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ESP32-HUB75-MatrixPanel-I2S-DMA-icn2053.cpp
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ESP32-HUB75-MatrixPanel-I2S-DMA-icn2053.cpp
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#include <Arduino.h>
#include "ESP32-HUB75-MatrixPanel-I2S-DMA_v2.h"
#include "ESP32-HUB75-MatrixPanel-leddrivers_v2.h"
#define SERIAL_DEBUG
#define offset_prefix dma_buff.all_row_data_cnt
#define offset_suffix (dma_buff.all_row_data_cnt + dma_buff.frame_prefix_cnt)
/***************************************************************************************/
#ifndef NO_CIE1931
#endif
typedef union
{
uint8_t* p8;
uint16_t* p16;
uint32_t* p32;
vbuffer_t* pXX;
}uniptr_t;
// Max clock cycles to blank OE before/after LAT signal change
//enum{CLKS_DURING_LATCH = 0};
//для callback обработчика
MatrixPanel_I2S_DMA* MatrixPanel = NULL;
void MatrixPanel_I2S_DMA::buffersFree()
{
int i;
if (dma_buff.rowBits != NULL)
{
i = dma_buff.all_row_data_cnt + dma_buff.frame_prefix_cnt + dma_buff.frame_suffix_cnt;
while (i > 0)
{
i--;
if (dma_buff.rowBits[i] != NULL)
{
heap_caps_free(dma_buff.rowBits[i]);
}
}
heap_caps_free(dma_buff.rowBits);
}
for(i = m_cfg.double_buff-1; i >= 0; i--)
{
if(frame_buffer.frameBits[i] != NULL)
{
heap_caps_free(frame_buffer.frameBits[i]);
}
}
if (dmadesc_data[0] != NULL)
{
heap_caps_free(dmadesc_data[0]);
}
if (brightness_table != NULL)
{
heap_caps_free(brightness_table);
}
}
#ifdef USE_COLORx16
inline void MatrixPanel_I2S_DMA::getRGBColor16(int offset_y, int offset_x, rgb888_t& rgb888)
{
uint16_t* addr = (uint16_t*)&frame_buffer.frameBits[back_buffer_id^m_cfg.double_buff][offset_y];
color565to888(addr[offset_x], rgb888.r,rgb888.g, rgb888.b);
}
#endif
IRAM_ATTR void MatrixPanel_I2S_DMA::prepareDmaRows(uint8_t row_offset, uint8_t dma_buff_id)
{
rgb888_t pixel888_1;
rgb888_t pixel888_2;
driver_rgb_t pixel1;
driver_rgb_t pixel2;
if (icn2053_clear) return;
row_offset += scroll_y;
for(int row_buf_id = 0; row_buf_id < dma_buff.row_data_cnt; row_buf_id++)
{
//рулонный сдвиг по y
if (row_offset >= rows_per_frame) row_offset -= rows_per_frame;
///смещение в строку видеобуфера
int offset_y = row_offset*frame_buffer.row_len;
//смещения для буфера вывода
int dma_buff_offset = 0;//DRIVER_BITS;
int dma_buff_offset_next = 0;//DRIVER_BITS;
int driver_idx = DRIVER_BITS;
//рулонный сдвиг по x
int offset_x = pixels_per_row + scroll_x - 1;
if (offset_x >= pixels_per_row) offset_x -= pixels_per_row;
//индекс строки в DMA буфере
//дл одиночного буфера dma_buff_id = 0
int row_dma_offset = (dma_buff_id)?(row_buf_id + dma_buff.row_data_cnt):row_buf_id;
int8_t color_bits = dma_buff.color_bits;
for (int i = pixels_per_row; i > 0; i--)
{
switch (color_bits)
{
#ifdef USE_COLORx16
case -16:
getRGBColor16(offset_y, offset_x, pixel888_1);
getRGBColor16(offset_y + (frame_buffer.subframe_len >> 1), offset_x, pixel888_2);
break;
#endif
default:
if (getUserRGB != NULL) getUserRGB(row_offset, offset_x, pixel888_1, pixel888_2);
break;
}
if (negative_panel)
{
pixel888_1.r = ~pixel888_1.r;
pixel888_1.g = ~pixel888_1.g;
pixel888_1.b = ~pixel888_1.b;
pixel888_2.r = ~pixel888_2.r;
pixel888_2.g = ~pixel888_2.g;
pixel888_2.b = ~pixel888_2.b;
}
pixel1.r = brightness_table[pixel888_1.r];
pixel1.g = brightness_table[pixel888_1.g];
pixel1.b = brightness_table[pixel888_1.b];
pixel2.r = brightness_table[pixel888_2.r];
pixel2.g = brightness_table[pixel888_2.g];
pixel2.b = brightness_table[pixel888_2.b];
//вывод пиксела в видеобуфер
ESP32_I2S_DMA_STORAGE_TYPE mask_rgb12;
for (int j = DRIVER_BITS-1; j >= 0; j--)
{
mask_rgb12 = 0;
if (pixel1.r < 0) mask_rgb12 |= BIT_R2; pixel1.r <<= 1;
if (pixel1.g < 0) mask_rgb12 |= BIT_G2; pixel1.g <<= 1;
if (pixel1.b < 0) mask_rgb12 |= BIT_B2; pixel1.b <<= 1;
