// Program - FongPwmBlinky
// Description - Testing LPC1114FN28/102 Pwm Blinky
// Author - TL Fong <fongmcu.blogspot.hk> <tlfong01hongkong@google.com>
// Build - 2013.08.10.01
// Date - 2013aug10hkt1049
// Hardware - NXP ARM Cortex M0 LPC1114FN28/102, LPC1114/11U14 FBD48/301/302,
// Somy, DingSung, FongToy LPC1114 Evaluation Board
// IDE - MDK-Lite/uVision 4.71, CoLinkEx 1.1, Flash Magic v7.51
// ***********************************************************************
#include <stdio.h>
#include "lpc11xx.h"
// # fongportpin01.h #
// ***********************************************************************
// GPIO port/pin number definition and declaration
// ***********************************************************************
// *** Port and pin numbers ***
typedef const int portNumber;
portNumber Port0 = 0;
portNumber Port1 = 1;
portNumber Port2 = 2;
portNumber Port3 = 3;
portNumber Port4 = 4;
typedef const int pinNumber;
pinNumber Pin0 = 0;
pinNumber Pin1 = 1;
pinNumber Pin2 = 2;
pinNumber Pin3 = 3;
pinNumber Pin4 = 4;
pinNumber Pin5 = 5;
pinNumber Pin6 = 6;
pinNumber Pin7 = 7;
pinNumber Pin8 = 8;
pinNumber Pin9 = 9;
pinNumber Pin10 = 10;
pinNumber Pin11 = 11;
typedef const int ledNumber;
ledNumber Led1 = 1; // caution!!! LED #1 denotes element #0 in port/pin array array !!!
ledNumber Led2 = 2;
ledNumber Led3 = 3;
ledNumber Led4 = 4;
ledNumber Led5 = 5;
ledNumber Led6 = 6;
typedef const int keyNumber;
typedef int keyPortArrayArrayIndex;
keyNumber Key1 = 1;
keyNumber Key2 = 2;
keyNumber Key3 = 3;
keyNumber Key4 = 4;
keyNumber Key5 = 5;
// fongconfig01.h
// ***********************************************************************
// Fong Board and Xia Board configuration - last update 2013aug03
// ***********************************************************************
// *** Led and key port pin array array ***
typedef int ledPortPinArrayArray[6][2]; // maximum 6 LEDs, each with unique port/pin
typedef int keyPortPinArrayArray[5][2]; // maximum 5 keys, each with unique port/pin
typedef int portPinArrayArrayIndex;
portPinArrayArrayIndex PortIndex = 0; // index of port
portPinArrayArrayIndex PinIndex = 1; // index of pin
// * Fong Board has 3 LEDs and 2 keys *
int MaxFongLedNumber = 3;
int MaxFongKeyNumber = 2;
ledPortPinArrayArray FongLedPortPinArrayArray = {{Port1, Pin8}, {Port0, Pin2}, {Port0, Pin8}};
keyPortPinArrayArray FongKeyPortPinArrayArray = {{Port1, Pin9}, {Port0, Pin3}};
// * Xia Board has 5 LEDs (1_8, 2_7, 2_8, 2_5, 0_8 (PWM) and 5 keys *
ledPortPinArrayArray XiaLedPortPinArrayArray = {{Port1, Pin8}, {Port2, Pin7}, {Port2, Pin8}, {Port2, Pin5}, {Port0, Pin8}};
int MaxXiaLedNumber = 5;
keyPortPinArrayArray XiaKeyPortPinArrayArray = {{Port0, Pin2},{Port0, Pin3}, {Port3, Pin4}, {Port1, Pin9}, {Port1, Pin4}};
int MaxXiaKeyNumber = 5;
// *** Mpu Board Struct ***
typedef struct
{
ledPortPinArrayArray ledPortPinArrayArray[5][2];
keyPortPinArrayArray keyPortPinArrayArray[5][2];
} mcuBoardStruct;
// * Fong Board Struct *
mcuBoardStruct FongBoardStruct = {{{Port1, Pin8}, {Port0, Pin2}, {Port0, Pin8}},
{{Port1, Pin9}, {Port0, Pin3}}};
mcuBoardStruct *FongBoard = &FongBoardStruct;
// * Xia Board Struct *
mcuBoardStruct XiaBoardStruct = {{{Port1, Pin8},{Port2, Pin7}, {Port2, Pin8}, {Port2, Pin5}, {Port0, Pin8}},
{{Port0, Pin2},{Port0, Pin3}, {Port3, Pin4}, {Port1, Pin9}, {Port1, Pin4}}};
mcuBoardStruct *XiaBoard = &XiaBoardStruct;
// # fongdelayloop01.h #
// ***********************************************************************
// Delay functions and count constants
// ***********************************************************************
// *** delay using looping ***
void delayTenthSecond(int count)
{
int i, j, k;
for (i = 0; i < count; i++)
{
for (j = 0; j < 0x04; j++)
{
for (k = 0; k < 0x000BB00; k++)
{
}
}
}
}
// *** delay using Systick ***
static volatile uint32_t TimeTick = 0;
void SysTick_Handler(void)
{
TimeTick++;
}
typedef int tenthSecond;
/*
tenthSecond OnHalfSecond = 5;
tenthSecond OnOneSecond = 10;
tenthSecond OffHalfSecond = 5;
tenthSecond OffOneSecond = 10;
tenthSecond FourSeconds = 40;
*/
void delayMilliSecond(uint32_t mS)
{
SysTick->LOAD = (((24000)*mS)-1);
SysTick->VAL = 0;
SysTick->CTRL |= ((1<<1)|(1<<0));
while(!TimeTick)
{
};
TimeTick = 0;
SysTick->CTRL =0;
}
// *** Timer constants ***
typedef int milliSecond;
milliSecond OnQuarterSecond = 250;
milliSecond OnHalfSecond = 500;
milliSecond OffQuarterSecond = 250;
milliSecond OffHalfSecond = 500;
milliSecond OffOneSecond = 1000;
// *** Loop constants ***
typedef int repeatCount;
repeatCount OneTime = 1;
repeatCount TwoTimes = 2;
