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FM6126 init procedure embeded into lib

Browse source 
- example updated
 - allow MATRIX params to be defined outside the lib during compilation time

Signed-off-by: Emil Muratov <gpm@hotplug.ru>
This commit is contained in:
Emil Muratov 2020-11-28 03:19:20 +03:00
parent b64ead0074
commit 10bbc4e73a
3 changed files with 188 additions and 127 deletions
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103
ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp
View file

@ -778,3 +778,106 @@ void RGB64x32MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint8_t red, uint8_t gre
} // end row iteration } // end row iteration
} // updateMatrixDMABuffer (full frame paint) } // updateMatrixDMABuffer (full frame paint)
/**
* pre-init procedures for specific drivers
*
*/
void RGB64x32MatrixPanel_I2S_DMA::shiftDriver(const shift_driver _drv, const int dma_r1_pin, const int dma_g1_pin, const int dma_b1_pin, const int dma_r2_pin, const int dma_g2_pin, const int dma_b2_pin, const int dma_a_pin, const int dma_b_pin, const int dma_c_pin, const int dma_d_pin, const int dma_e_pin, const int dma_lat_pin, const int dma_oe_pin, const int dma_clk_pin){
switch (_drv){
case FM6124:
case FM6126A:
{
#if SERIAL_DEBUG
Serial.println( F("RGB64x32MatrixPanel_I2S_DMA - initializing FM6124 driver..."));
#endif
int C12[16] = {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
int C13[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0};
pinMode(dma_r1_pin, OUTPUT);
pinMode(dma_g1_pin, OUTPUT);
pinMode(dma_b1_pin, OUTPUT);
pinMode(dma_r2_pin, OUTPUT);
pinMode(dma_g2_pin, OUTPUT);
pinMode(dma_b2_pin, OUTPUT);
pinMode(dma_a_pin, OUTPUT);
pinMode(dma_b_pin, OUTPUT);
pinMode(dma_c_pin, OUTPUT);
pinMode(dma_d_pin, OUTPUT);
pinMode(dma_e_pin, OUTPUT);
pinMode(dma_clk_pin, OUTPUT);
pinMode(dma_lat_pin, OUTPUT);
pinMode(dma_oe_pin, OUTPUT);
// Send Data to control register 11
digitalWrite(dma_oe_pin, HIGH); // Display reset
digitalWrite(dma_lat_pin, LOW);
digitalWrite(dma_clk_pin, LOW);
for (int l = 0; l < MATRIX_WIDTH; l++){
int y = l % 16;
digitalWrite(dma_r1_pin, LOW);
digitalWrite(dma_g1_pin, LOW);
digitalWrite(dma_b1_pin, LOW);
digitalWrite(dma_r2_pin, LOW);
digitalWrite(dma_g2_pin, LOW);
digitalWrite(dma_b2_pin, LOW);
if (C12[y] == 1){
digitalWrite(dma_r1_pin, HIGH);
digitalWrite(dma_g1_pin, HIGH);
digitalWrite(dma_b1_pin, HIGH);
digitalWrite(dma_r2_pin, HIGH);
digitalWrite(dma_g2_pin, HIGH);
digitalWrite(dma_b2_pin, HIGH);
}
if (l > MATRIX_WIDTH - 12){
digitalWrite(dma_lat_pin, HIGH);
} else {
digitalWrite(dma_lat_pin, LOW);
}
digitalWrite(dma_clk_pin, HIGH);
digitalWrite(dma_clk_pin, LOW);
}
digitalWrite(dma_lat_pin, LOW);
digitalWrite(dma_clk_pin, LOW);
// Send Data to control register 12
for (int l = 0; l < MATRIX_WIDTH; l++){
int y = l % 16;
digitalWrite(dma_r1_pin, LOW);
digitalWrite(dma_g1_pin, LOW);
digitalWrite(dma_b1_pin, LOW);
digitalWrite(dma_r2_pin, LOW);
digitalWrite(dma_g2_pin, LOW);
digitalWrite(dma_b2_pin, LOW);
if (C13[y] == 1){
digitalWrite(dma_r1_pin, HIGH);
digitalWrite(dma_g1_pin, HIGH);
digitalWrite(dma_b1_pin, HIGH);
digitalWrite(dma_r2_pin, HIGH);
digitalWrite(dma_g2_pin, HIGH);
digitalWrite(dma_b2_pin, HIGH);
}
if (l > MATRIX_WIDTH - 13){
digitalWrite(dma_lat_pin, HIGH);
} else {
digitalWrite(dma_lat_pin, LOW);
}
digitalWrite(dma_clk_pin, HIGH);
digitalWrite(dma_clk_pin, LOW);
}
digitalWrite(dma_lat_pin, LOW);
digitalWrite(dma_clk_pin, LOW);
break;
}
case SHIFT:
default:
break;
}
}

