draw a frame (empty box) restriction: does not work for w = 0 or h = 0 */

x,y Upper left position of the line within the pixel buffer len length of the line in pixel, len must not be 0 dir 0: horizontal line (left to

Description: Find the starting point of the glyph data. Args: encoding: Encoding (ASCII or Unicode) of the glyph Return: Address of th

* @brief This function provides delay (in milliseconds) based on CPU cycles method. * @param mdelay: specifies the delay time length, in milliseco

* @brief I2C error callback. * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains * the configuration information

* @brief IRDA error callback. * @param hirda Pointer to a IRDA_HandleTypeDef structure that contains * the configuration informa

* @brief This function configures the source of the time base. * The time source is configured to have 1ms time base with a dedicated *

* @brief Gets the current mmc card data state. * @param hmmc: pointer to MMC handle * @retval Card state */

* @brief Returns the PCLK2 frequency * @note Each time PCLK2 changes, this function must be called to update the * right PCLK2 value. O

* @brief Gets the current sd card data state. * @param hsd: pointer to SD handle * @retval Card state */

* @brief SMARTCARD error callback * @param hsc Pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration

* @brief Input Capture callback in non-blocking mode * @param htim TIM IC handle * @retval None */

* @brief Reception Event Callback (Rx event notification called after use of advanced reception service). * @param huart UART handle * @param S

* @brief UART error callbacks. * @param huart Pointer to a UART_HandleTypeDef structure that contains * the configuration inform

* @brief USART error callbacks. * @param husart Pointer to a USART_HandleTypeDef structure that contains * the configuration info

* @brief This function handles I2C Communication Timeout for specific usage of RXNE flag. * @param hi2c Pointer to a I2C_HandleTypeDef structure t

* @brief This function handles IRDA Communication Timeout. It waits * until a flag is no longer in the specified status. * @param hirda

Clear interrupt pending flag.

* @brief Enable APB1 peripherals clock. * @rmtoll APB1ENR BKPEN LL_APB1_GRP1_EnableClock\n * APB1ENR CAN1EN LL_A

* @brief Disable timer counter. * @rmtoll CR1 CEN LL_TIM_DisableCounter * @param TIMx Timer instance * @retval None */

* @brief : void OLED_WinDrawBMP(window * win, int16_t x, int16_t y, int16_t width, int16_t height,const uint8_t * BMP, uint8_t color) * @param : heigh

* @brief Return PLL clock frequency used for system domain * @retval PLL clock frequency (in Hz) */

* @brief Enters the RTC Initialization mode. * @param hrtc pointer to a RTC_HandleTypeDef structure that contains * the configu

* @brief Exit the RTC Initialization mode. * @param hrtc pointer to a RTC_HandleTypeDef structure that contains * the configura

\brief Data Synchronization Barrier \details Acts as a special kind of Data Memory Barrier. It completes when all explicit memory acces

\brief Get IPSR Register \details Returns the content of the IPSR Register. \return IPSR Register value */

* @brief Program a half-word (16-bit) at a specified address. * @param Address specify the address to be programmed. * @param Data specify t

\brief Read the current interrupt priority from GIC's IPRIORITYR register. * \param [in] IRQn The interrupt to be queried. */

* @brief Return the DMA error code. * @param hdma : pointer to a DMA_HandleTypeDef structure that contains * the configuration info

* @brief Master Tx Transfer completed callback. * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains * the config

* @brief Slave Rx Transfer completed callback. * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains * the configu

* @brief MMC Abort callbacks * @param hmmc: Pointer MMC handle * @retval None */

* @brief NAND interrupt feature callback * @param hnand pointer to a NAND_HandleTypeDef structure that contains * the configurati

* @brief PCCARD interrupt feature callback * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains * the confi

* @brief Software Device Connection, * this function is not required by USB OTG FS peripheral, it is used * only by USB Device FS

* @brief Data OUT stage callback. * @param hpcd PCD handle * @param epnum endpoint number * @retval None */

* @brief Returns the HCLK frequency * @note Each time HCLK changes, this function must be called to update the * right HCLK value. Othe

* @brief SD Abort callbacks * @param hsd: Pointer SD handle * @retval None */

* @brief Output Compare callback in non-blocking mode * @param htim TIM OC handle * @retval None */

* @brief UART MSP Init. * @param huart Pointer to a UART_HandleTypeDef structure that contains * the configuration information f

Set interrupt priority value.

