Added more RGBLED programs, ADC fixups
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aa52d57149
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@ -0,0 +1,20 @@
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/*
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* rand.c: good enough for flashing led bits
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*
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* file creation: 20231031 0506
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*/
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#ifndef _INC_RAND_H
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#define _INC_RAND_H
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#include <stdint.h>
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void rand_init(uint32_t init);
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uint32_t rand();
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#endif /* _INC_RAND_H */
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31
src/adc.c
31
src/adc.c
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@ -56,27 +56,28 @@ static uint8_t calibrate = 0;
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void adc_init()
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{
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// ensure ADC is disabled
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// ensure ADC is DISABLED to write to registers
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// this is opposite of what the RM says... the RM is wrong
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ADC1->CR = 0;
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// calibration configuration
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ADC1->CCSR = LL_ADC_CAL_SAMPLINGTIME_8CYCLES | ADC_CCSR_CALSEL;
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// enable VREFINT
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ADC->CCR = ADC_CCR_VREFEN; // ADC_CCR_TSEN |
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// configure scan channels, sampling time (11 = temp, 12 = vrefint)
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ADC1->CHSELR = CONF_SET1_AN | PROBE_AN | // note: SET1 and VREFEXT are
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CONF_MODE_AN | CONF_SET0_AN | // shared and reflect one chan
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ADC_CHSELR_CHSEL12;
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ADC1->SMPR = SAMPLE_TIME;
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// enable end of conversion interrupt
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ADC1->IER = ADC_IER_EOCIE;
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// run in one-shot mode (all channel conversion per trigger)
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// with wait mode (anti-overrun) active
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ADC1->CFGR1 = ADC_CFGR1_OVRMOD | ADC_CFGR1_WAIT;
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// enable end of conversion interrupt
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ADC1->IER = ADC_IER_EOCIE;
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// configure scan channels, sampling time (11 = temp, 12 = vrefint)
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ADC1->SMPR = SAMPLE_TIME;
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ADC1->CHSELR = CONF_SET1_AN | PROBE_AN | // note: SET1 and VREFEXT are
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CONF_MODE_AN | CONF_SET0_AN | // shared and reflect one chan
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ADC_CHSELR_CHSEL12;
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// calibration configuration
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ADC1->CCSR = LL_ADC_CAL_SAMPLINGTIME_8CYCLES | ADC_CCSR_CALSEL;
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// and enable the interrupt source in the NVIC
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NVIC_EnableIRQ(ADC_COMP_IRQn);
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@ -103,12 +104,10 @@ void adc_go()
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adc_stop();
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// restart sequence
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adc_seq = 0;
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// enable and start ADC
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ADC1->CR = ADC_CR_ADEN; // enable ADC
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adc_seq = 0; // reset channel read sequence
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ADC1->ISR = 0x1e; // clear all interrupt flags (per DS; mistranslated)
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ADC1->CR = ADC_CR_ADEN;
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ADC1->CR |= ADC_CR_ADSTART;
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ADC1->CR = ADC_CR_ADSTART | ADC_CR_ADEN; // begin conversion
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}
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/*
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@ -1,6 +1,9 @@
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/*
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* led.c: rgbled (and piezo) routines
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*
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* LED functions expect 11-bit values (0-2047).
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* Actual output is right shifted by one and clamped 0-999.
