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Switch to FM transmitter sweep

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cnlohr
2024-06-25 03:14:43 -07:00
parent 41ec379ad6
commit a8ab17013f
1 changed files with 4 additions and 2 deletions
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ch32v/ch32v003-timer/nonlora.c
+4 -2
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@@ -48,7 +48,7 @@ SOFTWARE.
// NOT LORA!!! // NOT LORA!!!
// Transmit a sweep on 97.7MHz // Transmit a sweep on 97.7MHz
//#define FM_TRANSMITTER_SWEEP #define FM_TRANSMITTER_SWEEP
// Nothing = Transmit a 315MHz signal. // Nothing = Transmit a 315MHz signal.
@@ -376,7 +376,9 @@ void LoopFunction2()
{ {
#ifdef FM_TRANSMITTER_SWEEP #ifdef FM_TRANSMITTER_SWEEP
// 97.7MHz FM Station // 97.7MHz FM Station
uint32_t cp = ((SysTick->CNT>>3)&0x3fff)+0x12900; int notein = (SysTick->CNT>>4)&0x3fff;
if( notein > 0x1fff ) notein = 0x4000-notein;
uint32_t cp = (notein)+0x12900;
#else #else
// 315MHz // 315MHz
uint32_t cp = 0x1bfc3; uint32_t cp = 0x1bfc3;