mirror of
https://github.com/felis/USB_Host_Shield_2.0.git
synced 2024-03-22 11:31:26 +01:00
728 lines
30 KiB
C++
728 lines
30 KiB
C++
/*
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* Mega + USB storage + optional DS1307 + optional expansion RAM + funky status LED,
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* Includes interactive debug level setting, and supports hot-plug.
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*
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* IMPORTANT! PLEASE USE Arduino 1.0.5 or better!
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* Older versions HAVE MAJOR BUGS AND WILL NOT WORK AT ALL!
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* Use of gcc-avr and lib-c that is newer than the Arduino version is even better.
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* If you experience random crashes, use make.
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* The options that the IDE use can generate bad code and cause the AVR to crash.
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*
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* This sketch requires the following libraries:
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* https://github.com/felis/USB_Host_Shield_2.0 Install as 'USB_Host_Shield_2_0'
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* https://github.com/xxxajk/xmem2 Install as 'xmem', provides memory services.
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* https://github.com/xxxajk/generic_storage provides access to FAT file system.
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* https://github.com/xxxajk/RTClib provides access to DS1307, or fake clock.
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*
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* Optional, to use the Makefile (Recommended! See above!):
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* https://github.com/xxxajk/Arduino_Makefile_master
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*
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*/
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// You can set this to 0 if you are not using a USB hub.
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// It will save a little bit of flash and RAM.
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// Set to 1 if you want to use a hub.
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#define WANT_HUB_TEST 0
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/////////////////////////////////////////////////////////////
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// Please Note: This section is for Arduino IDE ONLY. //
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// Use of Make creates a flash image that is 3.3KB smaller //
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/////////////////////////////////////////////////////////////
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#ifndef USING_MAKEFILE
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// Uncomment to enable debugging
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//#define DEBUG_USB_HOST
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// This is where stderr/USB debugging goes to
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#define USB_HOST_SERIAL Serial3
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// If you have external memory, setting this to 0 enables FAT table caches.
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// The 0 setting is recommended only if you have external memory.
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#define _FS_TINY 1
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// These you can safely leave alone.
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#define _USE_LFN 3
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#define EXT_RAM_STACK 1
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#define EXT_RAM_HEAP 1
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#define _MAX_SS 512
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#endif
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/////////////////////////////////////////////////////////////
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// End of Arduino IDE specific hacks //
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/////////////////////////////////////////////////////////////
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#if defined(AVR)
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#include <xmem.h>
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#else
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#include <spi4teensy3.h>
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#endif
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#if WANT_HUB_TEST
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#include <usbhub.h>
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#endif
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#include <masstorage.h>
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#include <Storage.h>
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#include <PCpartition/PCPartition.h>
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#include <avr/interrupt.h>
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#include <FAT/FAT.h>
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#include <Wire.h>
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#include <RTClib.h>
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#include <stdio.h>
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#if defined(AVR)
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static FILE tty_stdio;
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static FILE tty_stderr;
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volatile uint32_t LEDnext_time; // fade timeout
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volatile uint32_t HEAPnext_time; // when to print out next heap report
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volatile int brightness = 0; // how bright the LED is
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volatile int fadeAmount = 80; // how many points to fade the LED by
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#endif
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USB Usb;
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volatile uint8_t current_state = 1;
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volatile uint8_t last_state = 0;
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volatile boolean fatready = false;
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volatile boolean partsready = false;
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volatile boolean notified = false;
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volatile boolean runtest = false;
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volatile boolean usbon = false;
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volatile uint32_t usbon_time;
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volatile boolean change = false;
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volatile boolean reportlvl = false;
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int cpart = 0;
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PCPartition *PT;
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#if WANT_HUB_TEST
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#define MAX_HUBS 1
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USBHub *Hubs[MAX_HUBS];
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#endif
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static PFAT *Fats[_VOLUMES];
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static part_t parts[_VOLUMES];
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static storage_t sto[_VOLUMES];
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/*make sure this is a power of two. */
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#define mbxs 128
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static uint8_t My_Buff_x[mbxs]; /* File read buffer */
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#if defined(AVR)
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#define prescale1 ((1 << WGM12) | (1 << CS10))
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#define prescale8 ((1 << WGM12) | (1 << CS11))
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#define prescale64 ((1 << WGM12) | (1 << CS10) | (1 << CS11))
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#define prescale256 ((1 << WGM12) | (1 << CS12))
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#define prescale1024 ((1 << WGM12) | (1 << CS12) | (1 << CS10))
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extern "C" unsigned int freeHeap();
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static int tty_stderr_putc(char c, FILE *t) {
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USB_HOST_SERIAL.write(c);
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return 0;
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}
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static int tty_stderr_flush(FILE *t) {
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USB_HOST_SERIAL.flush();
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return 0;
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}
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static int tty_std_putc(char c, FILE *t) {
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Serial.write(c);
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return 0;
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}
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static int tty_std_getc(FILE *t) {
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while (!Serial.available());