if (pixel2.r < 0) mask_rgb12 |= BIT_R1; pixel2.r <<= 1;
if (pixel2.g < 0) mask_rgb12 |= BIT_G1; pixel2.g <<= 1;
if (pixel2.b < 0) mask_rgb12 |= BIT_B1; pixel2.b <<= 1;
int offset_dma = dma_buff_offset ^ 1;
dma_buff.rowBits[row_dma_offset][offset_dma] = (dma_buff.rowBits[row_dma_offset][offset_dma] & (~BITMASK_RGB12))|mask_rgb12;
dma_buff_offset++;
}
driver_idx--;
if (driver_idx == 0)
{
driver_idx = DRIVER_BITS;
dma_buff_offset_next += DRIVER_BITS;
dma_buff_offset = dma_buff_offset_next;
}else
{
dma_buff_offset += pixels_per_row + SUBROW_ADD_LEN - DRIVER_BITS;
}
if (offset_x == 0) offset_x = pixels_per_row - 1;
else offset_x--;
}
row_offset--;
}
}
void MatrixPanel_I2S_DMA::panelShowOff()
{
if (m_cfg.driver == ICN2053)
{
//можно проще, но тогда нужно городить еще DMA буфер и переключение на него только для одной команды
waitDmaReady();
icn2053setVSync(false, false);
sendVsync();
waitDmaReady();
icn2053setVSync(false, true);
}else
{
//shift
}
}
void MatrixPanel_I2S_DMA::panelShowOn()
{
if (m_cfg.driver == ICN2053)
{
//можно проще, но тогда нужно городить еще DMA буфер и переключение на него только для одной команды
waitDmaReady();
icn2053setVSync(true, false);
sendVsync();
waitDmaReady();
icn2053setVSync(true, true);
}else
{
//shift
}
}
//подготовка префикса и переключение DMA вывода
IRAM_ATTR void MatrixPanel_I2S_DMA::sendCBVsync()
{
icn2053setReg(driver_cur_reg, (&driver_reg[driver_cur_reg]));
driver_cur_reg++;
if (driver_cur_reg >= ICN2053_REG_CNT) driver_cur_reg = 0;
//префикс на бак-суффикс
dmadesc_ext[ICN2053_EXT_PREFIX].qe.stqe_next = &dmadesc_suffix[cur_suffix_id][prefix_to_suffix];
//закольцовываем бак-суффикс
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].qe.stqe_next = dmadesc_suffix[cur_suffix_id];
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].eof = true;
//меняем cur_suffix_id
cur_suffix_id ^= 1;
//фронт-суффикс на префикс
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].qe.stqe_next = dmadesc_prefix;
//ждем прерывания окончания передачи фронт-суффикса и префикса
dma_int_cnt = -1;
//dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].eof = true;
}
//переключение DMA вывода на строку
IRAM_ATTR void MatrixPanel_I2S_DMA::sendCBRow(uint8_t buff_id)
{
//данные строки на бак-суффикс
dmadesc_ext[ICN2053_EXT_DATA].qe.stqe_next = &dmadesc_suffix[cur_suffix_id][data_to_suffix];
//закольцовываем бак-суффикс
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].qe.stqe_next = dmadesc_suffix[cur_suffix_id];
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].eof = true;
//меняем cur_suffix_id
cur_suffix_id ^= 1;
//фронт-суффикс на данные строки;
dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].qe.stqe_next = dmadesc_data[buff_id];
//ждем прерывания окончания передачи фронт-суффикса и данных строки
dma_int_cnt = -1;
//dmadesc_suffix[cur_suffix_id][desc_suffix_cnt-1].eof = true;
}
//обработчик вывода строк
IRAM_ATTR void MatrixPanel_I2S_DMA::sendCallback()
{
static uint8_t dma_buffer_id = 0;
if (bufferBusy || bufferReady || dma_int_cnt > 0) return;
bufferBusy = true;
dma_int_cnt++;
if (dma_int_cnt > 0)
{
dmadesc_suffix[cur_suffix_id^1][desc_suffix_cnt-1].eof = false;
//dma_int_cnt = 0;
//Serial.print(rows_send_cnt);
if (rows_send_cnt > 0)
{
int row_send_idx = rows_send_cnt-1;
//отправка строк DMA буфера
//m_cfg.double_dma_buff = false;
if (m_cfg.double_dma_buff)
{
//двойной буфер строк
if (rows_send_cnt == rows_per_frame)
{
//готовим первый DMA буфер
prepareDmaRows(row_send_idx, dma_buffer_id);
//выводим первый DMA буфер
sendCBRow(dma_buffer_id);
dma_buffer_id ^= 1;
}else
{
//выводим другой DMA буфер
sendCBRow(dma_buffer_id^1);
}
if (rows_send_cnt > dma_buff.row_data_cnt)
{
//готовим очередной DMA буфер
