Subversion Repositories NaviCtrl

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//--------------------------------------------------------------

void I2C1_IRQHandler(void)

void I2C1_IRQHandler(void)

{

{

        static u8 Rx_Idx = 0, Tx_Idx = 0;

        static u8 Rx_Idx = 0, Tx_Idx = 0;

        u16 status;

        u16 status;

        //IENABLE;  // do not enable IRQ nesting for I2C!!!!

        //IENABLE;  // do not enable IRQ nesting for I2C!!!!

        // detemine I2C State

        // detemine I2C State

        status = I2C_GetLastEvent(I2C1);

        status = I2C_GetLastEvent(I2C1);

        if(status & (I2C_FLAG_AF|I2C_FLAG_BERR))  // if an acknowledge failure or bus error occured

        if(status & (I2C_FLAG_AF|I2C_FLAG_BERR))  // if an acknowledge failure or bus error occured

        {       // Set and subsequently clear the STOP bit while BTF is set.

        {       // Set and subsequently clear the STOP bit while BTF is set.

                while(I2C_GetFlagStatus (I2C1, I2C_FLAG_BTF) != RESET)

                while(I2C_GetFlagStatus (I2C1, I2C_FLAG_BTF) != RESET)

                        I2C_GenerateSTOP (I2C1, DISABLE); // free the bus

                         }

                }

                }

                I2C1_State = I2C_STATE_IDLE;

                I2C1_State = I2C_STATE_IDLE;

                I2C1_Error = I2C_ERROR_NOACK;

                I2C1_Error = I2C_ERROR_NOACK;

                VIC_ITCmd(I2C1_ITLine, DISABLE);

                VIC_ITCmd(I2C1_ITLine, DISABLE);