repeatCount ThreeTimes = 3;
repeatCount FourTimes = 4;
repeatCount FiveTimes = 5;
repeatCount SixTimes = 6;
repeatCount EightTimes = 8;
repeatCount TenTimes = 10;
repeatCount TwentyTimes = 20;
// # fonggpio01.h #
// ***********************************************************************
// GPIO port/pin set input/output and read/write data functions
// ***********************************************************************
// * typedefs and #defines *
typedef int directionValue;
directionValue InputDirection = 0;
directionValue OutputDirection = 1;
typedef int logicLevelValue;
logicLevelValue LogicLevelLow = 0;
logicLevelValue LogicLevelHigh = 1;
#define LOW 0
#define HIGH 1
// * GPIO port/pin control/data structure pointers array *
// # LPC11xx has 4 control/data structures to handle 4 GPIO ports.
// # The pointers of the 4 structures are stored in a 4 element array.
typedef LPC_GPIO_TypeDef *gpioStructPointerArray[4];
gpioStructPointerArray GpioStructPointerArray = {LPC_GPIO0, LPC_GPIO1, LPC_GPIO2, LPC_GPIO3};
// ***********************************************************************
// Name - getGpioStructPointer
// Input - port number
// Output - GPIO control/data structure pointer
// ***********************************************************************
LPC_GPIO_TypeDef *getGpioStructPointer(int portNumber)
{
LPC_GPIO_TypeDef *gpioStructPointer;
gpioStructPointer = GpioStructPointerArray[portNumber];
return gpioStructPointer;
}
// ***********************************************************************
// Name - setGpioDirectionRegisterBitInput
// Input - port control structure, pin number
// Output - set pin as input
// ***********************************************************************
void setGpioDirectionRegisterBitInput(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DIR &= ~(1 << bitNumber);
}
// ***********************************************************************
// Name - setGpioDirectionRegisterBitOutput
// Input - port control structure, pin number
// Output - set pin as output
// ***********************************************************************
void setGpioDirectionRegisterBitOutput(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DIR |= (1 << bitNumber);
}
void setGpioDataRegisterBitLow(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DATA &= ~(1 << bitNumber);
}
void setGpioDataRegisterBitHigh(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DATA |= (1 << bitNumber);
}
void setPortPinDirection(LPC_GPIO_TypeDef *gpio_struct_ptr, int pinNumber, directionValue directionValue)
{
if (directionValue == InputDirection)
setGpioDirectionRegisterBitInput(gpio_struct_ptr, pinNumber);
else
setGpioDirectionRegisterBitOutput(gpio_struct_ptr, pinNumber);
}
void setPortPinData(LPC_GPIO_TypeDef *gpio_struct_ptr, int pinNumber, logicLevelValue logicLevelValue)
{
if (logicLevelValue == LogicLevelLow)
setGpioDataRegisterBitLow(gpio_struct_ptr, pinNumber);
else
setGpioDataRegisterBitHigh(gpio_struct_ptr, pinNumber);
}
// # fongled01.h
// ***********************************************************************
// LED functions
// ***********************************************************************
portNumber getLedPortNumber01(ledNumber ledNumber, ledPortPinArrayArray ledPortPinArrayArray)
{
int portNumber;
portNumber = ledPortPinArrayArray [ledNumber - 1][PortIndex];
return portNumber;
}
pinNumber getLedPinNumber01(ledNumber ledNumber, ledPortPinArrayArray ledPortPinArrayArray)
{
int ledPinNumber;
ledPinNumber = ledPortPinArrayArray [ledNumber - 1][PinIndex];
return ledPinNumber;
}
portNumber getLedPortNumber02(ledNumber ledNumber, mcuBoardStruct *mcuBoardPtr)
{
int portNumber;
portNumber = (int)(mcuBoardPtr->ledPortPinArrayArray [ledNumber - 1][PortIndex]);
return portNumber;
}
pinNumber getLedPinNumber02(ledNumber ledNumber, mcuBoardStruct *mcuBoardPtr)
{
int ledPinNumber;
ledPinNumber = (int)(mcuBoardPtr->ledPortPinArrayArray [ledNumber - 1][PinIndex]);
return ledPinNumber;
}
void initializeLedPortPin01(ledNumber ledNumber, ledPortPinArrayArray ledPortPinArrayArray)
{
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getLedPortNumber01(ledNumber, ledPortPinArrayArray);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getLedPinNumber01(ledNumber, ledPortPinArrayArray);
setPortPinDirection(gpio_struct_ptr, pinNumber, OutputDirection);
}
void initializeAllLeds01(ledPortPinArrayArray ledPortPinArrayArray, int maxLedNumber)
{
int ledNumber;
for (ledNumber = 1; ledNumber < (maxLedNumber + 1); ledNumber++) // Caution!!! ledNumber starts 1, not 0 !!!
