Paul Paterson / mbed-dev

Fork of mbed-dev by mbed official

Revision:
149:156823d33999
Parent:
144:ef7eb2e8f9f7
diff -r 21d94c44109e -r 156823d33999 targets/TARGET_WIZNET/TARGET_W7500x/W7500x_Peripheral_Library/W7500x_i2c.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/W7500x_Peripheral_Library/W7500x_i2c.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,81 @@
+/* mbed Microcontroller Library 
+ *******************************************************************************
+ * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
+ * All rights reserved.
+ *
+ * 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 ARM Limited 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.
+ *******************************************************************************
+ */
+/*include -------------------------------------*/
+#ifndef __W7500X_I2C_H
+#define __W7500X_I2C_H
+
+#include "W7500x.h"
+
+
+typedef enum {
+    I2C_PA_5    = 0x05,
+    I2C_PA_6    = 0x06,
+    I2C_PA_9    = 0x09,
+    I2C_PA_10   = 0x0A,
+    I2C_PC_4    = 0x24,
+    I2C_PC_5    = 0x25,
+    I2C_PC_8    = 0x28,
+    // Not connected
+    I2C_NC = (int)0xFFFFFFFF
+} I2C_PinName;
+
+typedef struct
+{
+    I2C_PinName scl;
+    I2C_PinName sda;
+}I2C_ConfigStruct;
+
+
+#define I2C_PORT(X) (((uint32_t)(X) >> 4) & 0xF)    // port number (0=A, 1=B, 2=C, 3=D)
+#define I2C_PIN_INDEX(X)  (1 << ((uint32_t)(X) & 0xF))    // pin index : flag bit 
+ 
+uint32_t I2C_Init(I2C_ConfigStruct* conf);
+
+void I2C_WriteBitSDA(I2C_ConfigStruct* conf, uint8_t data);
+void I2C_WriteBitSCL(I2C_ConfigStruct* conf, uint8_t data);
+uint8_t I2C_ReadBitSDA(I2C_ConfigStruct* conf);
+
+void I2C_SendACK(I2C_ConfigStruct* conf);
+void I2C_SendNACK(I2C_ConfigStruct* conf);
+
+uint8_t I2C_WriteByte(I2C_ConfigStruct* conf, uint8_t data);
+uint8_t I2C_ReadByte(I2C_ConfigStruct* conf);
+
+void I2C_Start(I2C_ConfigStruct* conf);
+void I2C_Stop(I2C_ConfigStruct* conf);
+
+int I2C_Write(I2C_ConfigStruct* conf, uint8_t addr, uint8_t* data, uint32_t len);
+int I2C_WriteRepeated(I2C_ConfigStruct* conf, uint8_t addr, uint8_t* data, uint32_t len);
+int I2C_Read(I2C_ConfigStruct* conf, uint8_t addr, uint8_t* data, uint32_t len);
+int I2C_ReadRepeated(I2C_ConfigStruct* conf, uint8_t addr, uint8_t* data, uint32_t len);
+
+
+ #endif //__W7500X_I2C_H
+