Diff: Components/STMPE1600/stmpe1600_class.h

Revision:

7:2dc81120c917

Child:

8:f943a1fca15f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Components/STMPE1600/stmpe1600_class.h	Fri Sep 25 12:12:51 2015 +0200
@@ -0,0 +1,162 @@
+/**
+ ******************************************************************************
+ * @file    vl6180x_class.h
+ * @author  AST / EST
+ * @version V0.0.1
+ * @date    14-April-2015
+ * @brief   Header file for component VL6180X
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of STMicroelectronics nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *       without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+*/
+#ifndef     __STMPE1600_CLASS
+#define     __STMPE1600_CLASS
+/* Includes ------------------------------------------------------------------*/
+#include    "mbed.h"
+#include		<assert.h>
+
+#define STMPE1600_DEF_DEVICE_ADDRESS  (uint8_t)0x42*2   // in 7 bits I2C format
+#define STMPE1600_DEF_DIGIOUT_LVL      0
+
+/**  STMPE1600 registr map **/
+#define VersionId			(uint8_t)0x02
+#define SystemControl (uint8_t)0x03
+#define IEGPIOR_0_7		(uint8_t)0x08
+#define IEGPIOR_8_15	(uint8_t)0x09
+#define ISGPIOR_0_7		(uint8_t)0x0A
+#define ISGPIOR_8_15	(uint8_t)0x0B
+#define GPMR_0_7			(uint8_t)0x10
+#define GPMR_8_15			(uint8_t)0x11
+#define GPSR_0_7			(uint8_t)0x12
+#define GPSR_8_15			(uint8_t)0x13
+#define GPDR_0_7			(uint8_t)0x14
+#define GPDR_8_15			(uint8_t)0x15
+#define GPIR_0_7			(uint8_t)0x16
+#define GPIR_8_15			(uint8_t)0x17
+
+  typedef enum {
+    // GPIO Expander pin names
+    GPIO_0,
+    GPIO_1,
+    GPIO_2,
+    GPIO_3,            
+    GPIO_4,
+    GPIO_5,
+    GPIO_6,
+    GPIO_7,            
+    GPIO_8,
+    GPIO_9,
+    GPIO_10,
+    GPIO_11,            
+    GPIO_12,
+    GPIO_13,
+    GPIO_14,
+    GPIO_15
+} ExpGpioPinName;   
+
+typedef enum {
+    INPUT,
+    OUTPUT,
+	  NOT_CONNECTED
+}ExpGpioPinDirection;
+
+
+class STMPE1600DigiOut {
+	
+ public: 
+    STMPE1600DigiOut (DevI2C &i2c, ExpGpioPinName outpinname, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS, bool lvl=STMPE1600_DEF_DIGIOUT_LVL): dev_i2c(i2c), expdevaddr(DevAddr), exppinname(outpinname) 
+		{
+			uint8_t data[2];				
+			/* set the exppinname as output */
+			dev_i2c.i2c_read(data, expdevaddr, GPDR_0_7, 1);
+			dev_i2c.i2c_read(&data[1], expdevaddr, GPDR_8_15, 1);			
+			*(uint16_t*)data = *(uint16_t*)data | (1<<(uint16_t)exppinname);  // set gopio as out 			
+			dev_i2c.i2c_write(data, expdevaddr, GPDR_0_7, 1);
+			dev_i2c.i2c_write(&data[1], expdevaddr, GPDR_8_15, 1);			
+			write(lvl);
+			
+		}         
+
+		void write (int lvl) {
+			uint8_t data[2];			
+			/* set the exppinname state to lvl */
+			dev_i2c.i2c_read(data, expdevaddr, GPSR_0_7, 1);
+			dev_i2c.i2c_read(&data[1], expdevaddr, GPSR_8_15, 1);			
+			*(uint16_t*)data = *(uint16_t*)data & (~(1<<(uint16_t)exppinname));  // set pin mask 			
+			if (lvl) *(uint16_t*)data = *(uint16_t*)data | ( 1<<(uint16_t)exppinname);
+			dev_i2c.i2c_write(data, expdevaddr, GPSR_0_7, 1);
+			dev_i2c.i2c_write(&data[1], expdevaddr, GPSR_8_15, 1);			
+		}
+		
+		STMPE1600DigiOut& operator=(int lvl) {
+			write (lvl);
+			return *this;
+		}		
+		
+ private:
+    DevI2C          &dev_i2c; 
+    uint8_t     		expdevaddr;
+    ExpGpioPinName 	exppinname; 	
+};
+
+class STMPE1600DigiIn {
+	
+ public: 
+    STMPE1600DigiIn (DevI2C &i2c, ExpGpioPinName inpinname, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS): dev_i2c(i2c), expdevaddr(DevAddr), exppinname(inpinname) 
+		{
+			uint8_t data[2];
+			/* set the exppinname as input pin direction */
+			dev_i2c.i2c_read(data, expdevaddr, GPDR_0_7, 1);
+			dev_i2c.i2c_read(&data[1], expdevaddr, GPDR_8_15, 1);			
+			*(uint16_t*)data = *(uint16_t*)data & (~(1<<(uint16_t)exppinname));  // set gopio as in			
+			dev_i2c.i2c_write(data, expdevaddr, GPDR_0_7, 1);
+			dev_i2c.i2c_write(&data[1], expdevaddr, GPDR_8_15, 1);						
+		}         
+
+		bool read () {
+			uint8_t data[2];
+			/* read the exppinname */
+			dev_i2c.i2c_read(data, expdevaddr, GPMR_0_7, 1);
+			dev_i2c.i2c_read(&data[1], expdevaddr, GPMR_8_15, 1);			
+			*(uint16_t*)data = *(uint16_t*)data & (1<<(uint16_t)exppinname);  // mask the in gpio
+			if (data[0] || data[1]) return 1;
+			return 0;
+		}
+		
+		operator int() {		
+			return read();
+		}		
+		
+ private:
+    DevI2C          &dev_i2c; 
+    uint8_t     		expdevaddr;
+    ExpGpioPinName 	exppinname;      
+};
+
+
+#endif // __STMPE1600_CLASS