seniordesign-firmware Changeset - 7c7bd3044e69

Changeset - 7c7bd3044e69

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ethanzonca@CL-SEC241-08.cedarville.edu - 12 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 38 insertions and 38 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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@@ @@ -33,7 +33,7 @@ void logger_setup() @@
 			PORTA |= 0b00000001;
 			return;
+		}
-return;
 		//check for SD exist/power/ready END
 		/* open first partition */
@@ @@ -93,7 +93,9 @@ return; @@
 		//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
@@ @@ -111,18 +113,7 @@ return; @@
 			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);

master/master/lib/sd/sd_raw.c

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@@ @@ -183,23 +183,25 @@ uint8_t sd_raw_init() @@
     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
             //(1 << SPR00); // commentnig this out means /64, which gives over 100khz as required
     SPSR0 &= ~(1 << SPI2X0); // No doubled clock frequency
     /* 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
 /*
 	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;

master/master/lib/sd/sd_raw_config.h

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@@ @@ -73,7 +73,7 @@ extern "C" @@
 #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)

master/master/master.c

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@@ @@ -29,26 +29,33 @@ void micro_setup() { @@
+}
 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);

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