Revision 0:35c1800c59e6, committed 2010-11-19

Comitter:

DavidGilesHitex

Date:

Fri Nov 19 09:54:23 2010 +0000

Commit message:

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileSystem.lib	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_unsupported/code/fatfilesystem/
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeaderFiles/Wav_Support_File.h	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,24 @@
+/* Wave File Support Header File */
+/* ***************************** */
+
+
+
+/* Function Prototypes */
+extern uint8_t wave_file_check(uint8_t *wave_array, FILE *open_file);
+
+extern struct wave_header_construction
+				{	sint8_t  identification_block[5];
+					uint32_t length_of_file;
+					sint8_t  identifier1[5];
+					sint8_t  identifier2[5];
+					uint32_t position_of_data;
+					uint16_t format_tag;
+					uint16_t number_of_channels;
+					uint32_t samples_per_second;					
+					uint32_t bytes_per_second;
+					uint16_t bytes_per_sample;
+					uint16_t bits_per_sample;
+					sint8_t  marker[5];
+					uint32_t number_of_bits_in_sample;
+				} wave_file_info;
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeaderFiles/defines.h	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,11 @@
+/* Defines */
+/* ******* */
+
+
+/* Software Revision Number */
+#define FIRMWARE_VERSION 3
+
+
+/* LED On/OFF Defines */
+#define LED_ON 1
+#define LED_OFF 0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeaderFiles/mbed_Port_Structure.h	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,17 @@
+/* Header Files for Port Structure */
+/* ******************************* */
+
+
+extern void setup_mbed_ports(void);
+
+
+/* Configure the I/O Port Structure */
+extern DigitalOut User_Led1;
+extern DigitalOut User_Led2;
+extern DigitalOut User_Led3;
+extern DigitalOut User_Led4;
+
+
+/* Serial interface via USB  */
+extern Serial pc;
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeaderFiles/misra_types.h	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,32 @@
+/* Hitex Standard Header File */
+/* Types As Recommended By MISRA */
+
+
+
+/* Bytes (8bit length) */
+typedef unsigned char uint8_t;
+typedef char sint8_t;
+
+/* Half Words (16bit lengths) */
+typedef unsigned short uint16_t;
+typedef short sint16_t;
+
+/* Words (32bit lengths) */
+/* Also int */
+typedef unsigned int uint32_t;
+typedef long sint32_t;
+
+/* Double Words */
+typedef unsigned long long uint64_t;
+typedef long long sint64_t;
+
+
+/*
+ Constants should use the following suffixes also 
+
+u - Unsigned
+f - floating
+L - Long double (64bit)
+
+*/
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/SDFileSystem/#b1ddfc9a9b25