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*
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* file creation: 20231015 0037
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*/
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@ -47,9 +50,9 @@ void led_next()
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if (!led_sel || (led_mode == MODE_RGB)) {
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// set PWMs in RGB mode, or when right LED set
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PWM_RGB_R = (rgb[led_sel][RED] >> 1) + (rgb[led_sel][RED] >> 2); // 75%
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PWM_RGB_G = (rgb[led_sel][GRN] >> 2) + (rgb[led_sel][GRN] >> 3); // 62%
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PWM_RGB_B = (rgb[led_sel][BLU] ) + (rgb[led_sel][BLU] << 2); // 125%
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PWM_RGB_R = (rgb[led_sel][RED] >> 2) + (rgb[led_sel][RED] >> 3); // 75%
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PWM_RGB_G = (rgb[led_sel][GRN] >> 2) + (rgb[led_sel][GRN] >> 4); // 62%
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PWM_RGB_B = (rgb[led_sel][BLU] >> 1); // 100%
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} else {
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// clear PWMs in piezo mode when piezo should be active
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PWM_RGB_R = PWM_RGB_G = PWM_RGB_B = 0;
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27
src/main.c
27
src/main.c
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@ -10,11 +10,16 @@
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#include "testo.h"
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#include "adc.h"
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#include "flash.h"
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#include "led.h"
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#include "probe.h"
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#include "userio.h"
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#include "led.h"
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#include "rgbprog.h"
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#include "rand.h"
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#include "flash.h"
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uint16_t ctr;
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@ -71,6 +76,8 @@ static inline void clk_init()
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LL_IOP_GRP1_PERIPH_GPIOB |
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LL_IOP_GRP1_PERIPH_GPIOF;
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RCC->AHBENR |= LL_AHB1_GRP1_PERIPH_CRC;
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RCC->APBENR1 = LL_APB1_GRP1_PERIPH_TIM3;
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RCC->APBENR2 = LL_APB1_GRP2_PERIPH_ADC1;
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}
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@ -110,7 +117,9 @@ int main()
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while (1) {
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// run LED programs out of interrupt context at 256Hz
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if ((ctr & 0xf) == 0) {
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if (userio_get_mode() == MODE_FUN) {
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rgbprog_run();
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}
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}
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// nap time
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@ -122,7 +131,7 @@ int main()
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* main application interrupt
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*/
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__attribute__ ((long_call, section(".ramfunc"))) void SysTick_Handler(void)
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void SysTick_Handler(void)
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{
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uint16_t cs;
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@ -142,13 +151,6 @@ __attribute__ ((long_call, section(".ramfunc"))) void SysTick_Handler(void)
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// shifted counter for use in the program
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cs = ctr >> 2;
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// run LED program (if in LED mode) at 256Hz
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if (!(cs & 0x3)) {
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if (userio_get_mode() == MODE_FUN) {
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rgbprog_run();
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}
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}
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// adc tested to result in about 61 reads/second
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if (!adc_next()) {
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// adc has new computed results
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@ -156,6 +158,9 @@ __attribute__ ((long_call, section(".ramfunc"))) void SysTick_Handler(void)
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// figure out knobs, buttons, switches
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userio_parse();
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// initialize randomness
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rand_init((knob[0] << 8) | knob[1]);
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// show probe measurement results, or if not in a measurement mode,
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// run RGBLED program
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probe_measure();
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@ -71,7 +71,7 @@ static inline void probe_measure_cont()
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// indicate continuity
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if (x >= 2420) latch--; // hysteresis
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led_setrgb(0, 0, 200, ((buzzer) ? 500 : 0));
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led_setrgb(0, 0, 250, ((buzzer) ? 100 : 0));
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led_buzz(0);
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if (buzzer) led_buzz(1);
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} else {
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@ -0,0 +1,31 @@
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/*
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* rand.c: good enough for flashing led bits
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*
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* file creation: 20231031 0501
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*/
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#include "py32f0xx_conf.h"
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uint8_t done = 0;
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void rand_init(uint32_t init)
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{
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if (done) return;
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CRC->CR = CRC_CR_RESET;
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while (CRC->CR & CRC_CR_RESET);
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CRC->DR = init;
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done = 1;
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}
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uint32_t rand()
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{
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CRC->DR = 1;
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return CRC->DR;
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}
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337
src/rgbprog.c
337
src/rgbprog.c
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@ -1,37 +1,106 @@
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/*
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* rgbprog.c: making your eyes light up
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*
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* program notes:
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* knob[0] is the left knob, 0-255.
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* there are 8 programs selected by the knob[0] position.
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*
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* k0 passed to rgb programs is the 5 bits of position
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* of the knob[0] value for the selected program.
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* these can be used within the program.
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*
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* knob[1] is the right knob, 0-255.
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*
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* raw knob values can be read from adc_avg[ADC_SET0] (left)
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* and adc_avg[ADC_SET1] (right).
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*
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* raw values are safe to use from the left knob,
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* but will vary on the right knob depending on board version.
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* thus it is recommended to only use the 8-bit smoothed
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* value for the right knob.
