seniordesign-firmware Changeset - 5109fd6856e1

Changeset - 5109fd6856e1

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ethanzonca@CL-SEC241-08.cedarville.edu - 13 years ago 2012-11-09 00:00:05
ethanzonca@CL-SEC241-08.cedarville.edu

Work on SD card

6 files changed with 75 insertions and 96 deletions:

master/master/lib/afsk.c

master/master/lib/led.c

master/master/lib/logger.c

master/master/lib/sd/sd_raw.c

master/master/lib/sd/sd_raw_config.h

master/master/master.c

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master/master/lib/afsk.c

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@@ @@ -212,16 +212,12 @@ void afsk_setup() { @@
 	TCCR2B = (TCCR2B & ~(_BV(CS22) | _BV(CS21))) | _BV(CS20);
 	// Enable interrupt when TCNT2 reaches TOP (0xFF) (p.151, 163)
 	//TIMSK2 |= _BV(TOIE2);
 	TIMSK2 |= 0b00000001;
 	// Initialize PORTA
 	DDRA = 0xff;
 	PORTA = 0x00;
 	DDRD = 0xff;
 	PORTD = 0xff;
 	// todo: init radio, maybe in main
 	sei();

master/master/lib/led.c

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@@ @@ -6,19 +6,23 @@ @@
  */
 #include <avr/io.h>
 void led_setup() {
 	// Configure ports/pins for LEDs
 	DDRA = 0xff;
 	PORTA = 0x00;
+}
 void led_On(uint8_t led) {
 	// Turn the specified LED on
 	PORTA |= led;
+}
 void led_Off(uint8_t led) {
 	// Turn the specified LED off
 	PORTA &= ~(led);
+}
 void led_Toggle(uint8_t led) {
 	// Toggle the specified LED
+}
@@ \ No newline at end of file @@

master/master/lib/logger.c

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@@ @@ -23,116 +23,109 @@ @@
   * sd_raw_config.h and sd-reader_config.h. For example, you could disable
   * write support completely if you only need read support.
  */
 void logger_setup()
+{
 	while(1)
+	{
 		//check for SD exist/power/ready BEGIN
 		/* setup SD card slot */
 		if(!sd_raw_init()) //sd_raw.c this function may need an overhaul
+		{
 	#if DEBUG
 			uart_puts_p(PSTR("MMC/SD initialization failed\n"));
 	#endif
 			continue;
 			// initialization failed!!!!!!!
 			PORTA |= 0b00000001;
 			return;
+		}
 return;
 		//check for SD exist/power/ready END
 		//create partition BEGIN
 		/* open first partition */
 		struct partition_struct* partition = partition_open(sd_raw_read,
 															sd_raw_read_interval,
 	//#if SD_RAW_WRITE_SUPPORT //probably want this to be true ??
 															sd_raw_write,
 															sd_raw_write_interval,
 	//#endif
 															);
 		//check that partition was created correctly
 		if(!partition)
+		{
 			// OH GOSH TERRIBLE ERROR HERE
 			/* If the partition did not open, assume the storage device
 				* is a "superfloppy", i.e. has no MBR.
 				*/
 			//what is MBR ??
 			partition = partition_open(sd_raw_read,
 										sd_raw_read_interval,
 	#if SD_RAW_WRITE_SUPPORT //probably want this to be true ??
 										sd_raw_write,
 										sd_raw_write_interval,
 	#else
 ,
 ,
 	#endif
 										-1
 										);
 			if(!partition)
+			{
 	#if DEBUG
 				uart_puts_p(PSTR("opening partition failed\n"));
 	#endif
 				continue;
 				// oh frick opening partition failed
 				PORTA |= 0b00000010;
 				return;
+			}
+		}
 		//open partition END
 		//open file system BEGIN
 		/* open file system */
 		struct fat_fs_struct* fs = fat_open(partition);
 		if(!fs)
+		{
 			#if DEBUG
 			uart_puts_p(PSTR("opening file system failed\n"));
 			#endif
 			continue;
 			// opening fs failed!
 			PORTA |= 0b00000100;
 			return;
+		}
 		//open file system END
 		//open directory BEGIN
 		/* open root directory */
 		struct fat_dir_entry_struct directory;
 		fat_get_dir_entry_of_path(fs, "/", &directory);
 		struct fat_dir_struct* dd = fat_open_dir(fs, &directory);
 		if(!dd)
+		{
 			#if DEBUG
 			uart_puts_p(PSTR("opening root directory failed\n"));
 			#endif
 			continue;
 			// frick opening root dir failed
 			PORTA |= 0b00000101;
 			return;
+		}
 		//open directory END
 		//simplified version of console BEGIN
 		/* provide a simple shell */
 		char buffer[24];
 		while(1)
+		{
 			/* execute command */
 			/* search file in current directory and open it */
 			struct fat_file_struct* fd = open_file_in_dir(fs, dd, "data.csv"); //logger.h
 			if(!fd)
+			{
 				//error open file handling
 				continue;
 			PORTA |= 0b00000110;
 			return;
+			}
-			int32_t offset = 5;//strtolong(offset_value);
+		int32_t offset = 0;//strtolong(offset_value);
 			if(!fat_seek_file(fd, &offset, FAT_SEEK_SET)) //seek to begin or end or what ??
+			{
 				//error seek to file handling
+			PORTA |= 0b00000111;
 				fat_close_file(fd);
-				continue;
+			return;
+			}
 		buffer[0] = 'H';
 		buffer[1] = 'e';
 		buffer[2] = 'l';
 		buffer[3] = 'l';
 		buffer[4] = 'o';
 		buffer[5] = 'w';
 		buffer[6] = 'o';
 		buffer[7] = 'r';
 		buffer[8] = 'l';
 		buffer[9] = 'd';
 			/* read text from the shell and write it to the file */
 			uint8_t data_len = sizeof(buffer);
 			while(1)
+			{
 				/* write text to file !! */
@@ @@ -141,14 +134,13 @@ void logger_setup() @@
 					//uart_puts_p(PSTR("error writing to file\n"));
 					break;
+				}
+			}
 			fat_close_file(fd); //may want to leave file open ??
+		}
 		//simplified version of console END
 		//prepare for closing SD connection BEGIN
 		/* close directory */
 		fat_close_dir(dd); //fat.c
@@ @@ -156,13 +148,12 @@ void logger_setup() @@
 		fat_close(fs); //fat.c
 		/* close partition */
 		partition_close(partition); //partition.c
 		//prepare for closing SD connection END
+	}
+}
 //writes a single line to the SD card
 uint8_t logger_writeLine(char* dateLine, uint8_t length)
+{
 	return length; //does not actually return length
+}