24
ESP32-RGB64x32MatrixPanel-I2S-DMA.h
View file

@ -24,13 +24,21 @@
* All of this is memory permitting of course (dependant on your sketch etc.) ... * All of this is memory permitting of course (dependant on your sketch etc.) ...
* *
*/ */
#ifndef MATRIX_WIDTH
#define MATRIX_WIDTH 64 // CHANGE THIS VALUE IF CHAINING #define MATRIX_WIDTH 64 // CHANGE THIS VALUE IF CHAINING
#define MATRIX_HEIGHT 32 // CHANGE THIS VALUE ONLY IF USING 64px HIGH panel with E PIN #endif
#ifndef MATRIX_HEIGHT
#define MATRIX_HEIGHT 32 // CHANGE THIS VALUE ONLY IF USING 64px HIGH panel with E PIN
#endif
/* Best to keep these values as is. */ /* Best to keep these values as is. */
#ifndef PIXEL_COLOR_DEPTH_BITS
#define PIXEL_COLOR_DEPTH_BITS 8 // 8bit per RGB color = 24 bit/per pixel, reduce to save RAM #define PIXEL_COLOR_DEPTH_BITS 8 // 8bit per RGB color = 24 bit/per pixel, reduce to save RAM
#endif
#ifndef MATRIX_ROWS_IN_PARALLEL
#define MATRIX_ROWS_IN_PARALLEL 2 // Don't change this unless you know what you're doing #define MATRIX_ROWS_IN_PARALLEL 2 // Don't change this unless you know what you're doing
#endif
/* ESP32 Default Pin definition. You can change this, but best if you keep it as is and provide custom pin mappings /* ESP32 Default Pin definition. You can change this, but best if you keep it as is and provide custom pin mappings
* as part of the begin(...) function. * as part of the begin(...) function.
@ -151,6 +159,7 @@ typedef struct RGB24 {
uint8_t blue; uint8_t blue;
} RGB24; } RGB24;
enum shift_driver {SHIFT=0, FM6124, FM6126A};
/***************************************************************************************/ /***************************************************************************************/
// Used by val2PWM // Used by val2PWM
@ -185,7 +194,7 @@ class RGB64x32MatrixPanel_I2S_DMA : public Adafruit_GFX {
} }
/* Propagate the DMA pin configuration, or use compiler defaults */ /* Propagate the DMA pin configuration, or use compiler defaults */
bool begin(int dma_r1_pin = R1_PIN_DEFAULT , int dma_g1_pin = G1_PIN_DEFAULT, int dma_b1_pin = B1_PIN_DEFAULT , int dma_r2_pin = R2_PIN_DEFAULT , int dma_g2_pin = G2_PIN_DEFAULT , int dma_b2_pin = B2_PIN_DEFAULT , int dma_a_pin = A_PIN_DEFAULT , int dma_b_pin = B_PIN_DEFAULT , int dma_c_pin = C_PIN_DEFAULT , int dma_d_pin = D_PIN_DEFAULT , int dma_e_pin = E_PIN_DEFAULT , int dma_lat_pin = LAT_PIN_DEFAULT, int dma_oe_pin = OE_PIN_DEFAULT , int dma_clk_pin = CLK_PIN_DEFAULT) bool begin(int dma_r1_pin = R1_PIN_DEFAULT , int dma_g1_pin = G1_PIN_DEFAULT, int dma_b1_pin = B1_PIN_DEFAULT , int dma_r2_pin = R2_PIN_DEFAULT , int dma_g2_pin = G2_PIN_DEFAULT , int dma_b2_pin = B2_PIN_DEFAULT , int dma_a_pin = A_PIN_DEFAULT , int dma_b_pin = B_PIN_DEFAULT , int dma_c_pin = C_PIN_DEFAULT , int dma_d_pin = D_PIN_DEFAULT , int dma_e_pin = E_PIN_DEFAULT , int dma_lat_pin = LAT_PIN_DEFAULT, int dma_oe_pin = OE_PIN_DEFAULT , int dma_clk_pin = CLK_PIN_DEFAULT, const shift_driver _drv=SHIFT)
{ {
// Change 'if' to '1' to enable, 0 to not include this Serial output in compiled program // Change 'if' to '1' to enable, 0 to not include this Serial output in compiled program
@ -206,6 +215,10 @@ class RGB64x32MatrixPanel_I2S_DMA : public Adafruit_GFX {
Serial.printf("Using pin %d for the CLK_PIN\n", dma_clk_pin); Serial.printf("Using pin %d for the CLK_PIN\n", dma_clk_pin);
#endif #endif
// initialize some sppecific panel drivers
if (_drv)
shiftDriver(_drv, dma_r1_pin, dma_g1_pin, dma_b1_pin, dma_r2_pin, dma_g2_pin, dma_b2_pin, dma_a_pin, dma_b_pin, dma_c_pin, dma_d_pin, dma_e_pin, dma_lat_pin, dma_oe_pin, dma_clk_pin);
/* As DMA buffers are dynamically allocated, we must allocated in begin() /* As DMA buffers are dynamically allocated, we must allocated in begin()
* Ref: https://github.com/espressif/arduino-esp32/issues/831 * Ref: https://github.com/espressif/arduino-esp32/issues/831
*/ */
@ -297,7 +310,6 @@ class RGB64x32MatrixPanel_I2S_DMA : public Adafruit_GFX {
int calculated_refresh_rate = 0; int calculated_refresh_rate = 0;
// ------- PRIVATE ------- // ------- PRIVATE -------
private: private:
@ -332,6 +344,12 @@ class RGB64x32MatrixPanel_I2S_DMA : public Adafruit_GFX {
/* Update the entire DMA buffer (aka. The RGB Panel) a certain colour (wipe the screen basically) */ /* Update the entire DMA buffer (aka. The RGB Panel) a certain colour (wipe the screen basically) */
void updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue); void updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue);
/**
* pre-init procedures for specific drivers
*
*/
void shiftDriver(const shift_driver _drv, const int dma_r1_pin, const int dma_g1_pin, const int dma_b1_pin, const int dma_r2_pin, const int dma_g2_pin, const int dma_b2_pin, const int dma_a_pin, const int dma_b_pin, const int dma_c_pin, const int dma_d_pin, const int dma_e_pin, const int dma_lat_pin, const int dma_oe_pin, const int dma_clk_pin);
}; // end Class header }; // end Class header
/***************************************************************************************/ /***************************************************************************************/