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*
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* file creation: 20231015 0119
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*/
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#include "led.h"
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#include "hsv2rgb.h"
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#include "rand.h"
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#include "userio.h"
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void rgbprog_rainbow();
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void rgbprog_rainbow_offset();
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#define hsv2rgb(idx, h, s, v) hsv2rgb_8b(h, s, v, &rgb[idx].r, &rgb[idx].g, &rgb[idx].b)
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static void (*proglist[8])(void) = {
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void rgbprog_rainbow(uint8_t k0);
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void rgbprog_rainbow_offset(uint8_t k0);
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void rgbprog_static(uint8_t k0);
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void rgbprog_flicker(uint8_t k0);
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void rgbprog_randcolorfadebetween(uint8_t k0);
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void rgbprog_randcolor(uint8_t k0);
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void rgbprog_randcolorfadeinout(uint8_t k0);
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void rgbprog_prog7(uint8_t k0);
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static void (*proglist[8])(uint8_t) = {
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rgbprog_rainbow,
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rgbprog_rainbow_offset,
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rgbprog_static,
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rgbprog_flicker,
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rgbprog_randcolorfadebetween,
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rgbprog_randcolor,
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rgbprog_randcolorfadeinout,
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rgbprog_prog7
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};
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static uint8_t prog_active;
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static uint8_t prog_next;
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static uint8_t prog_cntr;
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static uint16_t brightness = 0;
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static uint16_t brite = 0;
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static color_hsv hsv[2];
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static color_rgb rgb[2];
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static color_rgb rfade;
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void rgb_setled(uint8_t ledidx, color_rgb *rgb)
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{
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led_setrgb(ledidx, rgb->r << brite, rgb->g << brite, rgb->b << brite);
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}
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void rgb_fromhsv(uint8_t ledidx, uint16_t h, uint8_t s, uint8_t v)
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{
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hsv2rgb_8b(h, s, v, &rgb[ledidx].r, &rgb[ledidx].g, &rgb[ledidx].b);
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}
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void rgb_fade(uint8_t fade)
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{
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uint8_t i;
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uint16_t mod, invmod;
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uint8_t *rf = (uint8_t *)&rfade;
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uint8_t *r[2] = { (uint8_t *)&rgb[0], (uint8_t *)&rgb[1] };
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mod = fade + 1;
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invmod = (255 - fade) + 1;
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for (i = 0; i < 3; i++) {
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if (!fade) {
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rf[i] = r[0][i];
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continue;
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}
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if (fade == 0xff) {
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rf[i] = r[1][i];
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continue;
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}
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rf[i] = ((r[0][i] * invmod) >> 8) + ((r[1][i] * mod) >> 8);
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}
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}
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void rgbprog_run()
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{
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uint32_t i;
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@ -39,8 +108,8 @@ void rgbprog_run()
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// if the button has been pushed, change the brightness
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if (userio_get_btn() > 0) {
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brightness++;
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if (brightness > 2) brightness = 0;
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brite++;
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brite &= 0x3;
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}
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// which program to run?
