Fontana Romain
Programme d'une sonde de température DHT 11 associée à de la sauvegarde de données sur clé USB et à l'affichage de ces données sur afficheur LCD
Dependencies: FatFileSystemCpp mbed
Revision 0:ed0b4e66d2ad, committed 2015-06-02
- Comitter:
- Fanta025
- Date:
- Tue Jun 02 14:19:54 2015 +0000
- Commit message:
- Programme d'une sonde de temp?rature DHT 11 associ?e ? de la sauvegarde de donn?es sur USB et un affichage sur ?cran LCD
Changed in this revision
diff -r 000000000000 -r ed0b4e66d2ad DHT.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,233 @@
+/*
+ * DHT Library for Digital-output Humidity and Temperature sensors
+ *
+ * Works with DHT11, DHT22
+ * SEN11301P, Grove - Temperature&Humidity Sensor (Seeed Studio)
+ * SEN51035P, Grove - Temperature&Humidity Sensor Pro (Seeed Studio)
+ * AM2302 , temperature-humidity sensor
+ * HM2303 , Digital-output humidity and temperature sensor
+ *
+ * Copyright (C) Wim De Roeve
+ * based on DHT22 sensor library by HO WING KIT
+ * Arduino DHT11 library
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documnetation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "DHT.h"
+
+#define DHT_DATA_BIT_COUNT 40
+
+DHT::DHT(PinName pin, eType DHTtype)
+{
+ _pin = pin;
+ _DHTtype = DHTtype;
+ _firsttime = true;
+}
+
+DHT::~DHT()
+{
+
+}
+
+eError DHT::stall(DigitalInOut &io, int const level, int const max_time)
+{
+ int cnt = 0;
+ while (level == io) {
+ if (cnt > max_time) {
+ return ERROR_NO_PATIENCE;
+ }
+ cnt++;
+ wait_us(1);
+ }
+ return ERROR_NONE;
+}
+
+eError DHT::readData()
+{
+ uint8_t i = 0, j = 0, b = 0, data_valid = 0;
+ uint32_t bit_value[DHT_DATA_BIT_COUNT] = {0};
+
+ eError err = ERROR_NONE;
+ time_t currentTime = time(NULL);
+
+ DigitalInOut DHT_io(_pin);
+
+ // IO must be in hi state to start
+ if (ERROR_NONE != stall(DHT_io, 0, 250)) {
+ return BUS_BUSY;
+ }
+
+ // start the transfer
+ DHT_io.output();
+ DHT_io = 0;
+ // only 500uS for DHT22 but 18ms for DHT11
+ // *** RF : Le signal de démarrage consiste à un niveau de tension bas sur la ligne de données pour un minimum
+ //de 18 ms pour s'assurer que la DHT11 détecte, suivie par une tension de pull-up pour environ 40US.
+ (_DHTtype == 11) ? wait_ms(18) : wait(1);
+ DHT_io = 1;
+ wait_us(30);
+ DHT_io.input();
+ // wait till the sensor grabs the bus
+ if (ERROR_NONE != stall(DHT_io, 1, 40)) {
+ return ERROR_NOT_PRESENT;
+ }
+ // sensor should signal low 80us and then hi 80us
+ // *** RF : Une fois que la DHT11 détecte le signal de démarrage, il enverra un signal basse tension en réponse à ce niveau, ce qui
+ //dure 80US. Ensuite, il fait passer le niveau de tension de faible à élevé et le maintient pour 80US.
+ if (ERROR_NONE != stall(DHT_io, 0, 100)) {
+ return ERROR_SYNC_TIMEOUT;
+ }
+ if (ERROR_NONE != stall(DHT_io, 1, 100)) {
+ return ERROR_NO_PATIENCE;
+ }
+ // capture the data
+ for (i = 0; i < 5; i++) {
+ for (j = 0; j < 8; j++) {
+ if (ERROR_NONE != stall(DHT_io, 0, 75)) {
+ return ERROR_DATA_TIMEOUT;
+ }
+ // logic 0 is 28us max, 1 is 70us
+ // *** RF : un bit 1 a une durée de 27uS en haute tension, un bit 0 a une durée de 70uS avec un niveau haut de tension
+ //Lorsque les données du dernier bit est transmis, DHT11 tire le niveau de tension vers le bas et de garde pour 50us,
+ wait_us(40);
+ bit_value[i*8+j] = DHT_io;
+ if (ERROR_NONE != stall(DHT_io, 1, 50)) {
+ return ERROR_DATA_TIMEOUT;
+ }
+ }
+ }
+ // store the data
+ for (i = 0; i < 5; i++) {
+ b=0;
+ for (j=0; j<8; j++) {
+ if (bit_value[i*8+j] == 1) {
+ b |= (1 << (7-j));
+ }
+ }
+ DHT_data[i]=b;
+ }
+
+ // uncomment to see the checksum error if it exists
+ //printf(" 0x%02x + 0x%02x + 0x%02x + 0x%02x = 0x%02x \n", DHT_data[0], DHT_data[1], DHT_data[2], DHT_data[3], DHT_data[4]);
+ data_valid = DHT_data[0] + DHT_data[1] + DHT_data[2] + DHT_data[3];
+ if (DHT_data[4] == data_valid) {
+ _lastReadTime = currentTime;
+ _lastTemperature = CalcTemperature();
+ _lastHumidity = CalcHumidity();
+
+ } else {
+ err = ERROR_CHECKSUM;
+ }
+
+ return err;
+
+}
+
+float DHT::CalcTemperature()
+{
+ int v;
+
+ switch (_DHTtype) {
+ case DHT11:
+ v = DHT_data[2];
+ return float(v);
+ case DHT22:
+ v = DHT_data[2] & 0x7F;
+ v *= 256;
+ v += DHT_data[3];
+ v /= 10;
+ if (DHT_data[2] & 0x80)
+ v *= -1;
+ return float(v);
+ }
+ return 0;
+}
+
+float DHT::ReadHumidity()
+{
+ return _lastHumidity;
+}
+
+float DHT::ConvertCelciustoFarenheit(float const celsius)
+{
+ return celsius * 9 / 5 + 32;
+}
+
+float DHT::ConvertCelciustoKelvin(float const celsius)
+{
+ return celsius + 273.15;
+}
+
+// dewPoint function NOAA
+// reference: http://wahiduddin.net/calc/density_algorithms.htm
+float DHT::CalcdewPoint(float const celsius, float const humidity)
+{
+ float A0= 373.15/(273.15 + celsius);
+ float SUM = -7.90298 * (A0-1);
+ SUM += 5.02808 * log10(A0);
+ SUM += -1.3816e-7 * (pow(10, (11.344*(1-1/A0)))-1) ;
+ SUM += 8.1328e-3 * (pow(10,(-3.49149*(A0-1)))-1) ;
+ SUM += log10(1013.246);
+ float VP = pow(10, SUM-3) * humidity;
+ float T = log(VP/0.61078); // temp var
+ return (241.88 * T) / (17.558-T);
+}
+
+// delta max = 0.6544 wrt dewPoint()
+// 5x faster than dewPoint()
+// reference: http://en.wikipedia.org/wiki/Dew_point
+float DHT::CalcdewPointFast(float const celsius, float const humidity)
+{
+ float a = 17.271;
+ float b = 237.7;
+ float temp = (a * celsius) / (b + celsius) + log(humidity/100);
+ float Td = (b * temp) / (a - temp);
+ return Td;
+}
+
+float DHT::ReadTemperature(eScale Scale)
+{
+ if (Scale == FARENHEIT)
+ return ConvertCelciustoFarenheit(_lastTemperature);
+ else if (Scale == KELVIN)
+ return ConvertCelciustoKelvin(_lastTemperature);
+ else
+ return _lastTemperature;
+}
+
+float DHT::CalcHumidity()
+{
+ int v;
+
+ switch (_DHTtype) {
+ case DHT11:
+ v = DHT_data[0];
+ return float(v);
+ case DHT22:
+ v = DHT_data[0];
+ v *= 256;
+ v += DHT_data[1];
+ v /= 10;
+ return float(v);
+ }
+ return 0;
+}
+
+
diff -r 000000000000 -r ed0b4e66d2ad DHT.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT.h Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,99 @@
+/*
+ * DHT Library for Digital-output Humidity and Temperature sensors
+ *
+ * Works with DHT11, DHT21, DHT22
+ * SEN11301P, Grove - Temperature&Humidity Sensor (Seeed Studio)
+ * SEN51035P, Grove - Temperature&Humidity Sensor Pro (Seeed Studio)
+ * AM2302 , temperature-humidity sensor
+ * RHT01,RHT02, RHT03 , Humidity and Temperature Sensor (Sparkfun)
+ *
+ * Copyright (C) Wim De Roeve
+ * based on DHT22 sensor library by HO WING KIT
+ * Arduino DHT11 library
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documnetation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_DHT_H
+#define MBED_DHT_H
+
+#include "mbed.h"
+
+typedef enum eType eType;
+enum eType {
+ DHT11 = 11,
+ SEN11301P = 11,
+ RHT01 = 11,
+ DHT22 = 22,
+ AM2302 = 22,
+ SEN51035P = 22,
+ RHT02 = 22,
+ RHT03 = 22
+};
+
+typedef enum eError eError;
+enum eError {
+ ERROR_NONE = 0,
+ BUS_BUSY,
+ ERROR_NOT_PRESENT,
+ ERROR_ACK_TOO_LONG,
+ ERROR_SYNC_TIMEOUT,
+ ERROR_DATA_TIMEOUT,
+ ERROR_CHECKSUM,
+ ERROR_NO_PATIENCE
+};
+
+typedef enum eScale eScale;
+enum eScale {
+ CELCIUS = 0,
+ FARENHEIT,
+ KELVIN
+};
+
+
+class DHT
+{
+
+public:
+
+ DHT(PinName pin, eType DHTtype);
+ ~DHT();
+ eError readData(void);
+ float ReadHumidity(void);
+ float ReadTemperature(eScale const Scale);
+ float CalcdewPoint(float const celsius, float const humidity);
+ float CalcdewPointFast(float const celsius, float const humidity);
+
+private:
+ time_t _lastReadTime;
+ float _lastTemperature;
+ float _lastHumidity;
+ PinName _pin;
+ bool _firsttime;
+ eType _DHTtype;
+ uint8_t DHT_data[5];
+ float CalcTemperature();
