/*
- * gio.h
+ * Copyright (C) 2015 Czech Technical University in Prague
+ *
+ * Authors:
+ * - Michal Sojka <sojkam1@fel.cvut.cz>
+ * - Michal Horn
+ *
+ * This document contains proprietary information belonging to Czech
+ * Technical University in Prague. Passing on and copying of this
+ * document, and communication of its contents is not permitted
+ * without prior written authorization.
*
- * Created on: 29.10.2014
- * Author: Michal Horn
*/
-#ifndef GIO_H_
-#define GIO_H_
+#ifndef RPP_GIO_H
+#define RPP_GIO_H
#include "types.h"
+#include "drv/gio_names.h"
#define RPP_GIO_PORT_GIOA 0x2
#define RPP_GIO_PORT_GIOB 0x4
int8_t rpp_gio_init(uint32_t init_ports);
-int8_t rpp_gio_set_val(const char* pin_name, uint8_t value);
-
-int8_t rpp_gio_get_val(const char* pin_name);
-
-int8_t rpp_gio_set_output(const char* pin_name, uint8_t value);
-
-int8_t rpp_gio_set_input(const char* pin_name);
-
-int8_t rpp_gio_set_push_pull(const char* pin_name, boolean_t pull_up);
-
-int8_t rpp_gio_set_open_drain(const char* pin_name);
-
-int8_t rpp_gio_set_pull_up(const char* pin_name);
-
-int8_t rpp_gio_set_pull_down(const char* pin_name);
-
-boolean_t rpp_gio_is_dir_output(const char* pin_name);
+int8_t rpp_gio_set(enum pin_name pin, boolean_t value);
+int8_t rpp_gio_get(enum pin_name pin);
-boolean_t rpp_gio_is_push_pull(const char* pin_name);
+/** GIO pin input mode */
+enum rpp_gio_in_mode {
+ RPP_GIO_MODE_PULLDIS, /**< Disable pull resistor */
+ RPP_GIO_MODE_PULLUP,
+ RPP_GIO_MODE_PULLDOWN,
+};
-boolean_t rpp_gio_is_pull_up(const char* pin_name);
+/** GIO pin direction */
+enum rpp_gio_io {
+ RPP_GIO_IN,
+ RPP_GIO_OUT,
+};
-uint32_t rpp_gio_get_pin_cnt();
-
-int8_t rpp_gio_get_pin_names(const char** pin_names, uint8_t max_names_cnt);
-
-int8_t rpp_port_set_val(const char* port_name, uint8_t port_num_vals, const uint32_t* values);
-
-int8_t rpp_port_get_val(const char* port_name, uint8_t port_num_vals, uint32_t* values);
-
-int32_t rpp_port_get_pin_cnt(const char* port_name);
-
-int32_t rpp_port_get_port_cnt();
-
-int8_t rpp_port_get_port_names(const char** port_names, uint8_t max_names_cnt);
-
-int8_t rpp_port_get_interface_type(const char* port_name);
+/**
+ * Configure GIO pin
+ *
+ * @param pin Pin to configure
+ * @param io Configure the pin as input or output.
+ * @param in_mode Input settings. Ignored when pin is configured as
+ * output.
+ * @param open_drain Output is open drain when TRUE, pull/push when
+ * FALSE. Ignored when pin is configured as input.
+ *
+ * @return SUCCESS or FAILURE.
+ */
+int8_t rpp_gio_setup(enum pin_name pin,
+ enum rpp_gio_io io,
+ enum rpp_gio_in_mode in_mode,
+ boolean_t open_drain);
+int8_t rpp_gio_port_set(int port, uint32_t bits);
+int8_t rpp_gio_port_get(int port, uint32_t *bits);
#endif /* GIO_H_ */
/* Copyright (C) 2013-2015 Czech Technical University in Prague
* Authors:
* - Michal Horn <hornmich@fel.cvut.cz>
+ * - Michal Sojka <sojkam1@fel.cvut.cz>
*
* This document contains proprietary information belonging to Czech
* Technical University in Prague. Passing on and copying of this
*
*/
+#include "base.h"
#include "rpp/gio.h"
-#include "drv/digital_io.h"
+#include "drv/gio_tab.h"
static uint32_t ports_initialized = 0;
/* Configuration consistency check */
-#if RPP_GIO_PORT_GIOA != (1 << DIO_PORT_ID_GIOA) || \
- RPP_GIO_PORT_GIOB != (1 << DIO_PORT_ID_GIOB) || \
- RPP_GIO_PORT_NHET1 != (1 << DIO_PORT_ID_HET1)
-#error Port configuration is not consistent.