{
initializeLedPortPin01(ledNumber, ledPortPinArrayArray);
}
}
void initializeAllLeds02(ledPortPinArrayArray ledPortPinArrayArray, int maxLedNumber)
{
int ledNumber;
for (ledNumber = 1; ledNumber < (maxLedNumber + 1); ledNumber++) // Caution!!! ledNumber starts 1, not 0 !!!
{
initializeLedPortPin01(ledNumber, ledPortPinArrayArray);
}
}
// ***********************************************************************
// Blinky functions
// ***********************************************************************
void blinky01(ledPortPinArrayArray ledPortPinArrayArray, ledNumber ledNumber, int onTime, int offTime, int blinkCount)
{
int count;
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getLedPortNumber01(ledNumber, ledPortPinArrayArray);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getLedPinNumber01(ledNumber, ledPortPinArrayArray);
delayMilliSecond(500);
for (count = 0; count < blinkCount; count++)
{
setPortPinData(gpio_struct_ptr, pinNumber, LogicLevelLow);
delayMilliSecond(onTime);
setPortPinData(gpio_struct_ptr, pinNumber, LogicLevelHigh);
delayMilliSecond(offTime);
}
}
void blinky02(mcuBoardStruct *mcuBoardPtr, ledNumber ledNumber, int onTime, int offTime, int blinkCount)
{
int count;
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getLedPortNumber02(ledNumber, mcuBoardPtr);
// portNumber = 1;
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getLedPinNumber02(ledNumber, mcuBoardPtr);
// pinNumber = 8;
for (count = 0; count < blinkCount; count++)
{
setPortPinData(gpio_struct_ptr, pinNumber, LogicLevelLow);
delayMilliSecond(onTime);
setPortPinData(gpio_struct_ptr, pinNumber, LogicLevelHigh);
delayMilliSecond(offTime);
}
}
void testFongBoardBlinky01(ledNumber ledNumber, repeatCount repeatCount)
{
blinky01(FongLedPortPinArrayArray, ledNumber, OnHalfSecond, OffOneSecond, repeatCount);
}
void testXiaBoardBlinky01(ledNumber ledNumber, repeatCount repeatCount)
{
blinky01(XiaLedPortPinArrayArray, ledNumber, OnHalfSecond, OffOneSecond, repeatCount);
}
void testXiaBoardBlinky02(ledNumber ledNumber, repeatCount repeatCount)
{
blinky01(XiaLedPortPinArrayArray, ledNumber, OnHalfSecond, OffOneSecond, repeatCount);
}
void testFongBoardBlinky02(ledNumber ledNumber, repeatCount repeatCount)
{
blinky02(FongBoard, ledNumber, OnHalfSecond, OffOneSecond, repeatCount);
}
// # fongkey01.h #
// ***********************************************************************
// Key functions
// ***********************************************************************
typedef logicLevelValue keyStatus;
keyStatus KeyPressed = LOW;
keyStatus KeyReleased = HIGH;
portNumber getKeyPortNumber01(keyNumber keyNumber, keyPortPinArrayArray keyPortPinArrayArray)
{
int portNumber;
portNumber = keyPortPinArrayArray [keyNumber - 1][PortIndex];
return portNumber;
}
pinNumber getKeyPinNumber01(keyNumber keyNumber, keyPortPinArrayArray keyPortPinArrayArray)
{
int keyPinNumber;
keyPinNumber = keyPortPinArrayArray [keyNumber - 1][PinIndex];
return keyPinNumber;
}
void initializeKeyPortPin01(keyNumber keyNumber, keyPortPinArrayArray keyPortPinArrayArray)
{
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getKeyPortNumber01(keyNumber, keyPortPinArrayArray);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getKeyPinNumber01(keyNumber, keyPortPinArrayArray);
setPortPinDirection(gpio_struct_ptr, pinNumber, InputDirection);
}
void initializeAllKeys01(keyPortPinArrayArray keyPortPinArrayArray, int maxKeyNumber)
{
int keyNumber;
for (keyNumber = 1; keyNumber < (maxKeyNumber + 1); keyNumber++)
{
initializeKeyPortPin01(keyNumber, keyPortPinArrayArray);
}
}
logicLevelValue getGpioDataRegisterBitValue(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitPosition)
{
logicLevelValue logicLevelValue;
int GpioDataRegisterMask = (1 << bitPosition);
if ((gpio_struct_ptr->DATA &= GpioDataRegisterMask) == GpioDataRegisterMask)
logicLevelValue = HIGH;
else
logicLevelValue = LOW;
// logicLevelValue = LOW; // ########## debug only !!!
