
static void HW_IPCC_THREAD_CliNotEvtHandler(void);
#endif

#ifdef LLD_TESTS_WB
static void HW_IPCC_LLDTESTS_ReceiveCliRspHandler(void);
static void HW_IPCC_LLDTESTS_ReceiveM0CmdHandler(void);
#endif
#ifdef LLD_BLE_WB
/*static void HW_IPCC_LLD_BLE_ReceiveCliRspHandler( void );*/
static void HW_IPCC_LLD_BLE_ReceiveRspHandler(void);
static void HW_IPCC_LLD_BLE_ReceiveM0CmdHandler(void);
#endif

#ifdef MAC_802_15_4_WB
static void HW_IPCC_MAC_802_15_4_CmdEvtHandler(void);
static void HW_IPCC_MAC_802_15_4_NotEvtHandler(void);
#endif

#ifdef ZIGBEE_WB
static void HW_IPCC_ZIGBEE_CmdEvtHandler(void);
static void HW_IPCC_ZIGBEE_StackNotifEvtHandler(void);
static void HW_IPCC_ZIGBEE_StackM0RequestHandler(void);
#endif

/* Public function definition -----------------------------------------------*/

/******************************************************************************
 * INTERRUPT HANDLER
 ******************************************************************************/
void HW_IPCC_Rx_Handler(void) {
    if(HW_IPCC_RX_PENDING(HW_IPCC_SYSTEM_EVENT_CHANNEL)) {
        HW_IPCC_SYS_EvtHandler();
    }
#ifdef MAC_802_15_4_WB
    else if(HW_IPCC_RX_PENDING(HW_IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL)) {
        HW_IPCC_MAC_802_15_4_NotEvtHandler();
    }
#endif /* MAC_802_15_4_WB */
#ifdef THREAD_WB
    else if(HW_IPCC_RX_PENDING(HW_IPCC_THREAD_NOTIFICATION_ACK_CHANNEL)) {
        HW_IPCC_THREAD_NotEvtHandler();
    } else if(HW_IPCC_RX_PENDING(HW_IPCC_THREAD_CLI_NOTIFICATION_ACK_CHANNEL)) {
        HW_IPCC_THREAD_CliNotEvtHandler();
    }
#endif /* THREAD_WB */
#ifdef LLD_TESTS_WB
    else if(HW_IPCC_RX_PENDING(HW_IPCC_LLDTESTS_CLI_RSP_CHANNEL)) {
        HW_IPCC_LLDTESTS_ReceiveCliRspHandler();
    } else if(HW_IPCC_RX_PENDING(HW_IPCC_LLDTESTS_M0_CMD_CHANNEL)) {
        HW_IPCC_LLDTESTS_ReceiveM0CmdHandler();
    }
#endif /* LLD_TESTS_WB */
#ifdef LLD_BLE_WB
    else if(HW_IPCC_RX_PENDING(HW_IPCC_LLD_BLE_RSP_CHANNEL)) {
        HW_IPCC_LLD_BLE_ReceiveRspHandler();
    } else if(HW_IPCC_RX_PENDING(HW_IPCC_LLD_BLE_M0_CMD_CHANNEL)) {
        HW_IPCC_LLD_BLE_ReceiveM0CmdHandler();
    }
#endif /* LLD_TESTS_WB */
#ifdef ZIGBEE_WB
    else if(HW_IPCC_RX_PENDING(HW_IPCC_ZIGBEE_APPLI_NOTIF_ACK_CHANNEL)) {
        HW_IPCC_ZIGBEE_StackNotifEvtHandler();
    } else if(HW_IPCC_RX_PENDING(HW_IPCC_ZIGBEE_M0_REQUEST_CHANNEL)) {
        HW_IPCC_ZIGBEE_StackM0RequestHandler();
    }
#endif /* ZIGBEE_WB */
    else if(HW_IPCC_RX_PENDING(HW_IPCC_BLE_EVENT_CHANNEL)) {
        HW_IPCC_BLE_EvtHandler();
    } else if(HW_IPCC_RX_PENDING(HW_IPCC_TRACES_CHANNEL)) {
        HW_IPCC_TRACES_EvtHandler();
    }

