Initial add, Tesla IO mostly done

TeslaMidi.atsln

+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Atmel Studio Solution File, Format Version 11.00
+Project("{54F91283-7BC4-4236-8FF9-10F437C3AD48}") = "TeslaMidi", "TeslaMidi\TeslaMidi.cproj", "{E2ECC8A3-D5C6-44F6-BEE0-23A8D5846B0A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|AVR = Debug|AVR
+		Release|AVR = Release|AVR
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E2ECC8A3-D5C6-44F6-BEE0-23A8D5846B0A}.Debug|AVR.ActiveCfg = Debug|AVR
+		{E2ECC8A3-D5C6-44F6-BEE0-23A8D5846B0A}.Debug|AVR.Build.0 = Debug|AVR
+		{E2ECC8A3-D5C6-44F6-BEE0-23A8D5846B0A}.Release|AVR.ActiveCfg = Release|AVR
+		{E2ECC8A3-D5C6-44F6-BEE0-23A8D5846B0A}.Release|AVR.Build.0 = Release|AVR
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

TeslaMidi/MIDI.c

+/*
+ * MIDI.c
+ *
+ * Created: 19.08.2014 23:32:07
+ *  Author: Snorre
+ */ 
+
+
+
+void midi_init();
\ No newline at end of file

TeslaMidi/MIDI.h

+/*
+ * MIDI.h
+ *
+ * Created: 19.08.2014 23:34:37
+ *  Author: Snorre
+ */ 
+
+
+#ifndef MIDI_H_
+#define MIDI_H_
+
+
+void midi_init();
+
+
+
+
+#endif /* MIDI_H_ */
\ No newline at end of file

TeslaMidi/TeslaMidi.c

+/*
+ * TeslaMidi.c
+ *
+ * Created: 18.08.2014 21:05:01
+ *  Author: SNV
+ */ 
+
+
+#include <avr/io.h>
+#include "MIDI.h"
+#include "tesla_io.h"
+#include "panel_io.h"
+#include "watchdog.h"
+
+
+int main(void)
+{
+	uint8_t error;
+	//TESLA IO SAFE
+	tesla_init();
+	
+	//PANEL IO INIT
+	panel_init();
+	
+	//WATCHDOG INIT
+	error = watchdog_init();
+	if (error){
+		//watchdog tripped, set IO appropriately and hold.
+	}
+	
+	//MIDI INIT
+	midi_init();
+	
+	//WAIT FOR READY
+	panel_wait_run();
+	
+	//WATCHDOG_START
+	watchdog_start();
+	
+	//CARRIER_START
+	for (uint8_t i = 0; i < 2 ; i++){
+		tesla_channel_enable(i);
+	}
+	tesla_carrier_enable();
+	
+    while(1)
+    {
+		//POLL MIDI USART
+			//PARSE MIDI
+			//HANDLE MIDI OUT
+		//READ PANEL IO
+			//PANEL STATE
+			
+		//HANDLE WAVE IO
+		
+		
+		//PET DOG
+    }
+}
\ No newline at end of file

