seniordesign-firmware Changeset - 29a47f4a335d

Changeset - 29a47f4a335d

Parent rev.

Child rev.

[Not reviewed]

default

0 6 0

kripperger@CL-SEC241-09.cedarville.edu - 13 years ago 2012-11-27 14:55:18
kripperger@CL-SEC241-09.cedarville.edu

spi

6 files changed with 50 insertions and 29 deletions:

slave/slave/lib/sensors.c

slave/slave/lib/sensors.h

slave/slave/lib/spi.c

slave/slave/lib/spi.h

slave/slave/modules.c

slave/slave/slave.cproj

0 comments (0 inline, 0 general)

slave/slave/lib/sensors.c

➞

Show inline comments

 /*
  * sensors.c
+ *
  * Created: 11/19/2012 9:25:01 PM
  *  Author: kripperger
  */
 #include <inttypes.h>
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include "../config.h"
 #include <util/delay.h>
 #include "sensors.h"
 #include "spi.h"
 uint8_t readSpiTemp()
+{
 	// select TEMP wait 100 microseconds then read four bytes
 	SELECT_TEMP;
 	_delay_us(100);
 	unsigned char one = send_spi(0xFF);
 	_delay_us(100);
 	unsigned char two = send_spi(0xFF);
 	_delay_us(100);
 	unsigned char three = send_spi(0xFF);
 	_delay_us(100);
 	unsigned char four = send_spi(0xFF);
 	DESELECT_TEMP;
 	//return ((0x1F & one) << 7) | (two >> 1);
 	return 0;	//DEBUG
+}
@@ \ No newline at end of file @@

slave/slave/lib/sensors.h

➞

Show inline comments

 /*
  * sensors.h
+ *
  * Created: 11/19/2012 9:24:50 PM
  *  Author: kripperger
  */
 #ifndef SENSORS_H_
 #define SENSORS_H_
+uint8_t readSpiTemp(void);
 #endif /* SENSORS_H_ */
@@ \ No newline at end of file @@

slave/slave/lib/spi.c

➞

Show inline comments

 /*
+ *
+ *
+ *
+ *
+ *
+ *
  */
 #include "spi.h"
 void setup_spi(uint8_t mode, int dord, int interrupt, uint8_t clock)
+{
 	DESELECT_TEMP;
   // specify pin directions for SPI pins on port B
   if (clock == SPI_SLAVE) { // if slave SS and SCK is input
     DDRB &= ~(1<<SPI_MOSI_PIN); // input
     DDRB |= (1<<SPI_MISO_PIN); // output
     DDRB &= ~(1<<SPI_SS_PIN); // input
     DDRB &= ~(1<<SPI_SCK_PIN);// input
   } else {
     DDRB |= (1<<SPI_MOSI_PIN); // output
     DDRB &= ~(1<<SPI_MISO_PIN); // input
     DDRB |= (1<<SPI_SCK_PIN);// output
     DDRB |= (1<<SPI_SS_PIN);// output
+  }
   SPCR0 = ((interrupt ? 1 : 0)<<SPIE0) // interrupt enabled
     | (1<<SPE0) // enable SPI
     | (dord<<DORD0) // LSB or MSB
     | (((clock != SPI_SLAVE) ? 1 : 0) <<MSTR0) // Slave or Master
     | (((mode & 0x02) == 2) << CPOL0) // clock timing mode CPOL
     | (((mode & 0x01)) << CPHA0) // clock timing mode CPHA
     | (((clock & 0x02) == 2) << SPR10) // cpu clock divisor SPR1
     | ((clock & 0x01) << SPR00); // cpu clock divisor SPR0
   SPSR0 = (((clock & 0x04) == 4) << SPI2X0); // clock divisor SPI2X
 	if (clock == SPI_SLAVE) {		// if slave SS and SCK is input
 		DDRB &= ~(1<<SPI_MOSI_PIN); // input
 		DDRB |= (1<<SPI_MISO_PIN);	// output
 		DDRB &= ~(1<<SPI_SS_PIN);	// input
 		DDRB &= ~(1<<SPI_SCK_PIN);	// input
 	} else {
 		DDRB |= (1<<SPI_MOSI_PIN);	// output
 		DDRB &= ~(1<<SPI_MISO_PIN); // input
 		DDRB |= (1<<SPI_SCK_PIN);	// output
 		DDRB |= (1<<SPI_SS_PIN);	// output
+	}
 	 SPCR0 = ((interrupt ? 1 : 0)<<SPIE0) // interrupt enabled
 		| (1<<SPE0)			// enable SPI
 		| (dord<<DORD0)		// LSB or MSB
 		| (((clock != SPI_SLAVE) ? 1 : 0) <<MSTR0)  // Slave or Master
 		| (((mode & 0x02) == 2) << CPOL0)			// clock timing mode CPOL
 		| (((mode & 0x01)) << CPHA0)				// clock timing mode CPHA
 		| (((clock & 0x02) == 2) << SPR10)			// cpu clock divisor SPR1
 		| ((clock & 0x01) << SPR00);				// cpu clock divisor SPR0
 	SPSR0 = (((clock & 0x04) == 4) << SPI2X0);	// clock divisor SPI2X
+}
 void disable_spi()
+{
   SPCR0 = 0;
+}
 uint8_t send_spi(uint8_t out)
+{
   SPDR0 = out;
   while (!(SPSR0 & (1<<SPIF0)));
   return SPDR0;
+}
 uint8_t received_from_spi(uint8_t data)
+{
   SPDR0 = data;
   return SPDR0;
+}