prepareDmaRows(row_send_idx - dma_buff.row_data_cnt, dma_buffer_id);
dma_buffer_id ^= 1;
}
}else
{
//одиночный буфер строк
//готовим строку
prepareDmaRows(row_send_idx, 0);
//выводим строку
sendCBRow(0);
}
rows_send_cnt -= dma_buff.row_data_cnt;
if (rows_send_cnt <= 0)
{
icn2053_clear = false;
//автовывод изобржения при icn2053_auto_vsync = 1
if (icn2053_auto_vsync) rows_send_cnt = 0;
else rows_send_cnt = -1;
dma_int_cnt = -4; //костыль при DMA_CLOCK > 5Mhz- надо разбираться
}
}else if (rows_send_cnt == 0)
{
//отправка синхры после отправки строк DMA буфера
sendCBVsync();
//Serial.print("*");
rows_send_cnt = -1;
}else
{
//DMA свободен
bufferReady = true;
}
}
bufferBusy= false;
}
//обработчик прерывания от DMA
//разрешается в начале DMA посылки (EOF)
//срабатывает в конце посылки
IRAM_ATTR void icn2053i2sCallback()
{
MatrixPanel->sendCallback();
}
//ожидание готовности DMA
void MatrixPanel_I2S_DMA::waitDmaReady()
{
if (frame_buffer.len == 0) return;
while(!bufferReady)
{
delay(1);
}
}
//вывод VSYNC (комнад и регистров управления драйверами)
void MatrixPanel_I2S_DMA::sendVsync()
{
waitDmaReady();
bufferReady = false; //резервируем DMA
bufferBusy = true; //маскируем обработчик вывода строк
sendCBVsync();
bufferBusy = false;
}
//запуск отправки фрейма в back-буфер драйверов
void MatrixPanel_I2S_DMA::sendFrame(bool waitSend, bool autoVsync)
{
waitDmaReady();
//Serial.print(">");
//Serial.print(m2-m1);Serial.print(" ");
bufferReady = false; //резервируем DMA
dma_int_cnt = 0;
icn2053_auto_vsync = autoVsync;
dmadesc_suffix[cur_suffix_id^1][desc_suffix_cnt-1].eof = true; //разрешаем прерывания
rows_send_cnt = rows_per_frame; //инициализируем счетчик вывода строк
//Serial.print(">");Serial.println(back_buffer_id^1);
if (waitSend) waitDmaReady();
}
//инициализация регистров управления драйверами с очисткой экрана
void MatrixPanel_I2S_DMA::icn2053init()
{
icn2053setVSync(false, true); //запретить вывод изображения
for (int i = 0; i < ICN2053_REG_CNT; i++)
{
sendVsync();
//Serial.println(F("4"));
}
//один буфер драйвера
icn2053_clear= true;
sendFrame();
//второй буфер драйвера
icn2053_clear= true;
sendFrame();
icn2053setVSync(true, true); //разрешить вывод изображения
sendVsync();
}
bool MatrixPanel_I2S_DMA::allocateDMAmemory()
{
/***
* Step 1: Look at the overall DMA capable memory for the DMA FRAMEBUFFER data only (not the DMA linked list descriptors yet)
* and do some pre-checks.
*/
//size_t row_data_buffer_size;
size_t matrix_buffer_size = 0;
size_t subrow_data_len = pixels_per_row + SUBROW_ADD_LEN; //длина подстроки
size_t gamma_table_len = 0;
uint8_t buff_cnt; //общее количество DMA буферов
m_cfg.double_buff &= 1;
m_cfg.double_dma_buff &= 1;
if (m_cfg.driver == ICN2053)
{
//двойной видеобуфер встроен в драйвер матрицы, переключение по V_SYNC c инициализацией одного из регистров
//переключение буфера драйвера матрицы совмещеено с передайче регистров
back_buffer_id = m_cfg.double_buff;
gamma_table_len = BRIGHT_TABLE_SIZE;
//буфер префикса
dma_buff.frame_prefix_len = FRAME_ADD_LEN + ICN2053_PREFIX_START_LEN + pixels_per_row;
dma_buff.frame_prefix_cnt = ICN2053_PREFIX_CNT; //V_SYNC + уствновка регистров
//буфера суффикса
dma_buff.frame_suffix_len = ICN2053_ROW_OE_LEN*rows_per_frame; //*2 - фронт+спад
dma_buff.frame_suffix_cnt = ICN2053_SUFFIX_CNT; //перебор строк
//буфера строк
dma_buff.row_data_len = subrow_data_len*DRIVER_BITS + ROW_ADD_LEN;
//размер первичного видеобуфера и числа строк данных
dma_buff.row_data_cnt = ICN2053_DMA_ROW_BUFF_CNT;
if (dma_buff.row_data_cnt > rows_per_frame) dma_buff.row_data_cnt = rows_per_frame;
dma_buff.color_bits = -m_cfg.color_depth;
//требуется промежуточный видеобуфер без требования DMA