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return Serial.read();
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}
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static int tty_std_flush(FILE *t) {
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Serial.flush();
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return 0;
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}
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#else
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extern "C" {
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int _write(int fd, const char *ptr, int len) {
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int j;
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for (j = 0; j < len; j++) {
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if (fd == 1)
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Serial.write(*ptr++);
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else if (fd == 2)
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USB_HOST_SERIAL.write(*ptr++);
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}
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return len;
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}
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int _read(int fd, char *ptr, int len) {
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if (len > 0 && fd == 0) {
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while (!Serial.available());
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*ptr = Serial.read();
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return 1;
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}
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return 0;
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}
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#include <sys/stat.h>
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int _fstat(int fd, struct stat *st) {
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memset(st, 0, sizeof (*st));
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st->st_mode = S_IFCHR;
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st->st_blksize = 1024;
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return 0;
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}
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int _isatty(int fd) {
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return (fd < 3) ? 1 : 0;
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}
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}
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#endif
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void setup() {
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boolean serr = false;
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for (int i = 0; i < _VOLUMES; i++) {
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Fats[i] = NULL;
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sto[i].private_data = new pvt_t;
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((pvt_t *)sto[i].private_data)->B = 255; // impossible
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}
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// Set this to higher values to enable more debug information
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// minimum 0x00, maximum 0xff
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UsbDEBUGlvl = 0x51;
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#if defined(AVR)
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// make LED pin as an output:
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pinMode(LED_BUILTIN, OUTPUT);
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pinMode(2, OUTPUT);
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// Ensure TX is off
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_SFR_BYTE(UCSR0B) &= ~_BV(TXEN0);
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// Initialize 'debug' serial port
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USB_HOST_SERIAL.begin(115200);
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// Do not start primary Serial port if already started.
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if (bit_is_clear(UCSR0B, TXEN0)) {
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Serial.begin(115200);
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serr = true;
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}
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// Set up stdio/stderr
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tty_stdio.put = tty_std_putc;
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tty_stdio.get = tty_std_getc;
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tty_stdio.flags = _FDEV_SETUP_RW;
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tty_stdio.udata = 0;
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tty_stderr.put = tty_stderr_putc;
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tty_stderr.get = NULL;
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tty_stderr.flags = _FDEV_SETUP_WRITE;
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tty_stderr.udata = 0;
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stdout = &tty_stdio;
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stdin = &tty_stdio;
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stderr = &tty_stderr;
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// Blink LED
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delay(500);
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analogWrite(LED_BUILTIN, 255);
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delay(500);
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analogWrite(LED_BUILTIN, 0);
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delay(500);
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#else
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while (!Serial);
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#endif
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printf_P(PSTR("\r\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nStart\r\n"));
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printf_P(PSTR("Current UsbDEBUGlvl %02x\r\n"), UsbDEBUGlvl);
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printf_P(PSTR("'+' and '-' increase/decrease by 0x01\r\n"));
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printf_P(PSTR("'.' and ',' increase/decrease by 0x10\r\n"));
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printf_P(PSTR("'t' will run a 10MB write/read test and print out the time it took.\r\n"));
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printf_P(PSTR("'e' will toggle vbus off for a few moments.\r\n\r\n"));
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printf_P(PSTR("Long filename support: "
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#if _USE_LFN
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"Enabled"
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#else
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"Disabled"
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#endif
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"\r\n"));
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if (serr) {
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fprintf_P(stderr, PSTR("\r\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nStart\r\n"));
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fprintf_P(stderr, PSTR("Current UsbDEBUGlvl %02x\r\n"), UsbDEBUGlvl);
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fprintf_P(stderr, PSTR("Long filename support: "
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#if _USE_LFN
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"Enabled"
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#else
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"Disabled"
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#endif
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"\r\n"));
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}
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#if defined(AVR)
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analogWrite(LED_BUILTIN, 255);
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delay(500);
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analogWrite(LED_BUILTIN, 0);
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delay(500);
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analogWrite(LED_BUILTIN, 255);
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delay(500);
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analogWrite(LED_BUILTIN, 0);
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delay(500);
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analogWrite(LED_BUILTIN, 255);
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delay(500);
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analogWrite(LED_BUILTIN, 0);
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delay(500);
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LEDnext_time = millis() + 1;
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#ifdef EXT_RAM
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printf_P(PSTR("Total EXT RAM banks %i\r\n"), xmem::getTotalBanks());
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#endif
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printf_P(PSTR("Available heap: %u Bytes\r\n"), freeHeap());
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printf_P(PSTR("SP %x\r\n"), (uint8_t *)(SP));
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#endif
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// Even though I'm not going to actually be deleting,
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// I want to be able to have slightly more control.
