Diff: targets/hal/TARGET_STM/TARGET_STM32F1/pinmap.c

Revision:

637:43dc64e319ca

Parent:

636:cdb71f051ab2

--- a/targets/hal/TARGET_STM/TARGET_STM32F1/pinmap.c	Thu Apr 14 06:45:56 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,211 +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 "mbed_assert.h"
-#include "pinmap.h"
-#include "PortNames.h"
-#include "mbed_error.h"
-
-// GPIO mode look-up table
-// Warning: the elements order must be the same as the one defined in PinNames.h
-static const uint32_t gpio_mode[13] = {
-    GPIO_MODE_INPUT,              //  0 = STM_MODE_INPUT
-    GPIO_MODE_OUTPUT_PP,          //  1 = STM_MODE_OUTPUT_PP
-    GPIO_MODE_OUTPUT_OD,          //  2 = STM_MODE_OUTPUT_OD
-    GPIO_MODE_AF_PP,              //  3 = STM_MODE_AF_PP
-    GPIO_MODE_AF_OD,              //  4 = STM_MODE_AF_OD
-    GPIO_MODE_ANALOG,             //  5 = STM_MODE_ANALOG
-    GPIO_MODE_IT_RISING,          //  6 = STM_MODE_IT_RISING
-    GPIO_MODE_IT_FALLING,         //  7 = STM_MODE_IT_FALLING
-    GPIO_MODE_IT_RISING_FALLING,  //  8 = STM_MODE_IT_RISING_FALLING
-    GPIO_MODE_EVT_RISING,         //  9 = STM_MODE_EVT_RISING
-    GPIO_MODE_EVT_FALLING,        // 10 = STM_MODE_EVT_FALLING
-    GPIO_MODE_EVT_RISING_FALLING, // 11 = STM_MODE_EVT_RISING_FALLING
-    0x10000000                    // 12 = STM_MODE_IT_EVT_RESET (not in STM32Cube HAL)
-};
-
-// Enable GPIO clock and return GPIO base address
-uint32_t Set_GPIO_Clock(uint32_t port_idx)
-{
-    uint32_t gpio_add = 0;
-    switch (port_idx) {
-        case PortA:
-            gpio_add = GPIOA_BASE;
-            __GPIOA_CLK_ENABLE();
-            break;
-        case PortB:
-            gpio_add = GPIOB_BASE;
-            __GPIOB_CLK_ENABLE();
-            break;
-        case PortC:
-            gpio_add = GPIOC_BASE;
-            __GPIOC_CLK_ENABLE();
-            break;
-        case PortD:
-            gpio_add = GPIOD_BASE;
-            __GPIOD_CLK_ENABLE();
-            break;
-        default:
-            error("Pinmap error: wrong port number.");
-            break;
-    }
-    return gpio_add;
-}
-
-/**
- * Configure pin (input, output, alternate function or analog) + output speed + AF
- */
-void pin_function(PinName pin, int data)
-{
-    MBED_ASSERT(pin != (PinName)NC);
-    // Get the pin informations
-    uint32_t mode  = STM_PIN_MODE(data);
-    uint32_t pupd  = STM_PIN_PUPD(data);
-    uint32_t afnum = STM_PIN_AFNUM(data);
-
-    uint32_t port_index = STM_PORT(pin);
-    uint32_t pin_index  = STM_PIN(pin);
-
-    // Enable GPIO clock
-    uint32_t gpio_add = Set_GPIO_Clock(port_index);
-    GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
-    // Enable AFIO clock
-    __HAL_RCC_AFIO_CLK_ENABLE();
-
-    // Configure Alternate Function
-    // Warning: Must be done before the GPIO is initialized
-    if (afnum > 0) {
-        switch (afnum) {
-            case 1: // Remap SPI1
-                __HAL_AFIO_REMAP_SPI1_ENABLE();
-                break;
-            case 2: // Remap I2C1
-                __HAL_AFIO_REMAP_I2C1_ENABLE();
-                break;
-            case 3: // Remap USART1
-                __HAL_AFIO_REMAP_USART1_ENABLE();
-                break;
-            case 4: // Remap USART2
-                __HAL_AFIO_REMAP_USART2_ENABLE();
-                break;
-            case 5: // Partial Remap USART3
-                __HAL_AFIO_REMAP_USART3_PARTIAL();
-                break;
-            case 6: // Partial Remap TIM1