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SourceFiles/Wav_Support_File.cpp	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,224 @@
+/* Wav File Support */
+/* **************** */
+
+#include "mbed.h"
+#include "defines.h"
+#include "misra_types.h"
+#include "mbed_Port_Structure.h"
+
+
+
+/* Function Prototypes */
+uint8_t wave_file_check(uint8_t *wave_array, FILE *open_file);
+
+
+/* Global Variables */
+struct wave_header_construction
+				{	sint8_t  identification_block[5];
+					uint32_t length_of_file;
+					sint8_t  identifier1[5];
+					sint8_t  identifier2[5];
+					uint32_t position_of_data;
+					uint16_t format_tag;
+					uint16_t number_of_channels;
+					uint32_t samples_per_second;					
+					uint32_t bytes_per_second;
+					uint16_t bytes_per_sample;
+					uint16_t bits_per_sample;
+					sint8_t  marker[5];
+					uint32_t number_of_bits_in_sample;
+				} wave_file_info;
+
+
+
+
+
+/* Wave File Checker */
+uint8_t wave_file_check(uint8_t *wave_array, FILE *open_file)
+	{
+		uint8_t brk_flag = 0u;
+		uint8_t x = 0u;
+		uint8_t valid_sample = 0u;
+		sint16_t ch = 0;
+		
+		pc.printf("\n\rPrinting out.WAV file header...\n\r");	
+
+		for (x = 0; x < 0x2bu; x++)												/* Read the first 0x2b bytes of the file as this is the haeder informtation relating to sample rate etc. */
+			{
+				ch = fgetc(open_file);											/* Get the first byte from the file */
+				if (ch == EOF)  												/* Check for eof */
+					{
+						pc.printf("   File too short to be a wave file\n\r");	/* If we have less than 0x2b then file is not a wave file. */
+						valid_sample = 0u;
+						brk_flag = 1u;
+					}
+				else{
+						wave_array[x] = ch;	   									/* Load data in to header file array */
+					}
+					
+				if (brk_flag == 1u) 
+					{
+						break;
+					}
+			}
+			
+		if (brk_flag == 0u) 													/* OK we have downloaded the header into an Array. Lets check to see if its a valid file */
+			{
+				pc.printf("   Identification block (4 ASCII bytes)= ");								/* First 4 bytes are header block */
+				for (x = 0u; x < 4; x++) 
+					{
+						pc.putc(wave_array[x]);                   									/* and write them on the screen */
+						wave_file_info.identification_block[x] = wave_array[x];
+					}
+				wave_file_info.identification_block[4] = 0;											/* add the string terminator on the end */
+				pc.printf(" '%s'\n\r", wave_file_info.identification_block);
+	
+				
+				pc.printf("   Length of file (4 bytes) = ");										/* Length of file. */
+				for (x = 4u; x < 8u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.length_of_file =  ( ((uint32_t) wave_array[7] << 24) 
+												 + ((uint32_t) wave_array[6] << 16) 
+												 + ((uint32_t) wave_array[5] << 8) 
+												 + ((uint32_t) wave_array[4]) ); 
+				pc.printf(" = %d bytes\n\r", wave_file_info.length_of_file);
+
+			
+				pc.printf("   Identifier (4 ASCII bytes) = ");										/* indentifier string1 */
+				for (x = 8u; x < 12u; x++) 
+					{
+						pc.putc(wave_array[x]);                   									/* and write them on the screen */
+						wave_file_info.identifier1[x-8] = wave_array[x];
+					}
+				wave_file_info.identification_block[4] = 0;											/* add the string terminator on the end */
+				pc.printf(" '%s'\n\r", wave_file_info.identifier1);
+	
+				
+				pc.printf("   Identifier (4 ASCII bytes) = ");										/* Identifier String 2 */
+				for (x = 12; x < 16u; x++) 
+					{
+						pc.putc(wave_array[x]);                   									/* and write them on the screen */
+						wave_file_info.identifier2[x-12] = wave_array[x];
+					}
+				wave_file_info.identifier2[4] = 0;													/* add the string terminator on the end */
+				pc.printf(" '%s'\n\r", wave_file_info.identifier2);
+						
+
+				pc.printf("   Position of data (4 bytes) = ");										/* Position of data */
+				for (x = 16u; x < 20u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.position_of_data =  ( ((uint32_t) wave_array[19] << 24) 
+												   + ((uint32_t) wave_array[18] << 16) 
+												   + ((uint32_t) wave_array[17] << 8) 
+												   + ((uint32_t) wave_array[16]) ); 
+				pc.printf(" = %d\n\r", wave_file_info.position_of_data);
+
+			
+				pc.printf("   Format Tag - Always 1 for Wave PCM (2 bytes) = ");					/* format tag */
+				for (x = 20u; x < 22u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.format_tag = ( ((uint32_t) wave_array[21] << 8) 
+											+ ((uint32_t) wave_array[20]) ); 
+				pc.printf(" = %d\n\r", wave_file_info.format_tag);
+
+						
+				pc.printf("   Number of channels (2 bytes) = ");									/* Number of channels, mono or steroeo */
+				for (x = 22u; x < 24u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.number_of_channels = ( ((uint32_t) wave_array[23] << 8) 
+													+ ((uint32_t) wave_array[22]) ); 
+				pc.printf(" = %d channel(s)\n\r", wave_file_info.number_of_channels);
+
+					
+				pc.printf("   Samples per second (4 bytes) = ");		 							/* Samples per second */
+				for (x = 24u; x < 28u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.samples_per_second =( ((uint32_t) wave_array[27] << 24) 
+												   + ((uint32_t) wave_array[26] << 16) 
+												   + ((uint32_t) wave_array[25] << 8) 
+												   + ((uint32_t) wave_array[24]) ); 
+				pc.printf(" = %d samples per sec\n\r", wave_file_info.samples_per_second);
+
+								
+				pc.printf("   Bytes Per Second (4 bytes) = ");	 									/* Bytes per second */
+				for (x = 28u; x < 32u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.bytes_per_second =  ( ((uint32_t) wave_array[31] << 24) 
+												   + ((uint32_t) wave_array[30] << 16) 
