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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 543 | 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/timer/timebase.h> |
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| 602 | arune | 8 | #include <drivers/ir/transceiver/irtransceiver.h> |
| 609 | arune | 9 | #include <drivers/ir/protocols.h> |
| 543 | arune | 10 | |
| 11 | #define APP_TYPE CAN_APPTYPES_IRTRANSMITTER |
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| 609 | arune | 12 | #define APP_VERSION 0x0002 |
| 543 | arune | 13 | |
| 602 | arune | 14 | #define STATE_IDLE 0 |
| 15 | #define STATE_START_TRANSMIT 1 |
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| 16 | #define STATE_TRANSMITTING 2 |
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| 17 | #define STATE_START_PAUSE 3 |
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| 18 | #define STATE_PAUSING 4 |
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| 19 | #define STATE_STOP 5 |
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| 543 | arune | 20 | |
| 21 | // A simple message "queue", with space for one message only. |
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| 22 | // These are declared volatile to tell the compiler not to optimize away accesses. |
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| 23 | volatile Can_Message_t rxMsg; // Message storage |
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| 24 | volatile uint8_t rxMsgFull; // Synchronization flag |
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| 25 | |||
| 26 | // CAN message reception callback. |
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| 27 | // This function runs with interrupts disabled, keep it as short as possible. |
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| 28 | void can_receive(Can_Message_t *msg) { |
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| 29 | if (!rxMsgFull) { |
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| 30 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
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| 31 | rxMsgFull = 1; |
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| 32 | } |
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| 33 | } |
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| 34 | |||
| 35 | int main(void) |
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| 36 | { |
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| 37 | // Enable interrupts as early as possible |
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| 38 | sei(); |
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| 39 | |||
| 40 | Timebase_Init(); |
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| 602 | arune | 41 | IrTransceiver_Init(); |
| 543 | arune | 42 | |
| 43 | Can_Message_t txMsg; |
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| 44 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
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| 45 | txMsg.DataLength = 4; |
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| 46 | txMsg.RemoteFlag = 0; |
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| 47 | txMsg.ExtendedFlag = 1; |
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| 48 | txMsg.Data.words[0] = APP_TYPE; |
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| 49 | txMsg.Data.words[1] = APP_VERSION; |
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| 50 | |||
| 51 | // Set up callback for CAN reception, this is optional if only sending is required. |
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| 52 | BIOS_CanCallback = &can_receive; |
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| 53 | // Send CAN_NMT_APP_START |
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| 54 | BIOS_CanSend(&txMsg); |
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| 55 | |||
| 602 | arune | 56 | uint32_t time = Timebase_CurrentTime(); |
| 57 | uint32_t timePauseStarted = 0; |
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| 543 | arune | 58 | |
| 602 | arune | 59 | uint8_t state=STATE_IDLE; |
| 60 | uint8_t repeatcnt=0; |
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| 61 | uint8_t stop=0; |
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| 609 | arune | 62 | Ir_Protocol_Data_t proto; |
| 63 | proto.timeout=0; proto.data=0; proto.repeats=0; proto.protocol=0; |
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| 64 | uint8_t len=0; |
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| 543 | arune | 65 | |
| 609 | arune | 66 | uint16_t txbuffer[MAX_NR_TIMES]; |
| 67 | |||
| 543 | arune | 68 | while (1) { |
| 602 | arune | 69 | time = Timebase_CurrentTime(); |
| 543 | arune | 70 | if (state == STATE_IDLE) { |
| 602 | arune | 71 | } else if (state == STATE_START_TRANSMIT) { |
| 609 | arune | 72 | if (expandProtocol(txbuffer, &len, &proto) == IR_OK) { |
| 73 | if (IrTransceiver_Transmit(txbuffer, len, proto.modfreq) == IR_OK) { |
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| 74 | state = STATE_TRANSMITTING; |
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| 75 | } else { |
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| 76 | state = STATE_IDLE; |
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| 77 | } |
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| 602 | arune | 78 | } else { |
| 543 | arune | 79 | state = STATE_IDLE; |
| 80 | } |
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| 602 | arune | 81 | } else if (state == STATE_TRANSMITTING) { |
| 82 | //polla om den är klar, om klar gå till STATE_START_PAUSE |
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| 83 | if (IrTransceiver_Transmit_Poll() != IR_NOT_FINISHED) { |
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| 84 | state = STATE_START_PAUSE; |
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| 85 | } |
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| 86 | } else if (state == STATE_START_PAUSE) { |
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| 609 | arune | 87 | if (repeatcnt<proto.repeats) { |
| 602 | arune | 88 | repeatcnt++; |
| 89 | } |
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| 90 | timePauseStarted = Timebase_CurrentTime(); |
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| 91 | state = STATE_PAUSING; |
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| 92 | } else if (state == STATE_PAUSING) { |
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| 93 | //när timeout har gått (timebase) så gå till STATE_START_TRANSMIT |
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| 609 | arune | 94 | if (time - timePauseStarted >= proto.timeout) { |
| 602 | arune | 95 | state = STATE_START_TRANSMIT; |
| 96 | } |
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| 609 | arune | 97 | if (stop == 1 && repeatcnt >= proto.repeats) { |
| 602 | arune | 98 | state = STATE_STOP; |
| 99 | } |
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| 100 | } else if (state == STATE_STOP) { |
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| 101 | stop = 0; |
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| 609 | arune | 102 | proto.timeout = 0; |
| 602 | arune | 103 | repeatcnt = 0; |
| 104 | state = STATE_IDLE; |
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| 543 | arune | 105 | } |
| 106 | |||
| 107 | |||
| 108 | if (rxMsgFull) { |
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| 109 | if ( ((rxMsg.Id & CAN_MASK_CLASS)>>CAN_SHIFT_CLASS) == CAN_ACT) { |
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| 110 | uint16_t acttype =(uint16_t)((rxMsg.Id & CAN_MASK_ACT_TYPE) >> CAN_SHIFT_ACT_TYPE); |
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| 111 | uint8_t actid = (uint8_t)((rxMsg.Id & CAN_MASK_ACT_ID) >> CAN_SHIFT_ACT_ID); |
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| 112 | |||
| 602 | arune | 113 | if (rxMsg.DataLength==6) { |
| 543 | arune | 114 | if (acttype == ACT_TYPE_IR) { |
| 115 | if (state == STATE_IDLE && rxMsg.Data.bytes[0] == IR_BUTTON_DOWN) { |
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| 609 | arune | 116 | proto.protocol = rxMsg.Data.bytes[1]; |
| 117 | proto.data = rxMsg.Data.bytes[5]; |
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| 118 | proto.data |= (rxMsg.Data.bytes[4]<<8); |
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| 119 | proto.data |= ((uint32_t)rxMsg.Data.bytes[3]<<16); |
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| 120 | proto.data |= ((uint32_t)rxMsg.Data.bytes[2]<<24); |
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| 602 | arune | 121 | |
| 122 | state = STATE_START_TRANSMIT; |
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| 123 | } else if (state != STATE_IDLE && rxMsg.Data.bytes[0] == IR_BUTTON_UP) { |
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| 124 | stop = 1; |
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| 543 | arune | 125 | } |
| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | |||
| 130 | // Flush the received message |
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| 131 | rxMsgFull = 0; // |
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| 132 | } |
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| 133 | } |
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| 134 | |||
| 135 | return 0; |
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| 136 | } |