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static inline int led_gamma(int i){
if (i<0) return 0;
if (i>255) return 255;
return (i*i)>>8;
}
#ifdef IMPL
static u8 led_state_2=0;
u8 led_ram[9][8];
static u8 led_state=0;
/*
void led_init(void) {
#ifndef EMU
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_1);
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_2);
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_3);
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_4);
#ifdef NEW_PINOUT
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3);
#else
HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_2);
#endif
HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_3);
HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_4);
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_2);
#endif
}
*/
#define P1 TIM1->CCR1
#define P2 TIM1->CCR2
#define P3 TIM1->CCR3
#define P4 TIM1->CCR4
#define P5 TIM4->CCR2
#define P6 TIM4->CCR3
#define P7 TIM2->CCR3
#define P8 TIM2->CCR4
//const uint32_t* pwmout[] = {P1, P2, P3, P4, P5, P6, P7, P8};
#define N1 2
#define N2 5
#define N3 7
#define N4 0
#define N5 15
#ifndef EMU
volatile uint8_t test_pin = 0;
typedef struct
{
GPIO_TypeDef* gpio;
uint32_t pin;
}pin_t;
const pin_t pintestlist[] =
{
{GPIOD, 2}, //N4
{GPIOD, 5}, //N3
{GPIOD, 7}, //N2
{GPIOD, 0}, //N1
{GPIOD, 15}, //N5
{GPIOE, 9}, //P1
{GPIOA, 9}, //P2
{GPIOA, 10}, //P3
{GPIOE, 14}, //P4
{GPIOD, 13}, //P5
{GPIOD, 14}, //P6
{GPIOA, 2}, //P7
{GPIOA, 3}, //P8
};
#define PINLISTSIZE (sizeof(pintestlist) / sizeof(pin_t))
#endif
/*
void led_update(void) //noise test (failed)
{
uint8_t i;
for (i = 0; i < PINLISTSIZE; i++) //disable all outputs
{
pintestlist[i].gpio->MODER &= ~(0x3<<(pintestlist[i].pin*2));
}
pintestlist[test_pin].gpio->MODER |= 0x1<<(pintestlist[test_pin].pin*2); //set to output
if (pintestlist[test_pin].gpio->ODR & (0x1<<pintestlist[test_pin].pin)) //toggle pin
pintestlist[test_pin].gpio->ODR &= ~(0x1<<pintestlist[test_pin].pin);
else
pintestlist[test_pin].gpio->ODR &= ~(0x1<<pintestlist[test_pin].pin);
test_pin++;
if (test_pin > PINLISTSIZE) //add scan, need to perform test by led
test_pin = 0;
}
// */
/*
* double-edge interleaved mode?
* ___-----____|___-----____|___-----____|___-----____|___-----____| 100% non inverted
* -__________-|-__________-|-__________-|-__________-|-__________-| 20% inverted
* _____-______|_____-______|_____-______|_____-______|_____-______| 20% norm
* ---_____----|---_____----|---_____----|---_____----|---_____----| 100% inverted
*
#define P1 TIM1->CCR1
#define P2 TIM1->CCR2
#define P3 TIM1->CCR3
#define P4 TIM1->CCR4
#define P5 TIM4->CCR2
#define P6 TIM2->CCR2
#define P7 TIM2->CCR3
#define P8 TIM2->CCR4
*/
#ifndef EMU
#include "core_cm4.h"
#endif
void led_init(void)
{
#ifndef EMU
TIM1->CR1 = 0; //reset all
TIM2->CR1 = 0;
TIM4->CR1 = 0;
TIM1->CR1 = TIM_CR1_CMS_0; //center aligned mode
TIM2->CR1 = TIM_CR1_CMS_0;
TIM4->CR1 = TIM_CR1_CMS_0;
TIM1->ARR = 512; //reload
TIM2->ARR = 512;
TIM4->ARR = 512;
TIM1->CCMR1 = 0x00007060; // 1 2 <-set mode to PWM positive or negative
TIM1->CCMR2 = 0x00007060; // 3 4
TIM1->BDTR = 0x00008000; //no breaks! (TIM1 got outputs protection HiZ state by default)
TIM4->CCMR1 = 0x00006000; // 2
TIM4->CCMR2 = 0x00000070; // 3
TIM2->CCMR1 = 0x00000000; // -
TIM2->CCMR2 = 0x00007060; // 3 4
TIM1->CCER = 0x00001111; // enable PWM outputs
TIM4->CCER = 0x00000110;
TIM2->CCER = 0x00001100;
__disable_irq();
TIM1->CR1 |= TIM_CR1_CEN; //start! all timers must be in sync to prevent current spikes
