seniordesign-firmware Changeset - 7c7bd3044e69

Changeset - 7c7bd3044e69

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ethanzonca@CL-SEC241-08.cedarville.edu - 13 years ago 2012-11-09 17:00:43
ethanzonca@CL-SEC241-08.cedarville.edu

SD card datalogging working, master just writes hello world to sd card in a loop

4 files changed with 33 insertions and 33 deletions:

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/logger.c

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@@ @@ -12,49 +12,49 @@ @@
 #include "sd/fat_config.h"
 #include "sd/partition.h"
 #include "sd/sd_raw.h"
 #include "sd/sd_raw_config.h"
 #include "logger.h"
 /*
 	//config edits
   * By changing the MCU* variables in the Makefile, you can use other Atmel
   * microcontrollers or different clock speeds. You might also want to change
   * the configuration defines in the files fat_config.h, partition_config.h,
   * 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()
+{
 		if(!sd_raw_init()) //sd_raw.c this function may need an overhaul
+		{
 			// initialization failed!!!!!!!
 			PORTA |= 0b00000001;
 			return;
+		}
-return;
 		//check for SD exist/power/ready END
 		/* open first partition */
 		struct partition_struct* partition = partition_open(sd_raw_read,
 															sd_raw_read_interval,
 															sd_raw_write,
 															sd_raw_write_interval,
 															);
 		//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.
 				*/
 			partition = partition_open(sd_raw_read,
 										sd_raw_read_interval,
 										sd_raw_write,
 										sd_raw_write_interval,
 										-1
 										);
 			if(!partition)
+			{
@@ @@ -72,78 +72,69 @@ return; @@
+		{
 			// 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)
+		{
 			// frick opening root dir failed
 			PORTA |= 0b00000101;
 			return;
+		}
 		//open directory END
 		//simplified version of console BEGIN
 		char buffer[24];
 		char buffer[24] = "Omg this is cool, haha!";
 		buffer[23] = 0xd;
 		buffer[24] = 0xa;
 		/* 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)
+		{
 			PORTA |= 0b00000110;
 			return;
+		}
 		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);
 			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 !! */
 			if(fat_write_file(fd, (uint8_t*) buffer, data_len) != data_len)
+			{
 				//uart_puts_p(PSTR("error writing to file\n"));
 				break;
+			}
+		}
 		fat_close_file(fd); //may want to leave file open ??
 		//prepare for closing SD connection BEGIN
 		/* close directory */
 		fat_close_dir(dd); //fat.c
 		/* close file system */
 		fat_close(fs); //fat.c

master/master/lib/sd/sd_raw.c

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@@ @@ -163,64 +163,66 @@ static uint8_t sd_raw_card_type; @@
 static void sd_raw_send_byte(uint8_t b);
 static uint8_t sd_raw_rec_byte();
 static uint8_t sd_raw_send_command(uint8_t command, uint32_t arg);
 /**
  * \ingroup sd_raw
  * Initializes memory card communication.
+ *
  * \returns 0 on failure, 1 on success.
  */
 uint8_t sd_raw_init()
+{
     /* enable inputs for reading card status */
     configure_pin_available();
     configure_pin_locked();
     /* enable outputs for MOSI, SCK, SS, input for MISO */
     configure_pin_mosi();
     configure_pin_sck();
     configure_pin_ss();
     configure_pin_miso();
     unselect_card();
     /* initialize SPI with lowest frequency; max. 400kHz during identification mode of card */
     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 */
     // initialize SPI with lowest frequency; max. 400kHz during identification mode of card
     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); // 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
     SPSR0 &= ~(1 << SPI2X0); // No doubled clock frequency
 /*
 	while(1) {
 		SPDR0 = 'a';					//Load byte to Data register
 		while(!(SPSR0 & (1<<SPIF0))); 	// Wait for transmission complete
+	}
 */
 return;
     /* initialization procedure */
     sd_raw_card_type = 0;
     if(!sd_raw_available())
         return 0;
     /* card needs 74 cycles minimum to start up */
     for(uint8_t i = 0; i < 10; ++i)
+    {
         /* wait 8 clock cycles */
         sd_raw_rec_byte();
+    }
     /* address card */
     select_card();
     /* reset card */
     uint8_t response;
     for(uint16_t i = 0; ; ++i)
+    {
         response = sd_raw_send_command(CMD_GO_IDLE_STATE, 0);
         if(response == (1 << R1_IDLE_STATE))
             break;

master/master/lib/sd/sd_raw_config.h

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@@ @@ -52,49 +52,49 @@ extern "C" @@
+ *
  * Set to 1 to save static RAM, but be aware that you will
  * lose performance.
+ *
  * \note When SD_RAW_WRITE_SUPPORT is 1, SD_RAW_SAVE_RAM will
  *       be reset to 0.
  */
 #define SD_RAW_SAVE_RAM 1
 /**
  * \ingroup sd_raw_config
  * Controls support for SDHC cards.
+ *
  * Set to 1 to support so-called SDHC memory cards, i.e. SD
  * cards with more than 2 gigabytes of memory.
  */
 #define SD_RAW_SDHC 0
 /**
  * @}
  */
 #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_ss() DDRB |= (1 << DDRB0) | (1 << DDRB4); PORTB |= (1<<DDRB4) //PB0 - custom pin, but pb4 must be set as output
 #define configure_pin_miso() DDRB &= ~(1 << DDRB6) //PB6
 #define select_card() PORTB &= ~(1 << PORTB0)
 #define unselect_card() PORTB |= (1 << PORTB0)
 #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 */

master/master/master.c

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@@ @@ -8,50 +8,57 @@ @@
  * Kyle Ripperger
  * Matthew Kroening
+ *
  */
 #include "config.h"
 #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();
 	//micro_setup();
 	//led_setup();
 	serial_setup(); // Config serial ports
 	afsk_setup();
 	//serial_setup(); // Config serial ports
 	//afsk_setup();
 	_delay_ms(400);
 	_delay_ms(400);
 	logger_setup(); // right now this blocks and writes text to the SD card
-	logger_setup();
     while(1)
+    {
 		//afsk_test();
-		//aprs_send();
 		aprs_send();
 		_delay_ms(400);
 		_delay_ms(400);
 		_delay_ms(400);
 		_delay_ms(400);
 		_delay_ms(400);
         //serial_SendCommand('0','A',0,0);
+    }
+}
@@ \ No newline at end of file @@

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