diff options
Diffstat (limited to 'hwdef-Sofirn_SP10S.h')
| -rw-r--r-- | hwdef-Sofirn_SP10S.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/hwdef-Sofirn_SP10S.h b/hwdef-Sofirn_SP10S.h index 0ee3332..5760037 100644 --- a/hwdef-Sofirn_SP10S.h +++ b/hwdef-Sofirn_SP10S.h @@ -83,8 +83,8 @@ 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 @@ -113,9 +113,15 @@ inline void hwdef_setup() { 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.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP2EN_bm | TCA_SINGLE_WGMODE_DSBOTTOM_gc; TCA0.SINGLE.PER = 255; TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm; } |