nscooling

bin = 'build\\tdd.bin'
disk = 'F:\\'
copy(bin, disk)
sleep(1.5)
serial = Serial('COM8', timeout = 1)
serial.flushInput()
serial.flushOutput()
serial.sendBreak()
while True:
  c = serial.readline()

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

int main(void)
{
  assert(sizeof(short)==2);

  unsigned short us = 0;
           short ss = SHRT_MIN;  // -32768

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

int main(void)
{
  assert(sizeof(short)==2);

  short ss = SHRT_MIN;
  int   si = ss;

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

#define MAGIC_NUMBER  0xFFFF7F8F

int main(void)
{
  assert(sizeof(short)==2);

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

int main(void)
{
  assert(sizeof(short)==2);

  unsigned short us = 0x8080;
  short ss = us;

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

int main(void)
{
  assert(sizeof(unsigned char)==1);

  unsigned char uc1 = 0xff;
  unsigned char uc2 = 0;

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>

int main(void)
{
  assert(sizeof(unsigned char)==1);

  unsigned char uc1 = 0xff;
  unsigned char uc2 = 0;

nscooling

#include <stdio.h>
#include <limits.h>
#include <assert.h>
#include <stdlib.h>

int main(void)
{
  assert(sizeof(int)==4);

  int intMin = INT_MIN;

nscooling

#include <stdio.h>

int main(void)
{
  unsigned int ui = 16;

  printf("%u * 16 = %u\n", ui, ui*16);
  printf("%u << 4 = %u\n", ui, ui << 4);
  return 0;
}

nscooling

#include <stdint.h>
#include "timer.h"

volatile uint32_t* const portd_moder   = (uint32_t*) 0x40020C00;
volatile uint32_t* const portd_odr     = (uint32_t*) 0x40020C14;

volatile uint32_t* const rcc_ahb1enr   = (uint32_t*) 0x40023830;

extern void sleep(uint32_t ms); // use systick to busy-wait