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atrf-xmit: tightened checking of interrupt behaviour
- atrf-xmit.c (xfer_one): also check that also the sender has no pending interrupts before we start sending - atrf-xmit.c (xfer_one): interrupt poll loop (now disabled) checked the sender, not the receiver. oops. - atrf-xmit.c (xfer_one): upon reception, check that the sender has finished (IRQ_TRX_END) as well
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@ -72,6 +72,10 @@ static int xfer_one(struct atrf_dsc *tx, struct atrf_dsc *rx)
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uint8_t buf[PSDU_SIZE+1]; /* +1 for LQI */
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int n, i;
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if (atrf_interrupt(tx)) {
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fprintf(stderr, "unexpected sender interrupt\n");
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exit(1);
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}
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if (atrf_interrupt(rx)) {
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fprintf(stderr, "unexpected receiver interrupt\n");
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exit(1);
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@ -87,10 +91,21 @@ static int xfer_one(struct atrf_dsc *tx, struct atrf_dsc *rx)
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* interrupt, at least for now.
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*/
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usleep(5000);
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irq = atrf_reg_read(tx, REG_IRQ_STATUS);
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irq = atrf_reg_read(rx, REG_IRQ_STATUS);
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#endif
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if (!(irq & IRQ_TRX_END))
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return 0;
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if (!atrf_interrupt(tx)) {
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fprintf(stderr, "missing sender interrupt\n");
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exit(1);
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}
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irq = atrf_reg_read(tx, REG_IRQ_STATUS);
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if (!(irq & IRQ_TRX_END)) {
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fprintf(stderr, "sender claims packet was not sent ?\n");
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exit(1);
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}
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if (atrf_reg_read(rx, REG_PHY_RSSI) & RX_CRC_VALID)
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return 1;
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n = atrf_buf_read(rx, buf, sizeof(buf));
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