264 lines
7.6 KiB
C
264 lines
7.6 KiB
C
/**
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******************************************************************************
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* File Name : Target/hw_ipcc.c
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* Description : Hardware IPCC source file for STM32WPAN Middleware.
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "app_common.h"
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#include "mbox_def.h"
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/* Global variables ---------------------------------------------------------*/
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/* Private defines -----------------------------------------------------------*/
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#define HW_IPCC_TX_PENDING( channel ) ( !(LL_C1_IPCC_IsActiveFlag_CHx( IPCC, channel )) ) && (((~(IPCC->C1MR)) & (channel << 16U)))
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#define HW_IPCC_RX_PENDING( channel ) (LL_C2_IPCC_IsActiveFlag_CHx( IPCC, channel )) && (((~(IPCC->C1MR)) & (channel << 0U)))
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/* Private macros ------------------------------------------------------------*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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static void (*FreeBufCb)( void );
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/* Private function prototypes -----------------------------------------------*/
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static void HW_IPCC_BLE_EvtHandler( void );
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static void HW_IPCC_BLE_AclDataEvtHandler( void );
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static void HW_IPCC_MM_FreeBufHandler( void );
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static void HW_IPCC_SYS_CmdEvtHandler( void );
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static void HW_IPCC_SYS_EvtHandler( void );
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static void HW_IPCC_TRACES_EvtHandler( void );
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/* Public function definition -----------------------------------------------*/
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/******************************************************************************
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* INTERRUPT HANDLER
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******************************************************************************/
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void HW_IPCC_Rx_Handler( void )
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{
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if (HW_IPCC_RX_PENDING( HW_IPCC_SYSTEM_EVENT_CHANNEL ))
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{
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HW_IPCC_SYS_EvtHandler();
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}
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else if (HW_IPCC_RX_PENDING( HW_IPCC_BLE_EVENT_CHANNEL ))
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{
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HW_IPCC_BLE_EvtHandler();
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}
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else if (HW_IPCC_RX_PENDING( HW_IPCC_TRACES_CHANNEL ))
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{
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HW_IPCC_TRACES_EvtHandler();
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}
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return;
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}
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void HW_IPCC_Tx_Handler( void )
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{
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if (HW_IPCC_TX_PENDING( HW_IPCC_SYSTEM_CMD_RSP_CHANNEL ))
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{
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HW_IPCC_SYS_CmdEvtHandler();
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}
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else if (HW_IPCC_TX_PENDING( HW_IPCC_SYSTEM_CMD_RSP_CHANNEL ))
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{
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HW_IPCC_SYS_CmdEvtHandler();
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}
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else if (HW_IPCC_TX_PENDING( HW_IPCC_MM_RELEASE_BUFFER_CHANNEL ))
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{
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HW_IPCC_MM_FreeBufHandler();
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}
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else if (HW_IPCC_TX_PENDING( HW_IPCC_HCI_ACL_DATA_CHANNEL ))
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{
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HW_IPCC_BLE_AclDataEvtHandler();
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}
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return;
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}
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/******************************************************************************
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* GENERAL
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******************************************************************************/
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void HW_IPCC_Enable( void )
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{
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/**
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* When the device is out of standby, it is required to use the EXTI mechanism to wakeup CPU2
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*/
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LL_C2_EXTI_EnableEvent_32_63( LL_EXTI_LINE_41 );
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LL_EXTI_EnableRisingTrig_32_63( LL_EXTI_LINE_41 );
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/**
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* In case the SBSFU is implemented, it may have already set the C2BOOT bit to startup the CPU2.
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* In that case, to keep the mechanism transparent to the user application, it shall call the system command
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* SHCI_C2_Reinit( ) before jumping to the application.
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* When the CPU2 receives that command, it waits for its event input to be set to restart the CPU2 firmware.
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* This is required because once C2BOOT has been set once, a clear/set on C2BOOT has no effect.
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* When SHCI_C2_Reinit( ) is not called, generating an event to the CPU2 does not have any effect
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* So, by default, the application shall both set the event flag and set the C2BOOT bit.
