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onelifeonelife
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[drv] Add button device driver
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5 files changed

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‎library.properties‎

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name=RT-Thread
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version=0.7.5
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version=0.7.6
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author=onelife <[email protected]>, Bernard Xiong <[email protected]>
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maintainer=onelife <[email protected]>
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sentence=Real Time Operating System porting for Arduino SAM and SAMD boards

‎src/components/arduino/drv_button.cpp‎

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/***************************************************************************//**
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* @file drv_button.cpp
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* @brief Arduino RT-Thread library button device driver
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* @author onelife <onelife.real[at]gmail.com>
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******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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extern "C" {
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#include "include/rtthread.h"
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#if defined(CONFIG_ARDUINO) && CONFIG_USING_BUTTON
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}
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#include <Arduino.h>
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#if CONFIG_USING_GUI
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# include <rttgui.h>
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#endif
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extern "C" {
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#include "drv_button.h"
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/***************************************************************************//**
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* @addtogroup Arduino
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* @{
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******************************************************************************/
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/* Private typedef -----------------------------------------------------------*/
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typedef void (*rx_indicator)(void);
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/* Private define ------------------------------------------------------------*/
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#ifdef RT_USING_ULOG
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# ifdef BSP_BUTTON_DEBUG
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# define LOG_LVL LOG_LVL_DBG
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# else
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# define LOG_LVL LOG_LVL_INFO
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# endif
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# define LOG_TAG "BTN"
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# include "components/utilities/ulog/ulog.h"
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#else /* RT_USING_ULOG */
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# define LOG_E(format, args...) rt_kprintf(format "\n", ##args)
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# define LOG_W LOG_E
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# ifdef BSP_SPI_DEBUG
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# define LOG_D(format, args...) rt_kprintf(format "\n", ##args)
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# else
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# define LOG_D(format, args...)
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# endif
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# define LOG_I LOG_D
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# define LOG_HEX(format, args...)
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#endif /* RT_USING_ULOG */
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#define BTN_IO_INIT(pin) pinMode(pin, INPUT_PULLUP)
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#define BTN_STATE(pin) digitalRead(pin)
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#define BTN_CTX() (&btn_ctx)
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/* Private function prototypes -----------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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static struct bsp_btn_contex btn_ctx;
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static rx_indicator key_indicator = RT_NULL;
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static rt_uint32_t btn_pin[CONFIG_USING_BUTTON] = CONFIG_BUTTON_PIN;
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static rt_uint16_t btn_key[CONFIG_USING_BUTTON] = CONFIG_BUTTON_CODE;
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static rt_bool_t btn_state[CONFIG_USING_BUTTON];
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static rt_bool_t btn_change[CONFIG_USING_BUTTON];
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/* Private functions ---------------------------------------------------------*/
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static void _btn_timeout(void *param) {
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struct bsp_btn_contex *ctx = BTN_CTX();
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rt_bool_t changed = RT_FALSE;
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rt_uint32_t i;
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(void)param;
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for (i = 0; i < ctx->num; i++) {
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if (btn_state[i] != BTN_STATE(btn_pin[i])) {
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btn_state[i] = !btn_state[i];
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btn_change[i] = RT_TRUE;
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changed = RT_TRUE;
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}
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}
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if (key_indicator && changed) key_indicator();
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}
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static rt_size_t bsp_button_read(rt_device_t dev, rt_off_t pos, void *buf,
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rt_size_t size) {
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struct bsp_btn_contex *ctx = (struct bsp_btn_contex *)(dev->user_data);
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rt_uint32_t i;
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(void)dev;
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(void)pos;
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(void)size;
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for (i = 0; i < ctx->num; i++) {
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if (btn_change[i]) {
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#if CONFIG_USING_GUI
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rtgui_key_t *data = (rtgui_key_t *)buf;
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data->key = (rtgui_kbd_key_t)btn_key[i];
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data->mod = RTGUI_KMOD_NONE;
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data->type = btn_state[i] ? RTGUI_KEYUP : RTGUI_KEYDOWN;
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#else
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rt_uint16_t *data = (rt_uint16_t *)buf;
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*data = btn_key[i];
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#endif
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btn_change[i] = RT_FALSE;
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// LOG_D("[BTN] read %d %d", btn_key[i], btn_state[i]);
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return 1;
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}
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}
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return 0;
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}
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static rt_err_t bsp_button_control(rt_device_t dev, rt_int32_t cmd, void *args) {
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rt_err_t ret = -RT_ERROR;
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(void)dev;
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switch (cmd) {
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case RT_DEVICE_CTRL_SET_RX_INDICATOR:
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key_indicator = (rx_indicator)args;
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ret = RT_EOK;
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break;
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default:
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break;
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}
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return ret;
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}
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/***************************************************************************//**
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* @brief Initialize FT6206 contex
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*
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* @param[in] struct bsp_btn_contex *ctx - Pointer to button contex
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*
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* @param[in] const char *name - Pointer to button device name
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*
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* @return rt_err_t - Error code
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*
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******************************************************************************/
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static rt_err_t bsp_button_contex_init(struct bsp_btn_contex *ctx,
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const char *name) {
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rt_err_t ret;
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do {
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ctx->num = CONFIG_USING_BUTTON;
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rt_timer_init(&ctx->tmr, name, _btn_timeout, RT_NULL,
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BTN_CHECK_TICK, RT_TIMER_FLAG_PERIODIC);
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/* register device */
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ctx->dev.type = RT_Device_Class_Miscellaneous;
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ctx->dev.rx_indicate = RT_NULL;
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ctx->dev.tx_complete = RT_NULL;
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ctx->dev.init = RT_NULL;
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ctx->dev.open = RT_NULL;
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ctx->dev.close = RT_NULL;
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ctx->dev.read = bsp_button_read;
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ctx->dev.write = RT_NULL;
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ctx->dev.control = bsp_button_control;
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ctx->dev.user_data = (void *)ctx;
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ret = rt_device_register(&ctx->dev, name,
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RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
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if (RT_EOK != ret) break;
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ret = rt_timer_start(&ctx->tmr);
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} while (0);
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return ret;
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}
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/* Public functions ----------------------------------------------------------*/
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/***************************************************************************//**
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* @brief - initialize TFT6206 contex and hardware
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*
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* @return rt_err_t - Error code
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*
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******************************************************************************/
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rt_err_t bsp_hw_button_init(void) {
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rt_err_t ret;
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do {
180+
rt_uint32_t i;
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182+
ret = bsp_button_contex_init(BTN_CTX(), BTN_NAME);
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if (RT_EOK != ret) break;
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for (i = 0; i < CONFIG_USING_BUTTON; i++) {
186+
BTN_IO_INIT(btn_pin[i]);
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btn_state[i] = BTN_STATE(btn_pin[i]);
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btn_change[i] = RT_FALSE;
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}
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key_indicator = RT_NULL;
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LOG_D("[BTN] h/w init ok");
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} while (0);
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if (RT_EOK != ret) {
195+
LOG_E("[BTN E] h/w init failed: %d", ret);
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}
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return ret;
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}
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/***************************************************************************//**
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* @}
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******************************************************************************/
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#endif /* defined(CONFIG_ARDUINO) && CONFIG_USING_BUTTON */
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} /* extern "C" */

