added guhRF; added atmega256rfr2 support

2016-03-19 14:18:51 +01:00 · 2016-03-19 14:18:51 +01:00 · 79df347afa
commit 79df347afa
parent 9a3c6adf8d
115 changed files with 13276 additions and 23 deletions
--- a/platform/RaspBee/dev/i2c.h
+++ b/platform/RaspBee/dev/i2c.h
@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2014, Ingo Gulyas Intembsys
+ * 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 the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ */
+
+ /**
+ * \file
+ *         I2C driver for ATMEGA128rfa1
+ *
+ * \author
+ *         Ingo Gulyas Intembsys
+ *         office@intembsys.at
+ *         www.intembsys.at
+ */
+ 
+
+#ifndef I2C_H_
+#define I2C_H_
+
+
+#include <stdint.h>
+
+////////////////////////////////////////////////////////////////////////////////////////////
+// CONFIGURATION SECTION:
+
+#define I2C_TD          0			// compiler switch: i2c testdriver code
+
+#define I2C_PORT            PORTD
+#define I2C_DDR             DDRD
+#define I2C_SCL_PIN         0
+#define I2C_SDA_PIN         1
+
+// END OF CONFIGURATION SECTION
+////////////////////////////////////////////////////////////////////////////////////////////
+
+#define I2C_INIT()          ({I2C_DDR &= ~((1<<I2C_SCL_PIN) | (1<<I2C_SDA_PIN)); I2C_PORT |= ((1<<I2C_SCL_PIN) | (1<<I2C_SDA_PIN));})
+#define I2C_DEINIT()        ({I2C_DDR &= ~((1<<I2C_SCL_PIN) | (1<<I2C_SDA_PIN)); I2C_PORT |= ((1<<I2C_SCL_PIN) | (1<<I2C_SDA_PIN));})
+
+#define I2C_FREQ_STANDARD I2C_FREQ_50KHZ
+
+#if F_CPU == 16000000UL
+	#define	I2C_FREQ_400KHZ  0x03
+	#define	I2C_FREQ_250KHZ  0x06
+	#define	I2C_FREQ_100KHZ  0x12
+	#define	I2C_FREQ_50KHZ   0x26
+	#define I2C_FREQ_10KHZ   0xC6
+#else
+	#error "NO I2C FREQUENCY DEFINED -> CHECK F_CPU SETTINGS!"
+#endif
+
+
+#define I2C_STATUS_REG        TWSR
+#define I2C_TX_REG            TWDR
+#define I2C_RX_REG            TWDR
+
+#define I2C_START()           (TWCR = (1<<TWINT) |(1<<TWSTA) | (1<<TWEN))
+#define I2C_STOP()            (TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO))
+#define I2C_WRITE_BYTE()      (TWCR = (1<<TWINT) | (1<<TWEN))
+#define I2C_READ_BYTE_ACK()   (TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA))
+#define I2C_READ_BYTE_NACK()  (TWCR = (1<<TWINT) | (1<<TWEN))
+#define I2C_STATUS()          (I2C_STATUS_REG & I2C_STATUS_MASK)
+
+#define I2C_STATUS_MASK       0xF8
+#define I2C_STATUS_START      0x08
+#define I2C_STATUS_START_REP  0x10
+#define I2C_STATUS_SLAW_ACK   0x18
+#define I2C_STATUS_DATAW_ACK  0x28
+#define I2C_STATUS_SLAR_ACK   0x40
+#define I2C_STATUS_DATAR_ACK  0x50
+#define I2C_STATUS_DATAR_NACK 0x58
+
+#define I2C_ADR_WR(adr)       ((adr<<1) & ~(1<<0))
+#define I2C_ADR_RD(adr)       ((adr<<1) | (1<<0))
+
+#define I2C_CMD_FLAG_NONE     0x00
+#define I2C_CMD_FLAG_START    (1<<0)
+#define I2C_CMD_FLAG_STOP     (1<<1)
+
+
+#define I2C_OK                0
+#define I2C_ERROR_DRIVER      -1
+#define I2C_ERROR_TIMEOUT     -2
+#define I2C_ERROR_START       -3
+#define I2C_ERROR_WRITE       -4
+#define I2C_ERROR_READ        -5
+
+
+#define I2C_IOCTL_CMD_SET_FREQ 0x01
+
+
+typedef struct i2c_driver i2c_driver;
+struct i2c_driver
+{
+	int8_t (*ioctl)(const i2c_driver* const me, uint8_t cmd, uint8_t arg);
+	int8_t (*read)(const i2c_driver* const me, uint8_t cmd_flags, uint8_t* buffer, uint8_t len);
+	int8_t (*write)(const i2c_driver* const me, uint8_t cmd_flags, const uint8_t* data, uint8_t len);
+};
+
+i2c_driver* i2c_open(void);
+void i2c_close(i2c_driver* const me);
+void i2c_reset(void);
+
+
+#endif /* I2C_H_ */