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Color depth id = %d\r\n"), dma_buff.color_bits);
#endif
switch (dma_buff.color_bits)
{
#ifdef USE_COLORx16
case -16:
//двухбайтовое поле
frame_buffer.row_len = (pixels_per_row*2 + VB_SIZE - 1)/VB_SIZE;
frame_buffer.subframe_len = frame_buffer.row_len*m_cfg.mx_height;
frame_buffer.len = frame_buffer.subframe_len;
break;
#endif
default:
//обработка буфера на стороне пользователя
frame_buffer.row_len = 0;
break;
}
//начало вычисления размера общего буфера
buff_cnt = ICN2053_PREFIX_CNT + ICN2053_SUFFIX_CNT;
matrix_buffer_size = (dma_buff.frame_prefix_len*ICN2053_PREFIX_CNT + dma_buff.frame_suffix_cnt*ICN2053_SUFFIX_CNT)*SIZE_DMA_TYPE;
matrix_buffer_size <<= m_cfg.double_dma_buff;
}else if (m_cfg.driver == ICN2038S)
{
Serial.println("Support SHIFT drivers - disabled!");
buffersFree();
return false;
}
dma_buff.all_row_data_cnt = dma_buff.row_data_cnt << m_cfg.double_dma_buff;
buff_cnt += dma_buff.all_row_data_cnt;
matrix_buffer_size += dma_buff.row_data_len*dma_buff.all_row_data_cnt*SIZE_DMA_TYPE + gamma_table_len;
size_t heap_free_size = heap_caps_get_free_size(MALLOC_CAP_DMA);
// 1. Calculate the amount of DMA capable memory that's actually available
#ifdef SERIAL_DEBUG
if (m_cfg.double_dma_buff)
{
Serial.println(F("DOUBLE FRAME BUFFERS / DOUBLE BUFFERING IS ENABLED. DOUBLE THE RAM REQUIRED!"));
}
Serial.println(F("DMA memory blocks available before any malloc's: "));
heap_caps_print_heap_info(MALLOC_CAP_DMA);
Serial.println(F("******************************************************************"));
Serial.printf_P(PSTR("We're going to need %d bytes of SRAM just for the frame buffer(s).\r\n"), matrix_buffer_size);
Serial.printf_P(PSTR("The total amount of DMA capable SRAM memory is %d bytes.\r\n"), heap_free_size);
Serial.printf_P(PSTR("Largest DMA capable SRAM memory block is %d bytes.\r\n"), heap_caps_get_largest_free_block(MALLOC_CAP_DMA));
if (m_cfg.driver == ICN2053)
Serial.println(F("******************************************************************"));
#endif
// Can we potentially fit the framebuffer into the DMA capable memory that's available?
if ( heap_free_size < matrix_buffer_size )
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR
("######### Insufficient memory for requested resolution. Reduce MATRIX_COLOR_DEPTH and try again.\r\n\tAdditional %d bytes of memory required.\r\n\r\n"),
(matrix_buffer_size-heap_caps_get_free_size(MALLOC_CAP_DMA)) );
#endif
return false;
}
dma_buff.rowBits = (ESP32_I2S_DMA_STORAGE_TYPE**)heap_caps_calloc(buff_cnt,sizeof(void*), MALLOC_CAP_32BIT | MALLOC_CAP_DMA);
if (dma_buff.rowBits == NULL)
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("ERROR: Couldn't malloc frameBits ptrs %d! Critical fail.\r\n"), (uint32_t)dma_buff.rowBits);
#endif
return false;
}
size_t data_len = dma_buff.row_data_len;
//выделяем DMA буфер на строки
for (int malloc_num = 0; malloc_num < buff_cnt; malloc_num++)
{
#ifdef SERIAL_DEBUG
Serial.print("Malloc memory for ");
#endif
//тут оптимизация под то, что служебных буферов не более двух
if (malloc_num >= dma_buff.all_row_data_cnt)
{
if (malloc_num < (dma_buff.all_row_data_cnt + dma_buff.frame_prefix_cnt))
{
data_len = dma_buff.frame_prefix_len;
#ifdef SERIAL_DEBUG
Serial.print("Prefix");
#endif
}
else
{
data_len = dma_buff.frame_suffix_len;
#ifdef SERIAL_DEBUG
Serial.print("Suffix");
#endif
}
}else
{
#ifdef SERIAL_DEBUG
Serial.print("Row");
#endif
}
dma_buff.rowBits[malloc_num] = (ESP32_I2S_DMA_STORAGE_TYPE*)heap_caps_calloc(data_len, SIZE_DMA_TYPE, MALLOC_CAP_DMA);
if (dma_buff.rowBits[malloc_num] == NULL)
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR(" - ERROR: Couldn't malloc DMA buffer %d! Critical fail.\r\n"), malloc_num);
#endif
buffersFree();
return false;
}