+ float CalcHumidity();
+ float ConvertCelciustoFarenheit(float const);
+ float ConvertCelciustoKelvin(float const);
+ eError stall(DigitalInOut &io, int const level, int const max_time);
+
+};
+
+#endif
diff -r 000000000000 -r ed0b4e66d2ad FatFileSystem.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FatFileSystem.lib Tue Jun 02 14:19:54 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/igorsk/code/FatFileSystemCpp/#88f22c32a456
diff -r 000000000000 -r ed0b4e66d2ad MSCFileSystem.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MSCFileSystem.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,113 @@
+/* USB Mass Storage device file system
+ * Copyrigh (c) 2010, Igor Skochinsky
+ * based on SDFileStorage
+ * Copyright (c) 2008-2009, sford
+ */
+
+/* Introduction
+ * ------------
+ * TODO: write one
+ * we're basically using NXP's USBHotLite sample code, just plugging in our own FAT library
+ */
+
+#include "MSCFileSystem.h"
+#include "usbhost_inc.h"
+
+MSCFileSystem::MSCFileSystem(const char* name) :
+ FATFileSystem(name)
+{
+}
+
+void print_inquiry(USB_INT08U *inqReply)
+{
+ // see USB Mass Storage Class – UFI Command Specification,
+ // 4.2 INQUIRY Command
+ printf("Inquiry reply:\n");
+ uint8_t tmp = inqReply[0]&0x1F;
+ printf("Peripheral device type: %02Xh\n", tmp);
+ if ( tmp == 0 )
+ printf("\t- Direct access (floppy)\n");
+ else if ( tmp == 0x1F )
+ printf("\t- none (no FDD connected)\n");
+ else
+ printf("\t- unknown type\n");
+ tmp = inqReply[1] >> 7;
+ printf("Removable Media Bit: %d\n", tmp);
+ tmp = inqReply[2] & 3;
+ printf("ANSI Version: %02Xh\n", tmp);
+ if ( tmp != 0 )
+ printf("\t- warning! must be 0\n");
+ tmp = (inqReply[2]>>3) & 3;
+ printf("ECMA Version: %02Xh\n", tmp);
+ if ( tmp != 0 )
+ printf("\t- warning! should be 0\n");
+ tmp = inqReply[2]>>6;
+ printf("ISO Version: %02Xh\n", tmp);
+ if ( tmp != 0 )
+ printf("\t- warning! should be 0\n");
+ tmp = inqReply[3] & 0xF;
+ printf("Response Data Format: %02Xh\n", tmp);
+ if ( tmp != 1 )
+ printf("\t- warning! should be 1\n");
+ tmp = inqReply[4];
+ printf("Additional length: %02Xh\n", tmp);
+ if ( tmp != 0x1F )
+ printf("\t- warning! should be 1Fh\n");
+ printf("Vendor Information: '%.8s'\n", &inqReply[8]);
+ printf("Product Identification: '%.16s'\n", &inqReply[16]);
+ printf("Product Revision: '%.4s'\n", &inqReply[32]);
+}
+
+int MSCFileSystem::initialise_msc()
+{
+ USB_INT32S rc;
+ USB_INT08U inquiryResult[INQUIRY_LENGTH];
+
+ //print_clock();
+ Host_Init(); /* Initialize the host controller */
+ rc = Host_EnumDev(); /* Enumerate the device connected */
+ if (rc != OK)
+ {
+ fprintf(stderr, "Could not enumerate device: %d\n", rc);
+ return rc;
+ }
+
+
+ /* Initialize the mass storage and scsi interfaces */
+ rc = MS_Init( &_blkSize, &_numBlks, inquiryResult );
+ if (rc != OK)
+ {
+ fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc);
+ return rc;
+ }
+ printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize);
+ print_inquiry(inquiryResult);
+ // FATFileSystem supports only 512-byte blocks
+ return _blkSize == 512 ? OK : 1;
+}
+
+int MSCFileSystem::disk_initialize()
+{
+ if ( initialise_msc() != OK )
+ return 1;
+
+ return 0;
+}
+
+int MSCFileSystem::disk_write(const char *buffer, int block_number)
+{
+ if ( OK == MS_BulkSend(block_number, 1, (USB_INT08U *)buffer) )
+ return 0;
+ return 1;
+}
+
+int MSCFileSystem::disk_read(char *buffer, int block_number)
+{
+ if ( OK == MS_BulkRecv(block_number, 1, (USB_INT08U *)buffer) )
+ return 0;
+ return 1;
+}
+
+int MSCFileSystem::disk_status() { return 0; }
+int MSCFileSystem::disk_sync() { return 0; }
+int MSCFileSystem::disk_sectors() { return _numBlks; }
diff -r 000000000000 -r ed0b4e66d2ad MSCFileSystem.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MSCFileSystem.h Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,49 @@
+/* USB Mass Storage device file system
+ * Copyrigh (c) 2010, Igor Skochinsky
+ * based on SDFileStorage
+ * Copyright (c) 2008-2009, sford
+ */
+
+#ifndef MSCFILESYSTEM_H
+#define MSCFILESYSTEM_H
+
+#include "mbed.h"
+#include "FATFileSystem.h"
+
+/* Class: MSCFileSystem
+ * Access the filesystem on an attached USB mass storage device (e.g. a memory stick)
+ *
+ * Example:
+ * > MSCFileSystem msc("msc");
+ * >
+ * > int main() {
+ * > FILE *fp = fopen("/msc/myfile.txt", "w");
+ * > fprintf(fp, "Hello World!\n");
+ * > fclose(fp);
+ * > }
+ */
+class MSCFileSystem : public FATFileSystem {
+public:
+
+ /* Constructor: MSCFileSystem
+ * Create the File System for accessing a USB mass storage device
+ *
+ * Parameters:
+ * name - The name used to access the filesystem
+ */
+ MSCFileSystem(const char* name);
+ virtual int disk_initialize();
+ virtual int disk_write(const char *buffer, int block_number);
+ virtual int disk_read(char *buffer, int block_number);
+ virtual int disk_status();
+ virtual int disk_sync();
+ virtual int disk_sectors();
+
+protected:
+
+ int initialise_msc();
+ uint32_t _numBlks;
+ uint32_t _blkSize;
+};
+
+#endif
diff -r 000000000000 -r ed0b4e66d2ad TextLCD.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,172 @@
+/* mbed TextLCD Library, for a 4-bit LCD based on HD44780
+ * Copyright (c) 2007-2010, sford, http://mbed.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "TextLCD.h"
+#include "mbed.h"
+
+TextLCD::TextLCD(PinName rs, PinName e, PinName d0, PinName d1,
+ PinName d2, PinName d3, LCDType type) : _rs(rs),
+ _e(e), _d(d0, d1, d2, d3),
+ _type(type) {
+
+ _e = 0;
+ _rs = 0; // command mode
+
+ wait(0.050); // Wait 15ms to ensure powered up
+
+ // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
+ for (int i=0; i<3; i++) {
+ writeByte(0x30);
+ wait(0.002); // this command takes 1.64ms, so wait for it
+ }
+ writeByte(0x2);
+ wait(0.002);
+ writeCommand(0x29);
+ wait(0.001f);
+ writeCommand(0x14);
+ wait(0.001f);
+ writeCommand(0x55);
+ wait(0.001f);
+ writeCommand(0x6D);
+ wait(0.001f);
+ writeCommand(0x78);
+ wait(0.001f);
+ writeCommand(0x28);
+ wait(0.001f);
+ writeCommand(0x0C);
+ wait(0.001f);
+ writeCommand(0x01);
+ wait_ms(2);
+ writeCommand(0x06);
+ wait(0.001f);
+}
+
+void TextLCD::character(int column, int row, int c) {
+ int a = address(column, row);
+ writeCommand(a);
+ writeData(c);
+}
+
+void TextLCD::cls() {
+ writeCommand(0x01); // cls, and set cursor to 0
+ wait(0.00164f); // This command takes 1.64 ms
+ locate(0, 0);
+}
+
+void TextLCD::locate(int column, int row) {
+ _column = column;
+ _row = row;
+}
+
+int TextLCD::_putc(int value) {
+ if (value == '\n') {
+ _column = 0;
+ _row++;
+ if (_row >= rows()) {
+ _row = 0;
+ }
+ } else {
+ character(_column, _row, value);
+ _column++;
+ if (_column >= columns()) {
+ _column = 0;
+ _row++;
+ if (_row >= rows()) {
+ _row = 0;
+ }
+ }
+ }
+ return value;
+}
+
+int TextLCD::_getc() {
+ return -1;
+}
+
+void TextLCD::writeByte(int value) {
+ _d = value >> 4;
+ wait(0.000040f); // most instructions take 40us
+ _e = 0;
+ wait(0.000040f);
+ _e = 1;
+ _d = value >> 0;
+ wait(0.000040f);
+ _e = 0;
+ wait(0.000040f); // most instructions take 40us
+ _e = 1;
+}
+
+void TextLCD::writeCommand(int command) {
+ _rs = 0;
+ writeByte(command);
+}
+
+void TextLCD::writeData(int data) {
+ _rs = 1;
+ writeByte(data);
+}
+
+int TextLCD::address(int column, int row) {
+ switch (_type) {
+ case LCD20x4:
+ switch (row) {
+ case 0:
+ return 0x80 + column;
+ case 1:
+ return 0xc0 + column;
+ case 2:
+ return 0x94 + column;
+ case 3:
+ return 0xd4 + column;
+ }
+ case LCD16x2B:
+ return 0x80 + (row * 40) + column;
+ case LCD16x2:
+ case LCD20x2:
+ default:
+ return 0x80 + (row * 0x40) + column;
+ }
+}
+
+int TextLCD::columns() {
+ switch (_type) {
