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#include <avr/interrupt.h>
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#include <avr/interrupt.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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#include <config.h> // All configuration parameters
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#include <config.h> // All configuration parameters
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#include <bios.h>   // BIOS interface declarations, including CAN structure and ID defines.
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#include <bios.h>   // BIOS interface declarations, including CAN structure and ID defines.
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#include <drivers/uart/serial.h>
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#include <drivers/DTMF/dtmf.h>
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#include <drivers/DTMF/mt8870/mt8870.h>
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//#include <drivers/DTMF/mt8870/mt8870.h>
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#include <drivers/timer/timer.h>
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#define STATE_IDLE          0
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#define STATE_IDLE          0
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#define STATE_GET_DATA      1
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#define STATE_COPYDATA      1
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#define STATE_START_WAIT    2
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#define STATE_WAIT          3
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#define STATE_WAIT          2
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#define STATE_STOP          4
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#define STATE_SEND          3
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#define APP_TYPE    0xf001
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#define APP_TYPE    0xf001
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#define APP_VERSION 0x0002
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#define APP_VERSION 0x0003
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// A simple message "queue", with space for one message only.
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// A simple message "queue", with space for one message only.
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// These are declared volatile to tell the compiler not to optimize away accesses.
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// These are declared volatile to tell the compiler not to optimize away accesses.
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volatile Can_Message_t rxMsg; // Message storage
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volatile Can_Message_t rxMsg; // Message storage
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volatile uint8_t rxMsgFull;   // Synchronization flag
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volatile uint8_t rxMsgFull;   // Synchronization flag
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int main(void)
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int main(void)
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{
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{
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    // Enable interrupts as early as possible
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    // Enable interrupts as early as possible
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    sei();
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    sei();
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    Timer_Init();
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    Serial_Init();
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    DTMFin_Init();
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    Can_Message_t txMsg;
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    Can_Message_t txMsg;
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    txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID);
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    txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID);
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    txMsg.DataLength = 4;
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    txMsg.DataLength = 4;
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    txMsg.RemoteFlag = 0;
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    txMsg.RemoteFlag = 0;
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    // Set up callback for CAN reception, this is optional if only sending is required.
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    // Set up callback for CAN reception, this is optional if only sending is required.
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    BIOS_CanCallback = &can_receive;
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    BIOS_CanCallback = &can_receive;
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    // Send CAN_NMT_APP_START
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    // Send CAN_NMT_APP_START
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    BIOS_CanSend(&txMsg);
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    BIOS_CanSend(&txMsg);
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    DTMFin_Init();
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    uint8_t rxbuffer[MAX_TONES];
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    uint8_t state=0;
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    uint8_t rxlen=0;
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    uint8_t pollrxbuffer[MT_MAX_TONES];
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    uint8_t pollrxlen=0;
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    uint8_t rxbuffer[MT_MAX_TONES];
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    while (1) {
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    uint8_t rxlen=0;
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    uint8_t state=STATE_IDLE;
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    while (1) {
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        if (state == STATE_IDLE) {
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        if (state == STATE_IDLE) {
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            DTMFin_Start(rxbuffer);
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            if (DTMFin_Pop(pollrxbuffer, &pollrxlen) == DTMF_Ret_Data_avail) {
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            state = STATE_START_WAIT;
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                state = STATE_COPYDATA;
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            } else {
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                //go into sleep or something, incoming data from mt8870 is interrupted so we will wake up
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            }
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        } else if (state == STATE_START_WAIT) {
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        } else if (state == STATE_COPYDATA) {
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            state = STATE_WAIT;
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            state = STATE_WAIT;
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            for (uint8_t i=0; i<pollrxlen;i++) {
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                rxbuffer[rxlen++] = pollrxbuffer[i];
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                if (rxlen >= MT_MAX_TONES) {
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                    //overflow
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                    rxlen = 0;
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                    state = STATE_IDLE;
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                    break;
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                }
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            }
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            Timer_SetTimeout(0, MT_DIAL_TIMEOUT, TimerTypeOneShot, 0);
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        } else if (state == STATE_WAIT) {
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        } else if (state == STATE_WAIT) {
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            if (Timer_Expired(0)) {
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                state = STATE_SEND;
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            }
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            uint8_t retval = DTMFin_Poll(&rxlen);
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            DTMF_Ret_t retval = DTMFin_Pop(pollrxbuffer, &pollrxlen);
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            if (retval == MT8870_Ret_Finished) {
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            if (retval == DTMF_Ret_Data_avail) {
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                state = STATE_STOP;
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                state = STATE_COPYDATA;
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            } else if (retval == MT8870_Ret_Overflow) {
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            } else if (retval == DTMF_Ret_Overflow) {
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                rxlen=0;
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                state = STATE_IDLE;
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                state = STATE_IDLE;
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            }
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            }
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        } else if (state == STATE_STOP) {
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        } else if (state == STATE_SEND) {
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            //if ((rxbuffer[0] == 0xa || rxbuffer[0] == 0xb) && rxbuffer[rxlen-1] == 0xc) {
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            //if ((rxbuffer[0] == 0xa || rxbuffer[0] == 0xb) && rxbuffer[rxlen-1] == 0xc) {
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                for (uint8_t i = 0; i < 16; i=i+2) {
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            for (uint8_t i = 0; i < 16; i=i+2) {
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                    txMsg.Data.bytes[i>>1] = rxbuffer[i]<<4;
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                txMsg.Data.bytes[i>>1] = rxbuffer[i]<<4;
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                    if (i+1 < rxlen) {
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                if (i+1 < rxlen) {
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                        txMsg.Data.bytes[i>>1] |= rxbuffer[i+1];
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                    txMsg.Data.bytes[i>>1] |= rxbuffer[i+1];
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                txMsg.DataLength = (rxlen>>1)+(rxlen&1);
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            txMsg.DataLength = (rxlen>>1)+(rxlen&1);
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                txMsg.Id = ((CAN_SNS << CAN_SHIFT_CLASS) | (SNS_TYPE_PHONENR << CAN_SHIFT_SNS_TYPE) | (0<<CAN_SHIFT_SNS_ID) | (NODE_ID << CAN_SHIFT_SNS_SID));
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            txMsg.Id = ((CAN_SNS << CAN_SHIFT_CLASS) | (SNS_TYPE_PHONENR << CAN_SHIFT_SNS_TYPE) | (0<<CAN_SHIFT_SNS_ID) | (NODE_ID << CAN_SHIFT_SNS_SID));
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                BIOS_CanSend(&txMsg);
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            BIOS_CanSend(&txMsg);
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            //}
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            //}
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            rxlen = 0;
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            state = STATE_IDLE;
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            state = STATE_IDLE;
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        }
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        }
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    }
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    }
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    return 0;
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    return 0;