master/master/lib/sd/sd_raw.c

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@@ @@ -188,15 +188,21 @@ uint8_t sd_raw_init() @@
     SPCR0 = (0 << SPIE0) | /* SPI Interrupt Enable */
            (1 << SPE0)  | /* SPI Enable */
            (0 << DORD0) | /* Data Order: MSB first */
            (1 << MSTR0) | /* Master mode */
            (0 << CPOL0) | /* Clock Polarity: SCK low when idle */
            (0 << CPHA0) | /* Clock Phase: sample on rising SCK edge */
            (1 << SPR10) | /* Clock Frequency: f_OSC / 128 */
            (1 << SPR00);
            (1 << SPR10);   /* Clock Frequency: f_OSC / 128 */
            //(1 << SPR00); // commentnig this out means /64, which gives over 100khz as required
     SPSR0 &= ~(1 << SPI2X0); /* No doubled clock frequency */
 // transmit a char
  while ( ! ( SPSR0 & ( 1 << SPIF0 )));  //  wait for completion of
  SPDR0 = 'c';                            // begin transmission
 return;
     /* initialization procedure */
     sd_raw_card_type = 0;
     if(!sd_raw_available())
         return 0;
@@ @@ -336,23 +342,28 @@ uint8_t sd_raw_init() @@
  * Checks wether a memory card is located in the slot.
+ *
  * \returns 1 if the card is available, 0 if it is not.
  */
 uint8_t sd_raw_available()
+{
 	int i;
 	return 1; // !!TODO: OH GOSH CHANGE ME
     return get_pin_available() == 0x00;
+}
 /**
  * \ingroup sd_raw
  * Checks wether the memory card is locked for write access.
+ *
  * \returns 1 if the card is locked, 0 if it is not.
  */
 uint8_t sd_raw_locked()
+{
 	int i;
 	// !!TODO oh gosh change me
 	return 0;
     return get_pin_locked() == 0x00;
+}
 /**
  * \ingroup sd_raw
  * Sends a raw byte to the memory card.
@@ @@ -375,14 +386,17 @@ void sd_raw_send_byte(uint8_t b) @@
  * \returns The byte which should be read.
  * \see sd_raw_send_byte
  */
 uint8_t sd_raw_rec_byte()
+{
     /* send dummy data for receiving some */
     SPDR0 = 0xff;
 		PORTA = 0x01;
     while(!(SPSR0 & (1 << SPIF0)));
 	PORTA = 0x02;
     SPSR0 &= ~(1 << SPIF0);
     return SPDR0;
+}
 /**

