喷淋器 P0 功能实现
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/******************************************************************************
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* @file bsp_hw.c
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* @brief 板级 GPIO：红绿 LED、双键、泵双脚（成对切）
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* @author cyWu <1917507415@qq.com>
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* @date 2026.09.09
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* @version V1.0.0
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* @history
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* - V1.0.0, 2026.09.09, cyWu, P0 Bring-up 首次发布
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*
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* @note 泵两脚 PC2(5V 供) + PA6(导通) 必须同开同关，bsp_pump_set 是
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* 唯一写泵 GPIO 的出口；上电默认两脚都低，绝不按 VM 自动开泵。
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******************************************************************************/
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#include "system/includes.h"
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#include "asm/gpio.h"
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#include "bsp_hw.h"
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#define LOG_TAG_CONST APP
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#define LOG_TAG "[BSP_HW]"
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#define LOG_ERROR_ENABLE
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#define LOG_INFO_ENABLE
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#include "debug.h"
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static uint8_t s_initialized;
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/**
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* @brief 配置 GPIO 为推挽输出
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* @param pin GPIO 编号
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* @param value 输出初值（电平）
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* @return 无
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*/
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static void bsp_pin_output(u32 pin, int value)
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{
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gpio_set_pull_up(pin, 0);
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gpio_set_pull_down(pin, 0);
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gpio_set_die(pin, 1);
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gpio_direction_output(pin, value);
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}
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/**
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* @brief 配置 GPIO 为数字输入（可内部上拉）
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* @param pin GPIO 编号
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* @param pull_up 1=内部上拉，0=不上拉
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* @return 无
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*/
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static void bsp_pin_input(u32 pin, int pull_up)
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{
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gpio_direction_output(pin, 1);
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gpio_set_direction(pin, 1);
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gpio_set_pull_down(pin, 0);
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gpio_set_pull_up(pin, pull_up ? 1 : 0);
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gpio_set_die(pin, 1);
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}
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/**
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* @brief 写单个输出引脚到指定逻辑电平
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* @param pin GPIO 编号
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* @param value 电平值
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* @return 无
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*/
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static void bsp_pin_write(u32 pin, int value)
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{
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gpio_direction_output(pin, value);
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}
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/**
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* @brief 初始化 GPIO
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* @note 上电顺序：泵两脚先保持低（PC2=0 且 PA6=0），灯全灭（由事件表接管）。
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* @return BSP_HW_OK=成功
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*/
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BspHw_Ret_t bsp_hw_init(void)
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{
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if (s_initialized) {
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return BSP_HW_OK;
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}
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#if BOARD_LED_ENABLE
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bsp_pin_output(BOARD_LED_RED_PIN, BOARD_LED_ON_LEVEL ? 0 : 1); /* 红灯灭 */
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bsp_pin_output(BOARD_LED_GREEN_PIN, BOARD_LED_ON_LEVEL ? 0 : 1); /* 绿灯灭 */
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#else
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log_info("hw led disabled\n");
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#endif
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#if BOARD_KEY_ENABLE
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bsp_pin_input(BOARD_KEY_SPRAY_PIN, 1); /* 上拉输入，低按下 */
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bsp_pin_input(BOARD_KEY_PAIR_PIN, 1);
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#else
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log_info("hw key disabled\n");
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#endif
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#if BOARD_PUMP_ENABLE
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/* 泵两脚初始都低：上电绝不喷（规格书 2.2 安全） */
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bsp_pin_output(BOARD_PUMP_PWR_PIN, BOARD_PUMP_ON_LEVEL ? 0 : 1);
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bsp_pin_output(BOARD_PUMP_SW_PIN, BOARD_PUMP_ON_LEVEL ? 0 : 1);
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#else
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log_info("hw pump disabled\n");
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#endif
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s_initialized = 1;
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log_info("hw init led=%d key=%d pump=%d\n",
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BOARD_LED_ENABLE, BOARD_KEY_ENABLE, BOARD_PUMP_ENABLE);
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return BSP_HW_OK;
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}
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/**
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* @brief 查询板级硬件是否已初始化
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* @return BSP_HW_OK=已初始化，BSP_HW_ERR_NOT_INIT=未初始化
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*/
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BspHw_Ret_t bsp_hw_get_status(void)
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{
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return s_initialized ? BSP_HW_OK : BSP_HW_ERR_NOT_INIT;
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}
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/**
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* @brief 红灯开关（PA8，低电平亮）
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* @param on 1=亮，0=灭
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* @return 无
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*/
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void bsp_led_red_set(uint8_t on)
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{
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#if BOARD_LED_ENABLE
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bsp_pin_write(BOARD_LED_RED_PIN,
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on ? BOARD_LED_ON_LEVEL : (BOARD_LED_ON_LEVEL ? 0 : 1));
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#else
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(void)on;
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#endif
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}
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/**
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* @brief 绿灯开关（PA7，低电平亮）
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* @param on 1=亮，0=灭
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* @return 无
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*/
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void bsp_led_green_set(uint8_t on)
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{
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#if BOARD_LED_ENABLE
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bsp_pin_write(BOARD_LED_GREEN_PIN,
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on ? BOARD_LED_ON_LEVEL : (BOARD_LED_ON_LEVEL ? 0 : 1));
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#else
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(void)on;
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#endif
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}
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/**
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* @brief 红绿全灭
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* @return 无
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*/
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void bsp_led_all_off(void)
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{
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bsp_led_red_set(0);
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bsp_led_green_set(0);
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}
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/**
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* @brief 读喷淋键（PB1）
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* @return 1=按下，0=未按下
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*/
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uint8_t bsp_key_spray_is_pressed(void)
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{
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#if BOARD_KEY_ENABLE
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return (uint8_t)(gpio_read(BOARD_KEY_SPRAY_PIN) == BOARD_KEY_ACTIVE_LEVEL);
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#else
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return 0;
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#endif
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}
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/**
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* @brief 读配网键（PA0）
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* @return 1=按下，0=未按下
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*/
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uint8_t bsp_key_pair_is_pressed(void)
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{
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#if BOARD_KEY_ENABLE
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return (uint8_t)(gpio_read(BOARD_KEY_PAIR_PIN) == BOARD_KEY_ACTIVE_LEVEL);
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#else
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return 0;
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#endif
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}
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/**
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* @brief 成对切泵：两脚同开同关
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* @param on 1=泵转，0=泵停
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* @return 无
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*/
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void bsp_pump_set(uint8_t on)
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{
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#if BOARD_PUMP_ENABLE
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bsp_pin_write(BOARD_PUMP_PWR_PIN,
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on ? BOARD_PUMP_ON_LEVEL : (BOARD_PUMP_ON_LEVEL ? 0 : 1));
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bsp_pin_write(BOARD_PUMP_SW_PIN,
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on ? BOARD_PUMP_ON_LEVEL : (BOARD_PUMP_ON_LEVEL ? 0 : 1));
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#else
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(void)on;
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#endif
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}
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