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Texas Instruments MSP430 User Manual

Texas Instruments MSP430
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// is used, then this definition should be removed to conserve RAM space.
#define TOTAL_NUMBER_OF_ELEMENTS 3
// If the RAM_FOR_FLASH definition is removed, then the appropriate HEAP size
// must be allocated. 2 bytes * MAXIMUM_NUMBER_OF_ELEMENTS_PER_SENSOR + 2 bytes
// of overhead.
#define RAM_FOR_FLASH
//****** Structure Array Definition ********************************************
// This defines the array size in the sensor strucure. In the event that
// RAM_FOR_FLASH is defined, then this also defines the amount of RAM space
// allocated (global variable) for computations.
#define MAXIMUM_NUMBER_OF_ELEMENTS_PER_SENSOR 3
//****** Choosing a Measurement Method ****************************************
// These variables are references to the definitions found in structure.c and
// must be generated per the application.
// possible values for the method field
// OSCILLATOR DEFINITIONS
//#define RO_COMPAp_TA0_WDTp 64
#define RO_PINOSC_TA0_WDTp 65
. . . .
structure.c
#include "structure.h"
// Middle Element (P2.5)
const struct Element middle_element = {
.inputPxselRegister = (unsigned char *)&P2SEL,
.inputPxsel2Register = (unsigned char *)&P2SEL2,
.inputBits = BIT5,
// When using an abstracted function to measure the element
// the 100*(maxResponse - threshold) < 0xFFFF
// ie maxResponse - threshold < 655
.maxResponse = (100 + 655),
.threshold = 100
};
// Up Element (P2.4)
const struct Element up_element = {
.inputPxselRegister = (unsigned char *)&P2SEL,
.inputPxsel2Register = (unsigned char *)&P2SEL2,
.inputBits = BIT4,
// When using an abstracted function to measure the element
// the 100*(maxResponse - threshold) < 0xFFFF
// ie maxResponse - threshold < 655
.maxResponse = (100 + 655),
.threshold = 100
};
// Down Element (P2.3)
const struct Element down_element =
{
.inputPxselRegister = (unsigned char *)&P2SEL,
.inputPxsel2Register = (unsigned char *)&P2SEL2,

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Texas Instruments MSP430 Specifications

General IconGeneral
BrandTexas Instruments
ModelMSP430
CategoryMicrocontrollers
LanguageEnglish

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