구차니의 잡동사니 모음

#include <Servo.h>
Servo servo;
int servoPin = 9;

long swing_period = 3000;
long servo_period = 10;
long swing_count  = 0;
long dir = 0;
long angle = 0;
long min_angle = 45;
long max_angle = 135;
long move_angle = max_angle - min_angle;

void setup() {
  // put your setup code here, to run once:
  servo.attach(servoPin);
}

void loop() {
  // put your main code here, to run repeatedly:
  if (swing_count < swing_period) swing_count += servo_period;
  else
  {
    swing_count = 0;
    if (dir == 0) dir = 1;
    else dir = 0;
  }

  if (dir == 0) // inc
    angle = min_angle + move_angle * swing_count / swing_period;
  else // dec
    angle = max_angle - move_angle * swing_count / swing_period;

  servo.write(angle);
  delay(servo_period);
}

;******************************************************************************

;

; This is the code that gets called when the processor first starts execution

; following a reset event.

;

;******************************************************************************

        EXPORT  Reset_Handler

Reset_Handler

        ;

        ; Enable the floating-point unit.  This must be done here to handle the

        ; case where main() uses floating-point and the function prologue saves

        ; floating-point registers (which will fault if floating-point is not

        ; enabled).  Any configuration of the floating-point unit using

        ; DriverLib APIs must be done here prior to the floating-point unit

        ; being enabled.

        ;

        ; Note that this does not use DriverLib since it might not be included

        ; in this project.

        ;

        MOVW    R0, #0xED88

        MOVT    R0, #0xE000

        LDR     R1, [R0]

        ORR     R1, #0x00F00000

        STR     R1, [R0]

        ;

        ; Call the C library enty point that handles startup.  This will copy

        ; the .data section initializers from flash to SRAM and zero fill the

        ; .bss section.

        ;

        IMPORT  __main

        B       __main 

;******************************************************************************

;

; qs-rgb.sct - Linker configuration file for qs-rgb.

;

; Copyright (c) 2012-2016 Texas Instruments Incorporated.  All rights reserved.

; Software License Agreement

; 

; Texas Instruments (TI) is supplying this software for use solely and

; exclusively on TI's microcontroller products. The software is owned by

; TI and/or its suppliers, and is protected under applicable copyright

; laws. You may not combine this software with "viral" open-source

; software in order to form a larger program.

; 

; THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.

; NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT

; NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

; A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY

; CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL

; DAMAGES, FOR ANY REASON WHATSOEVER.

; 

; This is part of revision 2.1.3.156 of the EK-TM4C123GXL Firmware Package.

;

;******************************************************************************

LR_IROM 0x00001000 0x00040000

{

    ;

    ; Specify the Execution Address of the code and the size.

    ;

    ER_IROM 0x00001000 0x00040000

    {

        *.o (RESET, +First)

        * (InRoot$$Sections, +RO)

    }

    ;

    ; Specify the Execution Address of the data area.

    ;

    RW_IRAM 0x20000000 0x00008000

    {

        ;

        ; Uncomment the following line in order to use IntRegister().

        ;

        ;* (vtable, +First)

        * (+RW, +ZI)

    }

} 

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

//

// Allows an application to perform in-place data decryption during download.

//

// If hooked, this function will be called on receipt of any new block of

// downloaded firmware image data.  The application must decrypt this data

// in place then return at which point the boot loader will write the data to

// flash.

//

// void MyDecryptionFunc(unsigned char *pucBuffer, unsigned long ulSize);

//

// where:

//

// - pucBuffer points to the first byte of data to be decrypted.

// - ulSize indicates the number of bytes of data at pucBuffer.

//

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

//#define BL_DECRYPT_FN_HOOK      MyDecryptionFunc 

uint32_t

CheckForceUpdate(void)

{

#ifdef CHECK_CRC

    uint32_t ui32Retcode;

#endif

#ifdef BL_CHECK_UPDATE_FN_HOOK

    //

    // If the update check function is hooked, call the application to determine

    // how to proceed.

    //

    return(BL_CHECK_UPDATE_FN_HOOK());

#else

    uint32_t *pui32App;

#ifdef ENABLE_UPDATE_CHECK

    g_ui32Forced = 0;

#endif

    //

    // See if the first location is 0xfffffffff or something that does not

    // look like a stack pointer, or if the second location is 0xffffffff or

    // something that does not look like a reset vector.

    //

    pui32App = (uint32_t *)APP_START_ADDRESS;

    if((pui32App[0] == 0xffffffff) ||

       ((pui32App[0] & 0xfff00000) != 0x20000000) ||

       (pui32App[1] == 0xffffffff) ||

       ((pui32App[1] & 0xfff00001) != 0x00000001))

    {

        return(1);

    }

...

} 

5 Device Support

Texas Instruments (TI) offers an extensive line of development tools for the C28x™ generation of DSPs,

including tools to evaluate the performance of the processors, generate code, develop algorithm

implementations, and fully integrate and debug software and hardware modules.

The following products support development of 280x-based applications:

Software Development Tools

• Code Composer Studio™ Integrated Development Environment (IDE)

– C/C++ Compiler

– Code generation tools

– Assembler/Linker

– Cycle Accurate Simulator

• Application algorithms

• Sample applications code

Hardware Development Tools

• 2808 eZdsp™

• Evaluation modules

• JTAG-based emulators - SPI515, XDS510PP, XDS510PP Plus, XDS510USB

• Universal 5-V dc power supply

• Documentation and cables 

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; use ieee.std_logic_arith.all; use ieee.numeric_std.all; entity led_top is Port ( p_clk_50Mhz : in std_logic; p_button : in std_logic_vector( 1 downto 0 ); p_led_out : out std_logic ); end led_top; architecture Behavioral of led_top is signal s_reset : std_logic; signal s_clk_50Mhz_cnt : std_logic_vector( 15 downto 0 ); signal s_clk_1Khz : std_logic := '0'; signal s_clk_1Khz_cnt : std_logic_vector( 15 downto 0 ); begin -- reset 신호 생성 s_reset <= not p_button(0); -- 분주 타이머 process( s_reset, p_clk_50Mhz ) is begin if rising_edge( p_clk_50Mhz ) then if s_reset = '1' then s_clk_50Mhz_cnt <= ( others => '0' ); else if s_clk_50Mhz_cnt = (50000-1) then s_clk_1Khz <= not s_clk_1Khz; s_clk_50Mhz_cnt <= ( others => '0' ); else s_clk_50Mhz_cnt <= s_clk_50Mhz_cnt + 1; end if; end if; end if; end process; process( s_reset, s_clk_1Khz ) is begin if rising_edge( s_clk_1Khz ) then if s_reset = '1' then s_clk_1Khz_cnt <= ( others => '0' ); else s_clk_1Khz_cnt <= s_clk_1Khz_cnt + 1; end if; end if; end process; p_led_out <= s_clk_1Khz_cnt(7);  

end Behavioral;