TeslaMidi/miditable.h

+/*
+ * miditable.h
+ *
+ * Created: 24.08.2014 15:35:37
+ *  Author: Snorre
+ */ 
+
+
+#ifndef MIDITABLE_H_
+#define MIDITABLE_H_
+
+const uint16_t midi_per[128] = {
+61156, 
+57724,
+54484,
+51426,
+48540,
+45815,
+43244,
+40817,
+38526,
+36364,
+34323,
+32396,
+30578,
+28862,
+27242,
+25713,
+24270,
+22908,
+21622,
+20408,
+19263,
+18182,
+17161,
+16198,
+15289,
+14431,
+13621,
+12856,
+12135,
+11454,
+10811,
+10204,
+9631,
+9091,
+8581,
+8099,
+7645,
+7215,
+6810,
+6428,
+6067,
+5727,
+5405,
+5102,
+4816,
+4545,
+4290,
+4050,
+3822,
+3608,
+3405,
+3214,
+3034,
+2863,
+2703,
+2551,
+2408,
+2273,
+2145,
+2025,
+1911,
+1804,
+1703,
+1607,
+1517,
+1432,
+1351,
+1276,
+1204,
+1136,
+1073,
+1012,
+956,
+902,
+851,
+804,
+758,
+716,
+676,
+638,
+602,
+568,
+536,
+506,
+478,
+451,
+426,
+402,
+379,
+358,
+338,
+319,
+301,
+284,
+268,
+253,
+239,
+225,
+213,
+201,
+190,
+179,
+169,
+159,
+150,
+142,
+134,
+127,
+119,
+113,
+106,
+100,
+95,
+89,
+84,
+80,
+75,
+71,
+67,
+63,
+60,
+56,
+53,
+50,
+47,
+45,
+42,
+40
+};
+
+/* Table giving max CC values for note channels given (T_on < 700us) and (T_on < per/2), 
+ * and given 500khz timer clock
+ *
+ */
+const uint16_t midi_note_max[128]= {
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+350,
+338,
+319,
+301,
+284,
+268,
+253,
+239,
+226,
+213,
+201,
+190,
+179,
+169,
+160,
+151,
+142,
+134,
+127,
+120,
+113,
+107,
+101,
+95,
+90,
+85,
+80,
+75,
+71,
+67,
+64,
+60,
+57,
+53,
+50,
+48,
+45,
+42,
+40,
+38,
+36,
+34,
+32,
+30,
+28,
+27,
+25,
+24,
+23,
+21,
+20
+};
+
+
+// should be in flash
+// isn't.
+
+#endif /* MIDITABLE_H_ */
\ No newline at end of file

TeslaMidi/panel_io.c

+/*
+ * panel_io.c
+ *
+ * Created: 19.08.2014 23:33:20
+ *  Author: Snorre
+ */ 

TeslaMidi/panel_io.h

+/*
+ * panel_io.h
+ *
+ * Created: 19.08.2014 23:34:47
+ *  Author: Snorre
+ */ 
+
+
+#ifndef PANEL_IO_H_
+#define PANEL_IO_H_
+
+void panel_init();
+
+void panel_wait_run();
+
+void panel_update();
+
+uint8_t panel_get_level();
+
+void panel_set_led_on(uint8_t ledmask);
+void panel_set_led_off(uint8_t ledmask);
+
+#define PANEL_ERROR (1 << 0)
+
+ 
+
+
+
+
+#endif /* PANEL_IO_H_ */
\ No newline at end of file

