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Speed tweek

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1 parent 3dfdfd8 commit d0c1203e895e9488d5c5570c38f251fc3208ecc4 @microbuilder committed Mar 31, 2012
Showing with 2 additions and 31 deletions.
  1. +2 −31 tools/examples/default/main.c
@@ -49,28 +49,6 @@
/**************************************************************************/
/*!
- Approximates a 1 millisecond delay using "nop". This is less
- accurate than a dedicated timer, but is useful in certain situations.
-
- The number of ticks to delay depends on the optimisation level set
- when compiling (-O). Depending on the compiler settings, one of the
- two defined values for 'delay' should be used.
-*/
-/**************************************************************************/
-void delayms(uint32_t ms)
-{
- uint32_t delay = ms * ((CFG_CPU_CCLK / 100) / 45); // Release Mode (-Os)
- // uint32_t delay = ms * ((CFG_CPU_CCLK / 100) / 120); // Debug Mode (No optimisations)
-
- while (delay > 0)
- {
- __asm volatile ("nop");
- delay--;
- }
-}
-
-/**************************************************************************/
-/*!
Main program entry point. After reset, normal code execution will
begin here.
*/
@@ -85,19 +63,12 @@ int main(void)
while (1)
{
- // Toggle LED once per second ... rollover = 136 years :)
+ // Toggle LED once per second
currentSecond = systickGetSecondsActive();
if (currentSecond != lastSecond)
{
lastSecond = currentSecond;
- if (gpioGetValue(CFG_LED_PORT, CFG_LED_PIN) == CFG_LED_OFF)
- {
- gpioSetValue (CFG_LED_PORT, CFG_LED_PIN, CFG_LED_ON);
- }
- else
- {
- gpioSetValue (CFG_LED_PORT, CFG_LED_PIN, CFG_LED_OFF);
- }
+ gpioSetValue(CFG_LED_PORT, CFG_LED_PIN, lastSecond % 2);
}
// Poll for CLI input if CFG_INTERFACE is enabled in projectconfig.h

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