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR(": %d bytes @ address %u(d) (DMA buffer %d).\r\n"), data_len*SIZE_DMA_TYPE, (uint32_t)dma_buff.rowBits[malloc_num], malloc_num);
#endif
}
//выделяем не DMA первичный буфер для ICN2053
if (frame_buffer.len > 0)
{
for (int frame_id = m_cfg.double_buff; frame_id >= 0; frame_id--)
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Malloc memory for primary framebuffer %d"), frame_id);
#endif
frame_buffer.frameBits[frame_id] = (vbuffer_t*)heap_caps_calloc(1, frame_buffer.len*VB_SIZE, MALLOC_CAP_8BIT);
if (frame_buffer.frameBits[frame_id] == NULL)
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR(" - ERROR: Couldn't malloc frame_buffer! Critical fail.\r\n"));
#endif
buffersFree();
return false;
}
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR(": %d bytes @ address %u(d) (no DMA buffer).\r\n"), frame_buffer.len*VB_SIZE, (uint32_t)frame_buffer.frameBits[frame_id]);
#endif
}
}
if (gamma_table_len > 0)
{
#ifdef SERIAL_DEBUG
Serial.println(PSTR("Malloc memory for gamma-color - 512b"));
#endif
brightness_table = (uint16_t*)heap_caps_calloc(1, gamma_table_len*sizeof(uint16_t), MALLOC_CAP_8BIT);
if (brightness_table == NULL)
{
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR(" - ERROR: Couldn't malloc gamma-color buffer! Critical fail.\r\n"));
#endif
buffersFree();
return false;
}
}
//количество DMA дескрипторов
desc_data_cnt = (dma_buff.row_data_len*SIZE_DMA_TYPE + DMA_MAX-1)/DMA_MAX; //дескрипторов на строку
desc_data_cnt *= dma_buff.row_data_cnt; //дескрипторов на выводимые строки (один буфер)
desc_prefix_cnt = (dma_buff.frame_prefix_len*SIZE_DMA_TYPE + DMA_MAX-1)/DMA_MAX;
desc_prefix_cnt *= dma_buff.frame_prefix_cnt;
desc_suffix_cnt = (dma_buff.frame_suffix_len*SIZE_DMA_TYPE + DMA_MAX-1)/DMA_MAX;
desc_suffix_cnt *= dma_buff.frame_suffix_cnt;
//резервирование DMA дескрипторов
int desc_cnt = desc_suffix_cnt;
int desc_ext_cnt = 0;
if (m_cfg.driver == ICN2053)
{
desc_ext_cnt = ICN2053_DESCEXT_CNT; //точки входа с продолжением адресов строк
desc_cnt *= ICN2053_DSUFFIX_CNT;
}else if (m_cfg.driver == ICN2038)
{
desc_suffix_cnt /= ICN2038_DSUFFIX_CNT; //число дескрипторов на 1 суффикс
}
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Descriptors rows count: %d\r\n"), desc_data_cnt << m_cfg.double_dma_buff);
Serial.printf_P(PSTR("Descriptors prefix count: %d\r\n"), desc_prefix_cnt);
Serial.printf_P(PSTR("Descriptors suffix count: %d\r\n"), desc_cnt);
Serial.printf_P(PSTR("Descriptors ext count: %d\r\n"), desc_ext_cnt);
#endif
desc_cnt += (desc_data_cnt<< m_cfg.double_dma_buff) + desc_prefix_cnt + desc_ext_cnt; //всего дескрипторов
#ifdef SERIAL_DEBUG
//Serial.printf_P(PSTR("All DMA desk count = %d\r\n"),desc_cnt);
#endif
//выделяем общий буфер на дескрипторы
dmadesc_data[0] = (lldesc_t *)heap_caps_calloc(desc_cnt, sizeof(lldesc_t), MALLOC_CAP_DMA);
if(dmadesc_data[0] == NULL)
{
#ifdef SERIAL_DEBUG
Serial.println(("ERROR: Could not malloc descriptors"));
#endif
buffersFree();
return false;
}
size_t _dma_capable_memory_reserved = desc_cnt*sizeof(lldesc_t);
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Descriptors memory reserved: %d\r\n"), _dma_capable_memory_reserved);
#endif
//распределяем дескрипторы
//строк
if (m_cfg.double_dma_buff) dmadesc_data[1] = &dmadesc_data[0][desc_data_cnt]; else dmadesc_data[1] = dmadesc_data[0];
//префикса
if (dma_buff.frame_prefix_cnt > 0)dmadesc_prefix = &dmadesc_data[1][desc_data_cnt]; else dmadesc_prefix = &dmadesc_data[0][0];
//суффиксов
dmadesc_suffix[0] = &dmadesc_prefix[desc_prefix_cnt];
if ((m_cfg.driver == ICN2038)||(m_cfg.driver == ICN2053))
{
dmadesc_suffix[1] = &dmadesc_suffix[0][desc_suffix_cnt];
if (m_cfg.driver == ICN2053)
{
dmadesc_ext = &dmadesc_suffix[1][desc_suffix_cnt];
