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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 403 | 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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| 611 | arune | 7 | |
| 403 | arune | 8 | #include <drivers/timer/timebase.h> |
| 603 | arune | 9 | #include <drivers/ir/transceiver/irtransceiver.h> |
| 611 | arune | 10 | #include <drivers/ir/protocols.h> |
| 403 | arune | 11 | |
| 486 | arune | 12 | #define APP_TYPE CAN_APPTYPES_IRRECEIVER |
| 611 | arune | 13 | #define APP_VERSION 0x0004 |
| 403 | arune | 14 | |
| 611 | arune | 15 | #define STATE_IDLE 0 |
| 16 | #define STATE_IR_REPEAT 1 |
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| 17 | #define STATE_START_RECEIVE 2 |
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| 18 | #define STATE_RECEIVING 3 |
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| 19 | #define STATE_START_PAUSE 4 |
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| 20 | #define STATE_PAUSING 5 |
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| 403 | arune | 21 | |
| 527 | arune | 22 | #define IR_ID_DATA 0 |
| 23 | #define IR_ID_RAW 1 |
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| 24 | #define IR_ID_DEBUG 10 |
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| 439 | arune | 25 | |
| 403 | arune | 26 | // A simple message "queue", with space for one message only. |
| 27 | // These are declared volatile to tell the compiler not to optimize away accesses. |
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| 28 | volatile Can_Message_t rxMsg; // Message storage |
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| 29 | volatile uint8_t rxMsgFull; // Synchronization flag |
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| 30 | |||
| 31 | // CAN message reception callback. |
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| 32 | // This function runs with interrupts disabled, keep it as short as possible. |
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| 33 | void can_receive(Can_Message_t *msg) { |
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| 34 | if (!rxMsgFull) { |
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| 35 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
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| 36 | rxMsgFull = 1; |
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| 37 | } |
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| 38 | } |
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| 39 | |||
| 40 | int main(void) |
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| 41 | { |
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| 42 | // Enable interrupts as early as possible |
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| 43 | sei(); |
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| 44 | |||
| 45 | Timebase_Init(); |
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| 611 | arune | 46 | IrTransceiver_Init(); |
| 403 | arune | 47 | |
| 48 | Can_Message_t txMsg; |
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| 49 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
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| 50 | txMsg.DataLength = 4; |
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| 51 | txMsg.RemoteFlag = 0; |
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| 52 | txMsg.ExtendedFlag = 1; |
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| 53 | txMsg.Data.words[0] = APP_TYPE; |
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| 54 | txMsg.Data.words[1] = APP_VERSION; |
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| 55 | |||
| 56 | // Set up callback for CAN reception, this is optional if only sending is required. |
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| 57 | BIOS_CanCallback = &can_receive; |
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| 58 | // Send CAN_NMT_APP_START |
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| 59 | BIOS_CanSend(&txMsg); |
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| 519 | arune | 60 | |
| 611 | arune | 61 | uint32_t time = Timebase_CurrentTime(); |
| 62 | uint32_t timePauseStarted = 0; |
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| 403 | arune | 63 | |
| 64 | uint8_t state = STATE_IDLE; |
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| 611 | arune | 65 | |
| 66 | Ir_Protocol_Data_t proto; |
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| 67 | proto.timeout=0; proto.data=0; proto.repeats=0; proto.protocol=0; |
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| 68 | uint8_t len=0; |
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| 69 | uint16_t rxbuffer[MAX_NR_TIMES]; |
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| 70 | |||
| 403 | arune | 71 | while (1) { |
| 527 | arune | 72 | if (state == STATE_IDLE) { |
| 611 | arune | 73 | IrTransceiver_Receive_Start(rxbuffer); |
| 74 | state = STATE_START_RECEIVE; |
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| 75 | } else if (state == STATE_START_RECEIVE) { |
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| 76 | state = STATE_RECEIVING; |
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| 77 | } else if (state == STATE_RECEIVING) { |
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| 78 | len = IrTransceiver_Receive_Poll(); |
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| 79 | if (len > 0) { |
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| 80 | //låt protocols parsa och skicka på can |
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| 81 | if (parseProtocol(rxbuffer, len, &proto) == IR_OK) { |
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| 82 | if (proto.protocol != IR_PROTO_UNKNOWN) { |
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| 83 | txMsg.Data.bytes[0] = IR_BUTTON_DOWN; |
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| 84 | txMsg.Data.bytes[1] = proto.protocol; |
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| 85 | txMsg.Data.bytes[2] = (proto.data>>24)&0xff; |
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| 86 | txMsg.Data.bytes[3] = (proto.data>>16)&0xff; |
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| 87 | txMsg.Data.bytes[4] = (proto.data>>8)&0xff; |
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| 88 | txMsg.Data.bytes[5] = proto.data&0xff; |
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| 89 | txMsg.Id = ((CAN_SNS << CAN_SHIFT_CLASS) | (SNS_TYPE_IR << CAN_SHIFT_SNS_TYPE) | (IR_ID_DATA<<CAN_SHIFT_SNS_ID) | (NODE_ID << CAN_SHIFT_SNS_SID)); |
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| 90 | txMsg.DataLength = 6; |
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| 91 | BIOS_CanSend(&txMsg); |
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| 528 | arune | 92 | } |
| 527 | arune | 93 | } |
| 94 | |||
| 611 | arune | 95 | state = STATE_START_PAUSE; |
| 96 | } |
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| 97 | } else if (state == STATE_START_PAUSE) { |
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| 98 | timePauseStarted = Timebase_CurrentTime(); |
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| 99 | state = STATE_PAUSING; |
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| 100 | } else if (state == STATE_PAUSING) { |
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| 101 | //resetta timebase-var om ir finns, detta bör göras snyggare |
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| 102 | for (uint8_t i=0; i<10; i++) { |
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| 103 | if (IrTransceiver_Receive_Pause_Poll() == 0) { |
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| 104 | break; |
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| 105 | } |
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| 106 | if (i==9) { |
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| 107 | timePauseStarted = Timebase_CurrentTime(); |
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| 527 | arune | 108 | } |
| 109 | } |
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| 611 | arune | 110 | |
| 111 | time = Timebase_CurrentTime(); |
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| 112 | if (time - timePauseStarted >= proto.timeout) { |
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| 113 | if (proto.protocol != IR_PROTO_UNKNOWN) { |
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| 114 | //skicka på can |
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| 549 | arune | 115 | txMsg.Data.bytes[0] = IR_BUTTON_UP; |
| 527 | arune | 116 | BIOS_CanSend(&txMsg); |
| 117 | } |
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| 611 | arune | 118 | state = STATE_IDLE; |
| 527 | arune | 119 | } |
| 120 | } |
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| 403 | arune | 121 | |
| 611 | arune | 122 | |
| 403 | arune | 123 | if (rxMsgFull) { |
| 527 | arune | 124 | /* No message reception functionality implemented */ |
| 125 | /* Flush the received message */ |
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| 403 | arune | 126 | rxMsgFull = 0; // |
| 127 | } |
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| 128 | } |
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| 129 | return 0; |
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| 130 | } |