master/master/lib/sd/sd_raw_config.h

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@@ @@ -68,73 +68,38 @@ extern "C" @@
 #define SD_RAW_SDHC 0
 /**
  * @}
  */
 /* defines for customisation of sd/mmc port access */
 #if defined(__AVR_ATmega8__) || \
     defined(__AVR_ATmega48__) || \
     defined(__AVR_ATmega48P__) || \
     defined(__AVR_ATmega88__) || \
     defined(__AVR_ATmega88P__) || \
     defined(__AVR_ATmega168__) || \
     defined(__AVR_ATmega168P__) || \
     defined(__AVR_ATmega328P__)
     #define configure_pin_mosi() DDRB |= (1 << DDB3)
     #define configure_pin_sck() DDRB |= (1 << DDB5)
     #define configure_pin_ss() DDRB |= (1 << DDB2)
     #define configure_pin_miso() DDRB &= ~(1 << DDB4)
     #define select_card() PORTB &= ~(1 << PORTB2)
     #define unselect_card() PORTB |= (1 << PORTB2)
 #elif defined(__AVR_ATmega16__) || \
       defined(__AVR_ATmega32__)
     #define configure_pin_mosi() DDRB |= (1 << DDB5)
     #define configure_pin_sck() DDRB |= (1 << DDB7)
     #define configure_pin_ss() DDRB |= (1 << DDB4)
     #define configure_pin_miso() DDRB &= ~(1 << DDB6)
     #define select_card() PORTB &= ~(1 << PORTB4)
     #define unselect_card() PORTB |= (1 << PORTB4)
 #elif defined(__AVR_ATmega64__) || \
       defined(__AVR_ATmega128__) || \
       defined(__AVR_ATmega169__)
     #define configure_pin_mosi() DDRB |= (1 << DDB2)
     #define configure_pin_sck() DDRB |= (1 << DDB1)
     #define configure_pin_ss() DDRB |= (1 << DDB0)
     #define configure_pin_miso() DDRB &= ~(1 << DDB3)
     #define select_card() PORTB &= ~(1 << PORTB0)
     #define unselect_card() PORTB |= (1 << PORTB0)
 #elif defined(__AVR_ATmega164P__) || \
 	  defined(__AVR_ATmega324P__) || \
 	  defined(__AVR_ATmega664P__)
     #define configure_pin_mosi() DDRB |= (1 << DDRB5) //PB5
     #define configure_pin_sck() DDRB |= (1 << DDRB7) //PB7
     #define configure_pin_ss() DDRB |= (1 << DDRB0) //PB0 - custom pin
     #define configure_pin_miso() DDRB &= ~(1 << DDRB6) //PB6
     #define select_card() PORTB &= ~(1 << PORTB0)
     #define unselect_card() PORTB |= (1 << PORTB0)
 #else
     #error "no sd/mmc pin mapping available!" //sends error if micro not specified
 #endif
 #define configure_pin_available() DDRC &= ~(1 << DDRC4)
 #define configure_pin_locked() DDRC &= ~(1 << DDRC5)
 #define get_pin_available() (PINC & (1 << PINC4))
 #define get_pin_locked() (PINC & (1 << PINC5))
 #if SD_RAW_SDHC
     typedef uint64_t offset_t;
 #else
     typedef uint32_t offset_t;
 #endif
 /* configuration checks */
 #if SD_RAW_WRITE_SUPPORT
 #undef SD_RAW_SAVE_RAM
 #define SD_RAW_SAVE_RAM 0
 #else
 #undef SD_RAW_WRITE_BUFFERING

master/master/master.c

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@@ @@ -15,34 +15,43 @@ @@
 #include <avr/io.h>
 #include <util/delay.h>
 #include "lib/serial.h"
 #include "lib/aprs.h"
 #include "lib/afsk.h"
 #include "lib/led.h"
 #include "lib/logger.h"
 #include "lib/sd/sd_raw_config.h"
 void micro_setup() {
 	// Generic microcontroller config options
+}
 int main(void)
+{
 	// Initialize
 	micro_setup();
 	led_setup();
 	serial_setup(); // Config serial ports
 	afsk_setup();
 	_delay_ms(400);
 	_delay_ms(400);
 	logger_setup();
     while(1)
+    {
 		//afsk_test();
 		aprs_send();
 		_delay_ms(400);
 		_delay_ms(400);
 		//aprs_send();
 		_delay_ms(400);
 		_delay_ms(400);
 		_delay_ms(400);
 		_delay_ms(400);
         serial_SendCommand('0','A',0,0);
         //serial_SendCommand('0','A',0,0);
+    }
+}
@@ \ No newline at end of file @@

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