    return;
}

void HW_IPCC_Tx_Handler(void) {
    if(HW_IPCC_TX_PENDING(HW_IPCC_SYSTEM_CMD_RSP_CHANNEL)) {
        HW_IPCC_SYS_CmdEvtHandler();
    }
#ifdef MAC_802_15_4_WB
    else if(HW_IPCC_TX_PENDING(HW_IPCC_MAC_802_15_4_CMD_RSP_CHANNEL)) {
        HW_IPCC_MAC_802_15_4_CmdEvtHandler();
    }
#endif /* MAC_802_15_4_WB */
#ifdef THREAD_WB
    else if(HW_IPCC_TX_PENDING(HW_IPCC_THREAD_OT_CMD_RSP_CHANNEL)) {
        HW_IPCC_OT_CmdEvtHandler();
    }
#endif /* THREAD_WB */
#ifdef LLD_TESTS_WB
// No TX handler for LLD tests
#endif /* LLD_TESTS_WB */
#ifdef ZIGBEE_WB
    if(HW_IPCC_TX_PENDING(HW_IPCC_ZIGBEE_CMD_APPLI_CHANNEL)) {
        HW_IPCC_ZIGBEE_CmdEvtHandler();
    }
#endif /* ZIGBEE_WB */
    else if(HW_IPCC_TX_PENDING(HW_IPCC_SYSTEM_CMD_RSP_CHANNEL)) {
        HW_IPCC_SYS_CmdEvtHandler();
    } else if(HW_IPCC_TX_PENDING(HW_IPCC_MM_RELEASE_BUFFER_CHANNEL)) {
        HW_IPCC_MM_FreeBufHandler();
    } else if(HW_IPCC_TX_PENDING(HW_IPCC_HCI_ACL_DATA_CHANNEL)) {
        HW_IPCC_BLE_AclDataEvtHandler();
    }

    return;
}
/******************************************************************************
 * GENERAL
 ******************************************************************************/
void HW_IPCC_Enable(void) {
    /**
  * Such as IPCC IP available to the CPU2, it is required to keep the IPCC clock running
    when FUS is running on CPU2 and CPU1 enters deep sleep mode
  */
    /**
   * When the device is out of standby, it is required to use the EXTI mechanism to wakeup CPU2
   */
    LL_C2_EXTI_EnableEvent_32_63(LL_EXTI_LINE_41);
    LL_EXTI_EnableRisingTrig_32_63(LL_EXTI_LINE_41);

    /**
   * In case the SBSFU is implemented, it may have already set the C2BOOT bit to startup the CPU2.
   * In that case, to keep the mechanism transparent to the user application, it shall call the system command
   * SHCI_C2_Reinit( ) before jumping to the application.
   * When the CPU2 receives that command, it waits for its event input to be set to restart the CPU2 firmware.
   * This is required because once C2BOOT has been set once, a clear/set on C2BOOT has no effect.
   * When SHCI_C2_Reinit( ) is not called, generating an event to the CPU2 does not have any effect
   * So, by default, the application shall both set the event flag and set the C2BOOT bit.
   */
    __SEV(); /* Set the internal event flag and send an event to the CPU2 */
    __WFE(); /* Clear the internal event flag */
    LL_PWR_EnableBootC2();

    return;
}

void HW_IPCC_Init(void) {
    LL_C1_IPCC_EnableIT_RXO(IPCC);
    LL_C1_IPCC_EnableIT_TXF(IPCC);

    HAL_NVIC_SetPriority(IPCC_C1_RX_IRQn, 6, 0);
    HAL_NVIC_EnableIRQ(IPCC_C1_RX_IRQn);
    HAL_NVIC_SetPriority(IPCC_C1_TX_IRQn, 6, 0);
    HAL_NVIC_EnableIRQ(IPCC_C1_TX_IRQn);

    return;
}

/******************************************************************************
 * BLE
 ******************************************************************************/
void HW_IPCC_BLE_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_BLE_EVENT_CHANNEL);

    return;
}

void HW_IPCC_BLE_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_BLE_CMD_CHANNEL);

    return;
}

static void HW_IPCC_BLE_EvtHandler(void) {
    HW_IPCC_BLE_RxEvtNot();

    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_BLE_EVENT_CHANNEL);

    return;
}

void HW_IPCC_BLE_SendAclData(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL);
    LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL);

    return;
}

static void HW_IPCC_BLE_AclDataEvtHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL);

    HW_IPCC_BLE_AclDataAckNot();

    return;
}

__weak void HW_IPCC_BLE_AclDataAckNot(void){};
__weak void HW_IPCC_BLE_RxEvtNot(void){};

/******************************************************************************
 * SYSTEM
 ******************************************************************************/
void HW_IPCC_SYS_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_SYSTEM_EVENT_CHANNEL);

    return;
}

void HW_IPCC_SYS_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL);
    LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL);

    return;
}

static void HW_IPCC_SYS_CmdEvtHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL);

    HW_IPCC_SYS_CmdEvtNot();

    return;
}

static void HW_IPCC_SYS_EvtHandler(void) {
    HW_IPCC_SYS_EvtNot();

