// // FILE: testFRAMPerformance.ino // AUTHOR: Rob Tillaart // PURPOSE: test for FRAM library for Arduino // URL: https://github.com/RobTillaart/FRAM_I2C // #include "FRAM.h" FRAM fram; uint32_t start; uint32_t stop; int ar[600]; void setup() { Serial.begin(115200); Serial.println(__FILE__); Serial.print("FRAM_LIB_VERSION: "); Serial.println(FRAM_LIB_VERSION); Serial.println(); Serial.println(); Wire.begin(); int rv = fram.begin(0x50); if (rv != 0) { Serial.println(rv); } else { for (int s = 1; s < 9; s++) // test up to 800 KB { uint32_t speed = s * 100000UL; Serial.print("CLOCK: "); Serial.println(speed); Wire.setClock(speed); testReadWriteLarge(); } Wire.setClock(100000); } Serial.println("done..."); } void loop() { } void testReadWriteLarge() { Serial.println(); Serial.println(__FUNCTION__); for (int i = 0; i < 600; i++) ar[i] = i; start = millis(); fram.write(1000, (uint8_t*)ar, 1200); stop = millis(); Serial.print("WRITE 1200 bytes TIME:\t"); Serial.print(stop - start); Serial.println(" ms"); for (int i = 0; i < 600; i++) ar[i] = 0; start = millis(); fram.read(1000, (uint8_t*)ar, 1200); stop = millis(); Serial.print("READ 1200 bytes TIME:\t"); Serial.print(stop - start); Serial.println(" ms"); for (int i = 0; i < 600; i++) { if (ar[i] != i) { Serial.print("FAIL: \t"); Serial.print(ar[i]); Serial.print('\t'); Serial.println(i); } } Serial.println(); } // -- END OF FILE --