// logicLevelValue = HIGH; // ########## debug only !!!
return logicLevelValue;
}
keyStatus getKeyStatus(keyPortPinArrayArray keyPortPinArrayArray, keyNumber keyNumber)
{
keyStatus keyStatus;
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getKeyPortNumber01(keyNumber, keyPortPinArrayArray);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getKeyPinNumber01(keyNumber, keyPortPinArrayArray);
keyStatus = getGpioDataRegisterBitValue(gpio_struct_ptr, pinNumber);
return keyStatus;
}
void echoKey(keyPortPinArrayArray keyPortPinArrayArray, keyNumber keyNumber, ledPortPinArrayArray ledPortPinArrayArray, ledNumber ledNumber, int echoCount)
{
int count;
keyStatus keyStatus;
for (count = 0; count < echoCount; count++)
{
delayMilliSecond(1000);
keyStatus = HIGH;
while (keyStatus == HIGH)
{
keyStatus = getKeyStatus(keyPortPinArrayArray, keyNumber);
if (keyStatus == LOW)
{
blinky01(ledPortPinArrayArray, ledNumber, OnQuarterSecond, OffQuarterSecond, TwoTimes);
delayMilliSecond(2000);
keyStatus = HIGH;
break;
}
}
}
}
void testFongBoardEchoKey01(keyNumber keyNumber, ledNumber ledNumber, repeatCount repeatCount)
{
echoKey(FongKeyPortPinArrayArray, keyNumber, FongLedPortPinArrayArray, ledNumber, repeatCount);
}
void testXiaBoardEchoKey01(keyNumber keyNumber, ledNumber ledNumber, repeatCount repeatCount)
{
echoKey(XiaKeyPortPinArrayArray, keyNumber, XiaLedPortPinArrayArray, ledNumber, repeatCount);
}
// # fongtimer01.h #
// ***********************************************************************
// Timer functions
// ***********************************************************************
typedef LPC_TMR_TypeDef *timerStructPointerArray[4];
timerStructPointerArray TimerStructPointerArray = {LPC_TMR16B0, LPC_TMR16B1, LPC_TMR32B0, LPC_TMR32B1};
typedef LPC_IOCON_TypeDef *lpcIoCon;
lpcIoCon LpcIoCon = LPC_IOCON;
// *** Timer config and enable functions ***
void setPinFunction()
{
LPC_IOCON ->PIO1_9 |= (1 << 0); // PIN1_9 = CT16B1_MAT0
}
// *** Timer enable bit array ***
int TimerEnableBitArray[4] = {7, 8, 9, 10}; // SYSAHBCLKCTRL timer enable bits
typedef const int timerNumber;
timerNumber Timer16Bit0 = 0;
timerNumber Timer16Bit1 = 1;
timerNumber Timer32Bit0 = 2;
timerNumber Timer32Bit1 = 3;
timerNumber Timer1 = Timer16Bit0;
timerNumber Timer2 = Timer16Bit1;
timerNumber Timer3 = Timer32Bit0;
timerNumber Timer4 = Timer32Bit1;
int const TimerNumberMax = 4;
LPC_TMR_TypeDef *getTimerStructPointer(int timerNumber)
{
LPC_TMR_TypeDef *timerStructPointer;
timerStructPointer = TimerStructPointerArray[timerNumber];
return timerStructPointer;
}
int getTimerEnableBit(int timerNumber)
{
int timerEnableBit;
timerEnableBit = TimerEnableBitArray[timerNumber];
return timerEnableBit;
}
void enableTimer(int timerNumber)
{
int timerEnableBit;
timerEnableBit = getTimerEnableBit(timerNumber);
LPC_SYSCON ->SYSAHBCLKCTRL |= (1 <<timerEnableBit);
}
void initializeAllTimers01()
{
enableTimer(Timer1);
enableTimer(Timer2);
enableTimer(Timer3);
