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#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <SN32F260.h>
#include "ch.h"
#include "hal.h"
#include "color.h"
#include "wait.h"
#include "util.h"
#include "matrix.h"
#include "debounce.h"
#include "quantum.h"
#include "SPI.h"
extern void SPI0_Flush(void);
extern void SPI0_Read3(unsigned char b1, unsigned char b2, unsigned char *b3);
#ifdef USE_FRAMEBUFFER
static RGB g_fb[DRIVER_LED_TOTAL];
#endif
#define SDB B0
#define SPI_DELAY() for (int32_t _del = 0; _del < 10; _del++) __NOP();
static int g_cs_pin = 0;
void spi_init(void)
{
SPI0_Init();
SPI0_Enable();
}
void spi_set_cspin(int pin)
{
if (g_cs_pin == pin)
return;
writePinHigh(B2);
setPinOutput(B2);
writePinHigh(B1);
setPinOutput(B1);
g_cs_pin = pin;
}
void spi_read3(unsigned char b1, unsigned char b2, unsigned char *b3)
{
writePinLow(g_cs_pin);
SPI0_Read3(b1, b2, b3);
writePinHigh(g_cs_pin);
}
void spi_write(uint8_t *data_p, int len)
{
writePinLow(g_cs_pin);
SPI0_Write(data_p, len);
SPI0_Flush();
writePinHigh(g_cs_pin);
}
void spi_w2(uint8_t page, uint8_t addr)
{
uint8_t c[2];
c[0] = page | 0x20;
c[1] = addr;
spi_write(c, 2);
}
void spi_w3(uint8_t page, uint8_t addr, uint8_t data)
{
uint8_t c[4];
c[0] = page | 0x20;
c[1] = addr;
c[2] = data;
spi_write(c, 3);
}
void spi_r3(uint8_t page, uint8_t addr, uint8_t *data)
{
uint8_t c[4];
c[0] = page | 0x20;
c[1] = addr;
spi_read3(c[0], c[1], data);
}
/*
* LED index to RGB address
* >100 means it belongs to pin B1 chipselected SN2735 chip, the real addr is minus by 100
*/
#ifdef KEYMAP_ISO
/* ISO */
static const uint8_t g_led_pos[DRIVER_LED_TOTAL] = {
/* 0*/ 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
/*16*/ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 21, 22, 23, 24, 25, 26, 27,
/*37*/ 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 32, 33, 34, 35, 36, 37, 38,
/*58*/ 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 145, 42, 43, 44,
/*74*/ 148, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 161, 49, 51, 52, 53, 54,
/*91*/ 114, 115, 130, 131, 146, 147, 162, 163, 55, 56, 57, 59, 60, 149 /* KC_NUBS */
};
#else
/* ANSI */
static const uint8_t g_led_pos[DRIVER_LED_TOTAL] = {
/* 0*/ 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
/*16*/ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 21, 22, 23, 24, 25, 26, 27,
/*37*/ 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 32, 33, 34, 35, 36, 37, 38,
/*58*/ 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 145, 42, 43, 44,
/*74*/ 148, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 161, 49, 51, 52, 53, 54,
/*91*/ 114, 115, 130, 131, 146, 147, 162, 163, 55, 56, 57, 59, 60
};
#endif
#ifdef USE_FRAMEBUFFER
// B1
static const uint8_t led_b1_map[64] = {
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 91, 92,
37, 38, 39, 40, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 93, 94,
58, 59, 60, 61, 62, 63, 64, 65,
