Diff: main.cpp

Revision:

0:3ecd25651727

Child:

1:76ec0e6dfe81

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 20 10:30:34 2014 +0000
@@ -0,0 +1,166 @@
+/**********************************************************************************************
+ Copyright (c) 2014 DisplayModule. All rights reserved.
+
+ Redistribution and use of this source code, part of this source code or any compiled binary
+ based on this source code is permitted as long as the above copyright notice and following
+ disclaimer is retained.
+
+ DISCLAIMER:
+ THIS SOFTWARE IS SUPPLIED "AS IS" WITHOUT ANY WARRANTIES AND SUPPORT. DISPLAYMODULE ASSUMES
+ NO RESPONSIBILITY OR LIABILITY FOR THE USE OF THE SOFTWARE.
+ ********************************************************************************************/
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+
+#include "mbed.h"
+
+#include "DmTftHX8353C.h"
+#include "DmTftS6D0164.h"
+#include "DmTftIli9325.h"
+#include "DmTftIli9341.h"
+#include "DmTftSsd2119.h"
+#include "DmTouch.h"
+
+#include "W25Q16BV.h"
+#include "DmDrawBmpBase.h"
+#include "SDFileSystem.h"
+
+/******************************************************************************
+ * Typedefs and defines
+ *****************************************************************************/
+
+#define log(...) printf(__VA_ARGS__)
+//#define log(...)
+
+#define DM_PIN_SPI_MOSI   D11
+#define DM_PIN_SPI_MISO   D12
+#define DM_PIN_SPI_SCLK   D13
+
+#define DM_PIN_CS_TOUCH   D4
+#define DM_PIN_CS_TFT     D10
+#define DM_PIN_CS_SDCARD  D8
+#define DM_PIN_CS_FLASH   D6
+
+/******************************************************************************
+ * Local variables
+ *****************************************************************************/
+
+//DmTftHX8353C tft;  /* DM_TFT18_101 */
+//DmTftS6D0164 tft;  /* DM_TFT22_102 */
+//DmTftIli9325 tft;  /* DM_TFT28_103 and DM_TFT24_104 */
+DmTftIli9341 tft;  /* DM_TFT28_105 */
+//DmTftSsd2119 tft;   /* DM_TFT35_107 */
+
+//DmTouch touch(DmTouch::DM_TFT28_103, false); /* For LPC4088 QuickStart Board */
+//DmTouch touch(DmTouch::DM_TFT28_103);
+//DmTouch touch(DmTouch::DM_TFT24_104);
+DmTouch touch(DmTouch::DM_TFT28_105);
+//DmTouch touch(DmTouch::DM_TFT35_107);
+
+SDFileSystem sd(DM_PIN_SPI_MOSI, DM_PIN_SPI_MISO, DM_PIN_SPI_SCLK, DM_PIN_CS_SDCARD, "sd"); // mosi,miso,clk,cs
+W25Q16BV flash(DM_PIN_SPI_MOSI, DM_PIN_SPI_MISO, DM_PIN_SPI_SCLK, DM_PIN_CS_FLASH); // mosi,miso,clk,cs
+
+DigitalInOut csTouch(DM_PIN_CS_TOUCH, PIN_OUTPUT, PullUp, 1);
+DigitalInOut csDisplay(DM_PIN_CS_TFT, PIN_OUTPUT, PullUp, 1);
+DigitalInOut csSDCard(DM_PIN_CS_SDCARD, PIN_OUTPUT, PullUp, 1);
+DigitalInOut csFlash(DM_PIN_CS_FLASH, PIN_OUTPUT, PullUp, 1);
+
+/******************************************************************************
+ * Global variables
+ *****************************************************************************/
+
+/******************************************************************************
+ * Local functions
+ *****************************************************************************/
+
+static bool sdcardReader(uint32_t userData, uint8_t* data, int offset, int numBytes) {
+  FILE* fp = (FILE*)userData;
+  fseek(fp, offset, SEEK_SET);
+  fread(data, 1, numBytes, fp);
+  return true;
+}
+
+static bool spiFlashReader(uint32_t userData, uint8_t* data, int offset, int numBytes) {
+  W25Q16BV* spiFlash = (W25Q16BV*)userData;
+  spiFlash->readStream(offset, (char*)data, numBytes);
+  return true;
+}
+
+static void copyImageToSPIFlash(const char* fname) {
+  FILE* fp = fopen(fname, "r");
+  int num, offset;
+  uint8_t buff[128];
+  
+  do {
+    if (fp == NULL) {
+      log("Failed to open %s, so assuming SPI flash is correct\n", fname);
+      break;
+    } 
+  
+    // simple comparison of first 64 bytes in file and SPI flash
+    // to avoid having to write to the flash on every boot
+    num = fread(buff, 1, 64, fp);
+    if (num == 64) {
+      flash.readStream(0, (char*)&buff[64], 64);
+      if (memcmp(buff, &buff[64], 64) == 0) {
+        log("SPI flash content propably correct, not replacing it\n");
+        break;
+      }
+    }
+    
+    log("Found %s, erasing SPI flash\n", fname);
+    flash.chipErase();
+
+    log("Copying %s to SPI flash\n", fname);
+    offset = 0;
+    while ((num = fread(buff, 1, 128, fp)) > 0) {
+      flash.writeStream(offset, (char*)buff, num);
+      offset+=num;
+    }
+    log("Done. Wrote %d bytes to SPI flash\n", offset);
+    
+  } while(false);
+  
+  if (fp != NULL) {
+    fclose(fp);
+  }
+}
+
+/******************************************************************************
+ * Main
+ *****************************************************************************/
+
+int main() {
+  //DmTftBase* tft = factory.display();
+  DmDrawBmpBase bmp;
+  const char* fname = "/sd/logop565.bmp";
+
+  copyImageToSPIFlash(fname);
+  
+  log("init tft \r\n");
+  tft.init();
+  
+  while (true) {
+    log("Drawing from SD card (%s) ...\n", fname);
+    FILE *fp = fopen(fname, "r");
+    if (fp != NULL) {
+      bmp.drawBitmap(tft, 0, 0, sdcardReader, (uint32_t)fp);
+      fclose(fp);
+    } else {
+      log("failed to open file\n");
+    }
+
+    wait_ms(3000);
+    tft.clearScreen(RED);
+    wait_ms(1000);
+
+    log("Attempting to decode image from SPI flash...\n");
+    bmp.drawBitmap(tft, 0, 0, spiFlashReader, (uint32_t)&flash);
+
+    wait_ms(3000);
+    tft.clearScreen(GREEN);
+    wait_ms(1000);
+  }
+}