enableTimer(Timer4);
}
// # fongpwm01.h *
// ***********************************************************************
// PWM Blinky
// ***********************************************************************
// # fonginit01.h #
// ***********************************************************************
// Initialization functions
// ***********************************************************************
void initializeFongBoard01()
{
initializeAllLeds01(FongLedPortPinArrayArray, MaxFongLedNumber);
initializeAllKeys01(FongKeyPortPinArrayArray, MaxFongKeyNumber);
initializeAllTimers01();
}
void initializeXiaBoard01()
{
initializeAllLeds01(XiaLedPortPinArrayArray, MaxXiaLedNumber);
initializeAllKeys01(XiaKeyPortPinArrayArray, MaxXiaKeyNumber);
initializeAllTimers01();
}
/*
void initializeXiaBoard02()
{
initializeAllLeds01(XiaLedPortPinArrayArray, MaxXiaLedNumber);
initializeAllKeys01(XiaKeyPortPinArrayArray, MaxXiaKeyNumber);
initializeAllTimers01();
}
*/
// # fongtest01.h #
// ***********************************************************************
// Test functions
// ***********************************************************************
// *** Fong Board Tests ***
void testFongBoard01()
{
initializeFongBoard01();
testFongBoardBlinky01(Led1, TwoTimes);
testFongBoardBlinky01(Led2, TwoTimes);
testFongBoardEchoKey01(Key1, Led1, TwoTimes);
testFongBoardEchoKey01(Key1, Led2, TwoTimes);
}
void testFongBoardDelayBlinky02()
{
initializeFongBoard01();
testFongBoardBlinky01(Led1, OneTime);
testFongBoardBlinky01(Led2, TwoTimes);
testFongBoardBlinky01(Led3, ThreeTimes);
}
// *** Xia Board Tests ***
// ***********************************************************************
// Program - PWM Blinky
// Description - Blink Somy Board LED PIO0_8 using PWM
// Build - 2013.08.08.02
// Date - 2013aug09hkt1259
// Author - TL Fong (fongmcu.blogspot.hk, tlfong01hongkong@google.com)
// Hardware - NXP ARM Cortex M0 LPC1114FBD48/302
// IDE - MDK-Lite/uVision 4.71, CoLinkEx 1.1, Flash Magic v7.51
// References -
// 1. UM10398 LPC111x/LPC11Cxx User manual R12 2012sep24
// 2. LPC11xx.h CMSIS Cortex-M0 Core Peripheral Access Layer Header File
// for NXP LPC11xx/LPC11Cxx V1.10 2010nov24
// Notes -
// 1. PWM pin configuration
// PIO0_8/MISO0/CT16B0_MAT0 = Somy LPC1114 Eval Board P4 Pin 3
// ***********************************************************************
void testXiaBoardPwmBlinky03()
{
// Enable System AHB clock for CT16B0 timer (Table 21 bit 7 CT16B0)
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 7); // CT16B0 = 1 enables CT16B0
// Set function of PIO0_8 pin (UM10398 Table 79 bits 2:0 FUNC)
LPC_IOCON->PIO0_8 &= ~0x7; // FUNC = 0x2 selects function
LPC_IOCON->PIO0_8 |= 0x2; // CT16B0_MAT0
// Set PWM mode for CT16B0_MAT0,3 (Table 293 bit 0 PWMEN0, bit3 PWMEN3)
LPC_TMR16B0->PWMC |= 0x9; // PWMENO, PWMEN3 = 1 enables MR0, MR3
// Set External Match Register (Tables 290, 291)
LPC_TMR16B0->EMR = (0x3 | 0x1); // bits 4, 5 = 11 toggle, bit 0 = 1 ?