+ case LCD20x4:
+ case LCD20x2:
+ return 20;
+ case LCD16x2:
+ case LCD16x2B:
+ default:
+ return 16;
+ }
+}
+
+int TextLCD::rows() {
+ switch (_type) {
+ case LCD20x4:
+ return 4;
+ case LCD16x2:
+ case LCD16x2B:
+ case LCD20x2:
+ default:
+ return 2;
+ }
+}
diff -r 000000000000 -r ed0b4e66d2ad TextLCD.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.h Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,111 @@
+/* mbed TextLCD Library, for a 4-bit LCD based on HD44780
+ * Copyright (c) 2007-2010, sford, http://mbed.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_TEXTLCD_H
+#define MBED_TEXTLCD_H
+
+#include "mbed.h"
+
+/** A TextLCD interface for driving 4-bit HD44780-based LCDs
+ *
+ * Currently supports 16x2, 20x2 and 20x4 panels
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "TextLCD.h"
+ *
+ * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3
+ *
+ * int main() {
+ * lcd.printf("Hello World!\n");
+ * }
+ * @endcode
+ */
+class TextLCD : public Stream {
+public:
+
+ /** LCD panel format */
+ enum LCDType {
+ LCD16x2 /**< 16x2 LCD panel (default) */
+ , LCD16x2B /**< 16x2 LCD panel alternate addressing */
+ , LCD20x2 /**< 20x2 LCD panel */
+ , LCD20x4 /**< 20x4 LCD panel */
+ };
+
+ /** Create a TextLCD interface
+ *
+ * @param rs Instruction/data control line
+ * @param e Enable line (clock)
+ * @param d0-d3 Data lines
+ * @param type Sets the panel size/addressing mode (default = LCD16x2)
+ */
+ TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2);
+
+#if DOXYGEN_ONLY
+ /** Write a character to the LCD
+ *
+ * @param c The character to write to the display
+ */
+ int putc(int c);
+
+ /** Write a formated string to the LCD
+ *
+ * @param format A printf-style format string, followed by the
+ * variables to use in formating the string.
+ */
+ int printf(const char* format, ...);
+#endif
+
+ /** Locate to a screen column and row
+ *
+ * @param column The horizontal position from the left, indexed from 0
+ * @param row The vertical position from the top, indexed from 0
+ */
+ void locate(int column, int row);
+
+ /** Clear the screen and locate to 0,0 */
+ void cls();
+
+ int rows();
+ int columns();
+
+protected:
+
+ // Stream implementation functions
+ virtual int _putc(int value);
+ virtual int _getc();
+
+ int address(int column, int row);
+ void character(int column, int row, int c);
+ void writeByte(int value);
+ void writeCommand(int command);
+ void writeData(int data);
+
+ DigitalOut _rs, _e;
+ BusOut _d;
+ LCDType _type;
+
+ int _column;
+ int _row;
+};
+
+#endif
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_cpu.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_cpu.h Tue Jun 02 14:19:54 2015 +0000 @@ -0,0 +1,35 @@ +/* +************************************************************************************************************** +* NXP USB Host Stack +* +* (c) Copyright 2008, NXP SemiConductors +* (c) Copyright 2008, OnChip Technologies LLC +* All Rights Reserved +* +* www.nxp.com +* www.onchiptech.com +* +* File : usbhost_cpu.h +* Programmer(s) : Ravikanth.P +* Version : +* +************************************************************************************************************** +*/ + +#ifndef USBHOST_CPU_H +#define USBHOST_CPU_H + +/* +************************************************************************************************************** +* TYPE DEFINITIONS OF DATA TYPES +************************************************************************************************************** +*/ + +typedef unsigned int USB_INT32U; +typedef signed int USB_INT32S; +typedef unsigned short USB_INT16U; +typedef signed short USB_INT16S; +typedef unsigned char USB_INT08U; +typedef signed char USB_INT08S; + +#endif
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_err.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_err.h Tue Jun 02 14:19:54 2015 +0000 @@ -0,0 +1,63 @@ +/* +************************************************************************************************************** +* NXP USB Host Stack +* +* (c) Copyright 2008, NXP SemiConductors +* (c) Copyright 2008, OnChip Technologies LLC +* All Rights Reserved +* +* www.nxp.com +* www.onchiptech.com +* +* File : usbhost_err.h +* Programmer(s) : Ravikanth.P +* Version : +* +************************************************************************************************************** +*/ + +#ifndef USBHOST_ERR_H +#define USBHOST_ERR_H + + +/* +************************************************************************************************************** +* GENERAL DEFINITIONS +************************************************************************************************************** +*/ + +#define OK 0 +#define MATCH_FOUND 0 + +/* +************************************************************************************************************** +* HOST CONTROLLER SPECIFIC ERROR CODES +************************************************************************************************************** +*/ + +#define ERR_TD_FAIL -1 + +/* +************************************************************************************************************** +* MASS STORAGE SPECIFIC ERROR CODES +************************************************************************************************************** +*/ + +#define ERR_MS_CMD_FAILED -10 +#define ERR_BAD_CONFIGURATION -11 +#define ERR_NO_MS_INTERFACE -12 + +/* +************************************************************************************************************** +* FAT SPECIFIC ERROR CODES +************************************************************************************************************** +*/ + +#define MATCH_NOT_FOUND -20 +#define ERR_FAT_NOT_SUPPORTED -21 +#define ERR_OPEN_LIMIT_REACHED -22 +#define ERR_INVALID_BOOT_SIG -23 +#define ERR_INVALID_BOOT_SEC -24 +#define ERR_ROOT_DIR_FULL -25 + +#endif
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_inc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_inc.h Tue Jun 02 14:19:54 2015 +0000 @@ -0,0 +1,39 @@ +/* +************************************************************************************************************** +* NXP USB Host Stack +* +* (c) Copyright 2008, NXP SemiConductors +* (c) Copyright 2008, OnChip Technologies LLC +* All Rights Reserved +* +* www.nxp.com +* www.onchiptech.com +* +* File : usbhost_inc.h +* Programmer(s) : Ravikanth.P +* Version : +* +************************************************************************************************************** +*/ + +#ifndef USBHOST_INC_H +#define USBHOST_INC_H + +/* +************************************************************************************************************** +* INCLUDE HEADER FILES +************************************************************************************************************** +*/ + +#include "usbhost_cpu.h" +#include "usbhost_err.h" +#include "usbhost_lpc17xx.h" +#include "usbhost_ms.h" +#include "mbed.h" + + +#ifdef TARGET_LPC2368 +#error "There is no USB host on the LPC2368!" +#endif + +#endif
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_lpc17xx.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostLite/usbhost_lpc17xx.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,820 @@
+/*
+**************************************************************************************************************
+* NXP USB Host Stack
+*
+* (c) Copyright 2008, NXP SemiConductors
+* (c) Copyright 2008, OnChip Technologies LLC
+* All Rights Reserved
+*
+* www.nxp.com
+* www.onchiptech.com
+*
+* File : usbhost_lpc17xx.c
+* Programmer(s) : Ravikanth.P
+* Version :
+*
