Paparazzi UAS  v5.15_devel-164-g81d4ceb
Paparazzi is a free software Unmanned Aircraft System.
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main_demo3.c
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1 
2 #include "std.h"
3 #include "mcu.h"
4 #include "mcu_periph/sys_time.h"
5 #include "led.h"
6 #include "mcu_periph/uart.h"
8 
9 static inline void main_init(void);
10 static inline void main_periodic_task(void);
11 
12 int main(void)
13 {
14  main_init();
15  while (1) {
18  }
19  }
20  return 0;
21 }
22 
23 static inline void main_init(void)
24 {
25  mcu_init();
26  sys_time_register_timer((1. / PERIODIC_FREQUENCY), NULL);
27  uart0_init_tx();
29 }
30 
31 static inline void main_periodic_task(void)
32 {
33  LED_TOGGLE(1);
34  UART0PrintString("demo3 running since ");
35  UART0PrintHex32(sys_time.nb_sec);
36  UART0PrintString(" seconds\n");
37 }
arch independent UART (Universal Asynchronous Receiver/Transmitter) API
void mcu_init(void)
Microcontroller peripherals initialization.
Definition: mcu.c:83
int main(void)
Definition: main_demo3.c:12
static void main_periodic_task(void)
Definition: main_demo3.c:31
#define mcu_int_enable()
Definition: mcu_arch.h:36
static void main_init(void)
Definition: main_demo3.c:23
Architecture independent timing functions.
#define LED_TOGGLE(i)
Definition: led_hw.h:53
Arch independent mcu ( Micro Controller Unit ) utilities.
static bool sys_time_check_and_ack_timer(tid_t id)
Check if timer has elapsed.
Definition: sys_time.h:114
volatile uint32_t nb_sec
full seconds since startup
Definition: sys_time.h:72
arch independent LED (Light Emitting Diodes) API
tid_t sys_time_register_timer(float duration, sys_time_cb cb)
Register a new system timer.
Definition: sys_time.c:43