168
examples/FM6126Panel/FM6126Panel.ino
View file

@ -4,19 +4,19 @@
#include <Arduino.h> #include <Arduino.h>
#include <ESP32-RGB64x32MatrixPanel-I2S-DMA.h> #include <ESP32-RGB64x32MatrixPanel-I2S-DMA.h>
RGB64x32MatrixPanel_I2S_DMA matrix; RGB64x32MatrixPanel_I2S_DMA dma_display;
#include <FastLED.h>
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Reset Panel // Reset Panel
// This needs to be near the top of the code // FM6126 support is still experimental
//
// Change these to whatever suits
// recommended settings and patches are by
// //
// pinout for ESP38 38pin module // pinout for ESP38 38pin module
// http://arduinoinfo.mywikis.net/wiki/Esp32#KS0413_keyestudio_ESP32_Core_Board // http://arduinoinfo.mywikis.net/wiki/Esp32#KS0413_keyestudio_ESP32_Core_Board
// //
// HUB75E pinout
// R1 | G1 // R1 | G1
// B1 | GND // B1 | GND
// R2 | G2 // R2 | G2
@ -29,128 +29,68 @@ RGB64x32MatrixPanel_I2S_DMA matrix;
#define R1 25 #define R1 25
#define G1 26 #define G1 26
#define BL1 27 #define BL1 27
#define R2 5 // 21 SDA #define R2 14 // 21 SDA
#define G2 19 // 22 SDL #define G2 12 // 22 SDL
#define BL2 23 #define BL2 13
#define CH_A 12 #define CH_A 23
#define CH_B 16 #define CH_B 19
#define CH_C 17 #define CH_C 5
#define CH_D 18 #define CH_D 17
#define CH_E -1 // assign to pin if using two panels #define CH_E 32 // assign to any available pin if using two panels or 64x64 panels with 1/32 scan
#define CLK 15 #define CLK 16
#define LAT 32 #define LAT 4
#define OE 33 #define OE 15
void resetPanel()
{
int MaxLed = 64;
int C12[16] = {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
int C13[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0};
pinMode(R1, OUTPUT);
pinMode(G1, OUTPUT);
pinMode(BL1, OUTPUT);
pinMode(R2, OUTPUT);
pinMode(G2, OUTPUT);
pinMode(BL2, OUTPUT);
pinMode(CH_A, OUTPUT);
pinMode(CH_B, OUTPUT);
pinMode(CH_C, OUTPUT);
pinMode(CH_D, OUTPUT);
pinMode(CH_E, OUTPUT);
pinMode(CLK, OUTPUT);
pinMode(LAT, OUTPUT);
pinMode(OE, OUTPUT);
// Send Data to control register 11
digitalWrite(OE, HIGH); // Display reset
digitalWrite(LAT, LOW);
digitalWrite(CLK, LOW);
for (int l = 0; l < MaxLed; l++)
{
int y = l % 16;
digitalWrite(R1, LOW);
digitalWrite(G1, LOW);
digitalWrite(BL1, LOW);
digitalWrite(R2, LOW);
digitalWrite(G2, LOW);
digitalWrite(BL2, LOW);
if (C12[y] == 1)
{
digitalWrite(R1, HIGH);
digitalWrite(G1, HIGH);
digitalWrite(BL1, HIGH);
digitalWrite(R2, HIGH);
digitalWrite(G2, HIGH);
digitalWrite(BL2, HIGH);
}
if (l > MaxLed - 12)
{
digitalWrite(LAT, HIGH);
}
else
{
digitalWrite(LAT, LOW);
}
digitalWrite(CLK, HIGH);
digitalWrite(CLK, LOW);
}
digitalWrite(LAT, LOW);
digitalWrite(CLK, LOW);
// Send Data to control register 12
for (int l = 0; l < MaxLed; l++)
{
int y = l % 16;
digitalWrite(R1, LOW);
digitalWrite(G1, LOW);
