testTimerBlinkLed061();
testPwmBlinkLed061();
.END
// ***********************************************************************
// Program - FongPwmBlinky
// Description - Testing LPC1114FN28/102 Pwm Blinky
// Author - TL Fong <fongmcu.blogspot.hk> <tlfong01hongkong@google.com>
// Build - 2013.08.14.02
// Date - 2013aug14hkt1037
// Hardware - NXP ARM Cortex M0 LPC1114FN28/102, LPC1114FBD48/302
// 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"
// *** fongconfig01.h ***
// ***********************************************************************
// GPIO port, pin, device, led, key, pwm numbering
// ***********************************************************************
// *** 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;
// *** Device numbers ***
typedef const int deviceNumber;
deviceNumber Device1 = 1;
deviceNumber Device2 = 2;
deviceNumber Device3 = 3;
deviceNumber Device4 = 4;
deviceNumber Device5 = 5;
deviceNumber Device6 = 6;
deviceNumber Led1 = Device1;
deviceNumber Led2 = Device2;
deviceNumber Led3 = Device3;
deviceNumber Led4 = Device4;
deviceNumber Led5 = Device5;
deviceNumber Key1 = Device1;
deviceNumber Key2 = Device2;
deviceNumber Key3 = Device3;
deviceNumber Key4 = Device4;
deviceNumber Key5 = Device5;
deviceNumber Pwm1 = Device1;
deviceNumber Pwm2 = Device2;
deviceNumber Pwm3 = Device3;
deviceNumber Pwm4 = Device4;
deviceNumber Pwm5 = Device5;
// ***********************************************************************
// *** portPinArray - array of 2 integers: portNumber, pinNumber ***
const int PortPinArraySize = 2;
typedef int portPinArray[PortPinArraySize];
const int MaxBoardDeviceNumber = 5;
const int MaxFongBoardLedNumber = 5;
const int MaxFongBoardKeyNumber = 3;
const int MaxFongBoardPwmNumber = 5;
typedef int portPinArrayIndex;
portPinArrayIndex PortIndex = 0;
portPinArrayIndex PinIndex = 1;
// *** Led/Key/Pwm configuration ***
portPinArray FongLedPortPinArray1 = {Port0, Pin5};
portPinArray FongLedPortPinArray2 = {Port0, Pin6};
portPinArray FongLedPortPinArray3 = {Port0, Pin3};
portPinArray FongLedPortPinArray4 = {Port0, Pin4};
portPinArray FongLedPortPinArray5 = {Port0, Pin7};
portPinArray FongKeyPortPinArray1 = {Port1, Pin0};
portPinArray FongKeyPortPinArray2 = {Port1, Pin5};
portPinArray FongKeyPortPinArray3 = {Port1, Pin8};
portPinArray FongPwmPortPinArray1 = {Port0, Pin1};
portPinArray FongPwmPortPinArray2 = {Port1, Pin1};
portPinArray FongPwmPortPinArray3 = {Port1, Pin2};
portPinArray FongPwmPortPinArray4 = {Port1, Pin4};
portPinArray FongPwmPortPinArray5 = {Port1, Pin9};
// *** portPinArrayPointerArray - array of pointers to portPinArray ***
typedef portPinArray *portPinArrayPointerArray[MaxBoardDeviceNumber];
portPinArrayPointerArray FongLedPortPinArrayPointerArray[MaxFongBoardLedNumber] =
{
&FongLedPortPinArray1, &FongLedPortPinArray2, &FongLedPortPinArray3, &FongLedPortPinArray4, &FongLedPortPinArray5,
};
portPinArrayPointerArray FongKeyPortPinArrayPointerArray[MaxFongBoardKeyNumber] =
{
&FongKeyPortPinArray1, &FongKeyPortPinArray2, &FongKeyPortPinArray3
};
portPinArrayPointerArray FongPwmPortPinArrayPointerArray[MaxFongBoardPwmNumber] =
{
&FongPwmPortPinArray1, &FongPwmPortPinArray2, &FongPwmPortPinArray3, &FongPwmPortPinArray4, &FongPwmPortPinArray5
};
// *** Eval board structure ***
typedef struct
{
portPinArrayPointerArray *LedPortPinArrayPointerArray;
portPinArrayPointerArray *KeyPortPinArrayPointerArray;
portPinArrayPointerArray *PwmPortPinArrayPointerArray;
} mcuBoardStruct;
mcuBoardStruct *CreateFongBoardStruct()
{
mcuBoardStruct *FongBoardStruct;
FongBoardStruct->LedPortPinArrayPointerArray = FongKeyPortPinArrayPointerArray;
FongBoardStruct->KeyPortPinArrayPointerArray = FongKeyPortPinArrayPointerArray;
FongBoardStruct->PwmPortPinArrayPointerArray = FongKeyPortPinArrayPointerArray;
return FongBoardStruct;
}
// *** fongdelay01.h ***
// ***********************************************************************
// Delay functions and count constants
// ***********************************************************************
static volatile uint32_t TimeTick = 0;
void SysTick_Handler(void)
{
TimeTick++;
}
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;
}
// *** 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 basic 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
// ***********************************************************************
// Name - GpioStructPointerArray
// Description - Contains the 4 CMSIS port control structures
// ***********************************************************************
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);
}
// ***********************************************************************