slave/slave/lib/spi.h

➞

Show inline comments

 /*
+ *
+ *
+ *
+ *
+ *
  */
 #ifndef SPI_H_
 #define SPI_H_
 #include <avr/io.h>
-#define SPI_SS_PIN PORTA1		//DEBUG
 #define SPI_SS_PIN PORTA1
 #define SPI_SCK_PIN PORTB7
 #define SPI_MOSI_PIN PORTB5
 #define SPI_MISO_PIN PORTB6
 #define SELECT_TEMP PORTA &= ~(1<<PA1)
 #define DESELECT_TEMP PORTA |= (1<<PA1)
 // SPI clock modes
 #define SPI_MODE_0 0x00 /* Sample (Rising) Setup (Falling) CPOL=0, CPHA=0 */
 #define SPI_MODE_1 0x01 /* Setup (Rising) Sample (Falling) CPOL=0, CPHA=1 */
 #define SPI_MODE_2 0x02 /* Sample (Falling) Setup (Rising) CPOL=1, CPHA=0 */
 #define SPI_MODE_3 0x03 /* Setup (Falling) Sample (Rising) CPOL=1, CPHA=1 */
 // data direction
 #define SPI_LSB 1 /* send least significant bit (bit 0) first */
 #define SPI_MSB 0 /* send most significant bit (bit 7) first */
 // whether to raise interrupt when data received (SPIF bit received)
 #define SPI_NO_INTERRUPT 0
 #define SPI_INTERRUPT 1
 // slave or master with clock diviser
 #define SPI_SLAVE 0xF0
 #define SPI_MSTR_CLK4 0x00 /* chip clock/4 */
 #define SPI_MSTR_CLK16 0x01 /* chip clock/16 */
 #define SPI_MSTR_CLK64 0x02 /* chip clock/64 */
 #define SPI_MSTR_CLK128 0x03 /* chip clock/128 */
 #define SPI_MSTR_CLK2 0x04 /* chip clock/2 */
 #define SPI_MSTR_CLK8 0x05 /* chip clock/8 */
 #define SPI_MSTR_CLK32 0x06 /* chip clock/32 */
 // setup spi
 void setup_spi(uint8_t mode,   // timing mode SPI_MODE[0-4]
 	       int dord,             // data direction SPI_LSB|SPI_MSB
 	       int interrupt,        // whether to raise interrupt on recieve
 	       uint8_t clock); // clock diviser
 // disable spi
 void disable_spi(void);
 // send and receive a byte of data (master mode)
 uint8_t send_spi(uint8_t out);
 // receive the byte of data waiting on the SPI buffer and
 // set the next byte to transfer - for use in slave mode
 // when interrupts are enabled.
 uint8_t received_from_spi(uint8_t out);
 #endif /* SPI_H_ */

