David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Diff: RA8875_Touch_FT5206.cpp

Revision:
197:853d08e2fb53
Parent:
181:0032d1b8f5d4
Child:
202:a22cbc04f332
--- a/RA8875_Touch_FT5206.cpp	Tue Feb 11 21:26:59 2020 +0000
+++ b/RA8875_Touch_FT5206.cpp	Tue Feb 11 21:51:42 2020 +0000
@@ -7,9 +7,9 @@
 // INFO("Stuff to show %d", var); // new-line is automatically appended
 //
 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
-#define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
-#define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
-#define ERR(x, ...)  std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#define INFO(x, ...) std::printf("[INF %s %4d] " x "\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[WRN %s %4d] " x "\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#define ERR(x, ...)  std::printf("[ERR %s %4d] " x "\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
 static void HexDump(const char * title, const uint8_t * p, int count)
 {
     int i;
@@ -64,7 +64,8 @@
     }
     INFO("%d devices found", count);
     #endif
-    
+   
+
     INFO("FT5206_Init: Addr %02X", m_addr);
     HexDump("FT5206 Init", (uint8_t *)data, sizeof(data)/sizeof(data[0]));
     int err = m_i2c->write(m_addr, data, sizeof(data)/sizeof(data[0]), true);
@@ -83,7 +84,8 @@
     INFO("  numOfTouchPoints %d", numberOfTouchPoints);
     gesture = FT5206_ReadRegU8(FT5206_GEST_ID);
     INFO("  gesture %d", gesture);
-    
+   
+
     valXH  = FT5206_ReadRegU8(FT5206_TOUCH5_XH);
     valYH  = FT5206_ReadRegU8(FT5206_TOUCH5_YH);
     touchInfo[4].touchCode = FT5206_EventFlagToTouchCode[valXH >> 6];
@@ -91,7 +93,8 @@
     touchInfo[4].touchID   = (valYH >> 4);
     touchInfo[4].coordinates.x = (valXH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH5_XL);
     touchInfo[4].coordinates.y = (valYH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH5_YL);
-    
+   
+
     valXH  = FT5206_ReadRegU8(FT5206_TOUCH4_XH);
     valYH  = FT5206_ReadRegU8(FT5206_TOUCH4_YH);
     touchInfo[3].touchCode = FT5206_EventFlagToTouchCode[valXH >> 6];
@@ -99,7 +102,8 @@
     touchInfo[3].touchID   = (valYH >> 4);
     touchInfo[3].coordinates.x = (valXH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH4_XL);
     touchInfo[3].coordinates.y = (valYH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH4_YL);
-    
+   
+
     valXH  = FT5206_ReadRegU8(FT5206_TOUCH3_XH);
     valYH  = FT5206_ReadRegU8(FT5206_TOUCH3_YH);
     touchInfo[2].touchCode = FT5206_EventFlagToTouchCode[valXH >> 6];
@@ -107,7 +111,8 @@
     touchInfo[2].touchID   = (valYH >> 4);
     touchInfo[2].coordinates.x = (valXH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH3_XL);
     touchInfo[2].coordinates.y = (valYH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH3_YL);
-    
+   
+
     valXH  = FT5206_ReadRegU8(FT5206_TOUCH2_XH);
     valYH  = FT5206_ReadRegU8(FT5206_TOUCH2_YH);
     touchInfo[1].touchCode = FT5206_EventFlagToTouchCode[valXH >> 6];
@@ -115,7 +120,8 @@
     touchInfo[1].touchID   = (valYH >> 4);
     touchInfo[1].coordinates.x = (valXH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH2_XL);
     touchInfo[1].coordinates.y = (valYH & 0x0f)*256 + FT5206_ReadRegU8(FT5206_TOUCH2_YL);
-    
+   
+
     valXH  = FT5206_ReadRegU8(FT5206_TOUCH1_XH);
     valYH  = FT5206_ReadRegU8(FT5206_TOUCH1_YH);
     touchInfo[0].touchCode = FT5206_EventFlagToTouchCode[valXH >> 6];