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  • Committer: Selene ToyKeeper
  • Date: 2023-04-15 00:01:03 UTC
  • mto: (483.1.175 anduril2)
  • mto: This revision was merged to the branch mainline in revision 491.
  • Revision ID: bzr@toykeeper.net-20230415000103-iz1pfn2ephnkeeeo
LT1S Pro: added dynamic PWM (much better low modes!)

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ToyKeeper/hwdef-Sofirn_LT1S-Pro.h
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#define HWDEF_C_FILE hwdef-Sofirn_LT1S-Pro.c
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#ifdef ATTINY
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#undef ATTINY
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#endif
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#define ATTINY 1616
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#include <avr/io.h>
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// TODO: blend mode should enable this automatically?
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#define USE_CHANNEL_MODE_ARGS
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// TODO: or maybe if args are defined, the USE_ should be auto-set?
 
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// 128=middle CCT, N/A, N/A, 255=100% red
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#define CHANNEL_MODE_ARGS 128,0,0,255
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#define SET_LEVEL_MODES      set_level_2ch_blend, \
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                             set_level_auto_3ch_blend, \
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                             set_level_1ch, \
 
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#define SET_LEVEL_MODES      set_level_2ch_dyn_blend, \
 
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                             set_level_auto_3ch_dyn_blend, \
 
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                             set_level_1ch_dyn, \
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                             set_level_red_white_blend
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// TODO: gradual ticking for thermal regulation
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#define GRADUAL_TICK_MODES   gradual_tick_2ch_blend, \
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                             gradual_tick_auto_3ch_blend, \
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                             gradual_tick_1ch, \
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                             gradual_tick_red_white_blend
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// can use some of the common handlers
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#define USE_SET_LEVEL_2CH_BLEND
 
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// can use some of the common handlers?
 
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//#define USE_SET_LEVEL_2CH_BLEND
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//#define USE_SET_LEVEL_AUTO_3CH_BLEND
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#define USE_SET_LEVEL_1CH
 
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//#define USE_SET_LEVEL_1CH
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//#define USE_SET_LEVEL_RED_WHITE_BLEND
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// TODO:
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//#define USE_GRADUAL_TICK_2CH_BLEND
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#define SWITCH_INTFLG  VPORTA.INTFLAGS
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// dynamic PWM
 
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// PWM parameters of all channels are tied together because they share a counter
 
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#define PWM_TOP_INIT 511  // highest value used in the top half of the ramp
 
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#define PWM_TOP TCA0.SINGLE.PERBUF   // holds the TOP value for for variable-resolution PWM
 
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#define PWM_CNT TCA0.SINGLE.CNT   // for resetting phase after each TOP adjustment
 
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// warm tint channel
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#define WARM_PWM_PIN PB0
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#define WARM_PWM_LVL TCA0.SINGLE.CMP0  // CMP1 is the output compare register for PB0
 
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//#define WARM_PWM_PIN PB0
 
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#define WARM_PWM_LVL TCA0.SINGLE.CMP0BUF  // CMP1 is the output compare register for PB0
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// cold tint channel
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#define COOL_PWM_PIN PB1
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#define COOL_PWM_LVL TCA0.SINGLE.CMP1  // CMP0 is the output compare register for PB1
 
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//#define COOL_PWM_PIN PB1
 
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#define COOL_PWM_LVL TCA0.SINGLE.CMP1BUF  // CMP0 is the output compare register for PB1
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// red channel
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#define RED_PWM_PIN PB0                //
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#define RED_PWM_LVL TCA0.SINGLE.CMP2   // CMP2 is the output compare register for PB2
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// translate cfg names to FSM names
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#define LOW_PWM_LEVELS  RED_PWM_LEVELS
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#define LOW_PWM_LVL     RED_PWM_LVL
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#define LOW_PWM_PIN     RED_PWM_PIN
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// only using 8-bit on this light
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#define PWM_GET       PWM_GET8
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#define PWM_DATATYPE  uint8_t
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#define BLEND_PWM_DATATYPE  uint8_t
 
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//#define RED_PWM_PIN PB2
 
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#define RED_PWM_LVL TCA0.SINGLE.CMP2BUF   // CMP2 is the output compare register for PB2
 
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// only using 16-bit PWM on this light
 
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#define PWM_BITS 16
 
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#define PWM_GET       PWM_GET16
 
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#define PWM_DATATYPE  uint16_t
 
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#define PWM1_DATATYPE uint16_t
 
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#define PWM_DATATYPE2 uint32_t
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// average drop across diode on this hardware
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// custom channel modes
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void set_level_auto_3ch_blend(uint8_t level);
 
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void set_level_1ch_dyn(uint8_t level);
 
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void set_level_2ch_dyn_blend(uint8_t level);
 
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void set_level_auto_3ch_dyn_blend(uint8_t level);
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void set_level_red_white_blend(uint8_t level);
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    _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm );
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    //VPORTA.DIR = ...;
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    VPORTB.DIR = PIN0_bm | PIN1_bm | PIN2_bm | PIN5_bm;  // Outputs: Aux LED and PWMs
 
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    // Outputs:
 
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    VPORTB.DIR = PIN0_bm   // warm white
 
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               | PIN1_bm   // cool white
 
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               | PIN2_bm   // red
 
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               | PIN5_bm;  // aux LED
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    //VPORTC.DIR = ...;
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    // enable pullups on the unused pins to reduce power
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    PORTC.PIN3CTRL = PORT_PULLUPEN_bm;
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    // set up the PWM
 
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    // https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf
 
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    // PB0 is TCA0:WO0, use TCA_SINGLE_CMP0EN_bm
 
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    // PB1 is TCA0:WO1, use TCA_SINGLE_CMP1EN_bm
 
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    // PB2 is TCA0:WO2, use TCA_SINGLE_CMP2EN_bm
 
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    // For Fast (Single Slope) PWM use TCA_SINGLE_WGMODE_SINGLESLOPE_gc
 
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    // For Phase Correct (Dual Slope) PWM use TCA_SINGLE_WGMODE_DSBOTTOM_gc
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    // TODO: add references to MCU documentation
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    TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP1EN_bm | TCA_SINGLE_CMP2EN_bm | TCA_SINGLE_WGMODE_DSBOTTOM_gc;
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    TCA0.SINGLE.PER = 255;
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    TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;
 
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    TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm
 
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                      | TCA_SINGLE_CMP1EN_bm
 
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                      | TCA_SINGLE_CMP2EN_bm
 
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                      | TCA_SINGLE_WGMODE_DSBOTTOM_gc;
 
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    PWM_TOP = PWM_TOP_INIT;
 
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    TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc
 
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                      | TCA_SINGLE_ENABLE_bm;
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}
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