-                __HAL_AFIO_REMAP_TIM1_PARTIAL();
-                break;
-            case 7: // Partial Remap TIM3
-                __HAL_AFIO_REMAP_TIM3_PARTIAL();
-                break;
-            case 8: // Full Remap TIM2
-                __HAL_AFIO_REMAP_TIM2_ENABLE();
-                break;
-            case 9: // Full Remap TIM3
-                __HAL_AFIO_REMAP_TIM3_ENABLE();
-                break;
-            default:
-                break;
-        }
-    }
-
-    // Configure GPIO
-    GPIO_InitTypeDef GPIO_InitStructure;
-    GPIO_InitStructure.Pin   = (uint32_t)(1 << pin_index);
-    GPIO_InitStructure.Mode  = gpio_mode[mode];
-    GPIO_InitStructure.Pull  = pupd;
-    GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
-    HAL_GPIO_Init(gpio, &GPIO_InitStructure);
-
-    // Disconnect JTAG-DP + SW-DP signals.
-    // Warning: Need to reconnect under reset
-    if ((pin == PA_13) || (pin == PA_14)) {
-        __HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
-    }
-    if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
-        __HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
-    }
-}
-
-/**
- * Configure pin pull-up/pull-down
- */
-void pin_mode(PinName pin, PinMode mode)
-{
-    MBED_ASSERT(pin != (PinName)NC);
-
-    uint32_t port_index = STM_PORT(pin);
-    uint32_t pin_index  = STM_PIN(pin);
-
-    // Enable GPIO clock
-    uint32_t gpio_add = Set_GPIO_Clock(port_index);
-    GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
-
-    // Configure open-drain and pull-up/down
-    switch (mode) {
-        case PullNone:
-            break;
-        case PullUp:
-        case PullDown:
-            // Set pull-up / pull-down for Input mode
-            if (pin_index < 8) {
-                if ((gpio->CRL & (0x03 << (pin_index * 4))) == 0) { // MODE bits = Input mode
-                    gpio->CRL |= (0x08 << (pin_index * 4)); // Set pull-up / pull-down
-                    gpio->CRL &= ~(0x08 << ((pin_index * 4)-1)); // ENSURES GPIOx_CRL.CNFx.bit0 = 0
-                }
-            } else {
-                if ((gpio->CRH & (0x03 << ((pin_index % 8) * 4))) == 0) { // MODE bits = Input mode
-                    gpio->CRH |= (0x08 << ((pin_index % 8) * 4)); // Set pull-up / pull-down
-                    gpio->CRH &= ~(0x08 << (((pin_index % 8) * 4)-1)); // ENSURES GPIOx_CRH.CNFx.bit0 = 0
-                }
-            }
-            // Now it's time to setup properly if pullup or pulldown. This is done in ODR register:
-            // set pull-up => bit=1, set pull-down => bit = 0
-            if (mode == PullUp) {
-                gpio->ODR |= (0x01 << (pin_index)); // Set pull-up
-            } else{
-                gpio->ODR &= ~(0x01 << (pin_index)); // Set pull-down
-            }
-            break;
-        case OpenDrain:
-            // Set open-drain for Output mode (General Purpose or Alternate Function)
-            if (pin_index < 8) {
-                if ((gpio->CRL & (0x03 << (pin_index * 4))) > 0) { // MODE bits = Output mode
-                    gpio->CRL |= (0x04 << (pin_index * 4)); // Set open-drain
-                }
-            } else {
-                if ((gpio->CRH & (0x03 << ((pin_index % 8) * 4))) > 0) { // MODE bits = Output mode
-                    gpio->CRH |= (0x04 << ((pin_index % 8) * 4)); // Set open-drain
-                }
-            }
-            break;
-        default:
-            break;
-    }
-}