Set power to 14 Waiting for data sx127x_lora_isr0_process: ISR0: IRQ = 0x70 sx127x_lora_isr0_process: Invalid LORA RX data!
On 3/7/2022 14:32，王国柱<wgz_z...@163.com> wrote： Oh, sorry for the mistake in the email just now, the device running sx127x -r has been waiting for data Set power to 14 Waiting for data sx127x_lora_isr0_process: ISR0: IRQ = 0x70 sx127x_lora_isr0_process: Invalid LORA RX data! And the device that executes sx127x -t has been sending data, sx127x_write: buflen=5 sx127x_opmode_set: opmode_set 2->2 Sesx127x_lora_isr0_process: ISR0: IRQ = 0x08 sx127x_lora_isr0_process: WARNING: Interrupt not processed, opmode=2 nsx127x_isr0_process: Failed to process ISR0 -22 d sx127x_opmode_set: opmode_set 2->4 5 bytes sx127x_lora_isr0_process: ISR0: IRQ = 0x08 sx127x_opmode_set: opmode_set 4->2 wait 5 sec ... GPIO_SX127X_DIO0 is configured with PC1, how can I debug it now? #defineGPIO_SX127X_DIO0 (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTC|GPIO_PIN1) On 3/4/2022 01:14，Alan Carvalho de Assis<acas...@gmail.com> wrote： Yes, that is correct. Which pin did you use to receive interrupt (GPIO_SX127X_DIO0) ? Try to monitor this pin to see it changes status when other device transmit. Also you can double check if the other device is transmitting using a RTL-SDR device. BR, Alan On 3/3/22, Prelude <wgz_z...@163.com> wrote: When I use it, one device sends a command using 'sx127x -t', and the other receives a command using 'sx127x -r'. Look at the apps/examples/sx127x_demo/sx127x_demo.c，Is this OK? ---- 回复的原邮件 ---- | 发件人 | 王国柱<wgz_z...@163.com> | | 日期 | 2022年03月03日 12:17 | | 收件人 | acas...@gmail.com<acas...@gmail.com> | | 抄送至 | dev@nuttx.apache.org<dev@nuttx.apache.org> | | 主题 | Re: nuttx lora sx127x device use for help | I tested the two devices with an oscilloscope and both have signals, but there is no communication between the two devices. One is always sending data, and the other is waiting to receive data. Does the communication between the two devices need to be networked first? That's what it used to be, but I used two boards to execute sx127x -r on one of the boards and sx127x -t on the other, expecting communication between the two boards, but it didn't work as expected . Do you need any other configuration? the first board: nsh> sx127x -t Start sx127x_demo LORA modulation Set frequency to 930000000 Set power to 14 Send 5 bytes ........ the sencond boad: nsh> sx127x -r Start sx127x_demo LORA modulation Set frequency to 930000000 Set power to 14 Waiting for data ........