}
}
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Descriptors data[0] address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_data[0], desc_data_cnt);
Serial.printf_P(PSTR("Descriptors data[1] address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_data[1], desc_data_cnt);
Serial.printf_P(PSTR("Descriptors prefix address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_prefix, desc_prefix_cnt);
Serial.printf_P(PSTR("Descriptors suffix[0] address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_suffix[0], desc_suffix_cnt);
Serial.printf_P(PSTR("Descriptors suffix[1] address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_suffix[1], desc_suffix_cnt);
Serial.printf_P(PSTR("Descriptors ext address: %u(d), count: %d\r\n"), (uint32_t)dmadesc_ext, desc_ext_cnt);
#endif
#ifdef SERIAL_DEBUG
_dma_capable_memory_reserved += matrix_buffer_size;
Serial.println(F("*** ESP32-HUB75-MatrixPanel-I2S-DMA: Memory Allocations Complete ***"));
Serial.printf_P(PSTR("Total DMA memory that was reserved: %dkB,%dB .\r\n"), _dma_capable_memory_reserved/1024, _dma_capable_memory_reserved%1024);
Serial.printf_P(PSTR("Total NODMA memory that was reserved: %dkB,%dB.\r\n"), ((frame_buffer.len+gamma_table_len)*VB_SIZE)/1024, ((frame_buffer.len+gamma_table_len)*VB_SIZE)%1024);
//Serial.printf_P(PSTR("... of which was used for the DMA Linked List(s): %d kB.\r\n"), _dma_linked_list_memory_required/1024);
Serial.printf_P(PSTR("General RAM Available: %d bytes total. Largest free block: %d bytes.\r\n"),
heap_caps_get_free_size(MALLOC_CAP_DEFAULT), heap_caps_get_largest_free_block(MALLOC_CAP_DEFAULT));
#endif
return true;
} // end allocateDMAmemory()
//DMA линковка дескрипторов буфера
lldesc_t* linkDmaDesc(lldesc_t* dmadesc, lldesc_t* previous_dmadesc, int dmadesk_cnt, uint8_t* dma_buffer, int bufer_size, int max_dma_size)
{
size_t dma_size;
while((dmadesk_cnt > 0)&&(bufer_size > 0))
{
dma_size = (bufer_size >= max_dma_size)?max_dma_size:bufer_size;
link_dma_desc(dmadesc, previous_dmadesc, dma_buffer, dma_size);
previous_dmadesc = dmadesc;
dmadesc = &dmadesc[1];
#ifdef SERIAL_DEBUG
//Serial.printf_P(PSTR( "BitFrame %d, DMA desk %d, DMA payload of %d bytes. DMA_MAX is %d.\n"), bitframe, current_dmadescriptor_offset, dma_size, DMA_MAX);
#endif
dma_buffer += dma_size;
bufer_size -= dma_size;
dmadesk_cnt--;
}
return previous_dmadesc;
}
//DMA линковка дескрипторов буферов
lldesc_t* linkDmaDesc_n(lldesc_t* dmadesc, lldesc_t* previous_dmadesc, int single_dmadesk_cnt, uint8_t** dma_buffer, int single_bufer_size, int max_dma_size, int buffers_cnt)
{
int i = 0;
while (i < buffers_cnt)
{
previous_dmadesc = linkDmaDesc(dmadesc, previous_dmadesc, single_dmadesk_cnt, dma_buffer[i], single_bufer_size,max_dma_size);
dmadesc = &previous_dmadesc[1];
i++;
}
return previous_dmadesc;
}
void MatrixPanel_I2S_DMA::configureDMA()
{
#ifdef SERIAL_DEBUG
Serial.println(F("configureDMA(): Starting configuration of DMA engine.\r\n"));
#endif
#ifdef SERIAL_DEBUG
Serial.println("configureDMA(): Link dmadesc_prefix.");
#endif
linkDmaDesc_n(dmadesc_prefix, NULL, desc_prefix_cnt,
(uint8_t**)&dma_buff.rowBits[offset_prefix], dma_buff.frame_prefix_len*SIZE_DMA_TYPE,DMA_MAX, dma_buff.frame_prefix_cnt);
#ifdef SERIAL_DEBUG
Serial.println("configureDMA(): Link dmadesc_suffix.");
#endif
linkDmaDesc_n(dmadesc_suffix[0], NULL, desc_suffix_cnt,
(uint8_t**)&dma_buff.rowBits[offset_suffix], dma_buff.frame_suffix_len*SIZE_DMA_TYPE,DMA_MAX, dma_buff.frame_suffix_cnt);
#ifdef SERIAL_DEBUG
Serial.println("configureDMA(): Link dmadesc_data.");
#endif
linkDmaDesc_n(dmadesc_data[0], NULL, desc_data_cnt,//<<dma_buff.double_buff,
(uint8_t**)dma_buff.rowBits, dma_buff.row_data_len*SIZE_DMA_TYPE,DMA_MAX, dma_buff.all_row_data_cnt);