+												   + ((uint32_t) wave_array[29] << 8) 
+												   + ((uint32_t) wave_array[28]) ); 
+				pc.printf(" = %d bytes per sec\n\r", wave_file_info.bytes_per_second);
+
+			
+				pc.printf("   Bytes Per Sample (2 bytes) = ");   									/* Bytes per sample */
+				for (x = 32u; x < 34u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.bytes_per_sample = 	( ((uint32_t) wave_array[33] << 8) 
+													+ ((uint32_t) wave_array[32]) ); 
+				pc.printf(" = %d bytes\n\r", wave_file_info.bytes_per_sample);
+
+					
+				pc.printf("   Bits Per Sample (2 bytes) = ");										/* Bits per sample */
+				for (x = 34u; x < 36u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.bits_per_sample = ( ((uint32_t) wave_array[35] << 8) 
+													+ ((uint32_t) wave_array[34]) ); 
+				pc.printf(" = %d bits\n\r", wave_file_info.bits_per_sample);
+
+						
+				pc.printf("   Marker (4 ASCII bytes) = ");											/* Marker */
+				for (x = 36u; x < 40u; x++) 
+					{
+						pc.putc(wave_array[x]);
+						wave_file_info.marker[x-36] = wave_array[x];						
+					}
+				wave_file_info.marker[4] = 0;
+				pc.printf(" '%s'\n\r", wave_file_info.marker);
+						
+
+				pc.printf("   The number of bits in the sample (4 bytes) = "); 						/* Number of bits per sample. */
+				for (x = 40u; x < 44u; x++) 
+					{
+						pc.printf("%d ",wave_array[x]);
+					}
+				wave_file_info.number_of_bits_in_sample =  (  ((uint32_t) wave_array[43] << 24) 
+												   			+ ((uint32_t) wave_array[42] << 16) 
+												   			+ ((uint32_t) wave_array[41] << 8) 
+												   			+ ((uint32_t) wave_array[40]) ); 
+				pc.printf(" = %d bits\n\r", wave_file_info.number_of_bits_in_sample);
+					
+			
+				/* Check for valid Wave file */
+				if (((wave_array[0] == 'R') && (wave_array[1] == 'I') && (wave_array[2] == 'F') && (wave_array[3] == 'F'))
+				&&  ((wave_array[8] == 'W') && (wave_array[9] == 'A') && (wave_array[0x0a] == 'V') && (wave_array[0x0b] == 'E'))
+				&& ((wave_array[0x0c] == 'f') && (wave_array[0x0d] == 'm') && (wave_array[0x0e] == 't') && (wave_array[0x0f] == ' '))
+				&& (wave_array[0x14] == 0x01)) valid_sample = 1u;
+				}
+
+		pc.printf("Finished examining the .WAV file header\n\r");
+		if (valid_sample == 1)
+			{
+				pc.printf("Sample is a valid .WAV sample file\n\n\r");
+			}
+		else{
+				pc.printf("Sample is a NOT a valid .WAV sample file\n\n\r");	
+			}	
+
+		return valid_sample;
+	}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SourceFiles/main.cpp	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,85 @@
+/* SD-Card Utility Program for RS-EDP and RS-EDP mbed adapter module */
+/* ***************************************************************** */
+
+
+
+#include "mbed.h"
+
+#include "defines.h"
+#include "misra_types.h"
+#include "mbed_Port_Structure.h"
+
+#include "SDFileSystem.h"
+#include "Wav_Support_File.h"
+
+
+
+
+/* Main Loop Here */
+int main(void) 
+	{
+		FILE *wavfile;
+		char file_name_with_root_and_path[30];
+		char input_file_name[30];
+		char *pointer1;
+		char *pointer2;
+		char n = 0;
+		uint8_t wave_array[30];	
+
+
+
+		for (n = 0; n < 30; n++)												/* initialise arrays to zero */
+			{
+				file_name_with_root_and_path[n] = 0;	
+				input_file_name[n] = 0;
+			}
+			
+		setup_mbed_ports();														/* Setup the I/O Structure of the mbed module */
+
+		pc.printf("\n\n\n\n\n\n\n\rWelcome the the mbed SD-CARD Utility\n\r");
+		pc.printf("Software Revision Number: %d\n\r\n", FIRMWARE_VERSION);
+		
+		pc.printf("This application reads a .WAV file from the SC-CARD and\n\r"); 
+		pc.printf("displays the header information contained within it\n\n\r");
+
+        User_Led1 = LED_OFF;
+        User_Led2 = LED_OFF;
+        User_Led3 = LED_OFF;
+        User_Led4 = LED_OFF;    
+        
+		while(1)
+			{            
+        		pointer1 = file_name_with_root_and_path;								/* set pointer1 to point at the complete name and path array */
+				strcpy(pointer1, "/sd/");												/* Start to build the root, directory and file name of the file we want to examine */
+       
+				pointer2 = input_file_name;												/* set pointer2 to point at an empty string array to take the user input file name */
+	        	pc.printf("Enter the file name you wish to check\n\r");
+
+    	    	scanf("%s", pointer2);													/* Get the file name into an array called 'input_file_name', pointed to by a pointer called pointer2 */
+        		strcat(pointer1, pointer2);												/* Add on the entered file name to the root direcotry */
+
+		        pc.printf("Opening the file: %s\n\r", file_name_with_root_and_path);	/* Print the name including the root and path of the file */
+	  			wavfile = fopen(file_name_with_root_and_path,"r");						/* Attempt to open the file for read only*/
+
+				if (wavfile == 0 ) 
+					{
+    					/* Problems - can not open the file whos name we just inputed */
+    					pc.printf("Unable to open wav file '%s'\n\r", file_name_with_root_and_path);
+						pc.printf("Please try again\n\r");    				
+					}
+   				else{
+  						/* ok file is now open - lets print the header file */
+		  				wave_file_check(wave_array, wavfile);
+		  			}
+  
+
+				/* you can now access all of the .WAV header file information in a global structure called 'wave_file_info' */
+				/* the structure provides you with all the necessary information to manage sample rates and timings etc */
+				/* eg */		
+				/* sample_rate    = wave_file_info.samples_per_second; */
+				/* stereo_or_mono = wave_file_info.number_of_channels  */ 
+
+	  			fclose(wavfile);														/* Close the file */
+  			}
+  	}
+  