TeslaMidi/tesla_io.c

+/*
+ * tesla_io.c
+ *
+ * Created: 19.08.2014 23:33:38
+ *  Author: Snorre
+ */ 
+#include <avr/io.h>
+
+#include "tesladefs.h"
+#include "tesla_io.h"
+#include "teslaarrays.h"
+#include "miditable.h"
+
+#include "panel_io.h"
+
+void tesla_init(){
+	// SET ALL IO SAFE
+	
+	TESLA_C_PORT.DIR    |= TESLA_C_PIN_bm;
+	TESLA_C_PORT.OUTCLR |= TESLA_C_PIN_bm;
+	
+	TESLA_O0_PORT.DIR    |= TESLA_O0_PIN_bm;
+	TESLA_O0_PORT.OUTCLR |= TESLA_O0_PIN_bm;
+	
+	TESLA_O1_PORT.DIR    |= TESLA_O0_PIN_bm;
+	TESLA_O1_PORT.OUTCLR |= TESLA_O0_PIN_bm;
+	
+	TESLA_O2_PORT.DIR    |= TESLA_O0_PIN_bm;
+	TESLA_O2_PORT.OUTCLR |= TESLA_O0_PIN_bm;
+	
+	TESLA_O3_PORT.DIR    |= TESLA_O0_PIN_bm;
+	TESLA_O3_PORT.OUTCLR |= TESLA_O0_PIN_bm;
+	
+		
+	for (uint8_t i = 0; i < TESLA_MAX_CHANNELS;i++){
+		tesla_channel_enable(i);
+	}
+	
+	tesla_carrier_disable();
+	
+	//RTFD
+}
+
+void tesla_channel_enable(uint8_t channel){
+	//RTFD
+	tesla_channel_stop(channel);
+
+	teslatimers[channel]->CTRLB |= teslacc_bm[channel]|TC_WGMODE_SINGLESLOPE_gc;	
+}
+
+void tesla_carrier_enable(){
+	
+    TESLA_C_TIMER.PER = TESLA_CARRIER_PER_FULL;
+	*TESLA_C_OCR = TESLA_CARRIER_PER_ON;
+	TESLA_C_TIMER.CNT = 0;
+	
+	TESLA_C_TIMER.CTRLB = TESLA_C_CC_bm | TC_WGMODE_SINGLESLOPE_gc;
+	TESLA_C_TIMER.CTRLA = TC_CLKSEL_DIV1_gc;
+	
+	// RTFD
+}
+
+void tesla_carrier_disable(){
+	
+	TESLA_C_TIMER.CTRLA = TC_CLKSEL_OFF_gc;
+	TESLA_C_TIMER.CNT = 0;
+	
+	TESLA_C_PORT.OUTCLR = TESLA_C_PIN_bm;
+	// RTFD
+}
+
+void tesla_channel_play(uint8_t channel, uint8_t note, uint8_t strenght){
+	if (channel >= 	TESLA_MAX_CHANNELS){
+		tesla_panic();
+	}
+	
+	// stop channel to ensure known state when configuring
+	tesla_channel_stop(channel);
+	
+	*teslacc[channel] = (((uint32_t) panel_get_level()) * ((uint32_t)midi_note_max[note])) >> 8;
+		//Should max scale with level?
+	
+	//lookup & set PER
+	teslatimers[channel]->PER = midi_per[channel]; //bend?
+	
+	//lookup (if necessary) and set prescaler
+	teslatimers[channel]->CTRLA = TC_CLKSEL_DIV64_gc;
+	
+	//RTFD	
+}	
+
+void tesla_channel_stop(uint8_t channel){
+	if (channel >= 	TESLA_MAX_CHANNELS){
+		tesla_panic();
+	}
+	// STOP TIMER
+	teslatimers[channel]->CTRLA = TC_CLKSEL_OFF_gc;
+	// CLEAR TIMER
+	teslatimers[channel]->CNT = 0;
+	
+	// CLEAR IO
+	teslaport[channel]->OUTCLR = teslaportpinbm[channel];
+	// CLEAR OCR	
+	*teslacc[channel] = 0;
+	
+	//RTFD
+}
+
+void tesla_panic(){
+	// turn off everything
+	tesla_carrier_disable();
+	for (uint8_t i = 0; i < TESLA_MAX_CHANNELS; i++){
+		tesla_channel_stop(i);
+	}
+	
+	panel_set_led_on(PANEL_ERROR);
+	
+	// wait forever	
+	while(1);
+}
\ No newline at end of file

TeslaMidi/tesla_io.h

+/*
+ * tesla_io.h
+ *
+ * Created: 19.08.2014 23:34:55
+ *  Author: Snorre
+ */ 
+
+
+#ifndef TESLA_IO_H_
+#define TESLA_IO_H_
+
+
+
+
+
+
+void tesla_init();
+
+void tesla_channel_enable(uint8_t channel);
+
+void tesla_carrier_enable();
+void tesla_carrier_disable();
+
+void tesla_channel_stop(uint8_t channel);
+void tesla_channel_play(uint8_t channel, uint8_t note, uint8_t strenght);
+
+void tesla_panic();
+
+#endif /* TESLA_IO_H_ */
\ No newline at end of file

