/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- /* * Example of DataFlash library. * originally based on code by Jordi MuĂ’oz and Jose Julio */ // Libraries #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER; #if CONFIG_HAL_BOARD == HAL_BOARD_APM2 DataFlash_APM2 DataFlash; #elif CONFIG_HAL_BOARD == HAL_BOARD_APM1 DataFlash_APM1 DataFlash; #else DataFlash_Empty DataFlash; #endif #define LOG_TEST_MSG 1 struct PACKED log_Test { LOG_PACKET_HEADER; uint16_t v1, v2, v3, v4; int32_t l1, l2; }; static const struct LogStructure log_structure[] PROGMEM = { LOG_COMMON_STRUCTURES, { LOG_TEST_MSG, sizeof(log_Test), "TEST", "HHHHii", "V1,V2,V3,V4,L1,L2" } }; #define NUM_PACKETS 500 static uint16_t log_num; void setup() { DataFlash.Init(log_structure, sizeof(log_structure)/sizeof(log_structure[0])); hal.console->println("Dataflash Log Test 1.0"); // Test hal.scheduler->delay(20); DataFlash.ReadManufacturerID(); hal.scheduler->delay(10); DataFlash.ShowDeviceInfo(hal.console); if (DataFlash.NeedErase()) { hal.console->println("Erasing..."); DataFlash.EraseAll(); } // We start to write some info (sequentialy) starting from page 1 // This is similar to what we will do... log_num = DataFlash.StartNewLog(); hal.console->printf("Using log number %u\n", log_num); hal.console->println("After testing perform erase before using DataFlash for logging!"); hal.console->println(""); hal.console->println("Writing to flash... wait..."); uint32_t total_micros = 0; uint16_t i; for (i = 0; i < NUM_PACKETS; i++) { uint32_t start = hal.scheduler->micros(); // note that we use g++ style initialisers to make larger // structures easier to follow struct log_Test pkt = { LOG_PACKET_HEADER_INIT(LOG_TEST_MSG), v1 : 2000 + i, v2 : 2001 + i, v3 : 2002 + i, v4 : 2003 + i, l1 : (long)i * 5000, l2 : (long)i * 16268 }; DataFlash.WriteBlock(&pkt, sizeof(pkt)); total_micros += hal.scheduler->micros() - start; hal.scheduler->delay(20); } hal.console->printf("Average write time %.1f usec/byte\n", (double)total_micros/((float)i*sizeof(struct log_Test))); hal.scheduler->delay(100); } static void print_mode(AP_HAL::BetterStream *port, uint8_t mode) { port->printf_P(PSTR("Mode(%u)"), (unsigned)mode); } void loop() { uint16_t start, end; hal.console->printf("Start read of log %u\n", log_num); DataFlash.get_log_boundaries(log_num, start, end); DataFlash.LogReadProcess(log_num, start, end, print_mode, hal.console); hal.console->printf("\nTest complete. Test will repeat in 20 seconds\n"); hal.scheduler->delay(20000); } AP_HAL_MAIN();