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SourceFiles/mbed_Port_Structure.cpp	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,47 @@
+/* Configure the I/O Port Structure */
+/* ******************************** */
+
+
+/* includes files */
+#include "mbed.h"                                /* Header file for mbed module */
+#include "defines.h"                            /* User defines */
+#include "misra_types.h"                         /* MISRA Types */
+#include "SDFileSystem.h"                        /* File System for SD Card */
+
+
+
+/* Digital I/O */
+DigitalOut User_Led1(LED1);
+DigitalOut User_Led2(LED2);
+DigitalOut User_Led3(LED3);
+DigitalOut User_Led4(LED4);
+
+
+/* SPI Interface to RS-EDP CNTRL_SPI and the SD Card on Adapter board */
+SDFileSystem sd(p11, p12, p13, p14, "sd");
+
+
+/* Configure the USB as a virtual communications port */
+Serial pc(USBTX, USBRX);
+
+
+
+
+/* Function Prototypes */
+void setup_mbed_ports(void);
+
+
+
+/* Configure the I/O Ports */
+void setup_mbed_ports(void)
+    {
+        pc.baud(115000);                        /* Baud rate should be 115k baud */
+          pc.format(8, Serial::None, 1);        /* format is 8 data bits, no stop bit, no parity */
+
+        User_Led1 = LED_ON;
+        User_Led2 = LED_OFF;
+        User_Led3 = LED_ON;
+        User_Led4 = LED_OFF;
+    }
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Nov 19 09:54:23 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/3944f1e2fa4f