// Name - setGpioDataRegisterBitLow
// Input - port control structure, pin number
// Output - set pin as output
// ***********************************************************************
void setGpioDataRegisterBitLow(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DATA &= ~(1 << bitNumber);
}
// ***********************************************************************
// Name - setGpioDataRegisterBitHigh
// Input - port control structure, pin number
// Output - set pin as output
// ***********************************************************************
void setGpioDataRegisterBitHigh(LPC_GPIO_TypeDef *gpio_struct_ptr, int bitNumber)
{
gpio_struct_ptr->DATA |= (1 << bitNumber);
}
// ***********************************************************************
// Name - setGpioDirectionRegister
// Input - port control structure, pin number, direction value
// Output - set pin as input or output
// ***********************************************************************
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);
}
// ***********************************************************************
// Name - setGpioDataRegister
// Input - port control structure, pin number, data value
// Output - none
// ***********************************************************************
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);
}
// ***********************************************************************
// Function - getGpioDataRegisterBitValue
// Input - GPIO structure pointer, bit position
// Output - port pin data bit
// ***********************************************************************
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;
return logicLevelValue;
}
// ***********************************************************************
// Name - get port number for portPinArray
// Input - port pin array
// Output - portNumber
// ***********************************************************************
portNumber getPortNumber061(portPinArray portPinArray)
{
int portNumber;
portNumber = portPinArray[PortIndex];
return portNumber;
}
// ***********************************************************************
// Name - get port number from portPinArrayPointerArray
// Input - portPinPointerArray, deviceNumber
// Output - portNumber
// ***********************************************************************
portNumber getPortNumber06(portPinArrayPointerArray portPinArrayPointerArray, deviceNumber deviceNumber)
{
int portNumber;
portNumber = getPortNumber061(*portPinArrayPointerArray[deviceNumber - 1]);
return portNumber;
}
// ***********************************************************************
// Name - get pin number for portPinArray
// Input - port pin array
// Output - pinNumber
// ***********************************************************************
pinNumber getPinNumber061(portPinArray portPinArray)
{
int pinNumber;
pinNumber = portPinArray[PinIndex];
return pinNumber;
}
// ***********************************************************************
// Name - get pin number from portPinArrayPointerArray and index
// Input - portPinPointerArray, index
// Output - pinNumber
// ***********************************************************************
pinNumber getPinNumber06(portPinArrayPointerArray portPinArrayPointerArray, deviceNumber deviceNumber)
{
int pinNumber;
pinNumber = getPinNumber061(*portPinArrayPointerArray[deviceNumber - 1]);
return pinNumber;
}
// *** fonggpio01.h ***
// ***********************************************************************
// LED functions
// ***********************************************************************
// ***********************************************************************
// Name - initialize LED port pin
// Input - portPinPointerArray, index
// Output - none
// ***********************************************************************
void initializeLedPortPin06(portPinArrayPointerArray portPinArrayPointerArray, deviceNumber ledNumber)
{
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getPortNumber06(portPinArrayPointerArray, ledNumber);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getPinNumber06(portPinArrayPointerArray, ledNumber);
setPortPinDirection(gpio_struct_ptr, pinNumber, OutputDirection);
}
// ***********************************************************************
// Function - initialize all LED port pins
// Input - ledPortPinPointerArray
// Output - none
// ***********************************************************************
void initializeAllLedPortPin06(portPinArrayPointerArray ledPortPinArrayPointerArray, int maxLedNumber)
{
int ledNumber;
for (ledNumber = 1; ledNumber < (maxLedNumber + 1); ledNumber++) // Caution!!! ledNumber starts 1, not 0 !!!
