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Fixup test harness & frequency calculator in Pronto code

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This commit is contained in:
Bluechip
2015-06-21 18:34:40 +01:00
parent f4e33ca456
commit ee907442b1
1 changed files with 16 additions and 8 deletions
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24
irPronto.cpp
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@@ -1,7 +1,15 @@
#if SEND_PRONTO
#define TEST 0 #define TEST 0
#if TEST
# define SEND_PRONTO 1
# define PRONTO_ONCE false
# define PRONTO_REPEAT true
# define PRONTO_FALLBACK true
# define PRONTO_NOFALLBACK false
#endif
#if SEND_PRONTO
//****************************************************************************** //******************************************************************************
#if TEST #if TEST
# include <stdio.h> # include <stdio.h>
@@ -68,7 +76,7 @@ bool sendPronto (char* s, bool repeat, bool fallback)
int len; int len;
int skip; int skip;
char* cp; char* cp;
uint8_t freq; // Frequency in KHz uint16_t freq; // Frequency in KHz
uint8_t usec; // pronto uSec/tick uint8_t usec; // pronto uSec/tick
uint8_t once; uint8_t once;
uint8_t rpt; uint8_t rpt;
@@ -90,8 +98,9 @@ bool sendPronto (char* s, bool repeat, bool fallback)
// Extract & set frequency // Extract & set frequency
byp(&cp); byp(&cp);
freq = (int)((1000000 / (htow(cp) * 0.241246)) / 1000); freq = (int)(1000000 / (htow(cp) * 0.241246)); // Rounding errors will occur, tolerance is +/- 10%
usec = (int)(((1.0 / freq) * 1000000) + 0.5); usec = (int)(((1.0 / freq) * 1000000) + 0.5); // Another rounding error, thank Cod for analogue electronics
freq /= 1000; // This will introduce a(nother) rounding error which we do not want in the usec calcualtion
cp += 4; cp += 4;
// Get length of "once" code // Get length of "once" code
@@ -105,7 +114,7 @@ bool sendPronto (char* s, bool repeat, bool fallback)
cp += 4; cp += 4;
// Which code are we sending? // Which code are we sending?
if (fallback) { if (fallback) { // fallback on the "other" code if "this" code is not present
if (!repeat) { // requested 'once' if (!repeat) { // requested 'once'
if (once) len = once * 2, skip = 0 ; // if once exists send it if (once) len = once * 2, skip = 0 ; // if once exists send it
else len = rpt * 2, skip = 0 ; // else send repeat code else len = rpt * 2, skip = 0 ; // else send repeat code
@@ -123,7 +132,6 @@ bool sendPronto (char* s, bool repeat, bool fallback)
// Send code // Send code
enableIROut(freq); enableIROut(freq);
for (i = 0; i < len; i++) { for (i = 0; i < len; i++) {
byp(&cp); byp(&cp);
if (i & 1) space(htow(cp) * usec); if (i & 1) space(htow(cp) * usec);
@@ -160,7 +168,7 @@ int main ( )
#endif // TEST #endif // TEST
#endif SEND_PRONTO #endif // SEND_PRONTO