diff options
Diffstat (limited to 'hwdef-Sofirn_SP10S.h')
| -rw-r--r-- | hwdef-Sofirn_SP10S.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/hwdef-Sofirn_SP10S.h b/hwdef-Sofirn_SP10S.h index 75d79a1..0ee3332 100644 --- a/hwdef-Sofirn_SP10S.h +++ b/hwdef-Sofirn_SP10S.h @@ -1,6 +1,8 @@ #ifndef HWDEF_SOFIRN_SP10S_H #define HWDEF_SOFIRN_SP10S_H +// TODO: rename to sofirn-sp10s-gchart? + /* gChart's PIC12 to ATTINY1616 v1 adapter for the SP10S https://oshpark.com/shared_projects/b4IZEGSy @@ -34,7 +36,7 @@ ATTINY1616 Mapping: #include <avr/io.h> #ifndef SWITCH_PIN -#define SWITCH_PIN 3 +#define SWITCH_PIN 3 #define SWITCH_PORT VPORTB.IN #define SWITCH_ISC_REG PORTB.PIN3CTRL #define SWITCH_VECT PORTB_PORT_vect @@ -81,14 +83,13 @@ 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 5 MHz instead of the default 3.33 MHz + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm ); VPORTA.DIR = PIN1_bm; // Boost enable pin VPORTB.DIR = PIN0_bm | PIN5_bm; // PWM pins as output //VPORTC.DIR = ...; - // enable pullups on the input pins to reduce power PORTA.PIN0CTRL = PORT_PULLUPEN_bm; //PORTA.PIN1CTRL = PORT_PULLUPEN_bm; // Boost enable pin @@ -98,21 +99,22 @@ inline void hwdef_setup() { PORTA.PIN5CTRL = PORT_PULLUPEN_bm; PORTA.PIN6CTRL = PORT_PULLUPEN_bm; PORTA.PIN7CTRL = PORT_PULLUPEN_bm; - + //PORTB.PIN0CTRL = PORT_PULLUPEN_bm; // Big PWM channel PORTB.PIN1CTRL = PORT_PULLUPEN_bm; PORTB.PIN2CTRL = PORT_PULLUPEN_bm; PORTB.PIN3CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc; // Switch //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.PIN1CTRL = PORT_PULLUPEN_bm; PORTC.PIN2CTRL = PORT_PULLUPEN_bm; PORTC.PIN3CTRL = PORT_PULLUPEN_bm; - - // set up the PWM - PORTMUX.CTRLC = PORTMUX_TCA02_ALTERNATE_gc; // Use alternate pin for TCA0:WO2 + + // set up the PWM + // TODO: add references to MCU documentation + 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.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm; |