Rev 694 | Details | Compare with Previous | Last modification | View Log | SVN | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 620 | arune | 1 | #include <inttypes.h> |
| 2 | #include <avr/interrupt.h> |
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| 3 | #include <stdio.h> |
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| 4 | #include <string.h> |
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| 5 | #include <config.h> // All configuration parameters |
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| 6 | #include <bios.h> // BIOS interface declarations, including CAN structure and ID defines. |
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| 7 | #include <drivers/uart/serial.h> |
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| 694 | arune | 8 | #include <drivers/DTMF/mt8870/mt8870.h> |
| 620 | arune | 9 | |
| 10 | #define STATE_IDLE 0 |
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| 11 | #define STATE_GET_DATA 1 |
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| 624 | arune | 12 | #define STATE_START_WAIT 2 |
| 13 | #define STATE_WAIT 3 |
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| 620 | arune | 14 | #define STATE_STOP 4 |
| 15 | |||
| 16 | #define APP_TYPE 0xf001 |
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| 17 | #define APP_VERSION 0x0002 |
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| 18 | |||
| 19 | // A simple message "queue", with space for one message only. |
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| 20 | // These are declared volatile to tell the compiler not to optimize away accesses. |
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| 21 | volatile Can_Message_t rxMsg; // Message storage |
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| 22 | volatile uint8_t rxMsgFull; // Synchronization flag |
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| 23 | |||
| 24 | // CAN message reception callback. |
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| 25 | // This function runs with interrupts disabled, keep it as short as possible. |
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| 26 | void can_receive(Can_Message_t *msg) { |
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| 27 | if (!rxMsgFull) { |
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| 28 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
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| 29 | rxMsgFull = 1; |
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| 30 | } |
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| 31 | } |
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| 32 | |||
| 33 | int main(void) |
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| 34 | { |
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| 35 | // Enable interrupts as early as possible |
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| 36 | sei(); |
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| 37 | |||
| 38 | Serial_Init(); |
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| 39 | |||
| 40 | Can_Message_t txMsg; |
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| 41 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
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| 42 | txMsg.DataLength = 4; |
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| 43 | txMsg.RemoteFlag = 0; |
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| 44 | txMsg.ExtendedFlag = 1; |
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| 45 | txMsg.Data.words[0] = APP_TYPE; |
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| 46 | txMsg.Data.words[1] = APP_VERSION; |
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| 47 | |||
| 48 | // Set up callback for CAN reception, this is optional if only sending is required. |
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| 49 | BIOS_CanCallback = &can_receive; |
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| 50 | // Send CAN_NMT_APP_START |
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| 51 | BIOS_CanSend(&txMsg); |
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| 52 | |||
| 625 | arune | 53 | DTMFin_Init(); |
| 620 | arune | 54 | |
| 624 | arune | 55 | uint8_t rxbuffer[MAX_TONES]; |
| 620 | arune | 56 | uint8_t state=0; |
| 624 | arune | 57 | uint8_t rxlen=0; |
| 620 | arune | 58 | |
| 59 | while (1) { |
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| 60 | |||
| 61 | if (state == STATE_IDLE) { |
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| 625 | arune | 62 | DTMFin_Start(rxbuffer); |
| 624 | arune | 63 | state = STATE_START_WAIT; |
| 64 | } else if (state == STATE_START_WAIT) { |
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| 65 | state = STATE_WAIT; |
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| 66 | } else if (state == STATE_WAIT) { |
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| 625 | arune | 67 | uint8_t retval = DTMFin_Poll(&rxlen); |
| 624 | arune | 68 | if (retval == RET_FINISHED) { |
| 620 | arune | 69 | state = STATE_STOP; |
| 624 | arune | 70 | } else if (retval == RET_OVERFLOW) { |
| 71 | state = STATE_IDLE; |
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| 620 | arune | 72 | } |
| 73 | } else if (state == STATE_STOP) { |
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| 624 | arune | 74 | //if ((rxbuffer[0] == 0xa || rxbuffer[0] == 0xb) && rxbuffer[rxlen-1] == 0xc) { |
| 75 | for (uint8_t i = 0; i < 16; i=i+2) { |
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| 76 | txMsg.Data.bytes[i>>1] = rxbuffer[i]<<4; |
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| 77 | if (i+1 < rxlen) { |
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| 78 | txMsg.Data.bytes[i>>1] |= rxbuffer[i+1]; |
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| 79 | } |
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| 620 | arune | 80 | } |
| 624 | arune | 81 | txMsg.DataLength = (rxlen>>1)+(rxlen&1); |
| 620 | arune | 82 | 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)); |
| 83 | BIOS_CanSend(&txMsg); |
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| 624 | arune | 84 | |
| 85 | //} |
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| 620 | arune | 86 | state = STATE_IDLE; |
| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | return 0; |
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| 91 | } |