Merge from main branch

1 files changed, 15 insertions, 11 deletions

diff --git a/hwdef-gchart-fet1-t16.h b/hwdef-gchart-fet1-t1616.h
index e8fd11c..365ecd7 100644
--- a/hwdef-gchart-fet1-t16.h
+++ b/hwdef-gchart-fet1-t1616.h
@@ -1,5 +1,5 @@
-#ifndef HWDEF_GCH_FET1_T16_H
-#define HWDEF_GCH_FET1_T16_H
+#ifndef HWDEF_GCH_FET1_T1616_H
+#define HWDEF_GCH_FET1_T1616_H
 
 /* gChart's custom FET+1 driver layout
 
@@ -23,7 +23,7 @@ Read voltage from VCC pin, has diode with ~0.4v drop
 #define PWM_CHANNELS 2
 
 #ifndef SWITCH_PIN
-#define SWITCH_PIN     PIN2_bp    
+#define SWITCH_PIN     PIN2_bp
 #define SWITCH_PORT    VPORTB.IN
 #define SWITCH_ISC_REG PORTB.PIN2CTRL
 #define SWITCH_VECT    PORTB_PORT_vect
@@ -33,13 +33,13 @@ Read voltage from VCC pin, has diode with ~0.4v drop
 
 // 7135 channel
 #ifndef PWM1_PIN
-#define PWM1_PIN PB1               // 
+#define PWM1_PIN PB1               //
 #define PWM1_LVL TCA0.SINGLE.CMP1  // CMP1 is the output compare register for PB1
 #endif
 
 // FET channel
 #ifndef PWM2_PIN
-#define PWM2_PIN PB0               // 
+#define PWM2_PIN PB0               //
 #define PWM2_LVL TCA0.SINGLE.CMP0  // CMP0 is the output compare register for PB0
 #endif
 
@@ -60,8 +60,8 @@ Read voltage from VCC pin, has diode with ~0.4v drop
 // ... so just hardcode it in each hwdef file instead
 inline void hwdef_setup() {
 
-	// set up the system clock to run at 5 MHz instead of the default 3.33 MHz
-	_PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm );
+    // set up the system clock to run at 5 MHz instead of the default 3.33 MHz
+    _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm );
 
     //VPORTA.DIR = 0b00000010;
     VPORTB.DIR = PIN0_bm | PIN1_bm | PIN3_bm;
@@ -76,20 +76,24 @@ inline void hwdef_setup() {
     PORTA.PIN5CTRL = PORT_PULLUPEN_bm;
     PORTA.PIN6CTRL = PORT_PULLUPEN_bm;
     PORTA.PIN7CTRL = PORT_PULLUPEN_bm;
-    
+
     //PORTB.PIN0CTRL = PORT_PULLUPEN_bm; // FET channel
     //PORTB.PIN1CTRL = PORT_PULLUPEN_bm; // 7135 channel
     PORTB.PIN2CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc;  // switch
     //PORTB.PIN3CTRL = PORT_PULLUPEN_bm; // Aux LED
     PORTB.PIN4CTRL = PORT_PULLUPEN_bm;
     PORTB.PIN5CTRL = PORT_PULLUPEN_bm;
-    
+
     PORTC.PIN0CTRL = PORT_PULLUPEN_bm;
     PORTC.PIN1CTRL = PORT_PULLUPEN_bm;
     PORTC.PIN2CTRL = PORT_PULLUPEN_bm;
     PORTC.PIN3CTRL = PORT_PULLUPEN_bm;
-  
-  	// set up the PWM
+
+    // set up the PWM
+    // TODO: add references to MCU documentation
+    // TODO: measure 5 MHz fast PWM vs 10 MHz phase-correct, to see if it
+    //       still has issues at 0/255 and 255/255 like older models did
+    //       (and maybe switch to phase-correct@10MHz)
     TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP1EN_bm | TCA_SINGLE_WGMODE_SINGLESLOPE_gc;
     TCA0.SINGLE.PER = 255;
     TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;