-#endif
+STATIC_ASSERT(RPP_GIO_PORT_GIOA == (1 << GIO_PORT_GIOA) &&
+ RPP_GIO_PORT_GIOB == (1 << GIO_PORT_GIOB) &&
+ RPP_GIO_PORT_NHET1 == (1 << GIO_PORT_HET1),
+ Port_configuration_is_not_consistent);
int8_t rpp_gio_init(uint32_t init_ports)
{
- unsigned pin;
+ enum pin_name pin;
gioREG->GCR0 = 1; // Bring GIO out of reset
- dio_pin_map_element_t* pin_map = dio_gpio_get_pin_map();
-
- for (pin = 0; pin < dio_gpio_get_pin_cnt(); pin++) {
- int port_num = dio_gpio_pin_get_port_num(pin_map[pin].pin_desc);
+ for (pin = (enum pin_name)0; pin < _PIN_COUNT; pin++) {
+ int port_num = gio_port(gio_table[pin].pin_dsc);
if ((init_ports & (1 << port_num)) &&
!(ports_initialized & (1 << port_num)))
- dio_gpio_pin_configure(pin_map[pin].pin_desc);
+ gio_setup(gio_table[pin].pin_dsc);
}
ports_initialized |= init_ports;
return SUCCESS;
}
-int8_t rpp_gio_set_val(const char* pin_name, uint8_t value) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_value(*pin_dsc, value);
- return SUCCESS;
-}
-
-int8_t rpp_gio_get_val(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- return dio_gpio_pin_get_value(*pin_dsc);
-}
-
-int8_t rpp_gio_set_output(const char* pin_name, uint8_t value) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_dir_out(*pin_dsc, value);
-
- return SUCCESS;
-}
-
-int8_t rpp_gio_set_input(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_dir_in(*pin_dsc);
-
- return SUCCESS;
-}
-
-int8_t rpp_gio_set_push_pull(const char* pin_name, boolean_t pull_up) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_od(*pin_dsc, DIO_PORT_CONF_OD_OFF);
- if (pull_up) {
- dio_gpio_pin_set_mode(*pin_dsc, DIO_PORT_CONF_MODE_PU|DIO_PORT_CONF_MODE_PEN);
- }
- else {
- dio_gpio_pin_set_mode(*pin_dsc, DIO_PORT_CONF_MODE_PD|DIO_PORT_CONF_MODE_PEN);
- }
-
- dio_gpio_pin_set_dir_in(*pin_dsc);
-
- return SUCCESS;
-}
-
-int8_t rpp_gio_set_open_drain(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_od(*pin_dsc, DIO_PORT_CONF_OD_ON);
- dio_gpio_pin_set_mode(*pin_dsc, DIO_PORT_CONF_MODE_PU|DIO_PORT_CONF_MODE_PDIS);
-
- dio_gpio_pin_set_dir_in(*pin_dsc);
-
- return SUCCESS;
-}
-
-int8_t rpp_gio_set_pull_up(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- dio_gpio_pin_set_mode(*pin_dsc, DIO_PORT_CONF_MODE_PU|DIO_PORT_CONF_MODE_PEN);
-
- return SUCCESS;
-}
-
-int8_t rpp_gio_set_pull_down(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
+int8_t rpp_gio_set(enum pin_name pin, boolean_t value)
+{
+ if (ports_initialized == 0 || pin >= _PIN_COUNT || pin < 0)
return FAILURE;
- }
-
- dio_gpio_pin_set_mode(*pin_dsc, DIO_PORT_CONF_MODE_PD|DIO_PORT_CONF_MODE_PEN);
+ gio_tab_set(pin, value);
return SUCCESS;
}
-boolean_t rpp_gio_is_dir_output(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
-
- int dir = dio_gpio_pin_get_dir(*pin_dsc);
- return (dir == 1) ? TRUE : FALSE;
-}
-
-boolean_t rpp_gio_is_push_pull(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
- return !(dio_gpio_pin_get_port_base(*pin_dsc)->PULDIS >> ((*pin_dsc & 0x1f) & 1));
-}
-
-boolean_t rpp_gio_is_pull_up(const char* pin_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
-
- uint32_t* pin_dsc = dio_gpio_pin_get_dsc(pin_name, -1);
- if (pin_dsc == NULL) {
- return FAILURE;
- }
