76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
#include "SPI.h"
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#include "SD.h"
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#include "SD_MMC.h"
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#define PIN_AUDIO_KIT_SD_CARD_CS 13
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#define PIN_AUDIO_KIT_SD_CARD_MISO 2
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#define PIN_AUDIO_KIT_SD_CARD_MOSI 15
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#define PIN_AUDIO_KIT_SD_CARD_CLK 14
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uint8_t data[1024 * 100];
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int len[] = { 1, 5, 10, 25, 100, 256, 512, 1024, 1024 * 10, 1024 * 100 };
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size_t totalSize = 1024 * 1024 * 1;
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const char* test_file = "/test.txt";
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void testWrite(Stream& file, int writeSize, int totalSize) {
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memset(data, 0, sizeof(data));
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int32_t start = millis();
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while (totalSize > 0) {
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int written = file.write(data, min(writeSize, totalSize));
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//Serial.println(written);
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//assert(written > 0);
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totalSize -= written;
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}
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}
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void testRead(Stream& file, int readSize, int totalSize) {
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memset(data, 0, sizeof(data));
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while (totalSize > 0) {
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int read = file.readBytes(data, min(readSize, totalSize));
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//assert(read>0);
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totalSize -= read;
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}
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}
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void logTime(uint32_t start, int i, const char* name, const char* op) {
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int32_t time = millis() - start;
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float thru = (float)totalSize / (float)time / 1000.0;
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Serial.printf("%s, %s, %d, %d, %f\n", op, name, i, time, thru);
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}
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template<typename SD, typename Open>
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void testFS(const char* name, SD& sd, Open write, Open read) {
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for (int i : len) {
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int32_t start = millis();
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auto file = sd.open(test_file, write);
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file.seek(0);
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assert(file);
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testWrite(file, i, totalSize);
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file.close();
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logTime(start, i, name, "Write");
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}
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for (int i : len) {
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int32_t start = millis();
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auto file = sd.open(test_file, read);
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assert(file);
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testRead(file, i, totalSize);
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file.close();
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logTime(start, i, name, "Read");
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}
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sd.end();
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}
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void setup() {
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Serial.begin(115200);
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SPI.begin(PIN_AUDIO_KIT_SD_CARD_CLK, PIN_AUDIO_KIT_SD_CARD_MISO, PIN_AUDIO_KIT_SD_CARD_MOSI, PIN_AUDIO_KIT_SD_CARD_CS);
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while (!SD.begin(PIN_AUDIO_KIT_SD_CARD_CS)) {
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Serial.println("SD error");
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delay(1000);
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}
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testFS<fs::SDFS, const char*>("SD", SD, FILE_WRITE, FILE_READ);
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}
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void loop() {} |