+**************************************************************************************************************
+*/
+
+/*
+**************************************************************************************************************
+* INCLUDE HEADER FILES
+**************************************************************************************************************
+*/
+
+#include "usbhost_lpc17xx.h"
+
+/*
+**************************************************************************************************************
+* GLOBAL VARIABLES
+**************************************************************************************************************
+*/
+int gUSBConnected;
+
+volatile USB_INT32U HOST_RhscIntr = 0; /* Root Hub Status Change interrupt */
+volatile USB_INT32U HOST_WdhIntr = 0; /* Semaphore to wait until the TD is submitted */
+volatile USB_INT08U HOST_TDControlStatus = 0;
+volatile HCED *EDCtrl; /* Control endpoint descriptor structure */
+volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
+volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
+volatile HCTD *TDHead; /* Head transfer descriptor structure */
+volatile HCTD *TDTail; /* Tail transfer descriptor structure */
+volatile HCCA *Hcca; /* Host Controller Communications Area structure */
+ USB_INT16U *TDBufNonVol; /* Identical to TDBuffer just to reduce compiler warnings */
+volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
+
+// USB host structures
+// AHB SRAM block 1
+#define HOSTBASEADDR 0x2007C000
+// reserve memory for the linker
+static USB_INT08U HostBuf[0x200] __attribute__((at(HOSTBASEADDR)));
+/*
+**************************************************************************************************************
+* DELAY IN MILLI SECONDS
+*
+* Description: This function provides a delay in milli seconds
+*
+* Arguments : delay The delay required
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void Host_DelayMS (USB_INT32U delay)
+{
+ volatile USB_INT32U i;
+
+
+ for (i = 0; i < delay; i++) {
+ Host_DelayUS(1000);
+ }
+}
+
+/*
+**************************************************************************************************************
+* DELAY IN MICRO SECONDS
+*
+* Description: This function provides a delay in micro seconds
+*
+* Arguments : delay The delay required
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void Host_DelayUS (USB_INT32U delay)
+{
+ volatile USB_INT32U i;
+
+
+ for (i = 0; i < (4 * delay); i++) { /* This logic was tested. It gives app. 1 micro sec delay */
+ ;
+ }
+}
+
+// bits of the USB/OTG clock control register
+#define HOST_CLK_EN (1<<0)
+#define DEV_CLK_EN (1<<1)
+#define PORTSEL_CLK_EN (1<<3)
+#define AHB_CLK_EN (1<<4)
+
+// bits of the USB/OTG clock status register
+#define HOST_CLK_ON (1<<0)
+#define DEV_CLK_ON (1<<1)
+#define PORTSEL_CLK_ON (1<<3)
+#define AHB_CLK_ON (1<<4)
+
+// we need host clock, OTG/portsel clock and AHB clock
+#define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
+
+/*
+**************************************************************************************************************
+* INITIALIZE THE HOST CONTROLLER
+*
+* Description: This function initializes lpc17xx host controller
+*
+* Arguments : None
+*
+* Returns :
+*
+**************************************************************************************************************
+*/
+void Host_Init (void)
+{
+ PRINT_Log("In Host_Init\n");
+ NVIC_DisableIRQ(USB_IRQn); /* Disable the USB interrupt source */
+
+ // turn on power for USB
+ LPC_SC->PCONP |= (1UL<<31);
+ // Enable USB host clock, port selection and AHB clock
+ LPC_USB->USBClkCtrl |= CLOCK_MASK;
+ // Wait for clocks to become available
+ while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
+ ;
+
+ // it seems the bits[0:1] mean the following
+ // 0: U1=device, U2=host
+ // 1: U1=host, U2=host
+ // 2: reserved
+ // 3: U1=host, U2=device
+ // NB: this register is only available if OTG clock (aka "port select") is enabled!!
+ // since we don't care about port 2, set just bit 0 to 1 (U1=host)
+ LPC_USB->OTGStCtrl |= 1;
+
+ // now that we've configured the ports, we can turn off the portsel clock
+ LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN;
+
+ // power pins are not connected on mbed, so we can skip them
+ /* P1[18] = USB_UP_LED, 01 */
+ /* P1[19] = /USB_PPWR, 10 */
+ /* P1[22] = USB_PWRD, 10 */
+ /* P1[27] = /USB_OVRCR, 10 */
+ /*LPC_PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22));
+ LPC_PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080
+ */
+
+ // configure USB D+/D- pins
+ /* P0[29] = USB_D+, 01 */
+ /* P0[30] = USB_D-, 01 */
+ LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
+ LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000
+
+ PRINT_Log("Initializing Host Stack\n");
+
+ Hcca = (volatile HCCA *)(HostBuf+0x000);
+ TDHead = (volatile HCTD *)(HostBuf+0x100);
+ TDTail = (volatile HCTD *)(HostBuf+0x110);
+ EDCtrl = (volatile HCED *)(HostBuf+0x120);
+ EDBulkIn = (volatile HCED *)(HostBuf+0x130);
+ EDBulkOut = (volatile HCED *)(HostBuf+0x140);
+ TDBuffer = (volatile USB_INT08U *)(HostBuf+0x150);
+
+ /* Initialize all the TDs, EDs and HCCA to 0 */
+ Host_EDInit(EDCtrl);
+ Host_EDInit(EDBulkIn);
+ Host_EDInit(EDBulkOut);
+ Host_TDInit(TDHead);
+ Host_TDInit(TDTail);
+ Host_HCCAInit(Hcca);
+
+ Host_DelayMS(50); /* Wait 50 ms before apply reset */
+ LPC_USB->HcControl = 0; /* HARDWARE RESET */
+ LPC_USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */
+ LPC_USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */
+
+ /* SOFTWARE RESET */
+ LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR;
+ LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */
+
+ /* Put HC in operational state */
+ LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
+ LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */
+
+ LPC_USB->HcHCCA = (USB_INT32U)Hcca;
+ LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; /* Clear Interrrupt Status */
+
+
+ LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE |
+ OR_INTR_ENABLE_WDH |
+ OR_INTR_ENABLE_RHSC;
+
+ NVIC_SetPriority(USB_IRQn, 0); /* highest priority */
+ /* Enable the USB Interrupt */
+ NVIC_EnableIRQ(USB_IRQn);
+ PRINT_Log("Host Initialized\n");
+}
+
+/*
+**************************************************************************************************************
+* INTERRUPT SERVICE ROUTINE
+*
+* Description: This function services the interrupt caused by host controller
+*
+* Arguments : None
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void USB_IRQHandler (void) __irq
+{
+ USB_INT32U int_status;
+ USB_INT32U ie_status;
+
+ int_status = LPC_USB->HcInterruptStatus; /* Read Interrupt Status */
+ ie_status = LPC_USB->HcInterruptEnable; /* Read Interrupt enable status */
+
+ if (!(int_status & ie_status)) {
+ return;
+ } else {
+
+ int_status = int_status & ie_status;
+ if (int_status & OR_INTR_STATUS_RHSC) { /* Root hub status change interrupt */
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) {
+ if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) {
+ /*
+ * When DRWE is on, Connect Status Change
+ * means a remote wakeup event.
+ */
+ HOST_RhscIntr = 1;// JUST SOMETHING FOR A BREAKPOINT
+ }
+ else {
+ /*
+ * When DRWE is off, Connect Status Change
+ * is NOT a remote wakeup event
+ */
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) {
+ if (!gUSBConnected) {
+ HOST_TDControlStatus = 0;
+ HOST_WdhIntr = 0;
+ HOST_RhscIntr = 1;
+ gUSBConnected = 1;
+ }
+ else
+ PRINT_Log("Spurious status change (connected)?\n");
+ } else {
+ if (gUSBConnected) {
+ LPC_USB->HcInterruptEnable = 0; // why do we get multiple disc. rupts???