// Resets timer counter on a match (Table 286 bit 10 MR3R)
LPC_TMR16B0->MCR |= 0x400; // MR3R = 1 resets counter on MR3 match
// Set prescale 12000 count of AHB clock = 240 uS (Table 279 TMR16B0PR)
LPC_TMR16B0->PR = 12000; // (1/(50,000,000/2) x 12000 = 240 uS
// Set cycle length (Table 279 TMR16B0MR3, Figure 68)
LPC_TMR16B0->MR3 = 4000; // 240uS x 4000 = 0.96 == 1 second
// Set duty cycle (Table 279 TMR16B0MR0, Figure 68)
LPC_TMR16B0->MR0 = 2000; // 240uS x 2000 == 0.5 second (50% duty cycle)
// Start timer (Table 279 TMR16B0CTCR bit0 CEn)
LPC_TMR16B0->TCR |= 0x1; // CEn = 1 enables timer
while (1)
{
// loop forever
}
}
void testXiaBoardPwmBlinky04()
{
/* Enable the clock for CT16B0 */
LPC_SYSCON->SYSAHBCLKCTRL |= 0x00000080;
/* Configure PIO0.8 as Timer1_16 MAT0 Output */
LPC_IOCON->PIO0_8 &= ~0x00000007;
LPC_IOCON->PIO0_8 |= 0x00000002;
// Set prescale 12000 count of AHB clock = 240 uS (Table 279 TMR16B0PR)
LPC_TMR16B0->PR = 12000; // (1/(50,000,000/2) x 12000 = 240 uS
// Set cycle length (Table 279 TMR16B0MR3, Figure 68)
LPC_TMR16B0->MR3 = 4000; // 240uS x 4000 = 0.96 == 1 second
// Set duty cycle (Table 279 TMR16B0MR0, Figure 68)
LPC_TMR16B0->MR0 = 2000; // 240uS x 2000 == 0.5 second (50% duty cycle)
/* Configure match control register to reset on MR3 */
LPC_TMR16B0->MCR = 0x00000400;
/* External Match Register Settings for PWM */
LPC_TMR16B0->EMR = 0x00000030 | 0x00000001;
/* Enable PWM0 and PWM3 */
LPC_TMR16B0->PWMC = 0x00000001 | 0x00000008;
/* Enable Timer1 */
LPC_TMR16B0->TCR = 0x00000001;
while (1)
{
// loop forever
}
}
void testXiaBoardPwmBlinky05()
{
LPC_TMR32B0 -> TCR = 0x0; // disable timer TMR32B0
LPC_SYSCON -> SYSAHBCLKCTRL|= (1<<9); // enable clock for timer
LPC_TMR32B0->TCR = 0x02; // reset timer
LPC_IOCON->PIO0_8 &= ~0x00000007; // set PIO0_8 as MA0
LPC_IOCON->PIO0_8 |= 0x00000002;
LPC_TMR32B0->MR0 =500; // MR0 50% duty cycle
LPC_TMR32B0->PWMC =0x09; // enable MA0, MA3
LPC_TMR32B0->PR = 0; // set prescale to 0
LPC_TMR32B0->MR3 =1000; // set period to 20us
LPC_TMR32B0->MCR = (1 << 10); // set rest TC on MR3 match
LPC_TMR32B0->TCR = 0x01; // enable timer
while (1)
{
// loop forever
}
}
void testXiaBoardPwmBlinky06()
{
// Enable System AHB clock for CT16B0 timer (Table 21 bit 7 CT16B0)
LPC_SYSCON->SYSAHBCLKCTRL |= 0x80; // CT16B0 = 1 enables CT16B0
// Set function of PIO0_8 pin (UM10398 Table 79 bits 2:0 FUNC)
LPC_IOCON->PIO0_8 &= ~0x7; // FUNC = 0x2 selects function
LPC_IOCON->PIO0_8 |= 0x2; // CT16B0_MAT0
// Set PWM mode for CT16B0_MAT0,3 (Table 293 bit 0 PWMEN0, bit3 PWMEN3)
LPC_TMR16B0->PWMC |= 0x9; // PWMENO, PWMEN3 = 1 enables MR0, MR3
// Set External Match Register (Tables 290, 291)
LPC_TMR16B0->EMR = 0x31; // bits 4, 5 = 11 toggle, bit 0 = 1 ?
// Resets timer counter on a match (Table 286 bit 10 MR3R)
LPC_TMR16B0->MCR |= 0x400; // MR3R = 1 resets counter on MR3 match
// Set prescale 12000 count of AHB clock = 240 uS (Table 279 TMR16B0PR)
LPC_TMR16B0->PR = 12000; // (1/(50,000,000/2) x 12000 = 240 uS
// Set cycle length (Table 279 TMR16B0MR3, Figure 68)
LPC_TMR16B0->MR3 = 4000; // 240uS x 4000 = 0.96 == 1 second
// Set duty cycle (Table 279 TMR16B0MR0, Figure 68)
LPC_TMR16B0->MR0 = 2000; // 240uS x 2000 == 0.5 second (50% duty cycle)
// Start timer (Table 279 TMR16B0CTCR bit0 CEn)
LPC_TMR16B0->TCR |= 0x1; // CEn = 1 enables timer
while (1)
{
// loop forever
}
}
