Paparazzi UAS  v5.0.5_stable-7-g4b8bbb7
Paparazzi is a free software Unmanned Aircraft System.
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audio_telemetry_hw.h File Reference
#include "LPC21xx.h"
#include <BOARD_CONFIG>
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Macros

#define SAMPLES_PER_PERIOD   4
 
#define SAMPLE_PERIOD   (PCLK/4762/SAMPLES_PER_PERIOD/T1_PCLK_DIV)
 
#define AUDIO_TELEMETRY_CHECK_RUNNING()   {}
 

Functions

void TIMER1_ISR (void)
 
static void audio_telemetry_init (void)
 

Macro Definition Documentation

#define AUDIO_TELEMETRY_CHECK_RUNNING ( )    {}

Definition at line 56 of file audio_telemetry_hw.h.

#define SAMPLE_PERIOD   (PCLK/4762/SAMPLES_PER_PERIOD/T1_PCLK_DIV)

Definition at line 29 of file audio_telemetry_hw.h.

Referenced by audio_telemetry_init().

#define SAMPLES_PER_PERIOD   4

Definition at line 28 of file audio_telemetry_hw.h.

Referenced by TIMER1_ISR().

Function Documentation

static void audio_telemetry_init ( void  )
inlinestatic

Definition at line 31 of file audio_telemetry_hw.h.

References PINSEL1, SAMPLE_PERIOD, T1MCR, T1MR0, T1PR, T1TCR, TCR_ENABLE, TCR_RESET, TIMER1_ISR(), TMCR_MR0_I, TMCR_MR0_R, VIC_BIT, VIC_ENABLE, VIC_TIMER1, VICIntEnable, VICIntSelect, VICVectAddr1, and VICVectCntl1.

Referenced by init_ap().

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void TIMER1_ISR ( void  )

Definition at line 62 of file audio_telemetry_hw.c.

References audio_telemetry_phase, audio_telemetry_sample, audio_telemetry_sample_idx, DACR, get_next_bit(), ISR_ENTRY, ISR_EXIT, SAMPLES_PER_PERIOD, T1IR, TIR_MR0I, and VICVectAddr.

Referenced by audio_telemetry_init().

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