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Merge pull request #13604 from gschorcht/drivers/sx127x/dio_handling

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drivers/sx127x: changes in DIO handling
This commit is contained in:
benpicco 2020-05-16 19:12:26 +02:00 committed by GitHub
commit 1776e54d80
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4 changed files with 29 additions and 9 deletions
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4
drivers/sx127x/sx127x.c
View File

@ -289,6 +289,10 @@ static int _init_gpios(sx127x_t *dev)
return res;
}
}
else {
/* if frequency hopping is enabled, DIO2 pin must be defined */
assert(LORA_FREQUENCY_HOPPING_DEFAULT == false);
}
/* check if DIO3 pin is defined */
if (dev->params.dio3_pin != GPIO_UNDEF) {

10
drivers/sx127x/sx127x_getset.c
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@ -282,13 +282,14 @@ void sx127x_set_rx(sx127x_t *dev)
/* SX127X_RF_LORA_IRQFLAGS_FHSSCHANGEDCHANNEL | */
SX127X_RF_LORA_IRQFLAGS_CADDETECTED);
/* DIO0=RxDone, DIO2=FhssChangeChannel, DIO3=ValidHeader */
/* DIO0=RxDone, DIO1=RxTimeout, DIO2=FhssChangeChannel, DIO3=ValidHeader */
sx127x_reg_write(dev, SX127X_REG_DIOMAPPING1,
(sx127x_reg_read(dev, SX127X_REG_DIOMAPPING1) &
SX127X_RF_LORA_DIOMAPPING1_DIO0_MASK &
SX127X_RF_LORA_DIOMAPPING1_DIO2_MASK &
SX127X_RF_LORA_DIOMAPPING1_DIO3_MASK) |
SX127X_RF_LORA_DIOMAPPING1_DIO0_00 |
SX127X_RF_LORA_DIOMAPPING1_DIO1_00 |
SX127X_RF_LORA_DIOMAPPING1_DIO2_00 |
SX127X_RF_LORA_DIOMAPPING1_DIO3_01);
}
@ -303,12 +304,13 @@ void sx127x_set_rx(sx127x_t *dev)
SX127X_RF_LORA_IRQFLAGS_FHSSCHANGEDCHANNEL |
SX127X_RF_LORA_IRQFLAGS_CADDETECTED);
/* DIO0=RxDone, DIO3=ValidHeader */
/* DIO0=RxDone, DIO1=RxTimeout, DIO3=ValidHeader */
sx127x_reg_write(dev, SX127X_REG_DIOMAPPING1,
(sx127x_reg_read(dev, SX127X_REG_DIOMAPPING1) &
SX127X_RF_LORA_DIOMAPPING1_DIO0_MASK &
SX127X_RF_LORA_DIOMAPPING1_DIO3_MASK) |
SX127X_RF_LORA_DIOMAPPING1_DIO0_00 |
SX127X_RF_LORA_DIOMAPPING1_DIO1_00 |
SX127X_RF_LORA_DIOMAPPING1_DIO3_01);
}
@ -353,9 +355,9 @@ void sx127x_set_tx(sx127x_t *dev)
SX127X_RF_LORA_IRQFLAGS_RXDONE |
SX127X_RF_LORA_IRQFLAGS_PAYLOADCRCERROR |
SX127X_RF_LORA_IRQFLAGS_VALIDHEADER |
/* RFLR_IRQFLAGS_TXDONE | */
/* SX127X_RF_LORA_IRQFLAGS_TXDONE | */
SX127X_RF_LORA_IRQFLAGS_CADDONE |
/* RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | */
/* SX127X_RF_LORA_IRQFLAGS_FHSSCHANGEDCHANNEL | */
SX127X_RF_LORA_IRQFLAGS_CADDETECTED);
/* DIO0=TxDone, DIO2=FhssChangeChannel */

19
drivers/sx127x/sx127x_internal.c
View File

@ -201,11 +201,20 @@ void sx127x_start_cad(sx127x_t *dev)
/* | SX127X_RF_LORA_IRQFLAGS_CADDETECTED*/
);
/* DIO3 = CADDone */
sx127x_reg_write(dev, SX127X_REG_DIOMAPPING1,
(sx127x_reg_read(dev, SX127X_REG_DIOMAPPING1) &
SX127X_RF_LORA_DIOMAPPING1_DIO3_MASK) |
SX127X_RF_LORA_DIOMAPPING1_DIO3_00);
if (dev->params.dio3_pin != GPIO_UNDEF) {
/* DIO3 = CADDone */
sx127x_reg_write(dev, SX127X_REG_DIOMAPPING1,
(sx127x_reg_read(dev, SX127X_REG_DIOMAPPING1) &
SX127X_RF_LORA_DIOMAPPING1_DIO3_MASK) |
SX127X_RF_LORA_DIOMAPPING1_DIO3_00);
}
else {
/* DIO0 = CADDone */
sx127x_reg_write(dev, SX127X_REG_DIOMAPPING1,
(sx127x_reg_read(dev, SX127X_REG_DIOMAPPING1) &
SX127X_RF_LORA_DIOMAPPING1_DIO0_MASK) |
SX127X_RF_LORA_DIOMAPPING1_DIO0_10);
}
sx127x_set_state(dev, SX127X_RF_CAD);
sx127x_set_op_mode(dev, SX127X_RF_LORA_OPMODE_CAD);

5
drivers/sx127x/sx127x_netdev.c
View File

@ -721,6 +721,11 @@ void _on_dio3_irq(void *arg)
break;
default:
DEBUG("[sx127x] netdev: sx127x_on_dio3: unknown state");
/* at least the related interrupts should be cleared in this case */
sx127x_reg_write(dev, SX127X_REG_LR_IRQFLAGS,
SX127X_RF_LORA_IRQFLAGS_VALIDHEADER |
SX127X_RF_LORA_IRQFLAGS_CADDETECTED |
SX127X_RF_LORA_IRQFLAGS_CADDONE);
break;
}
}