mikethechap
Member
I'm trying to get the following sketch to work. I read other posts here where the poster made sure certain lines where some lines were commented out and others had comments added. I tried the various comment/uncomments they suggested with no result. I still see "No SD Card." There was something about adding a different library (SDIO and perhaps another one. I could find the SDIO library but that appeared to make no difference. Apparently, there's something about the 3.6 that is problematic with the SD card? Anyway, I'm just trying to get the SD card working.
Thanks
Mike Davis
My full code is below...
Thanks
Mike Davis
My full code is below...
Code:
/*
* Animated GIFs Display Code for SmartMatrix and HUB75 RGB LED Panels
*
* Uses SmartMatrix Library written by Louis Beaudoin at pixelmatix.com
*
* Written by: Craig A. Lindley
*
* Copyright (c) 2014 Craig A. Lindley
* Refactoring by Louis Beaudoin (Pixelmatix)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* This SmartMatrix Library example displays GIF animations loaded from a SD Card connected to the Teensy 3
*
* The example can be modified to drive displays other than SmartMatrix by replacing SmartMatrix Library calls in setup() and
* the *Callback() functions with calls to a different library
*
* This code has been tested with many size GIFs including 128x32, 64x64, 32x32, and 16x16 pixel GIFs, but is optimized for 32x32 pixel GIFs.
*
* Wiring is on the default Teensy 3.2 SPI pins, and chip select can be on any GPIO,
* set by defining SD_CS in the code below. For Teensy 3.5/3.6 with the onboard SDIO, change SD_CS to BUILTIN_SDCARD
* Function | Pin
* DOUT | 11
* DIN | 12
* CLK | 13
* CS (default) | 15
*
* Wiring for ESP32 follows the default for the ESP32 SD Library, see: https://github.com/espressif/arduino-esp32/tree/master/libraries/SD
*
* This code first looks for .gif files in the /gifs/ directory
* (customize below with the GIF_DIRECTORY definition) then plays random GIFs in the directory,
* looping each GIF for DISPLAY_TIME_SECONDS
*
* This example is meant to give you an idea of how to add GIF playback to your own sketch.
* For a project that adds GIF playback with other features, take a look at
* Light Appliance and Aurora:
* https://github.com/CraigLindley/LightAppliance
* https://github.com/pixelmatix/aurora
*
* If you find any GIFs that won't play properly, please attach them to a new
* Issue post in the GitHub repo here:
* https://github.com/pixelmatix/AnimatedGIFs/issues
*/
/*
* CONFIGURATION:
* - If you're not using SmartLED Shield V4 (or above), comment out the line that includes <SmartMatrixShieldV4.h>
* - update the "SmartMatrix configuration and memory allocation" section to match the width and height and other configuration of your display
* - Note for 128x32 and 64x64 displays with Teensy 3.2 - need to reduce RAM:
* set kRefreshDepth=24 and kDmaBufferRows=2 or set USB Type: "None" in Arduino,
* decrease refreshRate in setup() to 90 or lower to get good an accurate GIF frame rate
* - Set the chip select pin for your board. On Teensy 3.5/3.6, the onboard microSD CS pin is "BUILTIN_SDCARD"
* - For ESP32 and large panels, you don't need to lower the refreshRate, but you can lower the frameRate (number of times the refresh buffer
* is updaed with new data per second), giving more time for the CPU to decode the GIF.
* Use matrix.setMaxCalculationCpuPercentage() or matrix.setCalcRefreshRateDivider()
*/
#if defined (ARDUINO)
#include <SmartLEDShieldV4.h> // comment out this line for if you're not using SmartLED Shield V4 hardware (this line needs to be before #include <SmartMatrix3.h>)
#include <SmartMatrix3.h>
#elif defined (SPARK)
#include "application.h"
#include "SmartMatrix3_Photon_Apa102/SmartMatrix3_Photon_Apa102.h"
#endif
#include <SD.h>
#include "GifDecoder.h"
#include "FilenameFunctions.h"
#define DISPLAY_TIME_SECONDS 10
#define ENABLE_SCROLLING 1
// range 0-255
const int defaultBrightness = 255;
const rgb24 COLOR_BLACK = {
0, 0, 0 };
/* SmartMatrix configuration and memory allocation */
#define COLOR_DEPTH 24 // known working: 24, 48 - If the sketch uses type `rgb24` directly, COLOR_DEPTH must be 24
const uint8_t kMatrixWidth = 32; // known working: 32, 64, 96, 128
const uint8_t kMatrixHeight = 32; // known working: 16, 32, 48, 64
const uint8_t kRefreshDepth = 36; // known working: 24, 36, 48
const uint8_t kDmaBufferRows = 2; // known working: 2-4
const uint8_t kPanelType = SMARTMATRIX_HUB75_32ROW_MOD16SCAN; // use SMARTMATRIX_HUB75_16ROW_MOD8SCAN for common 16x32 panels, or use SMARTMATRIX_HUB75_64ROW_MOD32SCAN for common 64x64 panels
const uint8_t kMatrixOptions = (SMARTMATRIX_OPTIONS_NONE); // see http://docs.pixelmatix.com/SmartMatrix for options
