Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/port_api.c

Revision:

496:543871686697

Parent:

495:01cb89f68337

Child:

497:d54623194236

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/port_api.c	Fri Mar 20 09:30:08 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,103 +0,0 @@
-/* mbed Microcontroller Library
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * 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 STMicroelectronics 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
- *******************************************************************************
- */
-#include "port_api.h"
-#include "pinmap.h"
-#include "gpio_api.h"
-#include "mbed_error.h"
-
-#if DEVICE_PORTIN || DEVICE_PORTOUT
-
-extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
-
-// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
-// low nibble  = pin number
-PinName port_pin(PortName port, int pin_n)
-{
-    return (PinName)(pin_n + (port << 4));
-}
-
-void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
-{
-    uint32_t port_index = (uint32_t)port;
-
-    // Enable GPIO clock
-    uint32_t gpio_add = Set_GPIO_Clock(port_index);
-    GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
-    // Fill PORT object structure for future use
-    obj->port      = port;
-    obj->mask      = mask;
-    obj->direction = dir;
-    obj->reg_in    = &gpio->IDR;
-    obj->reg_out   = &gpio->ODR;
-
-    port_dir(obj, dir);
-}
-
-void port_dir(port_t *obj, PinDirection dir)
-{
-    uint32_t i;
-    obj->direction = dir;
-    for (i = 0; i < 16; i++) { // Process all pins
-        if (obj->mask & (1 << i)) { // If the pin is used
-            if (dir == PIN_OUTPUT) {
-                pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));
-            } else { // PIN_INPUT
-                pin_function(port_pin(obj->port, i), STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
-            }
-        }
-    }
-}
-
-void port_mode(port_t *obj, PinMode mode)
-{
-    uint32_t i;
-    for (i = 0; i < 16; i++) { // Process all pins
-        if (obj->mask & (1 << i)) { // If the pin is used
-            pin_mode(port_pin(obj->port, i), mode);
-        }
-    }
-}
-
-void port_write(port_t *obj, int value)
-{
-    *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
-}
-
-int port_read(port_t *obj)
-{
-    if (obj->direction == PIN_OUTPUT) {
-        return (*obj->reg_out & obj->mask);
-    } else { // PIN_INPUT
-        return (*obj->reg_in & obj->mask);
-    }
-}
-
-#endif