app_PBV_interface.c

 
#include "config/comms_config.h"
#include "app_PBV_interface.h"
#include "app_PBV_config.h"
 
 
extern const APP_PBV_INTF_API_t APP_PBV_FUNCS;
 
 
static PBV_Datatype_TX_t * App_System_To_PBV_Ptr;
 
 
 
static PBV_Datatype_RX_t * App_PBV_To_System_Ptr;
 
 
static PBV_Datatype_TX_t * App_System_To_PBV_ASCII_Ptr;
 
 
void PBV_Change_from_Sixteen_to_Eight(uint16_t * sixteenPtr, uint8_t * eightPtr, uint16_t length)
{
    for (uint16_t i = 0, j = 0; i < (length * 2); i = i + 2, j++)
    {
        eightPtr[i] = (uint8_t) (sixteenPtr[j] >> 8);
        eightPtr[i + 1] = (uint8_t) (sixteenPtr[j] & 0x00FF);
    }
}
 
 
void PBV_Change_from_Eight_to_Sixteen(uint8_t * eightPtr, uint16_t * sixteenPtr, uint16_t length)
{
    uint8_t length_odd = (uint8_t) (length & 0x01);
    uint16_t length_t;
    
    uint16_t i, j;
    
    if (length_odd)
        length_t = (length & 0xFFFE);
    else
        length_t = length;
    
    for (i = 0, j = 0; i < length_t; i = i + 2, j++)
    {
        sixteenPtr[j] = ((uint16_t) (eightPtr[i] << 8)) + eightPtr[i + 1];
    }    
    if (length_odd)
        sixteenPtr[++j] = ((uint16_t) (eightPtr[length-1] << 8));
 
}
 
 
void app_PBV_Init(PBV_Datatype_TX_t * Board_To_PBV, PBV_Datatype_TX_t * Board_To_PBVAscii, PBV_Datatype_RX_t *PBV_To_Board)
{
    App_System_To_PBV_Ptr = Board_To_PBV;
    App_System_To_PBV_ASCII_Ptr = Board_To_PBVAscii;
    App_PBV_To_System_Ptr = PBV_To_Board;
 
    APP_PBV_FUNCS.init(App_System_To_PBV_Ptr, App_System_To_PBV_ASCII_Ptr, PBV_To_Board);
}
 
 
void app_PBV_Re_Init(PBV_Datatype_TX_t * ptr)
{
    // experiment with reassigning the protocol IDs in runtime to CAN objects.
    // or changing DLCs...
    APP_PBV_FUNCS.reinit(ptr);
}
 
 
void app_Receive_From_PBV(PBV_Datatype_RX_t * ptr)
{
    if (ptr->PBV_Message_State !=PBV_STATE_RECEIVING)
        ptr->PBV_Message_State = PBV_MESSAGE_READY_TO_RECEIVE;
}
 
 
void app_Send_To_PBV(PBV_Datatype_TX_t * ptr)
{
    if (ptr->PBV_Message_State == PBV_MESSAGE_INIT
            ||
        ptr->PBV_Message_State == PBV_MESSAGE_TRANSMITTED   
            ||
        ptr->PBV_Message_State == PBV_MESSAGE_TX_ERROR      // TODO: for CAN. If the tx fails in arbitration. Introduce a RETRY mechanism.
            )
    {
        APP_PBV_FUNCS.linkDataTX(ptr);
        ptr->PBV_Message_State = PBV_MESSAGE_TRANSMIT_START;
    }
}
 
 
int app_Read_Received_From_PBV(PBV_Datatype_RX_t * ptr)                             
{
    return APP_PBV_FUNCS.linkDataRX(ptr);
}
 
 
static void app_PBV_Task(void)
{
    if (App_PBV_To_System_Ptr->PBV_Message_State == PBV_MESSAGE_READY_TO_RECEIVE 
            ||
        App_PBV_To_System_Ptr->PBV_Message_State == PBV_STATE_RECEIVING
            )
    {
            App_PBV_To_System_Ptr->PBV_Message_State = APP_PBV_FUNCS.rxGui();
    }
 
    if (App_System_To_PBV_Ptr->PBV_Message_State == PBV_MESSAGE_TRANSMIT_START
            ||
        App_System_To_PBV_Ptr->PBV_Message_State == PBV_MESSAGE_TRANSMITTING
            )
    {
        App_System_To_PBV_Ptr->PBV_Message_State = APP_PBV_FUNCS.txGui();
    }
 
    if (App_System_To_PBV_ASCII_Ptr->PBV_Message_State == PBV_MESSAGE_TRANSMIT_START
            ||
        App_System_To_PBV_ASCII_Ptr->PBV_Message_State == PBV_MESSAGE_TRANSMITTING    
            )
    {
        App_System_To_PBV_ASCII_Ptr->PBV_Message_State = APP_PBV_FUNCS.txGuiAscii();
    }
}
 
 
void app_PBV_Task_10ms()
{
#if PBV_CANFD
    app_PBV_Task();
#endif 
}
 
 
void app_PBV_Task_100us()
{
#if PBV_UART
    app_PBV_Task();
#endif 
}