{"id":21849364,"url":"https://github.com/iliasam/esp32_sdr_gps","last_synced_at":"2025-10-08T11:30:20.944Z","repository":{"id":225730669,"uuid":"755176467","full_name":"iliasam/ESP32_SDR_GPS","owner":"iliasam","description":"Software GPS receiver for ESP32","archived":false,"fork":false,"pushed_at":"2024-03-06T12:45:27.000Z","size":851,"stargazers_count":31,"open_issues_count":0,"forks_count":10,"subscribers_count":4,"default_branch":"main","last_synced_at":"2024-11-28T00:12:32.993Z","etag":null,"topics":["dsp","esp32","gps","lvgl","sdr"],"latest_commit_sha":null,"homepage":"https://habr.com/ru/articles/789382/","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/iliasam.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2024-02-09T15:29:58.000Z","updated_at":"2024-11-24T18:37:25.000Z","dependencies_parsed_at":"2024-03-04T01:28:20.685Z","dependency_job_id":null,"html_url":"https://github.com/iliasam/ESP32_SDR_GPS","commit_stats":null,"previous_names":["iliasam/esp32_sdr_gps"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iliasam%2FESP32_SDR_GPS","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iliasam%2FESP32_SDR_GPS/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iliasam%2FESP32_SDR_GPS/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/iliasam%2FESP32_SDR_GPS/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/iliasam","download_url":"https://codeload.github.com/iliasam/ESP32_SDR_GPS/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":235706036,"owners_count":19032597,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["dsp","esp32","gps","lvgl","sdr"],"created_at":"2024-11-28T00:12:37.288Z","updated_at":"2025-10-08T11:30:15.601Z","avatar_url":"https://github.com/iliasam.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ESP32_SDR_GPS\nSoftware GPS receiver for ESP32  \nSee article (in Russian): https://habr.com/ru/articles/789382/  \nYou can find same project for **STM32** here: https://github.com/iliasam/STM32F4_SDR_GPS  \n  \nThis is a demo project of ESP32 based SDR GPS receiver.  \nNo additional factory/commercial \"black box\" GPS receiver is needed here - just connect MAX2769 to the ESP32 MCU.  \nAll \"raw\" GPS signal processing is done at the ESP32.  \nResults of the receiving are displayed at the LCD:   \n\u003cimg src=\"https://github.com/iliasam/ESP32_SDR_GPS/blob/main/Images/photo.jpg\" width=\"500\"\u003e \n  \n\u003cimg src=\"https://github.com/iliasam/ESP32_SDR_GPS/blob/main/Images/Drawing_esp32b.png\" width=\"800\"\u003e  \n  \n**Video about this project:**  \nhttps://youtu.be/1hBnaDsQgMc  \n  \nConfigured for ESP32-2432S024C board (SPI ILI9341 + CST820 capacitive touchscreen) - CYD variant.  \n-O2 optimization is used here  \nRTOS tick period - 1ms  \nLCD+Touch pinout is set by menuconfig  \nLVGL 8.3.0 is a managed component, must be downloaded by ESP-IDF  \nESP-IDF 5.0 is used here  \n\nUser must enter PRN codes of 4 satellites in GUI before start.  \nUser can enter Doppler frequency offset to make acquisition much faster. \"-\" symbol is entered by holding \"delete\" GUI key.  \n\nCompiler output:  \nTotal sizes:\nUsed static DRAM:  134404 bytes (  46332 remain, 74.4% used)  \n      .data size:    8372 bytes  \n      .bss  size:  126032 bytes  \nUsed static IRAM:   58930 bytes (  72142 remain, 45.0% used)  \n      .text size:   57903 bytes  \n   .vectors size:    1027 bytes  \nUsed Flash size :  480075 bytes  \n      .text     :  393267 bytes  \n      .rodata   :   86552 bytes  \nTotal image size:  547377 bytes (.bin may be padded larger)  \n  \nRF frontend pinout (See config.h):  \n#define GPS_SPI_CLK_PIN     18 //MAX2769 - CLKOUT  \n#define GPS_SPI_MOSI_PIN    23 //MAX2769 - I1  \n#define GPS_SPI_CS_PIN      5  //To GND  \n  \nPart of the code is taken from these projects:  \nhttps://github.com/tomojitakasu/RTKLIB  \nhttps://github.com/taroz/GNSS-SDRLIB  \nhttps://github.com/VitorAlho/lvgl_esp32_drivers  \n\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filiasam%2Fesp32_sdr_gps","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Filiasam%2Fesp32_sdr_gps","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filiasam%2Fesp32_sdr_gps/lists"}