slave/slave/modules.c

➞

Show inline comments

 /*
  * modules.c
+ *
  * Created: 11/9/2012 11:44:22 AM
  *  Author: kripperger
  */
  #include <inttypes.h>
  #include <avr/io.h>
  #include <avr/interrupt.h>
  #include "config.h"
  #include <util/delay.h>
  #include "modules.h"
+ #include "lib/spi.h"
  void modules_setup(uint8_t id)
+ {
 	switch(id)
+	{
 		case 0:
 			modules_generic_setup();
 			break;
 		case 1:
 			modules_sensors_setup();
 			break;
 		case 2:
 			modules_geiger_setup();
 			break;
 		case 3:
 			modules_cameras_setup();
 			break;
 		default:
 			modules_generic_setup();
 			break;
+	}
+ }
  void modules_run(uint8_t id)
+ {
 	 switch(id)
+	 {
 		 case 0:
 			modules_generic();
 			break;
 		 case 1:
 			modules_sensors();
 			break;
 		 case 2:
 			modules_geiger();
 			break;
 		 case 3:
 			modules_cameras();
 			break;
 		 default:
 			modules_generic();
 			break;
+	 }
+ }
  void modules_generic_setup()
+ {
+ }
  void modules_sensors_setup()
+ {
 	 setup_spi(SPI_MODE_0, SPI_MSB, SPI_NO_INTERRUPT, SPI_MSTR_CLK16);
+ }
  void modules_geiger_setup()
+ {
 	// Pin setup
 	DDRA &= ~(1 << DDRA0);	// PA0 is an input
 	// Setup for interrupt input on PA0 (PCINT0)
 	PCMSK0 |= (1 << PCINT0);	// Enable interrupt for PA0
 	PCICR |= (1 << PCIE0);		// Enable ioc section PCIF0
 	// Setup for interrupt from Timer2
 	ASSR &= ~(1 << EXCLK);	// Disable external clock input (enabling crystal use)
 	ASSR |= (1 << AS2);		// Enable timer2 async mode with an external crystal
 	_delay_ms(250);			// Let external 32KHz crystal stabilize
 	TCCR2B = 0x05;			// Set the prescaler to 128: 32.768kHz / 128 = 1Hz overflow
 	TIFR2 = 0x01;			// Reset timer2 overflow interrupt flag
 	TIMSK2 = 0x01;			// Enable interrupt on overflow
 	sei();					// Enable all interrupts
+ }
  void modules_cameras_setup()
+ {
+ }
  void modules_generic()
+ {
 	// Gathers data and performs functions for generic daughter board
+ }
  void modules_sensors()
+ {
 	// Gathers data and performs functions for sensor daughter board
+ }
  void modules_geiger()
+ {
 	// Gathers data and performs functions for geiger daughter board
+ }
  void modules_cameras()
+ {
 	// Gathers data and performs functions for cameras daughter board
+ }
@@ \ No newline at end of file @@