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@ -48,7 +117,7 @@ void rgbprog_run()
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for (i = 32; i <= 256; i += 32) {
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if (knob[0] < i) {
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if (proglist[j]) {
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proglist[j]();
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proglist[j](knob[0] & 0x1f);
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}
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break;
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}
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@ -56,7 +125,12 @@ void rgbprog_run()
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}
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}
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void rgbprog_rainbow()
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/*
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* program 0: rainbow program
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*
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* both eyes are set to same rgb rainbow pattern
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*/
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void rgbprog_rainbow(uint8_t k0)
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{
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int16_t w;
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@ -68,34 +142,251 @@ void rgbprog_rainbow()
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if (hsv[0].h < 0) hsv[0].h += 0x3000;
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hsv[0].h %= 0x3000;
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hsv2rgb_8b(hsv[0].h >> 3, 255, 255, &rgb[0].r, &rgb[0].g, &rgb[0].b);
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led_setrgb(0, rgb[0].r << brightness, rgb[0].g << brightness, rgb[0].b << brightness);
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led_setrgb(1, rgb[0].r << brightness, rgb[0].g << brightness, rgb[0].b << brightness);
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hsv2rgb(0, hsv[0].h >> 3, 255, 255);
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rgb_setled(0, &rgb[0]);
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rgb_setled(1, &rgb[0]);
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}
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void rgbprog_rainbow_offset()
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/*
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* program 1: rainbow program
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*
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* both eyes are set to rgb rainbow pattern,
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* with offset between the eyes
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*/
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void rgbprog_rainbow_offset(uint8_t k0)
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{
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rgbprog_rainbow();
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rgbprog_rainbow(k0);
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hsv[1].h = hsv[0].h;
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hsv[1].h += (knob[0] - 32) << 6;
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hsv[1].h += k0 << 6;
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hsv[1].h %= 0x3000;
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hsv2rgb_8b(hsv[1].h >> 3, 255, 255, &rgb[0].r, &rgb[0].g, &rgb[0].b);
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led_setrgb(1, rgb[0].r << brightness, rgb[0].g << brightness, rgb[0].b << brightness);
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hsv2rgb(1, hsv[1].h >> 3, 255, 255);
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rgb_setled(1, &rgb[1]);
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}
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void rgbprog_randcolorfade()
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/*
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* program 2: static color
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*
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* both eyes are set to a static color
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*
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* left knob adjusts saturation
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* right knob adjusts color hue
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*/
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void rgbprog_static(uint8_t k0)
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{
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hsv[0].h = knob[1] * 6;
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hsv2rgb(0, hsv[0].h, 131 + (k0 << 2), 255);
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rgb_setled(0, &rgb[0]);
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rgb_setled(1, &rgb[0]);
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}
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void rgbprog_randcolorfade_single()
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/*
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* program 3: flicker
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*
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* both eyes are set to a static flickering color
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* left knob adjusts flicker level
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* right knob adjusts color hue
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*/
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void rgbprog_flicker(uint8_t k0)
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{
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uint8_t i;
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uint8_t val;
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// operate only 1/4 of the time
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hsv[0].s++;
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hsv[0].s &= 3;