+ HOST_RhscIntr = 0;
+ gUSBConnected = 0;
+ }
+ else
+ PRINT_Log("Spurious status change (disconnected)?\n");
+ }
+ }
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
+ }
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) {
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+ }
+ }
+ if (int_status & OR_INTR_STATUS_WDH) { /* Writeback Done Head interrupt */
+ HOST_WdhIntr = 1;
+ HOST_TDControlStatus = (TDHead->Control >> 28) & 0xf;
+ }
+ LPC_USB->HcInterruptStatus = int_status; /* Clear interrupt status register */
+ }
+ return;
+}
+
+/*
+**************************************************************************************************************
+* PROCESS TRANSFER DESCRIPTOR
+*
+* Description: This function processes the transfer descriptor
+*
+* Arguments : ed Endpoint descriptor that contains this transfer descriptor
+* token SETUP, IN, OUT
+* buffer Current Buffer Pointer of the transfer descriptor
+* buffer_len Length of the buffer
+*
+* Returns : OK if TD submission is successful
+* ERROR if TD submission fails
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S Host_ProcessTD (volatile HCED *ed,
+ volatile USB_INT32U token,
+ volatile USB_INT08U *buffer,
+ USB_INT32U buffer_len)
+{
+ volatile USB_INT32U td_toggle;
+
+
+ if (ed == EDCtrl) {
+ if (token == TD_SETUP) {
+ td_toggle = TD_TOGGLE_0;
+ } else {
+ td_toggle = TD_TOGGLE_1;
+ }
+ } else {
+ td_toggle = 0;
+ }
+ TDHead->Control = (TD_ROUNDING |
+ token |
+ TD_DELAY_INT(0) |
+ td_toggle |
+ TD_CC);
+ TDTail->Control = 0;
+ TDHead->CurrBufPtr = (USB_INT32U) buffer;
+ TDTail->CurrBufPtr = 0;
+ TDHead->Next = (USB_INT32U) TDTail;
+ TDTail->Next = 0;
+ TDHead->BufEnd = (USB_INT32U)(buffer + (buffer_len - 1));
+ TDTail->BufEnd = 0;
+
+ ed->HeadTd = (USB_INT32U)TDHead | ((ed->HeadTd) & 0x00000002);
+ ed->TailTd = (USB_INT32U)TDTail;
+ ed->Next = 0;
+
+ if (ed == EDCtrl) {
+ LPC_USB->HcControlHeadED = (USB_INT32U)ed;
+ LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF;
+ LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE;
+ } else {
+ LPC_USB->HcBulkHeadED = (USB_INT32U)ed;
+ LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF;
+ LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE;
+ }
+
+ Host_WDHWait();
+
+// if (!(TDHead->Control & 0xF0000000)) {
+ if (!HOST_TDControlStatus) {
+ return (OK);
+ } else {
+ return (ERR_TD_FAIL);
+ }
+}
+
+/*
+**************************************************************************************************************
+* ENUMERATE THE DEVICE
+*
+* Description: This function is used to enumerate the device connected
+*
+* Arguments : None
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S Host_EnumDev (void)
+{
+ USB_INT32S rc;
+
+ PRINT_Log("Connect a Mass Storage device\n");
+ while (!HOST_RhscIntr)
+ __WFI();
+ Host_DelayMS(100); /* USB 2.0 spec says atleast 50ms delay beore port reset */
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset
+ while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS)
+ __WFI(); // Wait for port reset to complete...
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal
+ Host_DelayMS(200); /* Wait for 100 MS after port reset */
+
+ EDCtrl->Control = 8 << 16; /* Put max pkt size = 8 */
+ /* Read first 8 bytes of device desc */
+ rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 8);
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ EDCtrl->Control = TDBuffer[7] << 16; /* Get max pkt size of endpoint 0 */
+ rc = HOST_SET_ADDRESS(1); /* Set the device address to 1 */
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ Host_DelayMS(2);
+ EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */
+ /* Get the configuration descriptor */
+ rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, 9);
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ /* Get the first configuration data */
+ rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, ReadLE16U(&TDBuffer[2]));
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ rc = MS_ParseConfiguration(); /* Parse the configuration */
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ rc = USBH_SET_CONFIGURATION(1); /* Select device configuration 1 */
+ if (rc != OK) {
+ PRINT_Err(rc);
+ }
+ Host_DelayMS(100); /* Some devices may require this delay */
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* RECEIVE THE CONTROL INFORMATION
+*
+* Description: This function is used to receive the control information
+*
+* Arguments : bm_request_type
+* b_request
+* w_value
+* w_index
+* w_length
+* buffer
+*
+* Returns : OK if Success
+* ERROR if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length,
+ volatile USB_INT08U *buffer)
+{
+ USB_INT32S rc;
+
+
+ Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
+ rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
+ if (rc == OK) {
+ if (w_length) {
+ rc = Host_ProcessTD(EDCtrl, TD_IN, TDBuffer, w_length);
+ }
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDCtrl, TD_OUT, NULL, 0);
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* SEND THE CONTROL INFORMATION
+*
+* Description: This function is used to send the control information
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length,
+ volatile USB_INT08U *buffer)
+{
+ USB_INT32S rc;
+
+
+ Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
+
+ rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
+ if (rc == OK) {
+ if (w_length) {
+ rc = Host_ProcessTD(EDCtrl, TD_OUT, TDBuffer, w_length);
+ }
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDCtrl, TD_IN, NULL, 0);
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* FILL SETUP PACKET
+*
+* Description: This function is used to fill the setup packet
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+void Host_FillSetup (USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length)
+{
+ int i;
+ for (i=0;i<w_length;i++)
+ TDBuffer[i] = 0;
+
+ TDBuffer[0] = bm_request_type;
+ TDBuffer[1] = b_request;
+ WriteLE16U(&TDBuffer[2], w_value);
+ WriteLE16U(&TDBuffer[4], w_index);
+ WriteLE16U(&TDBuffer[6], w_length);
+}
+
+
+
+/*
+**************************************************************************************************************
+* INITIALIZE THE TRANSFER DESCRIPTOR
+*
+* Description: This function initializes transfer descriptor
+*
+* Arguments : Pointer to TD structure
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void Host_TDInit (volatile HCTD *td)
+{
+
+ td->Control = 0;
+ td->CurrBufPtr = 0;
+ td->Next = 0;
+ td->BufEnd = 0;
+}
+
+/*
+**************************************************************************************************************
+* INITIALIZE THE ENDPOINT DESCRIPTOR
+*
+* Description: This function initializes endpoint descriptor
+*
+* Arguments : Pointer to ED strcuture
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void Host_EDInit (volatile HCED *ed)
+{
+
+ ed->Control = 0;
+ ed->TailTd = 0;
+ ed->HeadTd = 0;
+ ed->Next = 0;
+}
+
+/*
+**************************************************************************************************************
+* INITIALIZE HOST CONTROLLER COMMUNICATIONS AREA
+*
+* Description: This function initializes host controller communications area
+*
+* Arguments : Pointer to HCCA
+*
+* Returns :
+*
+**************************************************************************************************************
+*/
+
+void Host_HCCAInit (volatile HCCA *hcca)
+{
+ USB_INT32U i;
+
+
+ for (i = 0; i < 32; i++) {
+
+ hcca->IntTable[i] = 0;
+ hcca->FrameNumber = 0;
+ hcca->DoneHead = 0;
+ }
+
+}
+
+/*
+**************************************************************************************************************
+* WAIT FOR WDH INTERRUPT
+*
+* Description: This function is infinite loop which breaks when ever a WDH interrupt rises
+*
+* Arguments : None
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void Host_WDHWait (void)
+{
+ while (!HOST_WdhIntr)
+ __WFI();
+
+ HOST_WdhIntr = 0;
+}
+
+/*
+**************************************************************************************************************
+* READ LE 32U
+*
+* Description: This function is used to read an unsigned integer from a character buffer in the platform
+* containing little endian processor
+*
+* Arguments : pmem Pointer to the character buffer
+*
+* Returns : val Unsigned integer
+*
+**************************************************************************************************************
+*/
+
+USB_INT32U ReadLE32U (volatile USB_INT08U *pmem)
+{
+ USB_INT32U val = *(USB_INT32U*)pmem;
+#ifdef __BIG_ENDIAN
+ return __REV(val);
+#else
+ return val;
+#endif
+}
+
+/*
+**************************************************************************************************************
+* WRITE LE 32U
+*
+* Description: This function is used to write an unsigned integer into a charecter buffer in the platform
+* containing little endian processor.