    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_SYSTEM_EVENT_CHANNEL);

    return;
}

__weak void HW_IPCC_SYS_CmdEvtNot(void){};
__weak void HW_IPCC_SYS_EvtNot(void){};

/******************************************************************************
 * MAC 802.15.4
 ******************************************************************************/
#ifdef MAC_802_15_4_WB
void HW_IPCC_MAC_802_15_4_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL);

    return;
}

void HW_IPCC_MAC_802_15_4_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_MAC_802_15_4_CMD_RSP_CHANNEL);
    LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_MAC_802_15_4_CMD_RSP_CHANNEL);

    return;
}

void HW_IPCC_MAC_802_15_4_SendAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL);

    return;
}

static void HW_IPCC_MAC_802_15_4_CmdEvtHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_MAC_802_15_4_CMD_RSP_CHANNEL);

    HW_IPCC_MAC_802_15_4_CmdEvtNot();

    return;
}

static void HW_IPCC_MAC_802_15_4_NotEvtHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL);

    HW_IPCC_MAC_802_15_4_EvtNot();

    return;
}
__weak void HW_IPCC_MAC_802_15_4_CmdEvtNot(void){};
__weak void HW_IPCC_MAC_802_15_4_EvtNot(void){};
#endif

/******************************************************************************
 * THREAD
 ******************************************************************************/
#ifdef THREAD_WB
void HW_IPCC_THREAD_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_THREAD_NOTIFICATION_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_THREAD_CLI_NOTIFICATION_ACK_CHANNEL);

    return;
}

void HW_IPCC_OT_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_THREAD_OT_CMD_RSP_CHANNEL);
    LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_THREAD_OT_CMD_RSP_CHANNEL);

    return;
}

void HW_IPCC_CLI_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_THREAD_CLI_CMD_CHANNEL);

    return;
}

void HW_IPCC_THREAD_SendAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_THREAD_NOTIFICATION_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_THREAD_NOTIFICATION_ACK_CHANNEL);

    return;
}

void HW_IPCC_THREAD_CliSendAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_THREAD_CLI_NOTIFICATION_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_THREAD_CLI_NOTIFICATION_ACK_CHANNEL);

    return;
}

static void HW_IPCC_OT_CmdEvtHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_THREAD_OT_CMD_RSP_CHANNEL);

    HW_IPCC_OT_CmdEvtNot();

    return;
}

static void HW_IPCC_THREAD_NotEvtHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_THREAD_NOTIFICATION_ACK_CHANNEL);

    HW_IPCC_THREAD_EvtNot();

    return;
}

static void HW_IPCC_THREAD_CliNotEvtHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_THREAD_CLI_NOTIFICATION_ACK_CHANNEL);

    HW_IPCC_THREAD_CliEvtNot();

    return;
}

__weak void HW_IPCC_OT_CmdEvtNot(void){};
__weak void HW_IPCC_CLI_CmdEvtNot(void){};
__weak void HW_IPCC_THREAD_EvtNot(void){};

#endif /* THREAD_WB */

/******************************************************************************
 * LLD TESTS
 ******************************************************************************/
#ifdef LLD_TESTS_WB
void HW_IPCC_LLDTESTS_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_CLI_RSP_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_M0_CMD_CHANNEL);
    return;
}

void HW_IPCC_LLDTESTS_SendCliCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_LLDTESTS_CLI_CMD_CHANNEL);
    return;
}

static void HW_IPCC_LLDTESTS_ReceiveCliRspHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_CLI_RSP_CHANNEL);
    HW_IPCC_LLDTESTS_ReceiveCliRsp();
    return;
}

void HW_IPCC_LLDTESTS_SendCliRspAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_LLDTESTS_CLI_RSP_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_CLI_RSP_CHANNEL);
    return;
}

static void HW_IPCC_LLDTESTS_ReceiveM0CmdHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_M0_CMD_CHANNEL);
    HW_IPCC_LLDTESTS_ReceiveM0Cmd();
    return;
}

void HW_IPCC_LLDTESTS_SendM0CmdAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_LLDTESTS_M0_CMD_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLDTESTS_M0_CMD_CHANNEL);
    return;
}
__weak void HW_IPCC_LLDTESTS_ReceiveCliRsp(void){};
__weak void HW_IPCC_LLDTESTS_ReceiveM0Cmd(void){};
#endif /* LLD_TESTS_WB */

/******************************************************************************
 * LLD BLE
 ******************************************************************************/
#ifdef LLD_BLE_WB
void HW_IPCC_LLD_BLE_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLD_BLE_RSP_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLD_BLE_M0_CMD_CHANNEL);
    return;
}

void HW_IPCC_LLD_BLE_SendCliCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_LLD_BLE_CLI_CMD_CHANNEL);
    return;
}