if (m_cfg.driver == ICN2053)
{
#ifdef SERIAL_DEBUG
Serial.println("configureDMA(): Link dmadesc_suffix 2.");
#endif
linkDmaDesc_n(dmadesc_suffix[1], NULL, desc_suffix_cnt,
(uint8_t**)&dma_buff.rowBits[offset_suffix], dma_buff.frame_suffix_len*SIZE_DMA_TYPE,DMA_MAX, 1);
for(int i = ICN2053_DESCEXT_CNT-1; i >= 0; i--)
{
//только для инициализации всех полей дескрипторов
link_dma_desc(&dmadesc_ext[i], NULL, NULL, 0);
}
//подготовка регистров конфигурации
driver_reg = (driver_rgb_t*)heap_caps_calloc(ICN2053_REG_CNT, sizeof(driver_rgb_t), MALLOC_CAP_8BIT);
if (driver_reg == NULL)
{
buffersFree();
return;
}
memcpy(driver_reg, ICN2053_REG_VALUE, ICN2053_REG_CNT*sizeof(driver_rgb_t));
setDriverRegRGB(&driver_reg[ICN2053_CFG1], (rows_per_frame-1), ICN2053_CFG1_LC_MASK, ICN2053_CFG1_LC_OFFSET);
icn2053initBuffers();
bufferReady = false;
bufferBusy = false;
icn2053_clear = false;
icn2053_auto_vsync = false;
getUserRGB = NULL;
drawUserPixel = NULL;
driver_cur_reg = 0;
cur_suffix_id = 0;
rows_send_cnt = 0;
dma_int_cnt = 0;
}else
{
//shift
}
#ifdef SERIAL_DEBUG
Serial.println(F("configureDMA(): Inited buffers.\r\n"));
#endif
//End markers for DMA LL
#ifdef SERIAL_DEBUG
Serial.println(F("Performing I2S setup:"));
#endif
i2s_parallel_config_t cfg =
{
.gpio_bus = {
m_cfg.gpio.r1, m_cfg.gpio.g1, m_cfg.gpio.b1,
m_cfg.gpio.r2, m_cfg.gpio.g2, m_cfg.gpio.b2,
m_cfg.gpio.lat, m_cfg.gpio.oe,
m_cfg.gpio.a, m_cfg.gpio.b, m_cfg.gpio.c, m_cfg.gpio.d, m_cfg.gpio.e,
-1, -1, -1},
.gpio_clk = m_cfg.gpio.clk,
.sample_rate = m_cfg.i2sspeed,
.sample_width = ESP32_I2S_DMA_MODE,
.desccount_a = desc_data_cnt, //использовать только для SHIFT драйверов
.lldesc_a = dmadesc_data[0], //
.desccount_b = desc_data_cnt, //использовать только для SHIFT драйверов
.lldesc_b = dmadesc_data[1], //использовать только для SHIFT драйверов
.clkphase = m_cfg.clk_phase
};
//для Call обработчика DMA
MatrixPanel = this;
// Setup I2S
esp_err_t res = i2s_parallel_driver_install(I2S_NUM_1, &cfg);
if (res != ESP_OK)
{
#ifdef SERIAL_DEBUG
Serial.println("Error setup I2S");
#endif
buffersFree();
return;
}
negative_panel = false;
scroll_y = 0;
scroll_x = 0;
CurColor = 0;
CurRGB.r = 0;
CurRGB.g = 0;
CurRGB.b = 0;
#ifdef SERIAL_DEBUG
Serial.println(F("Installed."));
#endif
initialized = true;
if (m_cfg.driver == ICN2053)
{
setShiftCompleteCallback(&icn2053i2sCallback);
i2s_parallel_send_dma(I2S_NUM_1, dmadesc_suffix[0]);
icn2053init();
}else
{
return;
//shift
}
#ifdef SERIAL_DEBUG
Serial.println(F("configureDMA(): DMA setup completed on I2S1."));
#endif
initialized = true;
setPanelBrightness(brightness);
} // end initMatrixDMABuff
void MatrixPanel_I2S_DMA::fillRectFrameBuffer(int16_t x1, int16_t y1, int16_t x2, int16_t y2)
{
uniptr_t addr;
int offset_y = y1*frame_buffer.row_len;
int x;
y2 -= y1;
x2 -= x1;
int16_t _x2 = x2;
while (y2 >= 0)
{
switch (dma_buff.color_bits)
{
#ifdef USE_COLORx16
case -16:
addr.pXX = &frame_buffer.frameBits[back_buffer_id][offset_y];
break;
#endif
}
x = x1;
while (x2 >= 0)
{
switch (dma_buff.color_bits)
{
#ifdef USE_COLORx16
case -16:
addr.p16[x] = (uint16_t)CurColor;
break;
#endif
default:
drawUserPixel(x1,y1,CurRGB);
break;
}
x++;
x2--;
}
y1++;
offset_y += frame_buffer.row_len;
x2 = _x2;
y2--;
}
}
void MatrixPanel_I2S_DMA::fillRectBuffer(int16_t x, int16_t y, int16_t w, int16_t h)
{
if ( !initialized )
{
#ifdef SERIAL_DEBUG
Serial.println(F("Cannot updateMatrixDMABuffer as setup failed!"));
#endif
return;
}
if (x >= pixels_per_row || y >= m_cfg.mx_height)
{
return;
}
int16_t x2 = x + w - 1;
int16_t y2 = y + h - 1;
if (x2 < 0|| y2 < 0)
{
return;
}
if (x < 0) x = 0;
if (x2 >= pixels_per_row) x2 = pixels_per_row - 1;
if (y2 >= m_cfg.mx_height) y2 = m_cfg.mx_height - 1;
if (frame_buffer.len != 0)
