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Diffstat (limited to 'bsps/arm/lm3s69xx/include/bsp/io.h')
| -rw-r--r-- | bsps/arm/lm3s69xx/include/bsp/io.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/bsps/arm/lm3s69xx/include/bsp/io.h b/bsps/arm/lm3s69xx/include/bsp/io.h new file mode 100644 index 0000000000..f9ddf4c8ee --- /dev/null +++ b/bsps/arm/lm3s69xx/include/bsp/io.h @@ -0,0 +1,191 @@ +/** + * @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 arm_lm3s69xx + * + * @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 */ |