{
initializeLedPortPin06(ledPortPinArrayPointerArray, ledNumber);
}
}
// ***********************************************************************
// Blinky functions
// ***********************************************************************
void blinkLed06(portPinArrayPointerArray portPinArrayPointerArray, deviceNumber ledNumber, int onTime, int offTime, int blinkCount)
{
int count;
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getPortNumber06(portPinArrayPointerArray, ledNumber);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getPinNumber06(portPinArrayPointerArray, ledNumber);
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 testBlinkLed06(portPinArrayPointerArray portPinArrayPointerArray, int maxLedNumber, int onTime, int offTime, int blinkCount)
{
int i;
initializeAllLedPortPin06(portPinArrayPointerArray, maxLedNumber);
for (i = 1; i < maxLedNumber + 1; i++)
{
blinkLed06(portPinArrayPointerArray, i, onTime, offTime, blinkCount);
}
}
void testTimerBlinkLed061() // OK 2013aug14
{
testBlinkLed06(*FongLedPortPinArrayPointerArray, 5, 100, 200, 2);
}
void testBlinkLed062() // OK 2013aug13
{
portPinArrayPointerArray *fongLedPortPinArrayPointerArray;
fongLedPortPinArrayPointerArray = FongLedPortPinArrayPointerArray;
testBlinkLed06(*fongLedPortPinArrayPointerArray, 4, 100, 200, 3);
}
void testBlinkLed063() // !!! NOT WORKING !!! 2013aug13
{
portPinArrayPointerArray *fongLedPortPinArrayPointerArray;
mcuBoardStruct *FongBoardStruct;
FongBoardStruct->LedPortPinArrayPointerArray = FongLedPortPinArrayPointerArray;
FongBoardStruct->KeyPortPinArrayPointerArray = FongKeyPortPinArrayPointerArray;
FongBoardStruct->PwmPortPinArrayPointerArray = FongPwmPortPinArrayPointerArray;
fongLedPortPinArrayPointerArray = FongBoardStruct->LedPortPinArrayPointerArray;
testBlinkLed06(*fongLedPortPinArrayPointerArray, 4, 100, 200, 3);
}
// *** fongkey01.h ***
// ***********************************************************************
// Key functions
// ***********************************************************************
typedef logicLevelValue keyStatus;
keyStatus KeyPressed = LOW;
keyStatus KeyReleased = HIGH;
// ***********************************************************************
// Name - initialize key port pin
// Input - portPinPointerArray, index
// Output - none
// ***********************************************************************
void initializeKeyPortPin06(portPinArrayPointerArray portPinArrayPointerArray, deviceNumber keyNumber)
{
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getPortNumber06(portPinArrayPointerArray, keyNumber);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getPinNumber06(portPinArrayPointerArray, keyNumber);
setPortPinDirection(gpio_struct_ptr, pinNumber, OutputDirection);
}
// ***********************************************************************
// Function - initialize all key port pins
// Input - keyPortPinPointerArray
// Output - none
// ***********************************************************************
void initializeAllKeyPortPin06(portPinArrayPointerArray keyPortPinArrayPointerArray, int maxLedNumber)
{
int keyNumber;
for (keyNumber = 1; keyNumber < (maxLedNumber + 1); keyNumber++) // Caution!!! keyNumber starts 1, not 0 !!!