TIM4->CR1 |= TIM_CR1_CEN;
TIM2->CR1 |= TIM_CR1_CEN;
__enable_irq();
#endif
}
// u8 led_ram2[9][8] = {0};
void led_update(void)
{
#ifndef EMU
//uint8_t i;
GPIOD->MODER &= ~((3<<(N1*2))+(3<<(N2*2))+(3<<(N3*2))+(3<<(N4*2))+(3<<(N5*2))); //disable all outputs
const static unsigned int nbits[5]={(1<<(N4*2)),(1<<(N3*2)),(1<<(N2*2)),(1<<(N1*2)),(1<<(N5*2))};
const uint8_t* leds = led_ram[led_state];
if (led_state & 1)
{
GPIOD->BSRR = ((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5))<<16; //activation by low value
P1 = leds[0];
P2 = leds[1] ^ 0x1FF;
P3 = leds[2];
P4 = leds[3] ^ 0x1FF;
P5 = leds[4];
P6 = leds[5] ^ 0x1FF;
P7 = leds[6];
P8 = leds[7] ^ 0x1FF;
}
else
{
GPIOD->BSRR = ((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5)); //activation by high value
P1 = leds[0] ^ 0x1FF;
P2 = leds[1];
P3 = leds[2] ^ 0x1FF;
P4 = leds[3];
P5 = leds[4] ^ 0x1FF;
P6 = leds[5];
P7 = leds[6] ^ 0x1FF;
P8 = leds[7];
}
//TIM1->EGR |= TIM_EGR_UG; //apply PWM state right now
//TIM2->EGR |= TIM_EGR_UG; //CCR unbuffered mode
//TIM4->EGR |= TIM_EGR_UG;
GPIOD->MODER |= nbits[led_state>>1]; //activate row
#else
if (led_state < 9) {
const u8* leds = led_ram[led_state];
extern u8 emuleds[9][8];
for (int i = 0; i < 8; ++i) emuleds[led_state][i] = leds[i];
}
#endif
led_state++;
if (led_state>9)
led_state=0;
}
/*
void led_update(void) {
#define N1 2
#define N2 5
#define N3 7
#ifdef NEW_PINOUT
#define N4 0
#else
#define N4 14
#endif
#define N5 15
#ifndef EMU
GPIOD->MODER &= ~((3<<(N1*2))+(3<<(N2*2))+(3<<(N3*2))+(3<<(N4*2))+(3<<(N5*2))); // all inputs
#endif
const static u8 led_state_remap[11]={0,2,4,6,8+128,8,1,3,5,7,0+128}; // bmp b D000XXXX D - don't enable
u8 led_state=led_state_remap[led_state_2++];
u8 dont_enable_leds = led_state & 128; //extract enable
led_state&=127; //delete enable (&0x7F)
if (led_state_2==11) led_state_2=0; //round
int x=led_state; //to position
#ifndef EMU
if (x < 8) x ^= 7; // //why? data: 7,5,3,1,8+,8,6,4,2,0,7+ position and disabling
const u8* leds = led_ram[x]; // + + + + + + + <inverted
// for (int i=0;i<8;++i) led_ram[x][i]=255;// force leds on 3 2 1 0 4 4 3 2 1 0 3 <nbits
const static unsigned int nbits[5]={(1<<(N1*2)),(1<<(N2*2)),(1<<(N3*2)),(1<<(N4*2)),(1<<(N5*2))}; // particular output of 5
unsigned char xor=0;
if (led_state&9) {
//GPIOD->ODR |= ((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5)); //set all
GPIOD->BSRR = ((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5)); //set all
xor=255;
} else
//GPIOD->ODR &= ~((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5)); //reset all
GPIOD->BSRR = ((1<<N1)+(1<<N2)+(1<<N3)+(1<<N4)+(1<<N5))<<16; //reset all
__HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_1 , leds[0]^xor);
__HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_2 , leds[1]^xor);
__HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_3 , leds[2]^xor);
__HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_4 , leds[3]^xor);
__HAL_TIM_SET_COMPARE(&htim4,TIM_CHANNEL_2 , leds[4]^xor);
#ifdef NEW_PINOUT
__HAL_TIM_SET_COMPARE(&htim4,TIM_CHANNEL_3, leds[5]^xor);
#else
__HAL_TIM_SET_COMPARE(&htim2, TIM_CHANNEL_2, leds[5] ^ xor);
#endif
__HAL_TIM_SET_COMPARE(&htim2,TIM_CHANNEL_3 , leds[6]^xor);
__HAL_TIM_SET_COMPARE(&htim2,TIM_CHANNEL_4 , leds[7]^xor);
if (!dont_enable_leds)
GPIOD->MODER|=nbits[led_state/2];
#else
const u8* leds = led_ram[x];
extern u8 emuleds[9][8];
for (int i=0;i<8;++i) emuleds[led_state][i]=leds[i];
#endif
}
// */
#endif
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