Update to 48 kHz sample rate.

This commit is contained in:
Jonathan Naylor 2016-12-19 15:27:52 +00:00
parent 2fad06093f
commit 37080d9901
24 changed files with 79 additions and 118 deletions

26
IO.cpp
View file

@ -24,22 +24,14 @@
#include "Globals.h"
#include "IO.h"
#if defined(WIDE_C4FSK_FILTERS_RX)
// Generated using rcosdesign(0.2, 4, 5, 'sqrt') in MATLAB
static q15_t C4FSK_FILTER[] = {688, -680, -2158, -3060, -2724, -775, 2684, 7041, 11310, 14425, 15565, 14425,
11310, 7041, 2684, -775, -2724, -3060, -2158, -680, 688, 0};
const uint16_t C4FSK_FILTER_LEN = 22U;
#else
// Generated using rcosdesign(0.2, 8, 5, 'sqrt') in MATLAB
static q15_t C4FSK_FILTER[] = {401, 104, -340, -731, -847, -553, 112, 909, 1472, 1450, 683, -675, -2144, -3040, -2706, -770, 2667, 6995,
11237, 14331, 15464, 14331, 11237, 6995, 2667, -770, -2706, -3040, -2144, -675, 683, 1450, 1472, 909, 112,
-553, -847, -731, -340, 104, 401, 0};
// Generated using rcosdesign(0.2, 4, 10, 'sqrt') in MATLAB
static q15_t C4FSK_FILTER[] = {486, 39, -480, -1022, -1526, -1928, -2164, -2178, -1927, -1384, -548, 561, 1898, 3399, 4980, 6546, 7999, 9246, 10202, 10803, 11008, 10803, 10202, 9246,
7999, 6546, 4980, 3399, 1898, 561, -548, -1384, -1927, -2178, -2164, -1928, -1526, -1022, -480, 39, 486, 0};
const uint16_t C4FSK_FILTER_LEN = 42U;
#endif
// Generated using gaussfir(0.5, 4, 5) in MATLAB
static q15_t GMSK_FILTER[] = {8, 104, 760, 3158, 7421, 9866, 7421, 3158, 760, 104, 8, 0};
const uint16_t GMSK_FILTER_LEN = 12U;
// Generated using gaussfir(0.5, 4, 10) in MATLAB
static q15_t GMSK_FILTER[] = {1, 4, 15, 52, 151, 380, 832, 1579, 2599, 3710, 4594, 4933, 4594, 3710, 2599, 1579, 832, 380, 151, 52, 15, 4, 1, 0};
const uint16_t GMSK_FILTER_LEN = 24U;
const uint16_t DC_OFFSET = 2048U;
@ -100,7 +92,7 @@ void CIO::process()
m_ledCount++;
if (m_started) {
// Two seconds timeout
if (m_watchdog >= 48000U) {
if (m_watchdog >= 96000U) {
if (m_modemState == STATE_DSTAR || m_modemState == STATE_DMR || m_modemState == STATE_YSF) {
if (m_modemState == STATE_DMR && m_tx)
dmrTX.setStart(false);
@ -111,13 +103,13 @@ void CIO::process()
m_watchdog = 0U;
}
if (m_ledCount >= 24000U) {
if (m_ledCount >= 48000U) {
m_ledCount = 0U;
m_ledValue = !m_ledValue;
setLEDInt(m_ledValue);
}
} else {
if (m_ledCount >= 240000U) {
if (m_ledCount >= 480000U) {
m_ledCount = 0U;
m_ledValue = !m_ledValue;
setLEDInt(m_ledValue);