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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> |
| 543 | arune | 9 | |
| 10 | #define APP_TYPE CAN_APPTYPES_IRTRANSMITTER |
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| 11 | #define APP_VERSION 0x0001 |
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| 12 | |||
| 602 | arune | 13 | #define STATE_IDLE 0 |
| 14 | #define STATE_START_TRANSMIT 1 |
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| 15 | #define STATE_TRANSMITTING 2 |
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| 16 | #define STATE_START_PAUSE 3 |
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| 17 | #define STATE_PAUSING 4 |
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| 18 | #define STATE_STOP 5 |
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| 543 | arune | 19 | |
| 20 | // A simple message "queue", with space for one message only. |
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| 21 | // These are declared volatile to tell the compiler not to optimize away accesses. |
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| 22 | volatile Can_Message_t rxMsg; // Message storage |
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| 23 | volatile uint8_t rxMsgFull; // Synchronization flag |
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| 24 | |||
| 25 | // CAN message reception callback. |
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| 26 | // This function runs with interrupts disabled, keep it as short as possible. |
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| 27 | void can_receive(Can_Message_t *msg) { |
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| 28 | if (!rxMsgFull) { |
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| 29 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
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| 30 | rxMsgFull = 1; |
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| 31 | } |
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| 32 | } |
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| 33 | |||
| 34 | int main(void) |
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| 35 | { |
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| 36 | // Enable interrupts as early as possible |
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| 37 | sei(); |
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| 38 | |||
| 39 | Timebase_Init(); |
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| 602 | arune | 40 | IrTransceiver_Init(); |
| 543 | arune | 41 | |
| 42 | Can_Message_t txMsg; |
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| 43 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
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| 44 | txMsg.DataLength = 4; |
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| 45 | txMsg.RemoteFlag = 0; |
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| 46 | txMsg.ExtendedFlag = 1; |
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| 47 | txMsg.Data.words[0] = APP_TYPE; |
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| 48 | txMsg.Data.words[1] = APP_VERSION; |
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| 49 | |||
| 50 | // Set up callback for CAN reception, this is optional if only sending is required. |
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| 51 | BIOS_CanCallback = &can_receive; |
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| 52 | // Send CAN_NMT_APP_START |
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| 53 | BIOS_CanSend(&txMsg); |
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| 54 | |||
| 602 | arune | 55 | uint32_t time = Timebase_CurrentTime(); |
| 56 | uint32_t timePauseStarted = 0; |
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| 543 | arune | 57 | |
| 602 | arune | 58 | uint8_t state=STATE_IDLE; |
| 59 | uint8_t repeatcnt=0; |
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| 60 | uint8_t stop=0; |
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| 61 | uint8_t protocol=0; uint32_t ir_data=0; uint16_t timeout=0; uint8_t repeats=0; |
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| 543 | arune | 62 | |
| 63 | while (1) { |
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| 602 | arune | 64 | time = Timebase_CurrentTime(); |
| 543 | arune | 65 | if (state == STATE_IDLE) { |
| 602 | arune | 66 | } else if (state == STATE_START_TRANSMIT) { |
| 67 | if (IrTransceiver_Transmit(protocol, ir_data, &timeout, &repeats) == IR_OK) { |
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| 68 | state = STATE_TRANSMITTING; |
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| 69 | } else { |
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| 543 | arune | 70 | state = STATE_IDLE; |
| 71 | } |
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| 602 | arune | 72 | } else if (state == STATE_TRANSMITTING) { |
| 73 | //polla om den är klar, om klar gå till STATE_START_PAUSE |
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| 74 | if (IrTransceiver_Transmit_Poll() != IR_NOT_FINISHED) { |
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| 75 | state = STATE_START_PAUSE; |
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| 76 | } |
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| 77 | } else if (state == STATE_START_PAUSE) { |
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| 78 | if (repeatcnt<repeats) { |
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| 79 | repeatcnt++; |
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| 80 | } |
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| 81 | timePauseStarted = Timebase_CurrentTime(); |
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| 82 | state = STATE_PAUSING; |
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| 83 | } else if (state == STATE_PAUSING) { |
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| 84 | //när timeout har gått (timebase) så gå till STATE_START_TRANSMIT |
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| 85 | if (time - timePauseStarted >= timeout) { |
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| 86 | state = STATE_START_TRANSMIT; |
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| 87 | } |
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| 88 | if (stop == 1 && repeatcnt >= repeats) { |
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| 89 | state = STATE_STOP; |
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| 90 | } |
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| 91 | |||
| 92 | } else if (state == STATE_STOP) { |
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| 93 | stop = 0; |
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| 94 | timeout = 0; |
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| 95 | repeatcnt = 0; |
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| 96 | state = STATE_IDLE; |
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| 543 | arune | 97 | } |
| 98 | |||
| 99 | |||
| 100 | if (rxMsgFull) { |
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| 101 | if ( ((rxMsg.Id & CAN_MASK_CLASS)>>CAN_SHIFT_CLASS) == CAN_ACT) { |
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| 102 | uint16_t acttype =(uint16_t)((rxMsg.Id & CAN_MASK_ACT_TYPE) >> CAN_SHIFT_ACT_TYPE); |
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| 103 | uint8_t actid = (uint8_t)((rxMsg.Id & CAN_MASK_ACT_ID) >> CAN_SHIFT_ACT_ID); |
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| 104 | |||
| 602 | arune | 105 | if (rxMsg.DataLength==6) { |
| 543 | arune | 106 | if (acttype == ACT_TYPE_IR) { |
| 107 | if (state == STATE_IDLE && rxMsg.Data.bytes[0] == IR_BUTTON_DOWN) { |
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| 602 | arune | 108 | protocol = rxMsg.Data.bytes[1]; |
| 109 | ir_data = rxMsg.Data.bytes[5]; |
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| 110 | ir_data |= (rxMsg.Data.bytes[4]<<8); |
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| 111 | ir_data |= ((uint32_t)rxMsg.Data.bytes[3]<<16); |
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| 112 | ir_data |= ((uint32_t)rxMsg.Data.bytes[2]<<24); |
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| 113 | |||
| 114 | state = STATE_START_TRANSMIT; |
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| 115 | } else if (state != STATE_IDLE && rxMsg.Data.bytes[0] == IR_BUTTON_UP) { |
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| 116 | stop = 1; |
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| 543 | arune | 117 | } |
| 118 | } |
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| 119 | } |
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| 120 | } |
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| 121 | |||
| 122 | // Flush the received message |
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| 123 | rxMsgFull = 0; // |
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| 124 | } |
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| 125 | } |
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| 126 | |||
| 127 | return 0; |
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| 128 | } |