slave/slave/slave.cproj

➞

Show inline comments

 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectVersion>6.0</ProjectVersion>
     <ToolchainName>com.Atmel.AVRGCC8</ToolchainName>
     <ProjectGuid>{40d97b6e-7ff4-48e7-9a9e-5e50ba18526b}</ProjectGuid>
     <avrdevice>ATmega324P</avrdevice>
     <avrdeviceseries>none</avrdeviceseries>
     <OutputType>Executable</OutputType>
     <Language>C</Language>
     <OutputFileName>$(MSBuildProjectName)</OutputFileName>
     <OutputFileExtension>.elf</OutputFileExtension>
     <OutputDirectory>$(MSBuildProjectDirectory)\$(Configuration)</OutputDirectory>
     <AssemblyName>slave</AssemblyName>
     <Name>slave</Name>
     <RootNamespace>slave</RootNamespace>
     <ToolchainFlavour>Native</ToolchainFlavour>
     <KeepTimersRunning>true</KeepTimersRunning>
     <OverrideVtor>false</OverrideVtor>
     <OverrideVtorValue />
     <eraseonlaunchrule>0</eraseonlaunchrule>
     <AsfVersion>3.1.3</AsfVersion>
     <avrtoolinterface>ISP</avrtoolinterface>
     <avrtool>com.atmel.avrdbg.tool.ispmk2</avrtool>
     <com_atmel_avrdbg_tool_simulator>
       <ToolType xmlns="">com.atmel.avrdbg.tool.simulator</ToolType>
       <ToolName xmlns="">AVR Simulator</ToolName>
       <ToolNumber xmlns="">
       </ToolNumber>
       <KeepTimersRunning xmlns="">true</KeepTimersRunning>
       <OverrideVtor xmlns="">false</OverrideVtor>
       <OverrideVtorValue xmlns="">
       </OverrideVtorValue>
       <Channel xmlns="">
         <host>127.0.0.1</host>
         <port>55286</port>
         <ssl>False</ssl>
       </Channel>
     </com_atmel_avrdbg_tool_simulator>
     <com_atmel_avrdbg_tool_ispmk2>
       <ToolType>com.atmel.avrdbg.tool.ispmk2</ToolType>
       <ToolName>AVRISP mkII</ToolName>
       <ToolNumber>000200131077</ToolNumber>
       <KeepTimersRunning>true</KeepTimersRunning>
       <OverrideVtor>false</OverrideVtor>
       <OverrideVtorValue>
       </OverrideVtorValue>
       <Channel>
         <host>127.0.0.1</host>
         <port>55286</port>
         <ssl>False</ssl>
       </Channel>
       <ToolOptions>
         <InterfaceName>ISP</InterfaceName>
         <InterfaceProperties>
           <JtagDbgClock>249000</JtagDbgClock>
           <JtagProgClock>1000000</JtagProgClock>
           <IspClock>2010000</IspClock>
           <JtagInChain>false</JtagInChain>
           <JtagEnableExtResetOnStartSession>false</JtagEnableExtResetOnStartSession>
           <JtagDevicesBefore>0</JtagDevicesBefore>
           <JtagDevicesAfter>0</JtagDevicesAfter>
           <JtagInstrBitsBefore>0</JtagInstrBitsBefore>
           <JtagInstrBitsAfter>0</JtagInstrBitsAfter>
         </InterfaceProperties>
       </ToolOptions>
     </com_atmel_avrdbg_tool_ispmk2>
     <preserveEEPROM>True</preserveEEPROM>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <ToolchainSettings>
       <AvrGcc>
         <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
         <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
         <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
         <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
         <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
         <avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
         <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
         <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
         <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
         <avrgcc.linker.libraries.Libraries>
           <ListValues>
             <Value>m</Value>
           </ListValues>
         </avrgcc.linker.libraries.Libraries>
       </AvrGcc>
     </ToolchainSettings>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
     <ToolchainSettings>
       <AvrGcc>
         <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
         <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
         <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
         <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
         <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
         <avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
         <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
         <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
         <avrgcc.compiler.optimization.DebugLevel>Default (-g2)</avrgcc.compiler.optimization.DebugLevel>
         <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
         <avrgcc.linker.libraries.Libraries>
           <ListValues>
             <Value>m</Value>
           </ListValues>
         </avrgcc.linker.libraries.Libraries>
         <avrgcc.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcc.assembler.debugging.DebugLevel>
       </AvrGcc>
     </ToolchainSettings>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="config.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\cameras.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\cameras.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\geiger.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\geiger.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\i2c.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\i2c.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\inputOutput.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\inputOutput.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\led.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\led.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\sensors.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\sensors.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\spi.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="lib\spi.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="modules.c">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="modules.h">
       <SubType>compile</SubType>
     </Compile>
     <Compile Include="slave.c">
       <SubType>compile</SubType>
     </Compile>
   </ItemGroup>
   <ItemGroup>
     <Folder Include="lib" />
   </ItemGroup>
   <ItemGroup>
     <None Include="lib\SPIreadme.txt">
       <SubType>compile</SubType>
     </None>
   </ItemGroup>
   <Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
 </Project>
@@ \ No newline at end of file @@

0 comments (0 inline, 0 general)