\brief Clean and Invalidate the entire data or unified cache * Generic mechanism for cleaning/invalidating the entire data or unified cache to the po

* @brief Get the selected ADC instance enable state. * @rmtoll CR2 ADON LL_ADC_IsEnabled * @param ADCx ADC instance * @retval 0

* @brief Get the system clock source * @rmtoll CFGR SWS LL_RCC_GetSysClkSource * @retval Returned value can be one of the follo

* @brief Configure PLL used for SYSCLK Domain * @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n * CFGR PLLXTPRE

* @brief Get RTC Operation OFF status flag * @rmtoll CRL RTOFF LL_RTC_IsActiveFlag_RTOF * @param RTCx RTC Instance * @retval

* @brief Get the counter value. * @rmtoll CNT CNT LL_TIM_GetCounter * @param TIMx Timer instance * @retval Counter value (b

* @brief Check if the USART Transmit Data Register Empty Flag is set or not * @rmtoll SR TXE LL_USART_IsActiveFlag_TXE * @par

* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits) * @rmtoll DR DR LL_USART_TransmitData8 * @param U

* @brief : void OLED_AllSrcFade(uint8_t Odd0OrEven1,uint8_t byte) * @param : 全屏的逐字节虚化函数，OddorEven 表示要虚化奇数字节1还是偶数字节0， byte为填充的内容(虚化时推荐有0xAA,0x55,0xF

函数：void OLED_BuffWriteByte(uint8_t x, uint8_t y , uint8_t val) 参数：x y 写入buff的位置，一整个字节的起始位置 coverORadd 对应的字节与\或还是直接覆盖 注意'='是直接将输入赋值给buff，'|'是将输入为1的位在bu

* @brief 在数字标签上绘制下划线(光标) * * @param dp 数字页面指针 * @param color 颜色值 */

* @brief 更新数字页面的数字动画 * * @param dp 数字页面指针 * @param leftval 左侧数字值 * @param midval 中间数字值 * @param rightval 右侧数字值 * @param dir 数字方向 */

* @brief : static void OLED_DigitalSetSingleBit(DigitalPage* dp, uint8_t index, SingleBit sbit_array[6]) 将设置的数字写入到显示在屏幕上6个单个位的数组中 * @param

最基本的页面成员初始化，并加入到页面队列中，注意，没有进行页面类型初始化，因为这个由各自初始化函数执行

通用的页面返回上一个页面函数

* @brief : void OLED_WinDrawVLine(window *win,int16_t x, int16_t y_start, int16_t y_end) * @param : 往指定窗口中画线，注意，y_end 必须大于y_start * @attention : None

\brief Configure the timer by setting the control value. * \param [in] value New timer control value. */

\brief Configure the timer using its CONTROL register. * \param [in] value The new configuration value to be set. */

* @brief Read the time counter available in RTC_ALR registers. * @param hrtc pointer to a RTC_HandleTypeDef structure that contains *

* @brief Write data (word) to Tx FIFO in blocking mode (polling) * @param SDIOx: Pointer to SDMMC register base * @param pWriteData: pointer t

* @brief Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH command * @param SDIOx: Pointer to SDIO register base * @para

* @brief Configures the TIMx External Trigger (ETR). * @param TIMx to select the TIM peripheral * @param TIM_ExtTRGPrescaler The external Trigg

* @brief Selects the Input Trigger source * @param TIMx to select the TIM peripheral * @param InputTriggerSource The Input Trigger source. *

* @brief Timer Output Compare 2 configuration * @param TIMx to select the TIM peripheral * @param OC_Config The output configuration structure

* @brief Configures the UART peripheral. * @param huart Pointer to a UART_HandleTypeDef structure that contains * the configurat

* @brief USB_EPStartXfer : setup and starts a transfer over an EP * @param USBx Selected device * @param ep pointer to endpoint structure *

* @brief Returns USB core mode * @param USBx Selected device * @retval return core mode : Host or Device * This parameter can be one

\brief Data Memory Barrier \details Ensures the apparent order of the explicit memory operations before and after the instruction, with

* @brief C custom defined SHSUB16 for M3 and M0 processors */

* @brief floating-point Circular write function. */