‎src/components/arduino/drv_button.h‎

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/***************************************************************************//**
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* @file drv_button.h
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* @brief Arduino RT-Thread library FT6202 device driver header
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* @author onelife <onelife.real[at]gmail.com>
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******************************************************************************/
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#ifndef __DRV_BUTTON_H__
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#define __DRV_BUTTON_H__
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/* Includes ------------------------------------------------------------------*/
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#include "drv_common.h"
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#if CONFIG_USING_GUI
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# include "include/rtgui.h"
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#endif
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/* Exported defines ----------------------------------------------------------*/
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#define BTN_NAME "BTN"
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#define BTN_CHECK_TICK (4) /* 40ms */
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/* Exported types ------------------------------------------------------------*/
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struct bsp_btn_contex {
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struct rt_device dev; /* RT device */
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rt_uint32_t num;
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struct rt_timer tmr;
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};
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/* Exported constants --------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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rt_err_t bsp_hw_button_init(void);
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#endif /* __DRV_BUTTON_H__ */

‎src/rtconfig.h‎

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@@ -54,6 +54,11 @@
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# define CONFIG_SSD_PWR_PIN (27)
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# define CONFIG_SSD_SPI_CHANNEL 1
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# define CONFIG_USING_BUTTON (6)
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/* UP, DOWN, LEFT, RIGHT, A, B */
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# define CONFIG_BUTTON_PIN { 42, 19, 25, 15, 45, 44 }
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# define CONFIG_BUTTON_CODE { 273, 274, 276, 275, 97, 98 }
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# define CONFIG_USING_GUI (1)
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# define CONFIG_GUI_WIDTH (96)
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# define CONFIG_GUI_HIGH (64)
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# define CONFIG_USING_GUI (0)
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#endif
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#ifndef CONFIG_USING_BUTTON
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# define CONFIG_USING_BUTTON (0)
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#endif
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#ifndef CONFIG_USING_SPISD
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# define CONFIG_USING_SPISD (0)
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#endif
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/* Arduino Thread Options */
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#ifndef CONFIG_ARDUINO_STACK_SIZE
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# define CONFIG_ARDUINO_STACK_SIZE (4 * 1024)
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# define CONFIG_ARDUINO_STACK_SIZE (2 * 1024)
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#endif
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#ifndef CONFIG_ARDUINO_PRIORITY
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# define CONFIG_ARDUINO_PRIORITY (RT_THREAD_PRIORITY_MAX >> 1)

‎src/rtt.cpp‎

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@@ -182,6 +182,9 @@ extern "C" {
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#ifdef RT_USING_MODULE
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# include "components/libc/libdl/dlmodule.h"
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#endif
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#if CONFIG_USING_BUTTON
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# include "components/arduino/drv_button.h"
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#endif
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#if CONFIG_USING_SPISD
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# include "components/arduino/drv_spisd.h"
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#endif
@@ -226,6 +229,10 @@ void rt_driver_init(void) {
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void rt_high_driver_init(void) {
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rt_err_t ret;
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#if CONFIG_USING_BUTTON
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ret = bsp_hw_button_init();
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RT_ASSERT(RT_EOK == ret);
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#endif
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#if CONFIG_USING_SPISD
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ret = bsp_hw_spiSd_init();
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RT_ASSERT(RT_EOK == ret);

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