{
initializeLedPortPin06(keyPortPinArrayPointerArray, keyNumber);
}
}
// ***********************************************************************
// Function - getKeyStatus
// Input - keyPortPinArrayPointerArray, keyNumber
// Output - port pin data bit
// ***********************************************************************
keyStatus getKeyStatus(portPinArrayPointerArray keyPortPinArrayPointerArray, deviceNumber keyNumber)
{
keyStatus keyStatus;
int portNumber;
int pinNumber;
LPC_GPIO_TypeDef *gpio_struct_ptr;
portNumber = getPortNumber06(keyPortPinArrayPointerArray, keyNumber);
gpio_struct_ptr = getGpioStructPointer(portNumber);
pinNumber = getPinNumber06(keyPortPinArrayPointerArray, keyNumber);
keyStatus = getGpioDataRegisterBitValue(gpio_struct_ptr, pinNumber);
return keyStatus;
}
// ***********************************************************************
// Function - echo key by LED
// Input - keyPinPortArrayPointerArray, keyNumber, ledPinPortArrayPointerArray, ledNumber
// Output - none
// ***********************************************************************
void echoKey(portPinArrayPointerArray keyPortPinArrayPointerArray, deviceNumber keyNumber, portPinArrayPointerArray ledPortPinArrayPointerArray, deviceNumber ledNumber, int echoCount)
{
int count;
keyStatus keyStatus;
for (count = 0; count < echoCount; count++)
{
delayMilliSecond(1000);
keyStatus = HIGH;
while (keyStatus == HIGH)
{
keyStatus = getKeyStatus(keyPortPinArrayPointerArray, keyNumber);
if (keyStatus == LOW)
{
blinkLed06(ledPortPinArrayPointerArray, ledNumber, 100, 200, TwoTimes);
delayMilliSecond(2000);
keyStatus = HIGH;
break;
}
}
}
}
void testEchoKey06(deviceNumber keyNumber, deviceNumber ledNumber, repeatCount repeatCount)
{
echoKey(*FongKeyPortPinArrayPointerArray, keyNumber, *FongLedPortPinArrayPointerArray, ledNumber, repeatCount);
}
void testEchoKey061()
{
testEchoKey06(Key1, Led1, TwoTimes);
testEchoKey06(Key2, Led2, TwoTimes);
testEchoKey06(Key3, Led3, TwoTimes);
}
// *** fongtimer01.h ***
// ***********************************************************************
// Timer functions
// ***********************************************************************
// ***********************************************************************
// SysCon, IoCon, and Timer pointers
// ***********************************************************************
typedef LPC_SYSCON_TypeDef *lpcSysCon;
lpcSysCon LpcSysCon = LPC_SYSCON;
typedef LPC_IOCON_TypeDef *lpcIoCon;
lpcIoCon LpcIoCon = LPC_IOCON;
typedef LPC_TMR_TypeDef *timerStructPointerArray[4];
timerStructPointerArray TimerStructPointerArray = {LPC_TMR16B0, LPC_TMR16B1, LPC_TMR32B0, LPC_TMR32B1};
// *** Timer config and enable functions ***
// portPinArray FongPwmPortPinArray1 = {Port0, Pin1};
// portPinArray FongPwmPortPinArray2 = {Port1, Pin1};
// portPinArray FongPwmPortPinArray3 = {Port1, Pin2};
// portPinArray FongPwmPortPinArray4 = {Port1, Pin4};
// portPinArray FongPwmPortPinArray5 = {Port1, Pin9};
void testFongBoardPwmBlinkLed06() // PIO0_8 as CT16B0
{
// Enable System AHB clock for CT16B0 timer (Table 21 bit 7 CT16B0)
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 7); // CT16B0 = 1 enables CT16B0
// Enable System AHB clock for IOCON block (Table 21 bit 16 IOCON)
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 16); // IOCON = 1 enable clk for IOCON
// Set function of PIO0_8 pin (UM10398 Table 79 bits 2:0 FUNC)
LPC_IOCON->PIO0_8 &= ~0x7; // FUNC = 0x2 selects function of
LPC_IOCON->PIO0_8 |= 0x2; // CT16B0_MAT0
// Disable timer (Table 279 TMR16B0CTCR bit0 CEn)
LPC_TMR16B0->TCR |= 0x1; // CEn = 0 disables timer
// Set PWM mode for CT16B0_MAT0,3 (Table 293 bit 0 PWMEN0, bit3 PWMEN3)
LPC_TMR16B0->PWMC |= 0x9; // PWMENO & PWMEN3 = 1 enable MR0, MR3
// Set External Match Register (Tables 290, 291) // not sure about this
LPC_TMR16B0->EMR = (0x30 | 0x1); // bits 4, 5 = 11 toggle, bit 0 = 1
// Resets timer counter on MR3 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 testPwmBlinkLed061()
{
testFongBoardPwmBlinkLed06();
}
...
// ***********************************************************************
// Main Function
// ***********************************************************************
int main()
{
testTimerBlinkLed061();
// testEchoKey061();
testPwmBlinkLed061();
}
// ***********************************************************************
// End of Program
// ***********************************************************************
// .END
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