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// Besides, it is easier to initialize stuff...
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#if WANT_HUB_TEST
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for (int i = 0; i < MAX_HUBS; i++) {
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Hubs[i] = new USBHub(&Usb);
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#if defined(AVR)
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printf_P(PSTR("Available heap: %u Bytes\r\n"), freeHeap());
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#endif
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}
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#endif
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// Initialize generic storage. This must be done before USB starts.
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InitStorage();
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while (Usb.Init(1000) == -1) {
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printf_P(PSTR("No USB HOST Shield?\r\n"));
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Notify(PSTR("OSC did not start."), 0x40);
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}
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#if defined(AVR)
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cli();
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TCCR3A = 0;
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TCCR3B = 0;
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// (0.01/(1/((16 *(10^6)) / 8))) - 1 = 19999
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OCR3A = 19999;
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TCCR3B |= prescale8;
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TIMSK3 |= (1 << OCIE1A);
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sei();
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HEAPnext_time = millis() + 10000;
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#else
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#if 0
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//
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// On the teensy 3 we can raise the speed of SPI here.
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//
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// Default seen is 0xB8011001.
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//
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uint32_t ctar = SPI0_CTAR0;
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//printf("SPI_CTAR0 = %8.8X\r\n", ctar);
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ctar &= 0x7FFCFFF0; // 1/4 fSYS, 12.5Mhz
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//printf("SPI_CTAR0 = %8.8X\r\n", ctar);
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ctar |= 0x80000000; // 1/2 fSYS 25Mhz
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//printf("SPI_CTAR0 = %8.8X\r\n", ctar);
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uint32_t mcr = SPI0_MCR;
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if (mcr & SPI_MCR_MDIS) {
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SPI0_CTAR0 = ctar;
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} else {
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SPI0_MCR = mcr | SPI_MCR_MDIS | SPI_MCR_HALT;
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SPI0_CTAR0 = ctar;
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SPI0_MCR = mcr;
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}
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#endif
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#endif
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}
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void serialEvent() {
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// Adjust UsbDEBUGlvl level on-the-fly.
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// + to increase, - to decrease, * to display current level.
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// . to increase by 16, , to decrease by 16
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// e to flick VBUS
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// * to report debug level
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if (Serial.available()) {
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int inByte = Serial.read();
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switch (inByte) {
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case '+':
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if (UsbDEBUGlvl < 0xff) UsbDEBUGlvl++;
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reportlvl = true;
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break;
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case '-':
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if (UsbDEBUGlvl > 0x00) UsbDEBUGlvl--;
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reportlvl = true;
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break;
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case '.':
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if (UsbDEBUGlvl < 0xf0) UsbDEBUGlvl += 16;
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reportlvl = true;
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break;
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case ',':
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if (UsbDEBUGlvl > 0x0f) UsbDEBUGlvl -= 16;
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reportlvl = true;
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break;
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case '*':
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reportlvl = true;
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break;
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case 't':
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runtest = true;
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break;
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case 'e':
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change = true;
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usbon = false;
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break;
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}
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}
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}
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#if defined(AVR)
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ISR(TIMER3_COMPA_vect) {
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if (millis() >= LEDnext_time) {
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LEDnext_time = millis() + 30;
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// set the brightness of LED
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analogWrite(LED_BUILTIN, brightness);
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// change the brightness for next time through the loop:
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brightness = brightness + fadeAmount;
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// reverse the direction of the fading at the ends of the fade:
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if (brightness <= 0) {
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brightness = 0;
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fadeAmount = -fadeAmount;
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}
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if (brightness >= 255) {
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brightness = 255;
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fadeAmount = -fadeAmount;
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}
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}
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}
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#endif
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bool isfat(uint8_t t) {
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return (t == 0x01 || t == 0x04 || t == 0x06 || t == 0x0b || t == 0x0c || t == 0x0e || t == 0x1);
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}
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void die(FRESULT rc) {
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printf_P(PSTR("Failed with rc=%u.\r\n"), rc);
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//for (;;);
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}
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void loop() {
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FIL My_File_Object_x; /* File object */
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#if defined(AVR)
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// Print a heap status report about every 10 seconds.
