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/**
* @file
*
* @ingroup lm3s69xx_io
*
* @brief IO definitions.
*/
/*
* Copyright © 2013 Eugeniy Meshcheryakov <eugen@debian.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBBSP_ARM_LM3S69XX_IO_H
#define LIBBSP_ARM_LM3S69XX_IO_H
#include <bspopts.h>
#include <stdbool.h>
/**
* @defgroup lm3s69xx_io IO Support
*
* @ingroup RTEMSBSPsARMLM3S69XX
*
* @brief IO support.
*/
typedef enum {
LM3S69XX_GPIO_DIRECTION_INPUT,
LM3S69XX_GPIO_DIRECTION_OUTPUT
} lm3s69xx_gpio_direction;
typedef enum {
LM3S69XX_GPIO_OTYPE_PUSH_PULL,
LM3S69XX_GPIO_OTYPE_OPEN_DRAIN
} lm3s69xx_gpio_otype;
typedef enum {
LM3S69XX_GPIO_DRIVE_2MA,
LM3S69XX_GPIO_DRIVE_4MA,
LM3S69XX_GPIO_DRIVE_8MA
} lm3s69xx_gpio_drive;
typedef enum {
LM3S69XX_GPIO_NO_PULL,
LM3S69XX_GPIO_PULL_UP,
LM3S69XX_GPIO_PULL_DOWN
} lm3s69xx_gpio_pull;
typedef enum {
LM3S69XX_GPIO_DIGITAL_DISABLE,
LM3S69XX_GPIO_DIGITAL_ENABLE,
} lm3s69xx_gpio_digital;
typedef enum {
LM3S69XX_GPIO_AF_DISABLE,
LM3S69XX_GPIO_AF_ENABLE
} lm3s69xx_gpio_af;
typedef enum {
LM3S69XX_GPIO_ANALOG_DISABLE,
LM3S69XX_GPIO_ANALOG_ENABLE
} lm3s69xx_gpio_analog;
typedef enum {
LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL,
LM3S69XX_GPIO_SLEW_RATE_CONTROL
} lm3s69xx_gpio_slew_rate_control;
typedef struct {
unsigned int pin_first : 8;
unsigned int pin_last : 8;
unsigned int digital : 1;
unsigned int alternate : 1;
unsigned int analog : 1;
unsigned int dir : 1;
unsigned int otype : 1;
unsigned int drive : 2;
unsigned int pull : 2;
unsigned int slr : 1;
} lm3s69xx_gpio_config;
typedef enum {
LM3S69XX_PORT_A,
LM3S69XX_PORT_B,
LM3S69XX_PORT_C,
LM3S69XX_PORT_D,
LM3S69XX_PORT_E,
LM3S69XX_PORT_F,
LM3S69XX_PORT_G,
#if LM3S69XX_NUM_GPIO_BLOCKS > 7
LM3S69XX_PORT_H
#endif
} lm3s69xx_gpio_port;
#define LM3S69XX_GPIO_PIN(port, idx) (((port) << 3) | (idx))
#define LM3S69XX_GPIO_PORT_OF_PIN(pin) (((pin) >> 3) & 0xf)
#define LM3S69XX_GPIO_INDEX_OF_PIN(pin) ((pin) & 0x7)
#define LM3S69XX_PIN_UART_TX(port, idx) \
{ \
.pin_first = LM3S69XX_GPIO_PIN(port, idx), \
.pin_last = LM3S69XX_GPIO_PIN(port, idx), \
.digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \
.alternate = LM3S69XX_GPIO_AF_ENABLE, \
.analog = LM3S69XX_GPIO_ANALOG_DISABLE, \
.dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \
.otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \
.drive = LM3S69XX_GPIO_DRIVE_2MA, \
.pull = LM3S69XX_GPIO_NO_PULL, \
.slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \
}
#define LM3S69XX_PIN_UART_RX(port, idx) \
{ \
.pin_first = LM3S69XX_GPIO_PIN(port, idx), \
.pin_last = LM3S69XX_GPIO_PIN(port, idx), \
.digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \
.alternate = LM3S69XX_GPIO_AF_ENABLE, \
.analog = LM3S69XX_GPIO_ANALOG_DISABLE, \
.dir = LM3S69XX_GPIO_DIRECTION_INPUT, \
.otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \
.drive = LM3S69XX_GPIO_DRIVE_2MA, \
.pull = LM3S69XX_GPIO_PULL_UP, \
.slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \
}
#define LM3S69XX_PIN_UART_RTS(port, idx) \
{ \
.pin_first = LM3S69XX_GPIO_PIN(port, idx), \
.pin_last = LM3S69XX_GPIO_PIN(port, idx), \
.digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \
.alternate = LM3S69XX_GPIO_AF_ENABLE, \
.analog = LM3S69XX_GPIO_ANALOG_DISABLE, \
.dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \
.otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \
.drive = LM3S69XX_GPIO_DRIVE_2MA, \
.pull = LM3S69XX_GPIO_NO_PULL, \
.slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \
}
#define LM3S69XX_PIN_UART_CTS(port, idx) \
{ \
.pin_first = LM3S69XX_GPIO_PIN(port, idx), \
.pin_last = LM3S69XX_GPIO_PIN(port, idx), \
.digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \
.alternate = LM3S69XX_GPIO_AF_ENABLE, \
.analog = LM3S69XX_GPIO_ANALOG_DISABLE, \
.dir = LM3S69XX_GPIO_DIRECTION_INPUT, \
.otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \
.drive = LM3S69XX_GPIO_DRIVE_2MA, \
.pull = LM3S69XX_GPIO_PULL_UP, \
.slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \
}
#define LM3S69XX_PIN_LED(port, idx) \
{ \
.pin_first = LM3S69XX_GPIO_PIN(port, idx), \
.pin_last = LM3S69XX_GPIO_PIN(port, idx), \
.digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \
.alternate = LM3S69XX_GPIO_AF_DISABLE, \
.analog = LM3S69XX_GPIO_ANALOG_DISABLE, \
.dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \
.otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \
.drive = LM3S69XX_GPIO_DRIVE_8MA, \
.pull = LM3S69XX_GPIO_NO_PULL, \
.slr = LM3S69XX_GPIO_SLEW_RATE_CONTROL \
}
#define LM3S69XX_PIN_SSI_TX(port, idx) LM3S69XX_PIN_UART_TX(port, idx)
#define LM3S69XX_PIN_SSI_RX(port, idx) LM3S69XX_PIN_UART_RX(port, idx)
#ifdef __cplusplus
extern "C" {
#endif
void lm3s69xx_gpio_set_config(const lm3s69xx_gpio_config *config);
void lm3s69xx_gpio_set_config_array(const lm3s69xx_gpio_config *configs, unsigned int count);
void lm3s69xx_gpio_digital_enable(unsigned int pin, bool enable);
void lm3s69xx_gpio_analog_mode_select(unsigned int pin, bool enable);
void lm3s69xx_gpio_set_pin(unsigned int pin, bool set);
bool lm3s69xx_gpio_get_pin(unsigned int pin);
#ifdef __cplusplus
}
#endif
#endif /* LIBBSP_ARM_LM3S69XX_IO_H */
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