// *** microbuilder defines ***
// LPC1114 Code Base - A software library for the Cortex-M3 based LPC1100 family
// http://www.microbuilder.eu/Projects/LPC1114ReferenceDesign/LPC1114CodeBase.aspx
// https://github.com/microbuilder/LPC1114CodeBase
// http://www.microbuilder.eu/Projects/LPC1114ReferenceDesign/CodeBaseDocumentation.aspx
// typedef volatile uint8_t REG8;
// typedef volatile uint16_t REG16;
// typedef volatile uint32_t REG32;
// typedef unsigned char byte_t;
// #define pREG8 (REG8 *)
// #define pREG16 (REG16 *)
// #define pREG32 (REG32 *)
// #define SCB_SYSAHBCLKCTRL (*(pREG32 (0x40048080))) // System AHB clock control
// #define IOCON_PIO1_9 (*(pREG32 (0x40044038)))
// #define TMR_TMR16B1MR3 (*(pREG32 (0x40010024))) // Match register 3
// #define TMR_TMR16B1MR0 (*(pREG32 (0x40010018))) // Match register 0
// #define TMR_TMR16B1MCR (*(pREG32 (0x40010014)))
// #define TMR_TMR16B1EMR (*(pREG32 (0x4001003C)))
// #define TMR_TMR16B1PWMC (*(pREG32 (0x40010074)))
// #define TMR_TMR16B1TCR (*(pREG32 (0x40010004)))
// #define IOCON_PIO1_8 (*(pREG32 (0x40044014)))
// #define IOCON_PIO1_8_FUNC_MASK ((unsigned int) 0x00000007)
// #define IOCON_PIO1_8_FUNC_GPIO ((unsigned int) 0x00000000)
// #define IOCON_PIO1_8_FUNC_CT16B1_CAP0 ((unsigned int) 0x00000001)
// #define IOCON_PIO1_8_MODE_MASK ((unsigned int) 0x00000018)
// #define IOCON_PIO1_8_MODE_INACTIVE ((unsigned int) 0x00000000)
// #define IOCON_PIO1_8_MODE_PULLDOWN ((unsigned int) 0x00000008)
// #define IOCON_PIO1_8_MODE_PULLUP ((unsigned int) 0x00000010)
// #define IOCON_PIO1_8_MODE_REPEATER ((unsigned int) 0x00000018)
// #define IOCON_PIO1_8_HYS_MASK ((unsigned int) 0x00000020)
// #define IOCON_PIO1_8_HYS_DISABLE ((unsigned int) 0x00000000)
// #define IOCON_PIO1_8_HYS_ENABLE ((unsigned int) 0x00000020)
// #define IOCON_PIO1_9 (*(pREG32 (0x40044038)))
// #define IOCON_PIO1_9_FUNC_MASK ((unsigned int) 0x00000007)
// #define IOCON_PIO1_9_FUNC_GPIO ((unsigned int) 0x00000000)
// #define IOCON_PIO1_9_FUNC_CT16B1_MAT0 ((unsigned int) 0x00000001)
// #define IOCON_PIO1_9_FUNC_MOSI1 ((unsigned int) 0x00000002) // LPC1100XL
// #define IOCON_PIO1_9_MODE_MASK ((unsigned int) 0x00000018)
// #define IOCON_PIO1_9_MODE_INACTIVE ((unsigned int) 0x00000000)
// #define IOCON_PIO1_9_MODE_PULLDOWN ((unsigned int) 0x00000008)
// #define IOCON_PIO1_9_MODE_PULLUP ((unsigned int) 0x00000010)
// #define IOCON_PIO1_9_MODE_REPEATER ((unsigned int) 0x00000018)
// #define IOCON_PIO1_9_HYS_MASK ((unsigned int) 0x00000020)
// #define IOCON_PIO1_9_HYS_DISABLE ((unsigned int) 0x00000000)
// #define IOCON_PIO1_9_HYS_ENABLE ((unsigned int) 0x00000020)
#define SCB_SYSAHBCLKCTRL LPC_SYSCON->SYSAHBCLKCTRL
#define IOCON_PIO1_9 LPC_IOCON->PIO1_9
#define IOCON_PIO0_8 LPC_IOCON->PIO0_8
#define TMR_TMR16B0MR3 LPC_TMR16B0->MR3
#define TMR_TMR16B0MR0 LPC_TMR16B0->MR0
#define TMR_TMR16B0MCR LPC_TMR16B0->MCR
#define TMR_TMR16B0EMR LPC_TMR16B0->EMR
#define TMR_TMR16B0PWMC LPC_TMR16B0->PWMC
#define TMR_TMR16B0TCR LPC_TMR16B0->TCR
#define SCB_SYSAHBCLKCTRL_CT16B1 ((unsigned int) 0x00000100) // Enables clock for 16-bit counter/timer 1
#define SCB_SYSAHBCLKCTRL_CT16B0 ((unsigned int) 0x00000080) // Enables clock for 16-bit counter/timer 0
#define IOCON_PIO1_9_FUNC_MASK ((unsigned int) 0x00000007)
#define IOCON_PIO1_9_FUNC_CT16B1_MAT0 ((unsigned int) 0x00000001)