+*
+* Arguments : pmem Pointer to the charecter buffer
+* val Integer value to be placed in the charecter buffer
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void WriteLE32U (volatile USB_INT08U *pmem,
+ USB_INT32U val)
+{
+#ifdef __BIG_ENDIAN
+ *(USB_INT32U*)pmem = __REV(val);
+#else
+ *(USB_INT32U*)pmem = val;
+#endif
+}
+
+/*
+**************************************************************************************************************
+* READ LE 16U
+*
+* Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
+* containing little endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+*
+* Returns : val Unsigned short integer
+*
+**************************************************************************************************************
+*/
+
+USB_INT16U ReadLE16U (volatile USB_INT08U *pmem)
+{
+ USB_INT16U val = *(USB_INT16U*)pmem;
+#ifdef __BIG_ENDIAN
+ return __REV16(val);
+#else
+ return val;
+#endif
+}
+
+/*
+**************************************************************************************************************
+* WRITE LE 16U
+*
+* Description: This function is used to write an unsigned short integer into a charecter buffer in the
+* platform containing little endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+* val Value to be placed in the charecter buffer
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void WriteLE16U (volatile USB_INT08U *pmem,
+ USB_INT16U val)
+{
+#ifdef __BIG_ENDIAN
+ *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
+#else
+ *(USB_INT16U*)pmem = val;
+#endif
+}
+
+/*
+**************************************************************************************************************
+* READ BE 32U
+*
+* Description: This function is used to read an unsigned integer from a charecter buffer in the platform
+* containing big endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+*
+* Returns : val Unsigned integer
+*
+**************************************************************************************************************
+*/
+
+USB_INT32U ReadBE32U (volatile USB_INT08U *pmem)
+{
+ USB_INT32U val = *(USB_INT32U*)pmem;
+#ifdef __BIG_ENDIAN
+ return val;
+#else
+ return __REV(val);
+#endif
+}
+
+/*
+**************************************************************************************************************
+* WRITE BE 32U
+*
+* Description: This function is used to write an unsigned integer into a charecter buffer in the platform
+* containing big endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+* val Value to be placed in the charecter buffer
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void WriteBE32U (volatile USB_INT08U *pmem,
+ USB_INT32U val)
+{
+#ifdef __BIG_ENDIAN
+ *(USB_INT32U*)pmem = val;
+#else
+ *(USB_INT32U*)pmem = __REV(val);
+#endif
+}
+
+/*
+**************************************************************************************************************
+* READ BE 16U
+*
+* Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
+* containing big endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+*
+* Returns : val Unsigned short integer
+*
+**************************************************************************************************************
+*/
+
+USB_INT16U ReadBE16U (volatile USB_INT08U *pmem)
+{
+ USB_INT16U val = *(USB_INT16U*)pmem;
+#ifdef __BIG_ENDIAN
+ return val;
+#else
+ return __REV16(val);
+#endif
+}
+
+/*
+**************************************************************************************************************
+* WRITE BE 16U
+*
+* Description: This function is used to write an unsigned short integer into the charecter buffer in the
+* platform containing big endian processor
+*
+* Arguments : pmem Pointer to the charecter buffer
+* val Value to be placed in the charecter buffer
+*
+* Returns : None
+*
+**************************************************************************************************************
+*/
+
+void WriteBE16U (volatile USB_INT08U *pmem,
+ USB_INT16U val)
+{
+#ifdef __BIG_ENDIAN
+ *(USB_INT16U*)pmem = val;
+#else
+ *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
+#endif
+}
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_lpc17xx.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostLite/usbhost_lpc17xx.h Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,254 @@
+/*
+**************************************************************************************************************
+* NXP USB Host Stack
+*
+* (c) Copyright 2008, NXP SemiConductors
+* (c) Copyright 2008, OnChip Technologies LLC
+* All Rights Reserved
+*
+* www.nxp.com
+* www.onchiptech.com
+*
+* File : usbhost_lpc17xx.h
+* Programmer(s) : Ravikanth.P
+* Version :
+*
+**************************************************************************************************************
+*/
+
+#ifndef USBHOST_LPC17xx_H
+#define USBHOST_LPC17xx_H
+
+/*
+**************************************************************************************************************
+* INCLUDE HEADER FILES
+**************************************************************************************************************
+*/
+
+#include "usbhost_inc.h"
+
+/*
+**************************************************************************************************************
+* PRINT CONFIGURATION
+**************************************************************************************************************
+*/
+
+#define PRINT_ENABLE 1
+
+#if PRINT_ENABLE
+#define PRINT_Log(...) printf(__VA_ARGS__)
+#define PRINT_Err(rc) printf("ERROR: In %s at Line %u - rc = %d\n", __FUNCTION__, __LINE__, rc)
+
+#else
+#define PRINT_Log(...) do {} while(0)
+#define PRINT_Err(rc) do {} while(0)
+
+#endif
+
+/*
+**************************************************************************************************************
+* GENERAL DEFINITIONS
+**************************************************************************************************************
+*/
+
+#define DESC_LENGTH(x) x[0]
+#define DESC_TYPE(x) x[1]
+
+
+#define HOST_GET_DESCRIPTOR(descType, descIndex, data, length) \
+ Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, \
+ (descType << 8)|(descIndex), 0, length, data)
+
+#define HOST_SET_ADDRESS(new_addr) \
+ Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, \
+ new_addr, 0, 0, NULL)
+
+#define USBH_SET_CONFIGURATION(configNum) \
+ Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_CONFIGURATION, \
+ configNum, 0, 0, NULL)
+
+#define USBH_SET_INTERFACE(ifNum, altNum) \
+ Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, \
+ altNum, ifNum, 0, NULL)
+
+/*
+**************************************************************************************************************
+* OHCI OPERATIONAL REGISTER FIELD DEFINITIONS
+**************************************************************************************************************
+*/
+
+ /* ------------------ HcControl Register --------------------- */
+#define OR_CONTROL_CLE 0x00000010
+#define OR_CONTROL_BLE 0x00000020
+#define OR_CONTROL_HCFS 0x000000C0
+#define OR_CONTROL_HC_OPER 0x00000080
+ /* ----------------- HcCommandStatus Register ----------------- */
+#define OR_CMD_STATUS_HCR 0x00000001
+#define OR_CMD_STATUS_CLF 0x00000002
+#define OR_CMD_STATUS_BLF 0x00000004
+ /* --------------- HcInterruptStatus Register ----------------- */
+#define OR_INTR_STATUS_WDH 0x00000002
+#define OR_INTR_STATUS_RHSC 0x00000040
+ /* --------------- HcInterruptEnable Register ----------------- */
+#define OR_INTR_ENABLE_WDH 0x00000002
+#define OR_INTR_ENABLE_RHSC 0x00000040
+#define OR_INTR_ENABLE_MIE 0x80000000
+ /* ---------------- HcRhDescriptorA Register ------------------ */
+#define OR_RH_STATUS_LPSC 0x00010000
+#define OR_RH_STATUS_DRWE 0x00008000
+ /* -------------- HcRhPortStatus[1:NDP] Register -------------- */
+#define OR_RH_PORT_CCS 0x00000001
+#define OR_RH_PORT_PRS 0x00000010
+#define OR_RH_PORT_CSC 0x00010000
+#define OR_RH_PORT_PRSC 0x00100000
+
+
+/*
+**************************************************************************************************************
+* FRAME INTERVAL
+**************************************************************************************************************
+*/
+
+#define FI 0x2EDF /* 12000 bits per frame (-1) */
+#define DEFAULT_FMINTERVAL ((((6 * (FI - 210)) / 7) << 16) | FI)
+
+/*
+**************************************************************************************************************
+* TRANSFER DESCRIPTOR CONTROL FIELDS
+**************************************************************************************************************
+*/
+
+#define TD_ROUNDING (USB_INT32U) (0x00040000) /* Buffer Rounding */
+#define TD_SETUP (USB_INT32U)(0) /* Direction of Setup Packet */
+#define TD_IN (USB_INT32U)(0x00100000) /* Direction In */
+#define TD_OUT (USB_INT32U)(0x00080000) /* Direction Out */
+#define TD_DELAY_INT(x) (USB_INT32U)((x) << 21) /* Delay Interrupt */
+#define TD_TOGGLE_0 (USB_INT32U)(0x02000000) /* Toggle 0 */
+#define TD_TOGGLE_1 (USB_INT32U)(0x03000000) /* Toggle 1 */
+#define TD_CC (USB_INT32U)(0xF0000000) /* Completion Code */
+
+/*
+**************************************************************************************************************
+* USB STANDARD REQUEST DEFINITIONS
+**************************************************************************************************************
+*/
+
+#define USB_DESCRIPTOR_TYPE_DEVICE 1
+#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2