TeslaMidi/teslaarrays.h

+/*
+ * teslatimers.h
+ *
+ * Created: 24.08.2014 13:46:04
+ *  Author: Snorre
+ */ 
+
+
+#ifndef TESLATIMERS_H_
+#define TESLATIMERS_H_
+
+#include <avr/io.h>
+#include "tesladefs.h"
+
+// ASSUMES TC0_struct Binary compatible with TC1_struct given no illegal register access. 
+// Verify this repeatedly when reviewing
+
+TC0_t* teslatimers[4] = {
+	&TESLA_O0_TIMER,
+	&TESLA_O1_TIMER,
+	&TESLA_O2_TIMER,
+	&TESLA_O3_TIMER
+};
+
+volatile uint16_t* teslacc[4] = {
+	TESLA_O0_OCR,
+	TESLA_O1_OCR,
+	TESLA_O2_OCR,
+	TESLA_O3_OCR
+};
+
+PORT_t* teslaport[4] = {
+	&TESLA_O0_PORT,
+	&TESLA_O1_PORT,
+	&TESLA_O2_PORT,
+	&TESLA_O3_PORT
+};
+
+
+uint8_t teslaportpinbm[4] = {
+	TESLA_O0_PIN_bm,
+	TESLA_O1_PIN_bm,
+	TESLA_O2_PIN_bm,
+	TESLA_O3_PIN_bm
+};
+
+uint8_t teslacc_bm[4]  = {
+	TESLA_O0_CC_bm,
+	TESLA_O1_CC_bm,
+	TESLA_O2_CC_bm,
+	TESLA_O3_CC_bm
+};
+
+
+#endif /* TESLATIMERS_H_ */
\ No newline at end of file

TeslaMidi/tesladefs.h

+/*
+ * tesladefs.h
+ *
+ * Created: 19.08.2014 23:59:46
+ *  Author: Snorre
+ */ 
+
+
+#ifndef TESLADEFS_H_
+#define TESLADEFS_H_
+
+#include <avr/io.h>
+
+#define TESLA_MAX_ON 700 us
+
+#define TESLA_CARRIER_PER_FULL 16
+#define TESLA_CARRIER_PER_ON 2 // ?  
+
+#define TESLA_MAX_CHANNELS 2
+
+
+#define TESLA_O0_PORT PORTC
+#define TESLA_O0_PIN 0
+#define TESLA_O0_PIN_bm (1 << TESLA_O0_PIN)
+#define TESLA_O0_TIMER TCC0
+#define TESLA_O0_OCR (&((&TESLA_O0_TIMER)->CCA))
+#define TESLA_O0_CC_bm TC0_CCAEN_bm
+
+#define TESLA_O1_PORT PORTC
+#define TESLA_O1_PIN 0
+#define TESLA_O1_PIN_bm (1 << TESLA_O1_PIN)
+#define TESLA_O1_TIMER TCC0
+#define TESLA_O1_OCR (&((&TESLA_O0_TIMER)->CCA))
+#define TESLA_O1_CC_bm TC0_CCAEN_bm
+
+#define TESLA_O2_PORT PORTC
+#define TESLA_O2_PIN 0
+#define TESLA_O2_PIN_bm (1 << TESLA_O2_PIN)
+#define TESLA_O2_TIMER TCC0
+#define TESLA_O2_OCR (&((&TESLA_O0_TIMER)->CCA))
+#define TESLA_O2_CC_bm TC0_CCAEN_bm
+
+#define TESLA_O3_PORT PORTC
+#define TESLA_O3_PIN 0
+#define TESLA_O3_PIN_bm (1 << TESLA_O3_PIN)
+#define TESLA_O3_TIMER TCC0
+#define TESLA_O3_OCR (&((&TESLA_O0_TIMER)->CCA))
+#define TESLA_O3_CC_bm TC0_CCAEN_bm
+
+#define TESLA_C_PORT PORTC
+#define TESLA_C_PIN 0
+#define TESLA_C_PIN_bm (1 << TESLA_C_PIN)
+#define TESLA_C_TIMER TCC1
+#define TESLA_C_OCR (&((&TESLA_O0_TIMER)->CCA))
+#define TESLA_C_CC_bm TC0_CCAEN_bm
+
+
+#endif /* TESLADEFS_H_ */
\ No newline at end of file

TeslaMidi/watchdog.c

+/*
+ * watchdog.c
+ *
+ * Created: 19.08.2014 23:32:46
+ *  Author: Snorre
+ */ 

TeslaMidi/watchdog.h

+/*
+ * watchdog.h
+ *
+ * Created: 19.08.2014 23:35:05
+ *  Author: Snorre
+ */ 
+
+
+#ifndef WATCHDOG_H_
+#define WATCHDOG_H_
+
+
+uint8_t watchdog_init();
+void watchdog_start();
+void watchdog_pet();
+
+#endif /* WATCHDOG_H_ */
\ No newline at end of file