doc: renamed project

pico-sensor/McuLib/src/McuButton.c

@@ -0,0 +1,131 @@
+/*
+ * McuButton.c
+ *
+ * Copyright (c) 2019-2021, Erich Styger
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "McuLibconfig.h"
+#include "McuButton.h"
+#include "McuUtility.h"
+#include <stdlib.h> /* memcpy */
+#include <string.h> /* memset */
+#include <assert.h>
+#if MCUBUTTON_CONFIG_USE_FREERTOS_HEAP
+  #include "McuRTOS.h"
+#endif
+
+/* default configuration, used for initializing the config */
+static const McuBtn_Config_t defaultConfig =
+{
+    .isLowActive = true,
+    .hw = {
+    #if McuLib_CONFIG_NXP_SDK_USED && !McuLib_CONFIG_IS_KINETIS_KE
+      .gpio = NULL,
+    #elif McuLib_CONFIG_CPU_IS_STM32
+      .gpio = NULL,
+    #endif
+    #if McuLib_CONFIG_CPU_IS_KINETIS
+      .port = NULL,
+    #elif McuLib_CONFIG_CPU_IS_LPC
+      .port = 0,
+    #endif
+    #if McuLib_CONFIG_CPU_IS_ESP32
+      .pin = GPIO_NUM_NC,
+    #else
+      .pin = 0,
+    #endif
+    }
+};
+
+typedef struct {
+  bool isLowActive;
+  McuGPIO_Handle_t gpio;
+} McuBtn_t;
+
+void McuBtn_GetDefaultConfig(McuBtn_Config_t *config) {
+  assert(config!=NULL);
+  memcpy(config, &defaultConfig, sizeof(*config));
+}
+
+void McuBtn_DisablePullResistor(McuBtn_Handle_t btn) {
+  McuBtn_t *button;
+
+  button = (McuBtn_t*)btn;
+  McuGPIO_SetPullResistor(button->gpio, McuGPIO_PULL_DISABLE);
+}
+
+void McuBtn_EnablePullResistor(McuBtn_Handle_t btn) {
+  McuBtn_t *button;
+
+  button = (McuBtn_t*)btn;
+  if (button->isLowActive) {
+    McuGPIO_SetPullResistor(button->gpio, McuGPIO_PULL_UP);
+  } else {
+	  McuGPIO_SetPullResistor(button->gpio, McuGPIO_PULL_DOWN);
+  }
+}
+
+bool McuBtn_IsOn(McuBtn_Handle_t btn) {
+  McuBtn_t *button;
+
+  assert(btn!=NULL);
+  button = (McuBtn_t*)btn;
+  if (button->isLowActive) {
+    return McuGPIO_IsLow(button->gpio);
+  } else {
+    return McuGPIO_IsHigh(button->gpio);
+  }
+}
+
+void McuBtn_GetPinStatusString(McuBtn_Handle_t btn, unsigned char *buf, size_t bufSize) {
+  McuBtn_t *button;
+
+  button = (McuBtn_t*)btn;
+  buf[0] = '\0';
+  McuGPIO_GetPinStatusString(button->gpio, buf, bufSize);
+  if (button->isLowActive) {
+    McuUtility_strcat(buf, bufSize, (unsigned char*)" active:L");
+  } else {
+    McuUtility_strcat(buf, bufSize, (unsigned char*)" active:H");
+  }
+}
+
+McuBtn_Handle_t McuBtn_InitButton(McuBtn_Config_t *config) {
+  McuBtn_t *handle;
+  McuGPIO_Config_t gpioConfig;
+  assert(config!=NULL);
+
+#if MCUBUTTON_CONFIG_USE_FREERTOS_HEAP
+  handle = (McuBtn_t*)pvPortMalloc(sizeof(McuBtn_t)); /* get a new device descriptor */
+#else
+  handle = (McuBtn_t*)malloc(sizeof(McuBtn_t)); /* get a new device descriptor */
+#endif
+  assert(handle!=NULL);
+  if (handle!=NULL) { /* if malloc failed, will return NULL pointer */
+    memset(handle, 0, sizeof(McuBtn_t)); /* init all fields */
+    handle->isLowActive = config->isLowActive;
+    /* create GPIO pin */
+    McuGPIO_GetDefaultConfig(&gpioConfig);
+    gpioConfig.isInput = true;
+    memcpy(&gpioConfig.hw, &config->hw, sizeof(gpioConfig.hw)); /* copy hardware information */
+    handle->gpio = McuGPIO_InitGPIO(&gpioConfig);
+  }
+  return (McuBtn_Handle_t)handle;
+}
+
+McuBtn_Handle_t McuBtn_DeinitButton(McuBtn_Handle_t button) {
+  assert(button!=NULL);
+#if MCUBUTTON_CONFIG_USE_FREERTOS_HEAP
+  vPortFree(button);
+#else
+  free(button);
+#endif
+  return NULL;
+}
+
+void McuBtn_Deinit(void) {
+}
+
+void McuBtn_Init(void) {
+}