Recent Posts

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P132, P164, P232(U) and P332 RDS Encoders / Re: pira network
« Last post by Jan on January 26, 2026, 05:15:34 pm »
Yes, you can do this in general. This is not a property of the device, but a matter of correct configuration of the network and the control software. The Magic RDS 4 currently does not provide direct support for several network adapters, this is planned for future versions as we're aware of this little limitation. Currently the route to desired network must be provided in the operating system settings or by using an external utility. Unfortunately, we are unable to provide you with further support on this specific network configuration issue at this time.
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P132, P164, P232(U) and P332 RDS Encoders / pira network
« Last post by wyosmith on January 26, 2026, 03:36:56 pm »
can you connect the pira 164s to two different networks? ie verizon to starlink(station to transmitter site) with dedicated ip addresses? thanks
3
PIRA75/P175/P275 Control Software / Re: FM Scope Enhanced web interface
« Last post by Jan on January 14, 2026, 09:45:11 am »
Velmi pěkné, děkujeme na Slovensko  ;D

To install this web interface, copy it to any folder on your hard disk. In the FM Scope, open Options - Web Server and focus on the Local Dir field. Type full path to the web interface there, for example D:\p275\web
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P132, P164, P232(U) and P332 RDS Encoders / Re: p232 chip control problem
« Last post by suricato on January 08, 2026, 09:48:31 pm »
Hi,
i agree,thank you very much,i will try

5
P132, P164, P232(U) and P332 RDS Encoders / Re: p232 chip control problem
« Last post by Jan on January 08, 2026, 03:14:06 am »
Please see parameters VIL and VIH in the device pdf.

If you use 5V power supply for the chip, at least a simple voltage level converter is required for 3V3 RX line:

VL = 3V3, VH = 5V


Also, I have doubt about the command ser.write(b'LEVEL\n') in your script. \n is usually equivalent to 0x0A, in Python too. In such case you must use \r which is a correct carriage-return character (0x0D). See the P232 RDS Encoder Technical Manual for detailed info about the ASCII communication format.
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P132, P164, P232(U) and P332 RDS Encoders / Re: p232 chip control problem
« Last post by suricato on January 07, 2026, 11:57:01 pm »
Hi,
my doubt is whether the fact that the p232 chip is powered by 5v and the raspberry pi cm4 by 3.3v could create problems
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P132, P164, P232(U) and P332 RDS Encoders / Re: p232 chip control problem
« Last post by suricato on January 07, 2026, 11:47:58 pm »
Hi,
My problem is above all because the chip does not respond to the message sent via the uart connected to RX2,TX2
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P132, P164, P232(U) and P332 RDS Encoders / Re: p232 chip control problem
« Last post by Jan on January 07, 2026, 03:55:15 pm »
The p232 mcu integration is seamless. Unfortunately, you probably skipped the LED indicators in your circuit so you made the diagnostics unnecessarily complicated. With the LED indicators, determining the operating status is immediate.

Thus you need some diagnostic tools to verify that the chip is wired well and operating. For example you may measure the DA7 digital output frequency (57 kHz). Or you may attach logic analyzer to TX1, it sends firmware version on power-up. Or you may connect RDS decoder to the analogue output. Or you may connect I2C analyzer to the I2C bus, there's lively communication after power-up.

Once you verify anything of the above, we may continue.
9
P132, P164, P232(U) and P332 RDS Encoders / p232 chip control problem
« Last post by suricato on January 07, 2026, 03:16:01 pm »
Hi, i'm using p232 chip by raspberry cm4, i'm using /dev/ttyAMA1 serial, the test code is for example: 

import serial
import time

ser = serial.Serial(
    "/dev/ttyAMA1",
    baudrate=19200,
    timeout=2
)

# Attendi che il P232 sia pronto (15 secondi da power-up)
print("Aspetto la risposta iniziale dal P232...")
time.sleep(15)
data = ser.read(64)
print("Inizializzazione:", data)

# Manda un comando valido (dipende dal firmware)
ser.write(b'LEVEL\n')
time.sleep(0.5)
response = ser.read(128)
print("Risposta:", response)

ser.close()

no reply from p232 chip,attached there is the board schematic, the raspberry cm4 uart are DSP_UART0_RDS_TX, and DSP_UART0_RDS_RX

the p232 chip doesn't work, i don't understand that
10
Configuration Options and Possibilities / Re: Add icecast2 exampe how to update artist and title in the guide
« Last post by Jan on January 07, 2026, 08:51:05 am »
Haven't tried it in a long time but I think that correct command should be

Code: [Select]
sendhttp url:"http://source:ccITu2xk@sapircast.caster.fm:14744/admin/metadata.xsl?mount=/8KY&mode=updinfo&song=%data%"
For more information, please find out what valid URL formats are and what URL format Icecast requires.
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