#define IOCON_PIO0_8_FUNC_CT16B0_MAT0 ((unsigned int) 0x00000002)
#define IOCON_PIO0_8_FUNC_MASK ((unsigned int) 0x00000007)
#define TMR_TMR16B1MCR_MR3_RESET_ENABLED ((unsigned int) 0x00000400)
#define TMR_TMR16B1EMR_EMC0_TOGGLE ((unsigned int) 0x00000030)
#define TMR_TMR16B1EMR_EM0 ((unsigned int) 0x00000001)
#define TMR_TMR16B1PWMC_PWM0_ENABLED ((unsigned int) 0x00000001) // PWM mode is enabled for CT16Bn_MAT0
#define TMR_TMR16B1PWMC_PWM3_ENABLED ((unsigned int) 0x00000008)
#define TMR_TMR16B1TCR_COUNTERENABLE_ENABLED ((unsigned int) 0x00000001)
#define TMR_TMR16B1MCR_MR3_RESET_ENABLED ((unsigned int) 0x00000400)
#define TIMER16_CCLK_xMS 100000
void testXiaBoardPwmBlinky07()
{
/* Enable the clock for CT16B1 */
/* Enable the clock for CT16B0 */
// SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT16B1);
SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT16B0);
/* Configure PIO1.9 as Timer1_16 MAT0 Output */
// IOCON_PIO1_9 &= ~IOCON_PIO1_9_FUNC_MASK;
// IOCON_PIO1_9 |= IOCON_PIO1_9_FUNC_CT16B1_MAT0;
IOCON_PIO0_8 &= ~IOCON_PIO0_8_FUNC_MASK;
IOCON_PIO0_8 |= IOCON_PIO0_8_FUNC_CT16B0_MAT0;
/* Set period (MR3) to 2ms */
TMR_TMR16B0MR3 = TIMER16_CCLK_xMS * 2;
/* Set Duty Cycle (MR0) to 50% */
TMR_TMR16B0MR0 = TIMER16_CCLK_xMS * 1;
/* Configure match control register to reset on MR3 */
TMR_TMR16B0MCR = (TMR_TMR16B1MCR_MR3_RESET_ENABLED);
/* External Match Register Settings for PWM */
TMR_TMR16B0EMR = TMR_TMR16B1EMR_EMC0_TOGGLE | TMR_TMR16B1EMR_EM0;
/* Enable PWM0 and PWM3 */
TMR_TMR16B0PWMC = TMR_TMR16B1PWMC_PWM0_ENABLED | TMR_TMR16B1PWMC_PWM3_ENABLED;
/* Enable Timer1 */
TMR_TMR16B0TCR = TMR_TMR16B1TCR_COUNTERENABLE_ENABLED;
while (1)
{
// loop forever
}
}
void testXiaBoardPwmBlinky08()
{
/* Enable the clock for CT16B0 */
LPC_SYSCON->SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT16B0);
/* Configure PIO0.8 as Timer1_16 MAT0 Output */
LPC_IOCON -> PIO0_8 &= ~IOCON_PIO0_8_FUNC_MASK;
LPC_IOCON -> PIO0_8 |= IOCON_PIO0_8_FUNC_CT16B0_MAT0;
/* Set period (MR3) to 2ms */
LPC_TMR16B0 -> MR3 = TIMER16_CCLK_xMS * 2;
/* Set Duty Cycle (MR0) to 50% */
LPC_TMR16B0 -> MR0 = TIMER16_CCLK_xMS * 1;
/* Configure match control register to reset on MR3 */
LPC_TMR16B0 -> MCR = (TMR_TMR16B1MCR_MR3_RESET_ENABLED);
/* External Match Register Settings for PWM */
LPC_TMR16B0 -> EMR = TMR_TMR16B1EMR_EMC0_TOGGLE | TMR_TMR16B1EMR_EM0;
/* Enable PWM0 and PWM3 */
LPC_TMR16B0 -> PWMC = TMR_TMR16B1PWMC_PWM0_ENABLED | TMR_TMR16B1PWMC_PWM3_ENABLED;
/* Enable Timer1 */
LPC_TMR16B0 -> TCR = TMR_TMR16B1TCR_COUNTERENABLE_ENABLED;
while (1)
{
// loop forever
}
}
void testXiaBoardDelayBlinky02()
{
testXiaBoardBlinky01(Led1, OneTime);
testXiaBoardBlinky01(Led2, OneTime);
testXiaBoardBlinky01(Led3, OneTime);
testXiaBoardBlinky01(Led4, OneTime);
testXiaBoardBlinky01(Led5, OneTime);
}
void testXiaBoardPwmBlinky()
{
initializeXiaBoard01();
testXiaBoardDelayBlinky02(); // delay blink
testXiaBoardPwmBlinky08(); // pwm blink
}
// ***********************************************************************
// Main Function
// ***********************************************************************
int main()
{
testXiaBoardPwmBlinky();
}
// ***********************************************************************
// End of Program
// ***********************************************************************
// .END
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