RS41 project

• Some C projects for Vaisala RS41 radiosonde with stm32f100c8 MCU
• Using QtCreator as IDE and Makefile file for compilling,
• Developen with 'LibOpenCM3' firmware library http://libopencm3.org/
• For erase and write code is st-flash used https://github.com/stlink-org/stlink

Projects

• test* - Incomplete test projects
• blink - Blinking with two onboard leds using stupid delay loop
• fancyblink - Blinking with two onboard leds using timer and millis counter
• si4032_cw - ISM band CW transmitter using Si4032 onboard chip
• si4032_fifo - ISM band transmitter using Si4032 onboard chip, use FIFO mode and GFSK modulation, short packet transmission
• adc_uart - Measure MCU voltage and send it over UART
• si4032_long_packet - ISM band transmitter using Si4032 onboard chip, use FIFO mode and GFSK modulation, long packet transmission
• si4032_infinite_packet - ISM band transmitter using Si4032 onboard chip, use FIFO mode and GFSK modulation, packet length over 255 bytes, tx packet handler is off
• si4032_infinite_manchester - ISM band transmitter using Si4032 onboard chip, use FIFO mode and GFSK modulation, continuous packet transmission with Manchester coding, , tx packet handler is off
• si4032_aprs - APRS tracker, use FIFO mode and GFSK modulation
• si4032_rtl433 - Sending temperature and humidity to weather station
• si4032_marker - Channel marker, use FIFO mode with baudrate changing
• ublox6 - Serial print and packet sending with GPS information
• ptu_reading - Try attempting to read PTU :-)
• sounding_sonde - Prepare sonde for launch with baloon :-)

Si4032 datasheet

• Si4030/31/32 ISM TRANSMITTER - https://www.silabs.com/documents/public/data-sheets/Si4030-31-32.pdf
• Si4030/31/32 REGISTER DESCRIPTIONS - https://www.silabs.com/documents/public/application-notes/AN466.pdf
• FIFO MODE, DIRECT MODE, AND PACKET HANDLER OPERATION FOR EZRADIOPRO - https://www.silabs.com/documents/public/application-notes/AN537.pdf
• EZRADIOPRO® PROGRAMMING GUIDE - https://www.silabs.com/documents/public/application-notes/AN415.pdf

Ublox UBX-G6010-ST datasheet

• Product summary - https://www.u-blox.com/sites/default/files/products/documents/UBX-G6010-ST_ProductSummary_%28GPS.G6-HW-09001%29.pdf
• UBX-G6010 datasheet - http://innovictor.com/pdf/UBXG6010_UBXG600_UBXG0010_DataSheet_GPS%20G6-X-09004_Confidential.pdf
• Protocol Specification V14 - https://www.u-blox.com/sites/default/files/products/documents/u-blox6-GPS-GLONASS-QZSS-V14_ReceiverDescrProtSpec_%28GPS.G6-SW-12013%29_Public.pdf

PTU chips datasheet

• Hex unbuffered inverter - https://assets.nexperia.com/documents/data-sheet/74HCU04.pdf
• Triple buffer - https://assets.nexperia.com/documents/data-sheet/74LVC3G34.pdf
• Low-voltage,single-supply,4-channelspst analogswitch - https://www.ti.com/lit/ds/symlink/ts3a4751.pdf
• SPDT Analog Switch Single-Channel 2:1 Multiplexer and Demultiplexer - https://www.ti.com/lit/ds/symlink/ts5a9411.pdf
• TinyLogic UHS 3-Input NORGate - https://www.onsemi.com/pdf/datasheet/nc7sz27-d.pdf