/*static void HW_IPCC_LLD_BLE_ReceiveCliRspHandler( void )
{
  LL_C1_IPCC_DisableReceiveChannel( IPCC, HW_IPCC_LLD_BLE_CLI_RSP_CHANNEL );
  HW_IPCC_LLD_BLE_ReceiveCliRsp();
  return;
}*/

void HW_IPCC_LLD_BLE_SendCliRspAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_LLD_BLE_CLI_RSP_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLD_BLE_CLI_RSP_CHANNEL);
    return;
}

static void HW_IPCC_LLD_BLE_ReceiveM0CmdHandler(void) {
    //LL_C1_IPCC_DisableReceiveChannel( IPCC, HW_IPCC_LLD_BLE_M0_CMD_CHANNEL );
    HW_IPCC_LLD_BLE_ReceiveM0Cmd();
    return;
}

void HW_IPCC_LLD_BLE_SendM0CmdAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_LLD_BLE_M0_CMD_CHANNEL);
    //LL_C1_IPCC_EnableReceiveChannel( IPCC, HW_IPCC_LLD_BLE_M0_CMD_CHANNEL );
    return;
}
__weak void HW_IPCC_LLD_BLE_ReceiveCliRsp(void){};
__weak void HW_IPCC_LLD_BLE_ReceiveM0Cmd(void){};

/* Transparent Mode */
void HW_IPCC_LLD_BLE_SendCmd(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_LLD_BLE_CMD_CHANNEL);
    return;
}

static void HW_IPCC_LLD_BLE_ReceiveRspHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_LLD_BLE_RSP_CHANNEL);
    HW_IPCC_LLD_BLE_ReceiveRsp();
    return;
}

void HW_IPCC_LLD_BLE_SendRspAck(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_LLD_BLE_RSP_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_LLD_BLE_RSP_CHANNEL);
    return;
}

#endif /* LLD_BLE_WB */

/******************************************************************************
 * ZIGBEE
 ******************************************************************************/
#ifdef ZIGBEE_WB
void HW_IPCC_ZIGBEE_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_APPLI_NOTIF_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_M0_REQUEST_CHANNEL);

    return;
}

void HW_IPCC_ZIGBEE_SendM4RequestToM0(void) {
    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_ZIGBEE_CMD_APPLI_CHANNEL);
    LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_ZIGBEE_CMD_APPLI_CHANNEL);

    return;
}

void HW_IPCC_ZIGBEE_SendM4AckToM0Notify(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_ZIGBEE_APPLI_NOTIF_ACK_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_APPLI_NOTIF_ACK_CHANNEL);

    return;
}

static void HW_IPCC_ZIGBEE_CmdEvtHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_ZIGBEE_CMD_APPLI_CHANNEL);

    HW_IPCC_ZIGBEE_RecvAppliAckFromM0();

    return;
}

static void HW_IPCC_ZIGBEE_StackNotifEvtHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_APPLI_NOTIF_ACK_CHANNEL);

    HW_IPCC_ZIGBEE_RecvM0NotifyToM4();

    return;
}

static void HW_IPCC_ZIGBEE_StackM0RequestHandler(void) {
    LL_C1_IPCC_DisableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_M0_REQUEST_CHANNEL);

    HW_IPCC_ZIGBEE_RecvM0RequestToM4();

    return;
}

void HW_IPCC_ZIGBEE_SendM4AckToM0Request(void) {
    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_ZIGBEE_M0_REQUEST_CHANNEL);
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_ZIGBEE_M0_REQUEST_CHANNEL);

    return;
}

__weak void HW_IPCC_ZIGBEE_RecvAppliAckFromM0(void){};
__weak void HW_IPCC_ZIGBEE_RecvM0NotifyToM4(void){};
__weak void HW_IPCC_ZIGBEE_RecvM0RequestToM4(void){};
#endif /* ZIGBEE_WB */

/******************************************************************************
 * MEMORY MANAGER
 ******************************************************************************/
void HW_IPCC_MM_SendFreeBuf(void (*cb)(void)) {
    if(LL_C1_IPCC_IsActiveFlag_CHx(IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL)) {
        FreeBufCb = cb;
        LL_C1_IPCC_EnableTransmitChannel(IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL);
    } else {
        cb();

        LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL);
    }

    return;
}

static void HW_IPCC_MM_FreeBufHandler(void) {
    LL_C1_IPCC_DisableTransmitChannel(IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL);

    FreeBufCb();

    LL_C1_IPCC_SetFlag_CHx(IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL);

    return;
}

/******************************************************************************
 * TRACES
 ******************************************************************************/
void HW_IPCC_TRACES_Init(void) {
    LL_C1_IPCC_EnableReceiveChannel(IPCC, HW_IPCC_TRACES_CHANNEL);

    return;
}

static void HW_IPCC_TRACES_EvtHandler(void) {
    HW_IPCC_TRACES_EvtNot();

    LL_C1_IPCC_ClearFlag_CHx(IPCC, HW_IPCC_TRACES_CHANNEL);

    return;
}

__weak void HW_IPCC_TRACES_EvtNot(void){};

/******************* (C) COPYRIGHT 2019 STMicroelectronics *****END OF FILE****/