+#define USB_DESCRIPTOR_TYPE_INTERFACE 4
+#define USB_DESCRIPTOR_TYPE_ENDPOINT 5
+ /* ----------- Control RequestType Fields ----------- */
+#define USB_DEVICE_TO_HOST 0x80
+#define USB_HOST_TO_DEVICE 0x00
+#define USB_REQUEST_TYPE_CLASS 0x20
+#define USB_RECIPIENT_DEVICE 0x00
+#define USB_RECIPIENT_INTERFACE 0x01
+ /* -------------- USB Standard Requests -------------- */
+#define SET_ADDRESS 5
+#define GET_DESCRIPTOR 6
+#define SET_CONFIGURATION 9
+#define SET_INTERFACE 11
+
+/*
+**************************************************************************************************************
+* TYPE DEFINITIONS
+**************************************************************************************************************
+*/
+
+typedef struct hcEd { /* ----------- HostController EndPoint Descriptor ------------- */
+ volatile USB_INT32U Control; /* Endpoint descriptor control */
+ volatile USB_INT32U TailTd; /* Physical address of tail in Transfer descriptor list */
+ volatile USB_INT32U HeadTd; /* Physcial address of head in Transfer descriptor list */
+ volatile USB_INT32U Next; /* Physical address of next Endpoint descriptor */
+} HCED;
+
+typedef struct hcTd { /* ------------ HostController Transfer Descriptor ------------ */
+ volatile USB_INT32U Control; /* Transfer descriptor control */
+ volatile USB_INT32U CurrBufPtr; /* Physical address of current buffer pointer */
+ volatile USB_INT32U Next; /* Physical pointer to next Transfer Descriptor */
+ volatile USB_INT32U BufEnd; /* Physical address of end of buffer */
+} HCTD;
+
+typedef struct hcca { /* ----------- Host Controller Communication Area ------------ */
+ volatile USB_INT32U IntTable[32]; /* Interrupt Table */
+ volatile USB_INT32U FrameNumber; /* Frame Number */
+ volatile USB_INT32U DoneHead; /* Done Head */
+ volatile USB_INT08U Reserved[116]; /* Reserved for future use */
+ volatile USB_INT08U Unknown[4]; /* Unused */
+} HCCA;
+
+/*
+**************************************************************************************************************
+* EXTERN DECLARATIONS
+**************************************************************************************************************
+*/
+
+extern volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
+extern volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
+extern volatile HCTD *TDHead; /* Head transfer descriptor structure */
+extern volatile HCTD *TDTail; /* Tail transfer descriptor structure */
+extern volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
+
+/*
+**************************************************************************************************************
+* FUNCTION PROTOTYPES
+**************************************************************************************************************
+*/
+
+void Host_Init (void);
+
+extern "C" void USB_IRQHandler(void) __irq;
+
+USB_INT32S Host_EnumDev (void);
+
+USB_INT32S Host_ProcessTD(volatile HCED *ed,
+ volatile USB_INT32U token,
+ volatile USB_INT08U *buffer,
+ USB_INT32U buffer_len);
+
+void Host_DelayUS ( USB_INT32U delay);
+void Host_DelayMS ( USB_INT32U delay);
+
+
+void Host_TDInit (volatile HCTD *td);
+void Host_EDInit (volatile HCED *ed);
+void Host_HCCAInit (volatile HCCA *hcca);
+
+USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length,
+ volatile USB_INT08U *buffer);
+
+USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length,
+ volatile USB_INT08U *buffer);
+
+void Host_FillSetup( USB_INT08U bm_request_type,
+ USB_INT08U b_request,
+ USB_INT16U w_value,
+ USB_INT16U w_index,
+ USB_INT16U w_length);
+
+
+void Host_WDHWait (void);
+
+
+USB_INT32U ReadLE32U (volatile USB_INT08U *pmem);
+void WriteLE32U (volatile USB_INT08U *pmem,
+ USB_INT32U val);
+USB_INT16U ReadLE16U (volatile USB_INT08U *pmem);
+void WriteLE16U (volatile USB_INT08U *pmem,
+ USB_INT16U val);
+USB_INT32U ReadBE32U (volatile USB_INT08U *pmem);
+void WriteBE32U (volatile USB_INT08U *pmem,
+ USB_INT32U val);
+USB_INT16U ReadBE16U (volatile USB_INT08U *pmem);
+void WriteBE16U (volatile USB_INT08U *pmem,
+ USB_INT16U val);
+
+#endif
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_ms.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostLite/usbhost_ms.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,455 @@
+/*
+**************************************************************************************************************
+* NXP USB Host Stack
+*
+* (c) Copyright 2008, NXP SemiConductors
+* (c) Copyright 2008, OnChip Technologies LLC
+* All Rights Reserved
+*
+* www.nxp.com
+* www.onchiptech.com
+*
+* File : usbhost_ms.c
+* Programmer(s) : Ravikanth.P
+* Version :
+*
+**************************************************************************************************************
+*/
+
+/*
+**************************************************************************************************************
+* INCLUDE HEADER FILES
+**************************************************************************************************************
+*/
+
+#include "usbhost_ms.h"
+
+/*
+**************************************************************************************************************
+* GLOBAL VARIABLES
+**************************************************************************************************************
+*/
+
+USB_INT32U MS_BlkSize;
+
+/*
+**************************************************************************************************************
+* INITIALIZE MASS STORAGE INTERFACE
+*
+* Description: This function initializes the mass storage interface
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult)
+{
+ USB_INT08U retry;
+ USB_INT32S rc;
+
+ MS_GetMaxLUN(); /* Get maximum logical unit number */
+ retry = 80;
+ while(retry) {
+ rc = MS_TestUnitReady(); /* Test whether the unit is ready */
+ if (rc == OK) {
+ break;
+ }
+ MS_GetSenseInfo(); /* Get sense information */
+ retry--;
+ }
+ if (rc != OK) {
+ PRINT_Err(rc);
+ return (rc);
+ }
+ rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */
+ MS_BlkSize = *blkSize; // Set global
+ rc = MS_Inquire (inquiryResult);
+ return (rc);
+}
+/*
+**************************************************************************************************************
+* PARSE THE CONFIGURATION
+*
+* Description: This function is used to parse the configuration
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_ParseConfiguration (void)
+{
+ volatile USB_INT08U *desc_ptr;
+ USB_INT08U ms_int_found;
+
+
+ desc_ptr = TDBuffer;
+ ms_int_found = 0;
+
+ if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
+ return (ERR_BAD_CONFIGURATION);
+ }
+ desc_ptr += desc_ptr[0];
+
+ while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) {
+
+ switch (desc_ptr[1]) {
+
+ case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */
+ if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */
+ desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */
+ desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */
+ ms_int_found = 1;
+ desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
+ }
+ break;
+
+ case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */
+ if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */
+ if (desc_ptr[2] & 0x80) { /* If it is In endpoint */
+ EDBulkIn->Control = 1 | /* USB address */
+ ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
+ (2 << 11) | /* direction */
+ (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
+ desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
+ } else { /* If it is Out endpoint */
+ EDBulkOut->Control = 1 | /* USB address */
+ ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
+ (1 << 11) | /* direction */
+ (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
+ desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
+ }
+ } else { /* If it is not bulk end point */
+ desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
+ }
+ break;
+
+ default: /* If the descriptor is neither interface nor endpoint */
+ desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
+ break;
+ }
+ }
+ if (ms_int_found) {
+ PRINT_Log("Mass Storage device connected\n");
+ return (OK);
+ } else {
+ PRINT_Log("Not a Mass Storage device\n");
+ return (ERR_NO_MS_INTERFACE);
+ }
+}
+
+/*
+**************************************************************************************************************
+* GET MAXIMUM LOGICAL UNIT
+*
+* Description: This function returns the maximum logical unit from the device
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_GetMaxLUN (void)
+{
+ USB_INT32S rc;
+
+
+ rc = Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
+ MS_GET_MAX_LUN_REQ,
+ 0,
+ 0,
+ 1,
+ TDBuffer);
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* GET SENSE INFORMATION
+*
+* Description: This function is used to get sense information from the device
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERROR if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_GetSenseInfo (void)
+{
+ USB_INT32S rc;
+
+
+ Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6);
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) {
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* TEST UNIT READY
+*
+* Description: This function is used to test whether the unit is ready or not
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERROR if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_TestUnitReady (void)
+{
+ USB_INT32S rc;
+
+
+ Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6);