- return dio_gpio_pin_get_port_base(*pin_dsc)->PSL >> ((*pin_dsc & 0x1f) & 1);
-}
-
-uint32_t rpp_gio_get_pin_cnt() {
- return dio_gpio_get_pin_cnt();
-}
-
-int8_t rpp_gio_get_pin_names(const char** pin_names, uint8_t max_names_cnt) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (pin_names == NULL) {
+int8_t rpp_gio_get(enum pin_name pin)
+{
+ if (ports_initialized == 0 || pin >= _PIN_COUNT || pin < 0)
return FAILURE;
- }
- dio_pin_map_element_t* pin_map = dio_gpio_get_pin_map();
- uint32_t pin_cnt = dio_gpio_get_pin_cnt();
-
- uint32_t i;
- for (i = 0; i < pin_cnt && i < max_names_cnt; i++) {
- pin_names[i] = pin_map[i].pin_name;
- }
-
- return i;
+ return gio_tab_get(pin) ? 1 : 0;
}
-int8_t rpp_port_set_val(const char* port_name, uint8_t port_num_vals, const uint32_t* values) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (port_name == NULL || values == NULL) {
- return FAILURE;
- }
- const dio_port_desc_t* port = dio_port_get_dsc(port_name, -1);
- if (port != NULL && dio_port_get_val_cnt(port) != port_num_vals) {
+int8_t rpp_gio_setup(enum pin_name pin, enum rpp_gio_io io, enum rpp_gio_in_mode in_mode,
+ boolean_t open_drain)
+{
+ if (ports_initialized == 0 || pin >= _PIN_COUNT || pin < 0)
return FAILURE;
- }
- dio_gpio_port_set_val(port->config, port_num_vals, values);
- return SUCCESS;
-}
-
-int8_t rpp_port_get_val(const char* port_name, uint8_t port_num_vals, uint32_t* values) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (port_name == NULL || values == NULL) {
- return FAILURE;
- }
- dio_port_desc_t* port = dio_port_get_dsc(port_name, -1);
- if (port != NULL && dio_port_get_val_cnt(port) != port_num_vals) {
- return FAILURE;
- }
+ uint32_t mode_flags[] = {
+ [RPP_GIO_MODE_PULLDIS] = GIO_PIN_CONF_MODE_PDIS,
+ [RPP_GIO_MODE_PULLUP] = GIO_PIN_CONF_MODE_PU | GIO_PIN_CONF_MODE_PEN,
+ [RPP_GIO_MODE_PULLDOWN] = GIO_PIN_CONF_MODE_PD | GIO_PIN_CONF_MODE_PEN,
+ };
+ uint32_t dsc = gio_table[pin].pin_dsc & ~GIO_PIN_CONF_MASK;
+ dsc |= (io == RPP_GIO_OUT) ? GIO_PIN_CONF_DIR_OUT : GIO_PIN_CONF_DIR_IN;
+ dsc |= mode_flags[in_mode];
+ dsc |= open_drain ? GIO_PIN_CONF_OD_ON : GIO_PIN_CONF_OD_OFF;
- dio_gpio_port_get_val(port->config, port_num_vals, values);
+ gio_setup(dsc);
return SUCCESS;
}
-
-int32_t rpp_port_get_pin_cnt(const char* port_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (port_name == NULL) {
- return FAILURE;
- }
- return dio_port_get_val_cnt(dio_port_get_dsc(port_name, -1));
-}
-
-int32_t rpp_port_get_port_cnt() {
- return DIO_PORT_CNT;
-}
-
-int8_t rpp_port_get_port_names(const char** port_names, uint8_t max_names_cnt) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (port_names == NULL) {
- return FAILURE;
- }
-
- const dio_port_def_t* port_map = dio_port_get_map();
-
- uint32_t port_cnt = DIO_PORT_CNT;
- uint32_t i;
- for (i = 0; i < port_cnt && i < max_names_cnt; i++) {
- port_names[i] = port_map[i].name;
- }
-
- return i;
-}
-
-int8_t rpp_port_get_interface_type(const char* port_name) {
- if (ports_initialized == 0) {
- return FAILURE;
- }
- if (port_name == NULL) {
- return FAILURE;
- }
-
- dio_port_desc_t* port = dio_port_get_dsc(port_name, -1);
- if (port == NULL) {
- return FAILURE;
- }
-
- return port->interfaceType;
-}
-
projects / pes-rpp / rpp-lib.git / commitdiff