mirror of
https://github.com/ghsecuritylab/ameba_ws2812b.git
synced 2025-02-22 12:05:20 +00:00
114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
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/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2014, Realtek Semiconductor Corp.
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* All rights reserved.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*******************************************************************************
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*/
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#include "objects.h"
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#include "pinmap.h"
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#if CONFIG_GPIO_EN
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#include "gpio_api.h"
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void gpio_set_hal_pin_mode(gpio_t *obj)
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{
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if (obj->direction == PIN_OUTPUT) {
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switch (obj->mode) {
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case PullNone:
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case PullDown:
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case PullUp:
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obj->hal_pin.pin_mode = DOUT_PUSH_PULL;
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break;
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case OpenDrain:
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obj->hal_pin.pin_mode = DOUT_OPEN_DRAIN;
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break;
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default:
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obj->hal_pin.pin_mode = DOUT_PUSH_PULL;
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break;
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}
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}
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else {
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switch (obj->mode) {
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case PullNone:
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case OpenDrain:
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obj->hal_pin.pin_mode = DIN_PULL_NONE;
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break;
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case PullDown:
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obj->hal_pin.pin_mode = DIN_PULL_LOW;
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break;
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case PullUp:
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obj->hal_pin.pin_mode = DIN_PULL_HIGH;
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break;
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default:
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obj->hal_pin.pin_mode = DIN_PULL_NONE;
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break;
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}
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}
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}
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uint32_t gpio_set(PinName pin)
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{
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u32 ip_pin;
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//MBED_ASSERT(pin != (PinName)NC);
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DBG_ASSERT(pin != (PinName)NC);
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pin_function(pin, 0);
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ip_pin = HAL_GPIO_GetPinName((u32)pin);
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// DBG_GPIO_INFO("%s chip_pin[0x%x]->ip_pin[0x%x]\n", __FUNCTION__, pin, ip_pin);
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return ip_pin;
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}
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void gpio_init(gpio_t *obj, PinName pin)
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{
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if (pin == (PinName)NC)
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return;
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obj->pin = pin;
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obj->mode = PullNone;
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obj->direction = PIN_INPUT;
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obj->hal_pin.pin_name = gpio_set(pin); // get the IP pin name
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obj->hal_pin.pin_mode = DIN_PULL_NONE;
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HAL_GPIO_Init(&obj->hal_pin);
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}
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void gpio_mode(gpio_t *obj, PinMode mode)
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{
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obj->mode = mode;
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gpio_set_hal_pin_mode(obj);
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//DBG_GPIO_INFO("%s GPIO[0x%x], mode=%d\n", __FUNCTION__, obj->hal_pin.pin_name, obj->hal_pin.pin_mode);
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HAL_GPIO_Init(&obj->hal_pin);
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}
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void gpio_dir(gpio_t *obj, PinDirection direction) {
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// MBED_ASSERT(obj->pin != (PinName)NC);
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DBG_ASSERT(obj->pin != (PinName)NC);
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obj->direction = direction;
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gpio_set_hal_pin_mode(obj);
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//DBG_GPIO_INFO("%s GPIO[0x%x], mode=%d\n", __FUNCTION__, obj->hal_pin.pin_name, obj->hal_pin.pin_mode);
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HAL_GPIO_Init(&obj->hal_pin);
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}
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void gpio_write(gpio_t *obj, int value)
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{
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// MBED_ASSERT(obj->pin != (PinName)NC);
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DBG_ASSERT(obj->pin != (PinName)NC);
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HAL_GPIO_WritePin(&obj->hal_pin, value);
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}
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int gpio_read(gpio_t *obj) {
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// MBED_ASSERT(obj->pin != (PinName)NC);
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DBG_ASSERT(obj->pin != (PinName)NC);
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return HAL_GPIO_ReadPin(&obj->hal_pin);
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}
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#endif
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