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) {
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* READ CAPACITY
+*
+* Description: This function is used to read the capacity of the mass storage device
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERROR if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize)
+{
+ USB_INT32S rc;
+
+
+ Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10);
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8);
+ if (rc == OK) {
+ if (numBlks)
+ *numBlks = ReadBE32U(&TDBuffer[0]);
+ if (blkSize)
+ *blkSize = ReadBE32U(&TDBuffer[4]);
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) {
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ }
+ return (rc);
+}
+
+
+
+USB_INT32S MS_Inquire (USB_INT08U *response)
+{
+ USB_INT32S rc;
+ USB_INT32U i;
+
+ Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6);
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH);
+ if (rc == OK) {
+ if (response) {
+ for ( i = 0; i < INQUIRY_LENGTH; i++ )
+ *response++ = *TDBuffer++;
+#if 0
+ MemCpy (response, TDBuffer, INQUIRY_LENGTH);
+ StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS);
+ StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS);
+ StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS);
+#endif
+ }
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) { // bCSWStatus byte
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* RECEIVE THE BULK DATA
+*
+* Description: This function is used to receive the bulk data
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
+ USB_INT16U num_blocks,
+ volatile USB_INT08U *user_buffer)
+{
+ USB_INT32S rc;
+ int i;
+ volatile USB_INT08U *c = user_buffer;
+ for (i=0;i<MS_BlkSize*num_blocks;i++)
+ *c++ = 0;
+
+
+ Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10);
+
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) {
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* SEND BULK DATA
+*
+* Description: This function is used to send the bulk data
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_BulkSend ( USB_INT32U block_number,
+ USB_INT16U num_blocks,
+ volatile USB_INT08U *user_buffer)
+{
+ USB_INT32S rc;
+
+
+ Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10);
+
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks);
+ if (rc == OK) {
+ rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
+ if (rc == OK) {
+ if (TDBuffer[12] != 0) {
+ rc = ERR_MS_CMD_FAILED;
+ }
+ }
+ }
+ }
+ return (rc);
+}
+
+/*
+**************************************************************************************************************
+* FILL MASS STORAGE COMMAND
+*
+* Description: This function is used to fill the mass storage command
+*
+* Arguments : None
+*
+* Returns : OK if Success
+* ERR_INVALID_BOOTSIG if Failed
+*
+**************************************************************************************************************
+*/
+
+void Fill_MSCommand (USB_INT32U block_number,
+ USB_INT32U block_size,
+ USB_INT16U num_blocks,
+ MS_DATA_DIR direction,
+ USB_INT08U scsi_cmd,
+ USB_INT08U scsi_cmd_len)
+{
+ USB_INT32U data_len;
+ static USB_INT32U tag_cnt = 0;
+ USB_INT32U cnt;
+
+
+ for (cnt = 0; cnt < CBW_SIZE; cnt++) {
+ TDBuffer[cnt] = 0;
+ }
+ switch(scsi_cmd) {
+
+ case SCSI_CMD_TEST_UNIT_READY:
+ data_len = 0;
+ break;
+ case SCSI_CMD_READ_CAPACITY:
+ data_len = 8;
+ break;
+ case SCSI_CMD_REQUEST_SENSE:
+ data_len = 18;
+ break;
+ case SCSI_CMD_INQUIRY:
+ data_len = 36;
+ break;
+ default:
+ data_len = block_size * num_blocks;
+ break;
+ }
+ WriteLE32U(TDBuffer, CBW_SIGNATURE);
+ WriteLE32U(&TDBuffer[4], tag_cnt);
+ WriteLE32U(&TDBuffer[8], data_len);
+ TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction;
+ TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */
+ TDBuffer[15] = scsi_cmd;
+ if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE)
+ || (scsi_cmd == SCSI_CMD_INQUIRY)) {
+ TDBuffer[19] = (USB_INT08U)data_len;
+ } else {
+ WriteBE32U(&TDBuffer[17], block_number);
+ }
+ WriteBE16U(&TDBuffer[22], num_blocks);
+}
diff -r 000000000000 -r ed0b4e66d2ad USBHostLite/usbhost_ms.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostLite/usbhost_ms.h Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,101 @@
+/*
+**************************************************************************************************************
+* NXP USB Host Stack
+*
+* (c) Copyright 2008, NXP SemiConductors
+* (c) Copyright 2008, OnChip Technologies LLC
+* All Rights Reserved
+*
+* www.nxp.com
+* www.onchiptech.com
+*
+* File : usbhost_ms.h
+* Programmer(s) : Ravikanth.P
+* Version :
+*
+**************************************************************************************************************
+*/
+
+#ifndef USBHOST_MS_H
+#define USBHOST_MS_H
+
+/*
+**************************************************************************************************************
+* INCLUDE HEADER FILES
+**************************************************************************************************************
+*/
+
+#include "usbhost_inc.h"
+
+/*
+**************************************************************************************************************
+* MASS STORAGE SPECIFIC DEFINITIONS
+**************************************************************************************************************
+*/
+
+#define MS_GET_MAX_LUN_REQ 0xFE
+#define MASS_STORAGE_CLASS 0x08
+#define MASS_STORAGE_SUBCLASS_SCSI 0x06
+#define MASS_STORAGE_PROTOCOL_BO 0x50
+
+#define INQUIRY_LENGTH 36
+/*
+**************************************************************************************************************
+* SCSI SPECIFIC DEFINITIONS
+**************************************************************************************************************
+*/
+
+#define CBW_SIGNATURE 0x43425355
+#define CSW_SIGNATURE 0x53425355
+#define CBW_SIZE 31
+#define CSW_SIZE 13
+#define CSW_CMD_PASSED 0x00
+#define SCSI_CMD_REQUEST_SENSE 0x03
+#define SCSI_CMD_TEST_UNIT_READY 0x00
+#define SCSI_CMD_INQUIRY 0x12
+#define SCSI_CMD_READ_10 0x28
+#define SCSI_CMD_READ_CAPACITY 0x25
+#define SCSI_CMD_WRITE_10 0x2A
+
+/*
+**************************************************************************************************************
+* TYPE DEFINITIONS
+**************************************************************************************************************
+*/
+
+typedef enum ms_data_dir {
+
+ MS_DATA_DIR_IN = 0x80,
+ MS_DATA_DIR_OUT = 0x00,
+ MS_DATA_DIR_NONE = 0x01
+
+} MS_DATA_DIR;
+
+/*
+**************************************************************************************************************
+* FUNCTION PROTOTYPES
+**************************************************************************************************************
+*/
+
+USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
+ USB_INT16U num_blocks,
+ volatile USB_INT08U *user_buffer);
+
+USB_INT32S MS_BulkSend ( USB_INT32U block_number,
+ USB_INT16U num_blocks,
+ volatile USB_INT08U *user_buffer);
+USB_INT32S MS_ParseConfiguration(void);
+USB_INT32S MS_TestUnitReady (void);
+USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize);
+USB_INT32S MS_GetMaxLUN (void);
+USB_INT32S MS_GetSenseInfo (void);
+USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult);
+USB_INT32S MS_Inquire (USB_INT08U *response);
+
+void Fill_MSCommand ( USB_INT32U block_number,
+ USB_INT32U block_size,
+ USB_INT16U num_blocks,
+ MS_DATA_DIR direction,
+ USB_INT08U scsi_cmd,
+ USB_INT08U scsi_cmd_len);
+#endif
diff -r 000000000000 -r ed0b4e66d2ad main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Jun 02 14:19:54 2015 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+#include "MSCFileSystem.h"
+#include "DHT.h"
+#include "TextLCD.h"
+Ticker timer_5s;
+MSCFileSystem msc("usb"); // Mount flash drive under the name "msc"
+Serial pc(USBTX,USBRX);
+DigitalOut led(LED1);
+DigitalOut rw(p13);
+DHT sensor(p10, DHT11);
+TextLCD lcd(p12, p14, p15, p16, p17, p18, TextLCD::LCD16x2);
+
+
+void attime()
+{
+ led = !led;
+}
+
+int main()
+
+{
+ rw=0;
+ led =0;
+ unsigned char data[120*160]; // Test array of data
+ timer_5s.attach(&attime, 10);
+ int error = 0;
+ //float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
+ float h = 0.0f, c = 0.0f;
+
+ while(1) {
+ wait(2.0f);
+ error = sensor.readData();
+ if (0 == error) {
+ c = sensor.ReadTemperature(CELCIUS);
+ h = sensor.ReadHumidity();
+ lcd.locate(0,0);
+ lcd.printf("Temp : %4.2f\n", c);
+ lcd.locate(0,1);
+ lcd.printf("Humid : %4.2f\n", h);
+ // lcd.printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
+ } else {
+ lcd.printf("Error: %d\n", error);
+ }
+ if (led==1) {
+ wait(0.2);
+ // Fill the data with values
+ for (int i=0; i<120*160; i++) {
+ data[i] = 0xAA; // Fill array with data
+ }
+
+ // Create timers
+ // Timer Write_time, Read_time;
+ // Write_time.start();
+
+ // Write to local file
+ FILE *fp = fopen( "/usb/Mesures.txt", "a");
+
+ for (int i=0; i<1; i++) {
+ //fprintf(fp, "%c",data[i]);
+
+ fprintf(fp, "Temp : %4.2f\n - ",c,data[0]);
+ fprintf(fp, "Humid : %4.2f\n\r\n", h,data[0]);
+ }
+
+ fclose(fp);
+ led=0;
+ }
+
+ }
+ // Write_time.stop();
+ // pc.printf("\n\rTime taken so write array = %f seconds",Write_time.read());
+
+
+}
\ No newline at end of file
diff -r 000000000000 -r ed0b4e66d2ad mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Jun 02 14:19:54 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/433970e64889 \ No newline at end of file