diff options
Diffstat (limited to '')
| -rw-r--r-- | hwdef-Sofirn_SP10-Pro.h (renamed from hwdef-Sofirn_SP10S.h) | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/hwdef-Sofirn_SP10S.h b/hwdef-Sofirn_SP10-Pro.h index 0ee3332..bb10f2f 100644 --- a/hwdef-Sofirn_SP10S.h +++ b/hwdef-Sofirn_SP10-Pro.h @@ -1,28 +1,14 @@ -#ifndef HWDEF_SOFIRN_SP10S_H -#define HWDEF_SOFIRN_SP10S_H +#ifndef HWDEF_SOFIRN_SP10_H +#define HWDEF_SOFIRN_SP10_H -// TODO: rename to sofirn-sp10s-gchart? - -/* gChart's PIC12 to ATTINY1616 v1 adapter for the SP10S -https://oshpark.com/shared_projects/b4IZEGSy - -PIC12 Pinout: -1 - VDD -2 - No Connect -3 - Low Channel FET (series 4.7K Ohms) -4 - Switch -5 - High Channel FET (main PWM) -6 - Voltage Divider (300K:100K Ohms) -7 - Boost chip enable -8 - GND +/* Sofirn SP10 Pro pinout ATTINY1616 Mapping: -2 - PA5 : (no connect) -3 - PB5 : TCA0 - WO2 Alternate MUX -4 - PB3 : (switch) -5 - PB0 : TCA0 - WO0 -6 - PB4 : ADC0 - AIN9 -7 - PA1 : (boost enable) +PB5 : PWM small channel (TCA0 - WO2 Alternate MUX) +PB3 : eSwitch +PB0 : PWM big channel (TCA0 - WO0) +PB4 : Voltage divider (ADC0 - AIN9) +PA1 : Boost Enable */ @@ -44,25 +30,33 @@ ATTINY1616 Mapping: #endif #define PWM_CHANNELS 2 +#define PWM_BITS 16 // data type needs 16 bits, not 8 +#define PWM_TOP 255 // highest value used in top half of ramp +#define USE_DYN_PWM // dynamic frequency and speed // Small channel #ifndef PWM1_PIN #define PWM1_PIN PB5 -#define PWM1_LVL TCA0.SINGLE.CMP2 // PB5 is Alternate MUX for TCA Compare 2 +#define PWM1_LVL TCA0.SINGLE.CMP2BUF // PB5 is Alternate MUX for TCA Compare 2 #endif // Big channel #ifndef PWM2_PIN #define PWM2_PIN PB0 -#define PWM2_LVL TCA0.SINGLE.CMP0 // PB0 is TCA Compare 0 +#define PWM2_LVL TCA0.SINGLE.CMP0BUF // PB0 is TCA Compare 0 #endif +// PWM parameters of both channels are tied together because they share a counter +#define PWM1_TOP TCA0.SINGLE.PERBUF // holds the TOP value for for variable-resolution PWM +// not necessary when double-buffered "BUF" registers are used +//#define PWM1_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment + #define LED_ENABLE_PIN PIN1_bp #define LED_ENABLE_PORT PORTA_OUT #define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is flattened #define DUAL_VOLTAGE_FLOOR 20 // for AA/14500 boost drivers, don't indicate low voltage if below this level -#define DUAL_VOLTAGE_LOW_LOW 07 // the lower voltage range's danger zone 0.7 volts +#define DUAL_VOLTAGE_LOW_LOW 7 // the lower voltage range's danger zone 0.7 volts (NiMH) #define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN9_gc // which ADC channel to read // Raw ADC readings at 4.4V and 2.2V @@ -83,8 +77,8 @@ ATTINY1616 Mapping: // ... 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 10 MHz instead of the default 3.33 MHz + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm ); VPORTA.DIR = PIN1_bm; // Boost enable pin VPORTB.DIR = PIN0_bm | PIN5_bm; // PWM pins as output @@ -107,16 +101,22 @@ inline void hwdef_setup() { //PORTB.PIN4CTRL = PORT_PULLUPEN_bm; // Voltage divider //PORTB.PIN5CTRL = PORT_PULLUPEN_bm; // Small PWM channel - //PORTC.PIN0CTRL = PORT_PULLUPEN_bm; connected to the ADC via airwire + PORTC.PIN0CTRL = PORT_PULLUPEN_bm; PORTC.PIN1CTRL = PORT_PULLUPEN_bm; PORTC.PIN2CTRL = PORT_PULLUPEN_bm; PORTC.PIN3CTRL = PORT_PULLUPEN_bm; // set up the PWM - // TODO: add references to MCU documentation + // https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf + // PB0 is TCA0:WO0, use TCA_SINGLE_CMP0EN_bm + // PB1 is TCA0:WO1, use TCA_SINGLE_CMP1EN_bm + // PB2 is TCA0:WO2, use TCA_SINGLE_CMP2EN_bm + // For Fast (Single Slope) PWM use TCA_SINGLE_WGMODE_SINGLESLOPE_gc + // For Phase Correct (Dual Slope) PWM use TCA_SINGLE_WGMODE_DSBOTTOM_gc + // See the manual for other pins, clocks, configs, portmux, etc PORTMUX.CTRLC = PORTMUX_TCA02_ALTERNATE_gc; // Use alternate pin for TCA0:WO2 - TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP2EN_bm | TCA_SINGLE_WGMODE_SINGLESLOPE_gc; - TCA0.SINGLE.PER = 255; + TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP2EN_bm | TCA_SINGLE_WGMODE_DSBOTTOM_gc; + PWM1_TOP = PWM_TOP; TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm; } |