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if (hsv[0].s) return;
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hsv[0].h = knob[1] * 6;
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// independent flicker for each eye
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for (i = 0; i < 2; i++) {
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// left knob sets flicker
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if ((rand() & 0xff) > (k0 << 3)) {
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// full bright
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val = 0xff;
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} else {
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// flicker
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val = 0x2f;
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}
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void rgbprog_randcolorfade_dual()
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hsv2rgb(i, hsv[0].h, 255, val);
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rgb_setled(i, &rgb[i]);
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}
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}
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/*
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* program 4: random fade between colors
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*
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* linear fade between two random colors
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*/
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void rgbprog_randcolorfadebetween(uint8_t k0)
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{
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int16_t w;
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// set delay based on left knob
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hsv[0].s++;
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if (hsv[0].s > (k0 >> 1)) hsv[0].s = 0;
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if (hsv[0].s) return;
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// update new colors at the end of every fade
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hsv[0].v += 3;
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if (hsv[0].v <= 2) {
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// set new initial colors
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hsv[0].h = hsv[1].h;
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hsv[1].h = rand() % 1536;
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// clamp discrete colors to 64
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w = 4 * 6;
|
||||
hsv[1].h /= w;
|
||||
hsv[1].h *= w;
|
||||
|
||||
hsv2rgb(0, hsv[0].h, 255, 255);
|
||||
hsv2rgb(1, hsv[1].h, 255, 255);
|
||||
}
|
||||
|
||||
// do the fade
|
||||
rgb_fade(hsv[0].v);
|
||||
// and output the result
|
||||
rgb_setled(0, &rfade);
|
||||
rgb_setled(1, &rfade);
|
||||
}
|
||||
|
||||
/*
|
||||
* program 5:
|
||||
*
|
||||
* change between two random colors
|
||||
*
|
||||
* left knob sets single color or dual color
|
||||
* right knob sets speed
|
||||
*/
|
||||
void rgbprog_randcolor(uint8_t k0)
|
||||
{
|
||||
// set delay based on right knob
|
||||
hsv[1].h += knob[1];
|
||||
hsv[1].h++;
|
||||
if (hsv[1].h >= 0x1000) { // 1/16 rate
|
||||
hsv[1].h -= 0x1000;
|
||||
|
||||
// update time
|
||||
hsv[0].h = rand() % 1536;
|
||||
hsv2rgb(0, hsv[0].h, 255, 255);
|
||||
|
||||
if (k0 >= 16) {
|
||||
rgb_setled(rand() & 1, &rgb[0]);
|
||||
} else {
|
||||
rgb_setled(0, &rgb[0]);
|
||||
rgb_setled(1, &rgb[0]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* program 6:
|
||||
*
|
||||
* fade up into a random color, hold, then fade out
|
||||
*
|
||||
* left knob sets dwell
|
||||
* right knob sets cycle time
|
||||
*/
|
||||
void rgbprog_randcolorfadeinout(uint8_t k0)
|
||||
{
|
||||
uint16_t w;
|
||||
|
||||
// operate only 1/4 of the time
|
||||
hsv[0].s++;
|
||||
hsv[0].s &= 3;
|
||||
if (hsv[0].s) return;
|
||||
|
||||
// hsv[1].h contains fade counter
|
||||
// hsv[1].s contains dwell counter
|
||||
// hsv[1].v contains our state
|
||||
hsv[1].v &= 0x3;
|
||||
|
||||
switch (hsv[1].v) {
|
||||
case 0:
|
||||
case 2: {
|
||||
// ramp up/down
|
||||
|
||||
// first run or new run?
|
||||
if (!hsv[1].h) {
|
||||
// set a new hue
|
||||
hsv[0].h = rand() % 1536;
|
||||
}
|
||||
|
||||
// fade up or down
|
||||
hsv[1].h += (knob[1]);
|
||||
hsv[1].h++;
|
||||
|
||||
// clamp value
|
||||
if (hsv[1].h > 0x7ff) {
|
||||
hsv[1].h = 0x7ff;
|
||||
}
|
||||
|
||||
// set output
|
||||
w = hsv[1].v ? (0x7ff - hsv[1].h) : hsv[1].h;
|
||||
w >>= 3;
|
||||
|
||||
hsv2rgb(0, hsv[0].h, 255, (w & 0xff));
|
||||
|
||||
// are we done?
|
||||
if (hsv[1].h == 0x7ff) {
|
||||
hsv[1].h = 0;
|
||||
hsv[1].v++;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case 1:
|
||||
case 3: {
|
||||
// hold
|
||||
|
||||
// just getting to this step?
|
||||
if (!hsv[1].h) {
|
||||
// initialize step
|
||||
hsv[1].h++;
|
||||
hsv[1].s = 0;
|
||||
} else {
|
||||
// delay here
|
||||
w = hsv[1].s;
|
||||
w += k0;
|
||||
w++;
|
||||
|
||||
// are we done?
|
||||
if (w > 0x100) {
|
||||
if (hsv[1].v == 3) {
|
||||
hsv[1].h = 0;
|
||||
}
|
||||
|
||||
hsv[1].v++;
|
||||
} else {
|
||||
hsv[1].s = w & 0xff;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
rgb_setled(0, &rgb[0]);
|
||||
rgb_setled(1, &rgb[0]);
|
||||
}
|
||||
|
||||
/*
|
||||
* program 7:
|
||||
*
|
||||
* turns LEDs off.
|
||||
*
|
||||
* it's basically an empty program.
|
||||
* if you want to write your own, do it here
|
||||
*
|
||||
* maybe you could write a smart morse generator,
|
||||
* or a cop mode, or...
|
||||
*/
|
||||
void rgbprog_prog7(uint8_t k0)
|
||||
{
|
||||
rgb[0].r = rgb[0].g = rgb[0].b = 0;
|
||||
rgb_setled(0, &rgb[0]);
|
||||
rgb_setled(1, &rgb[0]);
|
||||
}
|
||||
|
|
@ -120,7 +120,7 @@ void SystemInit(void)
|
|||
/* Configure the Vector Table location add offset address ------------------*/
|
||||
#ifdef VECT_TAB_SRAM
|
||||
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
|
||||
#else
|
||||
#elif !BOOTLOADED
|
||||
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
|
||||
#endif
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue