Apple-2-HW/aiie
1
0
Fork 0
mirror of https://github.com/JorjBauer/aiie.git synced 2024-11-29 16:49:26 +00:00
Code Issues Projects Releases Wiki Activity

debugging

Browse Source
This commit is contained in:
Jorj Bauer 2020-07-12 11:08:46 -04:00
parent 33886eef49
commit 816c38209c
3 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
teensy/teensy-speaker.cpp
View File

@ -83,8 +83,8 @@ void TeensySpeaker::maintainSpeaker()
togmutex.unlock();
// Now we can safely update the DAC based on the current toggleState
uint16_t v = (toggleState ? 0xFFF : 0x000);
dac.write((uint8_t) ((v >> 8) & 0xFF), (uint8_t) (v & 0xFF), true);
// uint16_t v = (toggleState ? 0xFFF : 0x000);
// dac.write((uint8_t) ((v >> 8) & 0xFF), (uint8_t) (v & 0xFF), true);
}

2
teensy/teensy-speaker.h
View File

@ -4,7 +4,7 @@
#include "physicalspeaker.h"
#include <MCP492X.h>
#define SAMPLERATE 4000
#define SAMPLERATE 8000
class TeensySpeaker : public PhysicalSpeaker {
public:

32
teensy/teensy.ino
View File

@ -164,6 +164,7 @@ void setup()
Serial.flush();
threads.setMicroTimer(); // use a 100uS timer instead of a 1mS timer
// threads.setSliceMicros(5);
threads.addThread(runDebouncer);
}
@ -225,32 +226,31 @@ void biosInterrupt()
g_keyboard->maintainKeyboard();
}
uint32_t spk_nextResetMillis = 0;
uint32_t spk_refreshCount = 0;
uint32_t spk_microsAtStart = micros();
uint32_t spk_microsForNext = 0;
void runSpeaker()
{
static uint32_t nextResetMillis = 0;
static uint32_t refreshCount = 0;
static uint32_t microsAtStart = micros();
static uint32_t microsForNext = 0;
if (1) {
if (micros() >= microsForNext) {
refreshCount++;
microsForNext = microsAtStart + ((1000000*refreshCount)/SAMPLERATE);
// ((TeensySpeaker *)g_speaker)->maintainSpeaker();
if (micros() >= spk_microsForNext) {
spk_refreshCount++;
spk_microsForNext = spk_microsAtStart + ((1000000*spk_refreshCount)/SAMPLERATE);
((TeensySpeaker *)g_speaker)->maintainSpeaker();
}
if (millis() >= nextResetMillis) {
nextResetMillis = millis() + 1000;
if (millis() >= spk_nextResetMillis) {
spk_nextResetMillis = millis() + 1000;
#ifdef DEBUG_TIMING
static char buf[25];
float pct = (100.0 * (float)refreshCount) / (float)SAMPLERATE;
sprintf(buf, "Speaker running at %f%% [%lu]", pct, refreshCount);
float pct = (100.0 * (float)spk_refreshCount) / (float)SAMPLERATE;
sprintf(buf, "Speaker running at %f%% [%lu]", pct, spk_refreshCount);
println(buf);
#endif
refreshCount = 0;
microsAtStart = micros();
microsForNext = microsAtStart + ((1000000*refreshCount)/SAMPLERATE);
spk_refreshCount = 0;
spk_microsAtStart = micros();
spk_microsForNext = spk_microsAtStart + ((1000000*spk_refreshCount)/SAMPLERATE);
}
}