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if (millis() >= HEAPnext_time) {
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if (UsbDEBUGlvl > 0x50) {
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printf_P(PSTR("Available heap: %u Bytes\r\n"), freeHeap());
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}
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HEAPnext_time = millis() + 10000;
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}
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TCCR3B = 0;
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#else
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// Arm suffers here, oh well...
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serialEvent();
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#endif
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// Horrid! This sort of thing really belongs in an ISR, not here!
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// We also will be needing to test each hub port, we don't do this yet!
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if (!change && !usbon && millis() >= usbon_time) {
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change = true;
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usbon = true;
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}
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if (change) {
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change = false;
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if (usbon) {
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Usb.vbusPower(vbus_on);
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printf_P(PSTR("VBUS on\r\n"));
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} else {
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Usb.vbusPower(vbus_off);
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usbon_time = millis() + 2000;
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}
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}
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Usb.Task();
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current_state = Usb.getUsbTaskState();
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if (current_state != last_state) {
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if (UsbDEBUGlvl > 0x50)
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printf_P(PSTR("USB state = %x\r\n"), current_state);
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#if defined(AVR)
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if (current_state == USB_STATE_RUNNING) {
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fadeAmount = 30;
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}
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#endif
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if (current_state == USB_DETACHED_SUBSTATE_WAIT_FOR_DEVICE) {
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#if defined(AVR)
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fadeAmount = 80;
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#endif
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partsready = false;
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for (int i = 0; i < cpart; i++) {
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if (Fats[i] != NULL)
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delete Fats[i];
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Fats[i] = NULL;
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}
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fatready = false;
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notified = false;
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cpart = 0;
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}
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last_state = current_state;
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}
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// only do any of this if usb is on
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if (usbon) {
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if (partsready && !fatready) {
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if (cpart > 0) fatready = true;
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}
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// This is horrible, and needs to be moved elsewhere!
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for (int B = 0; B < MAX_USB_MS_DRIVERS; B++) {
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if (!partsready && (Bulk[B]->GetAddress() != NULL)) {
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// Build a list.
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int ML = Bulk[B]->GetbMaxLUN();
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//printf("MAXLUN = %i\r\n", ML);
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ML++;
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for (int i = 0; i < ML; i++) {
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if (Bulk[B]->LUNIsGood(i)) {
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partsready = true;
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((pvt_t *)(sto[i].private_data))->lun = i;
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((pvt_t *)(sto[i].private_data))->B = B;
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sto[i].Read = *PRead;
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sto[i].Write = *PWrite;
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sto[i].Reads = *PReads;
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sto[i].Writes = *PWrites;
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sto[i].Status = *PStatus;
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sto[i].TotalSectors = Bulk[B]->GetCapacity(i);
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sto[i].SectorSize = Bulk[B]->GetSectorSize(i);
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printf_P(PSTR("LUN:\t\t%u\r\n"), i);
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printf_P(PSTR("Total Sectors:\t%08lx\t%lu\r\n"), sto[i].TotalSectors, sto[i].TotalSectors);
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printf_P(PSTR("Sector Size:\t%04x\t\t%u\r\n"), sto[i].SectorSize, sto[i].SectorSize);
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// get the partition data...