66, 67, 68, 69, 255, 70, 95, 96,
74, 104, 75, 76, 77, 78, 79, 80,
81, 82, 83, 84, 255, 85, 97, 98
};
// B2
static const uint8_t led_b2_map[64] = {
0, 255, 1, 2, 3, 4, 5, 6,
7, 8, 9, 10, 11, 12, 13, 14,
15, 255, 255, 255, 255, 30, 31, 32,
33, 34, 35, 36, 255, 255, 255, 255,
51, 52, 53, 54, 55, 56, 57, 255,
255, 255, 71, 72, 73, 255, 255, 255,
255, 86, 255, 87, 88, 89, 90, 99,
100, 101, 255, 102, 103, 255, 255, 255
};
// #pragma GCC push_options
// #pragma GCC optimize ("-O2")
static void flush_led_fb(int32_t pin, const uint8_t *map)
{
uint8_t block[48];
spi_set_cspin(pin);
writePinHigh(pin);
SPI_DELAY();
writePinLow(pin);
SPI0_Write1(0x21);
SPI0_Write1(0);
int32_t led_idx = 0, i, j;
for (i = 0; i < 4; i++)
{
for (j = 0; j < 16; j++)
{
uint8_t r, g, b;
uint8_t mi = map[led_idx++];
if (mi >= DRIVER_LED_TOTAL)
r = g = b = 0;
else {
RGB *v = &g_fb[mi];
r = v->r;
g = v->g;
b = v->b;
}
block[j] = r;
block[j + 16] = b;
block[j + 32] = g;
}
SPI0_Write(block, 48);
}
writePinHigh(pin);
}
// #pragma GCC pop_options
#else
static void _set_color_direct(int index, uint8_t r, uint8_t g, uint8_t b)
{
int l = g_led_pos[index];
if (l >= 100)
{
l -= 100;
spi_set_cspin(B1);
}
else
spi_set_cspin(B2);
int y = l / 16;
int a = l % 16;
spi_w3(1, y * 48 + a, r); // r
spi_w3(1, y * 48 + a + 2 * 8, b); // b
spi_w3(1, y * 48 + a + 4 * 8, g); // g
}
#endif
void _set_color(int index, uint8_t r, uint8_t g, uint8_t b)
{
#ifdef USE_FRAMEBUFFER
g_fb[index].r = r;
g_fb[index].g = g;
g_fb[index].b = b;
#else
_set_color_direct(index, r, g, b);
#endif
}
void _read_color(int index, uint8_t *r, uint8_t *g, uint8_t *b)
{
int l = g_led_pos[index];
if (l >= 100)
{
l -= 100;
spi_set_cspin(B1);
}
else
spi_set_cspin(B2);
int y = l / 16;
int a = l % 16;
spi_r3(1, y * 48 + a, r); // r
spi_r3(1, y * 48 + a + 2 * 8, b); // b
spi_r3(1, y * 48 + a + 4 * 8, g); // g
}
void reset_rgb(int pin)
{
spi_set_cspin(pin);
spi_w3(3, 0, 0);
spi_w3(3, 0x13, 0xAA);
spi_w3(3, 0x14, 0);
spi_w3(3, 0x15, 4);
spi_w3(3, 0x16, 0xC0);
spi_w3(3, 0x1A, 0);
// set curent
for (int i = 0; i < 12; i++)
{
spi_w3(4, i, 0x80);
}
// led all on
for (int i = 0; i < 192/8; i++)
{
spi_w3(0, i, 0xFF);
}
// turn off pwm
for (int i = 0; i < 192; i++)
{
spi_w3(1, i, 0);
}
// normal mode
spi_w3(3, 0, 1);
}
#ifdef VIA_OPENRGB_HYBRID
extern uint8_t is_orgb_mode;
#endif
void process_backlight(uint8_t devid, volatile LED_TYPE* states)
{
static unsigned char state = 0;
switch (state)
{
case 0: /* init RGB chips */
spi_init();
writePinHigh(SDB);
setPinOutput(SDB);
reset_rgb(B1);
reset_rgb(B2);
state = 1;
break;
case 1:
#ifdef USE_FRAMEBUFFER
#ifdef VIA_OPENRGB_HYBRID
if (!is_orgb_mode) {
rgb_matrix_set_color(78, 255, 255, 255);
rgb_matrix_set_color(45, 255, 255, 255);
rgb_matrix_set_color(59, 255, 255, 255);
}
#endif
flush_led_fb(B1, led_b1_map);
flush_led_fb(B2, led_b2_map);
#endif
break;
}
}
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