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*/
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__SEV( ); /* Set the internal event flag and send an event to the CPU2 */
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__WFE( ); /* Clear the internal event flag */
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LL_PWR_EnableBootC2( );
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return;
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}
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void HW_IPCC_Init( void )
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{
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LL_AHB3_GRP1_EnableClock( LL_AHB3_GRP1_PERIPH_IPCC );
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LL_C1_IPCC_EnableIT_RXO( IPCC );
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LL_C1_IPCC_EnableIT_TXF( IPCC );
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HAL_NVIC_EnableIRQ(IPCC_C1_RX_IRQn);
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HAL_NVIC_EnableIRQ(IPCC_C1_TX_IRQn);
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return;
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}
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/******************************************************************************
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* BLE
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******************************************************************************/
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void HW_IPCC_BLE_Init( void )
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{
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LL_C1_IPCC_EnableReceiveChannel( IPCC, HW_IPCC_BLE_EVENT_CHANNEL );
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return;
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}
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void HW_IPCC_BLE_SendCmd( void )
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{
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LL_C1_IPCC_SetFlag_CHx( IPCC, HW_IPCC_BLE_CMD_CHANNEL );
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return;
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}
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static void HW_IPCC_BLE_EvtHandler( void )
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{
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HW_IPCC_BLE_RxEvtNot();
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LL_C1_IPCC_ClearFlag_CHx( IPCC, HW_IPCC_BLE_EVENT_CHANNEL );
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return;
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}
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void HW_IPCC_BLE_SendAclData( void )
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{
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LL_C1_IPCC_SetFlag_CHx( IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL );
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LL_C1_IPCC_EnableTransmitChannel( IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL );
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return;
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}
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static void HW_IPCC_BLE_AclDataEvtHandler( void )
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{
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LL_C1_IPCC_DisableTransmitChannel( IPCC, HW_IPCC_HCI_ACL_DATA_CHANNEL );
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HW_IPCC_BLE_AclDataAckNot();
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return;
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}
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__weak void HW_IPCC_BLE_AclDataAckNot( void ){};
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__weak void HW_IPCC_BLE_RxEvtNot( void ){};
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/******************************************************************************
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* SYSTEM
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******************************************************************************/
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void HW_IPCC_SYS_Init( void )
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{
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LL_C1_IPCC_EnableReceiveChannel( IPCC, HW_IPCC_SYSTEM_EVENT_CHANNEL );
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return;
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}
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void HW_IPCC_SYS_SendCmd( void )
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{
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LL_C1_IPCC_SetFlag_CHx( IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL );
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LL_C1_IPCC_EnableTransmitChannel( IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL );
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return;
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}
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static void HW_IPCC_SYS_CmdEvtHandler( void )
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{
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LL_C1_IPCC_DisableTransmitChannel( IPCC, HW_IPCC_SYSTEM_CMD_RSP_CHANNEL );
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HW_IPCC_SYS_CmdEvtNot();
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return;
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}
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static void HW_IPCC_SYS_EvtHandler( void )
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{
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HW_IPCC_SYS_EvtNot();
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LL_C1_IPCC_ClearFlag_CHx( IPCC, HW_IPCC_SYSTEM_EVENT_CHANNEL );
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return;
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}
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__weak void HW_IPCC_SYS_CmdEvtNot( void ){};
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__weak void HW_IPCC_SYS_EvtNot( void ){};
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/******************************************************************************
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* MEMORY MANAGER
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******************************************************************************/
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void HW_IPCC_MM_SendFreeBuf( void (*cb)( void ) )
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{
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if ( LL_C1_IPCC_IsActiveFlag_CHx( IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL ) )
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{
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FreeBufCb = cb;
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LL_C1_IPCC_EnableTransmitChannel( IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL );
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}
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else
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{
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cb();
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LL_C1_IPCC_SetFlag_CHx( IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL );
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}
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return;
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}
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static void HW_IPCC_MM_FreeBufHandler( void )
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{
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LL_C1_IPCC_DisableTransmitChannel( IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL );
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FreeBufCb();
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LL_C1_IPCC_SetFlag_CHx( IPCC, HW_IPCC_MM_RELEASE_BUFFER_CHANNEL );
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return;
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}
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/******************************************************************************
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* TRACES
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******************************************************************************/
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void HW_IPCC_TRACES_Init( void )
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{
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LL_C1_IPCC_EnableReceiveChannel( IPCC, HW_IPCC_TRACES_CHANNEL );
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return;
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}
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static void HW_IPCC_TRACES_EvtHandler( void )
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{
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HW_IPCC_TRACES_EvtNot();
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LL_C1_IPCC_ClearFlag_CHx( IPCC, HW_IPCC_TRACES_CHANNEL );
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return;
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}
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__weak void HW_IPCC_TRACES_EvtNot( void ){};
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/******************* (C) COPYRIGHT 2019 STMicroelectronics *****END OF FILE****/
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