{
if (!m_cfg.double_buff)
waitDmaReady(); //первичный буфер без двойной буферизации, нужно ждать конца его вывода
fillRectFrameBuffer(x, y, x2, y2);
}else
{
//shift
//fillRectDMABuffer(x, y, x2, y2);
}
}
void MatrixPanel_I2S_DMA::clearDmaBuffer(uint8_t _buff_id)
{
int y_max, y_min;
_buff_id &= m_cfg.double_dma_buff;
if (_buff_id)
{
y_max = dma_buff.all_row_data_cnt - 1;
y_min = dma_buff.all_row_data_cnt >> 1;
}else
{
y_max = (dma_buff.all_row_data_cnt >> 1) - 1;
y_min = 0;
}
for (int y = y_max; y >= y_min; y--)
{
for (int x = dma_buff.row_data_len - 1; x >= 0; x--)
{
dma_buff.rowBits[y][x] &= ~BITMASK_RGB12;
}
}
}
void MatrixPanel_I2S_DMA::clearBuffer(uint8_t _buff_id)
{
_buff_id &= 1;
uint8_t clear_buff_idx = m_cfg.double_buff & (back_buffer_id^_buff_id^1);
if (frame_buffer.len != 0)
{
if (initialized &(_buff_id == 0))
{
panelShowOff();
//запускаем очистку первого фрейма в памяти драйверов экрана
waitDmaReady();
icn2053_clear = true;
sendFrame();
}
if (!m_cfg.double_buff)
waitDmaReady();
//очистка первичного видеобуфер параллельно с DMA очисткой драйверов экрана
memset((uint8_t*)frame_buffer.frameBits[clear_buff_idx], 0, frame_buffer.len * VB_SIZE);
if (initialized &(_buff_id == 0))
{
//запускаем очистку второго фрейма в памяти драйверов экрана
waitDmaReady();
icn2053_clear = true;
sendFrame();
panelShowOn();
}
}else
{
//shift
//clearDmaBuffer(clear_buff_idx);
}
}
MatrixPanel_I2S_DMA::MatrixPanel_I2S_DMA(bool Virtual):
#if defined(USE_GFX_ROOT)
GFX(MATRIX_WIDTH, MATRIX_HEIGHT)
#elif !defined(NO_GFX)
Adafruit_GFX((Virtual)?(PANEL_WIDTH*PANEL_COUNT_X):(PANEL_WIDTH*PANEL_COUNT_X*PANEL_COUNT_Y),
(Virtual)?(PANEL_HEIGHT*PANEL_COUNT_Y):(PANEL_HEIGHT))
#endif
{
memcpy(&m_cfg, &hub75_i2s_cfg_default, sizeof(hub75_i2s_cfg_t));
}
//MatrixPanel_I2S_DMA
//@param {HUB75_I2S_CFG} opts : structure with matrix configuration
MatrixPanel_I2S_DMA::MatrixPanel_I2S_DMA(const hub75_i2s_cfg_t& opts,bool Virtual):
#if defined(USE_GFX_ROOT)
GFX(opts.mx_width*opts.chain_length, opts.mx_height),
#elif !defined(NO_GFX)
Adafruit_GFX((Virtual)?(opts.mx_width*opts.chain_length_x):(opts.mx_width*opts.chain_length_x*opts.chain_length_y),
(Virtual)?(opts.mx_height*opts.chain_length_y):(opts.mx_height)),
#endif
m_cfg(opts)
{
}
const hub75_i2s_cfg_t& MatrixPanel_I2S_DMA::getCfg() const
{
return m_cfg;
};
bool MatrixPanel_I2S_DMA::begin()
{
// Change 'if' to '1' to enable, 0 to not include this Serial output in compiled program
#ifdef SERIAL_DEBUG
Serial.printf_P(PSTR("Using pin %d for the R1_PIN\n"), m_cfg.gpio.r1);
Serial.printf_P(PSTR("Using pin %d for the G1_PIN\n"), m_cfg.gpio.g1);
Serial.printf_P(PSTR("Using pin %d for the B1_PIN\n"), m_cfg.gpio.b1);
Serial.printf_P(PSTR("Using pin %d for the R2_PIN\n"), m_cfg.gpio.r2);
Serial.printf_P(PSTR("Using pin %d for the G2_PIN\n"), m_cfg.gpio.g2);
Serial.printf_P(PSTR("Using pin %d for the B2_PIN\n"), m_cfg.gpio.b2);
Serial.printf_P(PSTR("Using pin %d for the A_PIN\n"), m_cfg.gpio.a);
Serial.printf_P(PSTR("Using pin %d for the B_PIN\n"), m_cfg.gpio.b);
Serial.printf_P(PSTR("Using pin %d for the C_PIN\n"), m_cfg.gpio.c);
Serial.printf_P(PSTR("Using pin %d for the D_PIN\n"), m_cfg.gpio.d);
Serial.printf_P(PSTR("Using pin %d for the E_PIN\n"), m_cfg.gpio.e);
Serial.printf_P(PSTR("Using pin %d for the LAT_PIN\n"), m_cfg.gpio.lat);
Serial.printf_P(PSTR("Using pin %d for the OE_PIN\n"), m_cfg.gpio.oe);
Serial.printf_P(PSTR("Using pin %d for the CLK_PIN\n"), m_cfg.gpio.clk);
#endif
pixels_per_row = m_cfg.mx_width*m_cfg.chain_length_x*m_cfg.chain_length_y;
rows_per_frame = m_cfg.mx_height/ROWS_IN_PARALLEL;
driver_cnt = pixels_per_row/DRIVER_BITS;
brightness = BRIGHTNESS_DEFAULT;
/* As DMA buffers are dynamically allocated, we must allocated in begin()