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PT = new PCPartition;
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if (!PT->Init(&sto[i])) {
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part_t *apart;
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for (int j = 0; j < 4; j++) {
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apart = PT->GetPart(j);
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|
if (apart != NULL && apart->type != 0x00) {
|
|
memcpy(&(parts[cpart]), apart, sizeof (part_t));
|
|
printf_P(PSTR("Partition %u type %#02x\r\n"), j, parts[cpart].type);
|
|
// for now
|
|
if (isfat(parts[cpart].type)) {
|
|
Fats[cpart] = new PFAT(&sto[i], cpart, parts[cpart].firstSector);
|
|
//int r = Fats[cpart]->Good();
|
|
if (Fats[cpart]->Good()) {
|
|
delete Fats[cpart];
|
|
Fats[cpart] = NULL;
|
|
} else cpart++;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// try superblock
|
|
Fats[cpart] = new PFAT(&sto[i], cpart, 0);
|
|
//int r = Fats[cpart]->Good();
|
|
if (Fats[cpart]->Good()) {
|
|
//printf_P(PSTR("Superblock error %x\r\n"), r);
|
|
delete Fats[cpart];
|
|
Fats[cpart] = NULL;
|
|
} else cpart++;
|
|
|
|
}
|
|
delete PT;
|
|
} else {
|
|
sto[i].Read = NULL;
|
|
sto[i].Write = NULL;
|
|
sto[i].Writes = NULL;
|
|
sto[i].Reads = NULL;
|
|
sto[i].TotalSectors = 0UL;
|
|
sto[i].SectorSize = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (fatready) {
|
|
if (Fats[0] != NULL) {
|
|
struct Pvt * p;
|
|
p = ((struct Pvt *)(Fats[0]->storage->private_data));
|
|
if (!Bulk[p->B]->LUNIsGood(p->lun)) {
|
|
// media change
|
|
#if defined(AVR)
|
|
fadeAmount = 80;
|
|
#endif
|
|
partsready = false;
|
|
for (int i = 0; i < cpart; i++) {
|
|
if (Fats[i] != NULL)
|
|
delete Fats[i];
|
|
Fats[cpart] = NULL;
|
|
}
|
|
fatready = false;
|
|
notified = false;
|
|
cpart = 0;
|
|
}
|
|
|
|
}
|
|
}
|
|
if (fatready) {
|
|
FRESULT rc; /* Result code */
|
|
UINT bw, br, i;
|
|
|
|
if (!notified) {
|
|
#if defined(AVR)
|
|
fadeAmount = 5;
|
|
#endif
|
|
notified = true;
|
|
printf_P(PSTR("\r\nOpen an existing file (message.txt).\r\n"));
|
|
rc = f_open(&My_File_Object_x, "0:/MESSAGE.TXT", FA_READ);
|
|
if (rc) printf_P(PSTR("Error %i, message.txt not found.\r\n"), rc);
|
|
else {
|
|
printf_P(PSTR("\r\nType the file content.\r\n"));
|
|
for (;;) {
|
|
rc = f_read(&My_File_Object_x, My_Buff_x, mbxs, &br); /* Read a chunk of file */
|
|
if (rc || !br) break; /* Error or end of file */
|
|
for (i = 0; i < br; i++) {
|
|
/* Type the data */
|
|
if (My_Buff_x[i] == '\n')
|
|
Serial.write('\r');
|
|
if (My_Buff_x[i] != '\r')
|
|
Serial.write(My_Buff_x[i]);
|
|
Serial.flush();
|
|
}
|
|
}
|
|
if (rc) {
|
|
f_close(&My_File_Object_x);
|
|
goto out;
|
|
}
|
|
|
|
printf_P(PSTR("\r\nClose the file.\r\n"));
|
|
rc = f_close(&My_File_Object_x);
|
|
if (rc) goto out;
|
|
}
|
|
printf_P(PSTR("\r\nCreate a new file (hello.txt).\r\n"));
|
|
rc = f_open(&My_File_Object_x, "0:/Hello.TxT", FA_WRITE | FA_CREATE_ALWAYS);
|
|
if (rc) {
|
|
die(rc);
|
|
goto outdir;
|
|
}
|
|
printf_P(PSTR("\r\nWrite a text data. (Hello world!)\r\n"));
|
|
rc = f_write(&My_File_Object_x, "Hello world!\r\n", 14, &bw);
|
|
if (rc) {
|
|
goto out;
|
|
}
|
|
printf_P(PSTR("%u bytes written.\r\n"), bw);
|
|
|
|
printf_P(PSTR("\r\nClose the file.\r\n"));
|
|
rc = f_close(&My_File_Object_x);
