C programming for embedded system applications
c programming for embedded microcontroller experience with assembly language P. NelsonFall 2014 -ARM VersionELEC 3040/3050 embedded Systems Lab (V. P. Nelson)Outline Program organization and microcontroller memory Data types, constants, variables Microcontroller register/port addresses Operators: arithmetic, logical, shift Control structures: if, while, for Functions Interrupt routinesFall 2014 -ARM VersionELEC 3040/3050 embedded Systems Lab (V. P. Nelson)Basic C program structureFall 2014 -ARM VersionELEC 3040/3050 embedded Systems Lab (V. P. Nelson)#include " " /* I/O port/register names/addresses for the STM32L1xx microcontrollers *//* Global variables accessible by all functions */intcount, bob; //global (static) variables placed in RAM/* Function definitions*/intfunction1(char x) {//parameter x passed to the function, function returns an integer valueinti,j ;// local (automatic) variables allocated to stack or registers-- instructions to implement the function}/* Main program */void main(void) {unsigned char sw1; //local (automatic) variable (stack or registers)intk; //local (automatic) variable (stack or registers)/* Initialization section */-- instructions to initialize variables, I/O ports, devices, function registers/* Endless loop */while}
C programming for embedded microcontroller systems. Assumes experience with assembly language programming. V. P. Nelson Fall 2014 - ARM Version ELEC 3040/3050 Embedded Systems Lab (V. P. …
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