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| author | Selene ToyKeeper | 2021-09-19 21:26:24 -0600 |
|---|---|---|
| committer | Selene ToyKeeper | 2021-09-19 21:26:24 -0600 |
| commit | f98736fe179a8ea26bfd44494a23db16ac4099bb (patch) | |
| tree | 266bad0f063dce3b467e4393a08d594a314f5b0c /hwdef-gchart-fet1-t1616.h | |
| parent | clarified where brightness level comes from in beacon/sos/momentary modes (diff) | |
| parent | SP10 Pro: use dynamic PWM, add hidden firefly, adjust candle amplitude, and t... (diff) | |
| download | anduril-f98736fe179a8ea26bfd44494a23db16ac4099bb.tar.gz anduril-f98736fe179a8ea26bfd44494a23db16ac4099bb.tar.bz2 anduril-f98736fe179a8ea26bfd44494a23db16ac4099bb.zip | |
merged gchart's SP10 Pro branch
(minus the change to version.h)
Diffstat (limited to 'hwdef-gchart-fet1-t1616.h')
| -rw-r--r-- | hwdef-gchart-fet1-t1616.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/hwdef-gchart-fet1-t1616.h b/hwdef-gchart-fet1-t1616.h index 365ecd7..2435b99 100644 --- a/hwdef-gchart-fet1-t1616.h +++ b/hwdef-gchart-fet1-t1616.h @@ -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 10 MHz instead of the default 3.33 MHz + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm ); //VPORTA.DIR = 0b00000010; VPORTB.DIR = PIN0_bm | PIN1_bm | PIN3_bm; @@ -90,11 +90,14 @@ inline void hwdef_setup() { PORTC.PIN3CTRL = PORT_PULLUPEN_bm; // 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; + // 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 + TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP1EN_bm | TCA_SINGLE_WGMODE_DSBOTTOM_gc; TCA0.SINGLE.PER = 255; TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm; } |