|
|
if (rc) {
|
|
die(rc);
|
|
goto out;
|
|
}
|
|
outdir:
|
|
{
|
|
#if _USE_LFN
|
|
char lfn[_MAX_LFN + 1];
|
|
FILINFO My_File_Info_Object_x; /* File information object */
|
|
My_File_Info_Object_x.lfname = lfn;
|
|
#endif
|
|
DIR My_Dir_Object_x; /* Directory object */
|
|
printf_P(PSTR("\r\nOpen root directory.\r\n"));
|
|
rc = f_opendir(&My_Dir_Object_x, "0:/");
|
|
if (rc) {
|
|
die(rc);
|
|
goto out;
|
|
}
|
|
|
|
printf_P(PSTR("\r\nDirectory listing...\r\n"));
|
|
#if defined(AVR)
|
|
printf_P(PSTR("Available heap: %u Bytes\r\n"), freeHeap());
|
|
#endif
|
|
for (;;) {
|
|
#if _USE_LFN
|
|
My_File_Info_Object_x.lfsize = _MAX_LFN;
|
|
#endif
|
|
|
|
rc = f_readdir(&My_Dir_Object_x, &My_File_Info_Object_x); /* Read a directory item */
|
|
if (rc || !My_File_Info_Object_x.fname[0]) break; /* Error or end of dir */
|
|
|
|
if (My_File_Info_Object_x.fattrib & AM_DIR) {
|
|
Serial.write('d');
|
|
} else {
|
|
Serial.write('-');
|
|
}
|
|
Serial.write('r');
|
|
|
|
if (My_File_Info_Object_x.fattrib & AM_RDO) {
|
|
Serial.write('-');
|
|
} else {
|
|
Serial.write('w');
|
|
}
|
|
if (My_File_Info_Object_x.fattrib & AM_HID) {
|
|
Serial.write('h');
|
|
} else {
|
|
Serial.write('-');
|
|
}
|
|
|
|
if (My_File_Info_Object_x.fattrib & AM_SYS) {
|
|
Serial.write('s');
|
|
} else {
|
|
Serial.write('-');
|
|
}
|
|
|
|
if (My_File_Info_Object_x.fattrib & AM_ARC) {
|
|
Serial.write('a');
|
|
} else {
|
|
Serial.write('-');
|
|
}
|
|
|
|
#if _USE_LFN
|
|
if (*My_File_Info_Object_x.lfname)
|
|
printf_P(PSTR(" %8lu %s (%s)\r\n"), My_File_Info_Object_x.fsize, My_File_Info_Object_x.fname, My_File_Info_Object_x.lfname);
|
|
else
|
|
#endif
|
|
printf_P(PSTR(" %8lu %s\r\n"), My_File_Info_Object_x.fsize, &(My_File_Info_Object_x.fname[0]));
|
|
}
|
|
}
|
|
out:
|
|
if (rc) die(rc);
|
|
printf_P(PSTR("\r\nTest completed.\r\n"));
|
|
|
|
}
|
|
|
|
if (runtest) {
|
|
ULONG ii, wt, rt, start, end;
|
|
runtest = false;
|
|
f_unlink("0:/10MB.bin");
|
|
printf_P(PSTR("\r\nCreate a new 10MB test file (10MB.bin).\r\n"));
|
|
rc = f_open(&My_File_Object_x, "0:/10MB.bin", FA_WRITE | FA_CREATE_ALWAYS);
|
|
if (rc) goto failed;
|
|
for (bw = 0; bw < mbxs; bw++) My_Buff_x[bw] = bw & 0xff;
|
|
fflush(stdout);
|
|
start = millis();
|
|
while (start == millis());
|
|
for (ii = 10485760LU / mbxs; ii > 0LU; ii--) {
|
|
rc = f_write(&My_File_Object_x, My_Buff_x, mbxs, &bw);
|
|
if (rc || !bw) goto failed;
|
|
}
|
|
rc = f_close(&My_File_Object_x);
|
|
if (rc) goto failed;
|
|
end = millis();
|
|
wt = (end - start) - 1;
|
|
printf_P(PSTR("Time to write 10485760 bytes: %lu ms (%lu sec) \r\n"), wt, (500 + wt) / 1000UL);
|
|
rc = f_open(&My_File_Object_x, "0:/10MB.bin", FA_READ);
|
|
fflush(stdout);
|
|
start = millis();
|
|
while (start == millis());
|
|
if (rc) goto failed;
|
|
for (;;) {
|
|
rc = f_read(&My_File_Object_x, My_Buff_x, mbxs, &bw); /* Read a chunk of file */
|
|
if (rc || !bw) break; /* Error or end of file */
|
|
}
|
|
end = millis();
|
|
if (rc) goto failed;
|
|
rc = f_close(&My_File_Object_x);
|
|
if (rc) goto failed;
|
|
rt = (end - start) - 1;
|
|
printf_P(PSTR("Time to read 10485760 bytes: %lu ms (%lu sec)\r\nDelete test file\r\n"), rt, (500 + rt) / 1000UL);
|
|
failed:
|
|
if (rc) die(rc);
|
|
printf_P(PSTR("10MB timing test finished.\r\n"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|