First Steps with Stellaris

Hey,

thank you for this Tipp, but i don´t have this Window.

Edit: 

Have found it. With active advanced settings i see it ;) 

A second Edit:

It looks like the UART sending something. I don´t get any Message on my PC, but my Oscilloscope detect something.

Thank you very much for your help :) 

A last question....

Did i repeat the steps with the Predefining of my µC in every new Project or is it global for all Projects?

Daniel Kampert said:

Did i repeat the steps with the Predefining of my µC in every new Project or is it global for all Projects?

Each project needs to define its own settings.

If you don't want to have to do it "manually" each time, then just base your new project on an existing one which has the required settings...

Hey,

thank you for the Answer.

Now i try to config the Chip as an I²C Slave to connect him with my Raspberry Pi.

I use this Code:

void I2cInit( void )
{
    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
    SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C0);
    
    GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_2 | GPIO_PIN_3);
    
    I2CSlaveIntEnable(I2C0_SLAVE_BASE);
    I2CIntRegister(I2C0_SLAVE_BASE, vI2cIntHandler);  

    I2CSlaveInit(I2C0_SLAVE_BASE,SlaveAdr);

}

And this is my Code:

/* Include of StellarisWare */
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/fpu.h"
#include "driverlib/gpio.h"
#include "driverlib/interrupt.h"
#include "driverlib/pin_map.h"
#include "driverlib/rom.h"
#include "driverlib/sysctl.h"
#include "driverlib/uart.h"
#include "driverlib/rom.h"
#include "driverlib/i2c.h"

/* Include of standard C Headerfiles */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SLAVE_ADDRESS 0x3C

//******************************************************************************//
// //
// The error routine that is called if the driver library encounters an error. //
// //
//******************************************************************************//
#ifdef DEBUG
void
__error__(char *pcFilename, unsigned long ulLine)
{
}
#endif

//******************************************************************************//
// //
// Subroutines //
// //
//******************************************************************************//

void Send_UART(char Data[])
{
int n; // Local Variable for the Counter
size_t Laenge; // Local Variable for the Stringlenght

Laenge = strlen(Data); // Get Lenght of target String
for(n = 0; n < Laenge; n++)
{
UARTCharPut(UART1_BASE, Data[n]); // Print each Character of the target String
}

UARTCharPut(UART1_BASE, 0x0A); // Send LF
UARTCharPut(UART1_BASE, 0x0D); // Send CR
}

void I2C_SlaveInit(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE); // Enable Port E (for I²C)
SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C2); // Enable I²C2-Module

GPIOPinConfigure(GPIO_PE4_I2C2SCL); // Config alternative SCL Function on PortE4
GPIOPinConfigure(GPIO_PE5_I2C2SDA); // Config alternative SDA Function on PortE5
GPIOPinTypeI2C(GPIO_PORTE_BASE, GPIO_PIN_4 | GPIO_PIN_5); // Config PortE4 & 5 for I²C

/* I²C Configuration */
I2CSlaveEnable(I2C2_SLAVE_BASE);
I2CSlaveInit(I2C2_SLAVE_BASE, SLAVE_ADDRESS);

}

//******************************************************************************//

void main(void)
{
/* Variables */
char String[10];

/* System Configuration */
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_XTAL_16MHZ | // 16 MHz Clock
SYSCTL_OSC_MAIN);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF); // Enable Port F (for RGB LED)
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); // Enable Port B (for UART)
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART1); // Enable UART1-Module

/* Port Configuration */
GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_3); // Set Pin 3 of PortF as an Output
GPIOPinConfigure(GPIO_PB1_U1TX); // Config PortB1 as Tx
GPIOPinTypeUART(GPIO_PORTB_BASE, GPIO_PIN_1); // Config alternative UART Function of PortB1

/* UART1 Configuration */
UARTConfigSetExpClk(UART1_BASE, SysCtlClockGet(), 19200, // Config UART1 to 19200 Baud,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE | // 8-Bit, 1 Stopbit,
UART_CONFIG_PAR_NONE)); // no Parity
UARTEnable(UART1_BASE); // Enable UART1

/* Print out Clock */
ltoa(SysCtlClockGet(), String); // Convert Returnvalue of SysCtlClockGet() into a String
Send_UART("Systemclock:");
Send_UART(String); // Send String

I2C_SlaveInit();

while(1)
{
GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_3, 8); // Set Pin 3 to High Level
SysCtlDelay(SysCtlClockGet() / 10 / 3); // Delay of 3 Cycles/loop
GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_3, 0); // Set Pin 3 to Low Level
SysCtlDelay(SysCtlClockGet() / 10 / 3); // Delay of 3 Cycles/loop
}
}

I want use I2C2. 

The Board is connected with an DS1307 RTC over I²C to my Raspberry Pi.

But when i want display the Devices at the Bus the Raspberry shows no Device. When the Chip is disconnected, it shows the RTC and it works very well.

Where is my misstake?

Thanks and greetings 

Daniel