const uint8_t kBackgroundLayerOptions = (SM_BACKGROUND_OPTIONS_NONE);
const uint8_t kScrollingLayerOptions = (SM_SCROLLING_OPTIONS_NONE);
SMARTMATRIX_ALLOCATE_BUFFERS(matrix, kMatrixWidth, kMatrixHeight, kRefreshDepth, kDmaBufferRows, kPanelType, kMatrixOptions);
SMARTMATRIX_ALLOCATE_BACKGROUND_LAYER(backgroundLayer, kMatrixWidth, kMatrixHeight, COLOR_DEPTH, kBackgroundLayerOptions);
#if ENABLE_SCROLLING == 1
SMARTMATRIX_ALLOCATE_SCROLLING_LAYER(scrollingLayer, kMatrixWidth, kMatrixHeight, COLOR_DEPTH, kScrollingLayerOptions);
#endif
/* template parameters are maxGifWidth, maxGifHeight, lzwMaxBits
*
* The lzwMaxBits value of 12 supports all GIFs, but uses 16kB RAM
* lzwMaxBits can be set to 10 or 11 for smaller displays to save RAM, but use 12 for large displays
* All 32x32-pixel GIFs tested so far work with 11, most work with 10
*/
GifDecoder<kMatrixWidth, kMatrixHeight, 12> decoder;
// Chip select for SD card on the SmartMatrix Shield or Photon
#if defined(ESP32)
#define SD_CS 5
#elif defined (ARDUINO)
#define SD_CS 15
//#define SD_CS BUILTIN_SDCARD
#elif defined (SPARK)
#define SD_CS SS
#endif
#if defined(ESP32)
// ESP32 SD Library can't handle a trailing slash in the directory name
#define GIF_DIRECTORY "/gifs"
#else
// Teensy SD Library requires a trailing slash in the directory name
#define GIF_DIRECTORY "/gifs/"
#endif
int num_files;
void screenClearCallback(void) {
backgroundLayer.fillScreen({0,0,0});
}
void updateScreenCallback(void) {
backgroundLayer.swapBuffers();
}
void drawPixelCallback(int16_t x, int16_t y, uint8_t red, uint8_t green, uint8_t blue) {
backgroundLayer.drawPixel(x, y, {red, green, blue});
}
// Setup method runs once, when the sketch starts
void setup() {
decoder.setScreenClearCallback(screenClearCallback);
decoder.setUpdateScreenCallback(updateScreenCallback);
decoder.setDrawPixelCallback(drawPixelCallback);
decoder.setFileSeekCallback(fileSeekCallback);
decoder.setFilePositionCallback(filePositionCallback);
decoder.setFileReadCallback(fileReadCallback);
decoder.setFileReadBlockCallback(fileReadBlockCallback);
// Seed the random number generator
randomSeed(analogRead(14));
Serial.begin(115200);
Serial.println("Starting AnimatedGIFs Sketch");
// Initialize matrix
matrix.addLayer(&backgroundLayer);
#if ENABLE_SCROLLING == 1
matrix.addLayer(&scrollingLayer);
#endif
matrix.setBrightness(defaultBrightness);
// for large panels, may want to set the refresh rate lower to leave more CPU time to decoding GIFs (needed if GIFs are playing back slowly)
//matrix.setRefreshRate(90);
#if !defined(ESP32)
matrix.begin();
#endif
#if defined(ESP32)
// for large panels on ESP32, may want to set the max percentage time dedicated to updating the refresh frames lower, to leave more CPU time to decoding GIFs (needed if GIFs are playing back slowly)
//matrix.setMaxCalculationCpuPercentage(50);
// alternatively, for large panels on ESP32, may want to set the calculation refresh rate divider lower to leave more CPU time to decoding GIFs (needed if GIFs are playing back slowly) - this has the same effect as matrix.setMaxCalculationCpuPercentage() but is set with a different parameter
//matrix.setCalcRefreshRateDivider(4);
// The ESP32 SD Card library is going to want to malloc about 28000 bytes of DMA-capable RAM, make sure at least that much is left free
matrix.begin(28000);
#endif
// Clear screen
backgroundLayer.fillScreen(COLOR_BLACK);
backgroundLayer.swapBuffers(false);
if(initSdCard(SD_CS) < 0) {
#if ENABLE_SCROLLING == 1
scrollingLayer.start("No SD card", -1);
#endif
Serial.println("No SD card");
while(1);
}
// for ESP32 we need to allocate SmartMatrix DMA buffers after initializing the SD card to avoid using up too much memory
// Determine how many animated GIF files exist
num_files = enumerateGIFFiles(GIF_DIRECTORY, false);
if(num_files < 0) {
#if ENABLE_SCROLLING == 1
scrollingLayer.start("No gifs directory", -1);
#endif
Serial.println("No gifs directory");
while(1);
}
if(!num_files) {
#if ENABLE_SCROLLING == 1
scrollingLayer.start("Empty gifs directory", -1);
#endif
Serial.println("Empty gifs directory");
while(1);
}
}
void loop() {
static unsigned long futureTime;
int index = random(num_files);
if(futureTime < millis()) {
if (++index >= num_files) {
index = 0;
}
if (openGifFilenameByIndex(GIF_DIRECTORY, index) >= 0) {
// Can clear screen for new animation here, but this might cause flicker with short animations
// matrix.fillScreen(COLOR_BLACK);
// matrix.swapBuffers();
decoder.startDecoding();
// Calculate time in the future to terminate animation
futureTime = millis() + (DISPLAY_TIME_SECONDS * 1000);
}
}
decoder.decodeFrame();
}