digitalWrite(BL1, LOW);
digitalWrite(R2, LOW);
digitalWrite(G2, LOW);
digitalWrite(BL2, LOW);
if (C13[y] == 1)
{
digitalWrite(R1, HIGH);
digitalWrite(G1, HIGH);
digitalWrite(BL1, HIGH);
digitalWrite(R2, HIGH);
digitalWrite(G2, HIGH);
digitalWrite(BL2, HIGH);
}
if (l > MaxLed - 13)
{
digitalWrite(LAT, HIGH);
}
else
{
digitalWrite(LAT, LOW);
}
digitalWrite(CLK, HIGH);
digitalWrite(CLK, LOW);
}
digitalWrite(LAT, LOW);
digitalWrite(CLK, LOW);
}
// End of default setup for RGB Matrix 64x32 panel // End of default setup for RGB Matrix 64x32 panel
/////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////
void setup(){ int time_counter = 0;
int cycles = 0;
resetPanel(); // do this before matrix.begin CRGB currentColor;
CRGBPalette16 palettes[] = {HeatColors_p, LavaColors_p, RainbowColors_p, RainbowStripeColors_p, CloudColors_p};
CRGBPalette16 currentPalette = palettes[0];
CRGB ColorFromCurrentPalette(uint8_t index = 0, uint8_t brightness = 255, TBlendType blendType = LINEARBLEND) {
return ColorFromPalette(currentPalette, index, brightness, blendType);
}
void setup(){
// If you experience ghosting, you will need to reduce the brightness level, not all RGB Matrix // If you experience ghosting, you will need to reduce the brightness level, not all RGB Matrix
// Panels are the same - some seem to display ghosting artefacts at lower brightness levels. // Panels are the same - some seem to display ghosting artefacts at lower brightness levels.
// In the setup() function do something like: // In the setup() function do something like:
matrix.setPanelBrightness(10); // SETS THE BRIGHTNESS HERE. 60 OR LOWER IDEAL. dma_display.setPanelBrightness(30); // SETS THE BRIGHTNESS HERE. 60 OR LOWER IDEAL.
matrix.begin(R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK); // setup the LED matrix
matrix.setTextColor(matrix.Color(96, 0, 96)); // r,g,b
matrix.setCursor(1, 15);
matrix.println("Hello World");
/**
* be sure to specify 'FM6126A' as last parametr to the begin(),
* it would reset 6126 registers and enables the matrix
*/
dma_display.begin(R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK, FM6126A);
} }
void loop(){ void loop(){
for (int x = 0; x < dma_display.width(); x++) {
for (int y = 0; y < dma_display.height(); y++) {
int16_t v = 0;
uint8_t wibble = sin8(time_counter);
v += sin16(x * wibble * 3 + time_counter);
v += cos16(y * (128 - wibble) + time_counter);
v += sin16(y * x * cos8(-time_counter) / 8);
currentColor = ColorFromPalette(currentPalette, (v >> 8) + 127); //, brightness, currentBlendType);
dma_display.drawPixelRGB888(x, y, currentColor.r, currentColor.g, currentColor.b);
}
}
time_counter += 1;
cycles++;
if (cycles >= 1024) {
time_counter = 0;
cycles = 0;
currentPalette = palettes[random(0,sizeof(palettes))];
}
} }