Paparazzi UAS  v6.2_unstable
Paparazzi is a free software Unmanned Aircraft System.
ppm_arch.c File Reference
#include "modules/radio_control/radio_control.h"
#include "modules/radio_control/ppm.h"
#include <BOARD_CONFIG>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/timer.h>
#include <libopencm3/cm3/nvic.h>
#include "mcu_periph/gpio.h"
#include "mcu_arch.h"
+ Include dependency graph for ppm_arch.c:

Go to the source code of this file.


#define ONE_MHZ_CLK   1000000
#define PPM_IRQ_PRIO   2


void ppm_arch_init (void)
 Architecture dependant code. More...


static uint32_t timer_rollover_cnt

Detailed Description

STM32 ppm decoder.

Input signal either on:

  • PA1 TIM2/CH2 (uart1 trig on Lisa/L) (Servo 6 on Lisa/M)
  • PA10 TIM1/CH3 (uart1 trig on Lisa/L) (uart1 rx on Lisa/M)

Definition in file ppm_arch.c.

Macro Definition Documentation


#define ONE_MHZ_CLK   1000000

Definition at line 48 of file ppm_arch.c.


#define PPM_IRQ_PRIO   2

Definition at line 52 of file ppm_arch.c.

Function Documentation

◆ ppm_arch_init()

Variable Documentation

◆ timer_rollover_cnt

uint32_t timer_rollover_cnt

Definition at line 56 of file ppm_arch.c.

Referenced by ppm_arch_init().