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/**
* @file io-defs.h
*
* @ingroup lpc176x
*
* @brief Input/output module definitions.
*/
/*
* Copyright (c) 2014 Taller Technologies.
*
* @author Boretto Martin (martin.boretto@tallertechnologies.com)
* @author Diaz Marcos (marcos.diaz@tallertechnologies.com)
* @author Lenarduzzi Federico (federico.lenarduzzi@tallertechnologies.com)
* @author Daniel Chicco (daniel.chicco@tallertechnologies.com)
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_ARM_LPC176X_IO_DEFS_H
#define LIBBSP_ARM_LPC176X_IO_DEFS_H
#include <bsp/lpc176x.h>
#include <bsp/common-types.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define LPC176X_PLL0CON 0XAAU
#define LPC176X_PLL0CFG 0X55U
#define LPC176X_CCLK_PRESCALER_DIVISOR 1000000U
#define LPC176X_PINSEL ( &PINSEL0 )
#define LPC176X_PINMODE ( &PINMODE0 )
#define LPC176X_PIN_SELECT( index ) ( ( index ) >> 4U )
#define LPC176X_PIN_SELECT_SHIFT( index ) ( ( ( index ) & 0xFU ) << 1U )
#define LPC176X_PIN_SELECT_MASK 0x3U
#define LPC176X_PIN_SELECT_MASK_SIZE 2U
#define LPC176X_PIN_UART_0_TXD 2U
#define LPC176X_PIN_UART_0_RXD 3U
#define LPC176X_MODULE_BITS_COUNT 32U
#define LPC176X_MODULE_COUNT ( LPC176X_MODULE_USB + 1U )
#define LPC176X_IO_PORT_COUNT 5U
#define LPC176X_IO_INDEX_MAX ( LPC176X_IO_PORT_COUNT * \
LPC176X_MODULE_BITS_COUNT )
#define LPC176X_IO_INDEX_BY_PORT( port, bit ) ( ( ( port ) << 5U ) + ( bit ) )
#define LPC176X_IO_PORT( index ) ( ( index ) >> 5U )
#define LPC176X_IO_PORT_BIT( index ) ( ( index ) & 0x1FU )
/**
* @brief Defines the functions according to the pin.
*
* Enumerated type to define the set of pin function for a io device.
*/
typedef enum {
LPC176X_PIN_FUNCTION_00,
LPC176X_PIN_FUNCTION_01,
LPC176X_PIN_FUNCTION_10,
LPC176X_PIN_FUNCTION_11,
LPC176X_PIN_FUNCTION_COUNT
}
lpc176x_pin_function;
/**
* @brief Defines all type of pins.
*
* Enumerated type to define the set of pin type for a io device.
*/
typedef enum {
LPC176X_PIN_TYPE_DEFAULT,
LPC176X_PIN_TYPE_ADC,
LPC176X_PIN_TYPE_DAC,
LPC176X_PIN_TYPE_OPEN_DRAIN
} lpc176x_pin_type;
/**
* @brief Represents each pclksel number.
*
* Enumerated type to define the set of values for a pcklsel.
*/
typedef enum {
LPC176X_SCB_PCLKSEL0,
LPC176X_SCB_PCLKSEL1,
LPC176X_SCB_PCLKSEL_COUNT
} lpc176x_scb_value_pclksel;
/**
* @brief Defines the module entry.
*/
typedef struct {
/**
* @brief Power entry bit.
*/
unsigned char power : 1;
/**
* @brief Clock entry bit.
*/
unsigned char clock : 1;
/**
* @brief Index entry bits.
*/
unsigned char index : 6;
} lpc176x_module_entry;
#define LPC176X_MODULE_ENTRY( mod, pwr, clk, idx ) \
[ mod ] = { \
.power = pwr, \
.clock = clk, \
.index = idx \
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_LPC176X_IO_DEFS_H */
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