BSP_DISCO_L496AG - BSP driver for DISCO_L496AG

ST » Code » BSP_DISCO_L496AG

BSP driver for DISCO_L496AG

Dependents: DISCO_L496AG-LCD-prova_1 DISCO_L496AG-LCD-prova_2 DISCO_L496AG-LCD-demo DISCO_L496AG-SRAM-demo

Drivers/BSP/STM32L496G-Discovery/stm32l496g_discovery.c@2:106c7b82e064, 2019-11-20 (annotated)

Committer:: Jerome Coutant
Date:: Wed Nov 20 16:48:24 2019 +0100
Revision:: 2:106c7b82e064
Parent:: 1:753810620fe9

Update BSP files with CubeL4 V1.14.0

Who changed what in which revision?

User	Revision	Line number	New contents of line
bcostm	0:d83f1c8ca282	1	/**
bcostm	0:d83f1c8ca282	2	******************************************************************************
bcostm	0:d83f1c8ca282	3	* @file stm32l496g_discovery.c
bcostm	0:d83f1c8ca282	4	* @author MCD Application Team
bcostm	0:d83f1c8ca282	5	* @brief This file provides a set of firmware functions to manage Leds,
bcostm	0:d83f1c8ca282	6	* push-button and joystick of STM32L496G-Discovery board (MB1261)
bcostm	0:d83f1c8ca282	7	******************************************************************************
bcostm	0:d83f1c8ca282	8	* @attention
bcostm	0:d83f1c8ca282	9	*
Jerome Coutant	2:106c7b82e064	10	* <h2><center>© Copyright (c) 2017 STMicroelectronics.
Jerome Coutant	2:106c7b82e064	11	* All rights reserved.</center></h2>
bcostm	0:d83f1c8ca282	12	*
Jerome Coutant	2:106c7b82e064	13	* This software component is licensed by ST under BSD 3-Clause license,
Jerome Coutant	2:106c7b82e064	14	* the "License"; You may not use this file except in compliance with the
Jerome Coutant	2:106c7b82e064	15	* License. You may obtain a copy of the License at:
Jerome Coutant	2:106c7b82e064	16	* opensource.org/licenses/BSD-3-Clause
bcostm	0:d83f1c8ca282	17	*
bcostm	0:d83f1c8ca282	18	******************************************************************************
bcostm	0:d83f1c8ca282	19	*/
bcostm	0:d83f1c8ca282	20
bcostm	0:d83f1c8ca282	21	/* Includes ------------------------------------------------------------------*/
bcostm	0:d83f1c8ca282	22	#include "stm32l496g_discovery.h"
bcostm	0:d83f1c8ca282	23	#include "stm32l496g_discovery_io.h"
bcostm	0:d83f1c8ca282	24	#include "stm32l496g_discovery_lcd.h"
bcostm	0:d83f1c8ca282	25
bcostm	0:d83f1c8ca282	26	/** @addtogroup BSP
bcostm	0:d83f1c8ca282	27	* @{
bcostm	0:d83f1c8ca282	28	*/
bcostm	0:d83f1c8ca282	29
bcostm	0:d83f1c8ca282	30	/** @defgroup STM32L496G_DISCOVERY STM32L496G-DISCOVERY
bcostm	0:d83f1c8ca282	31	* @{
bcostm	0:d83f1c8ca282	32	*/
bcostm	0:d83f1c8ca282	33
bcostm	0:d83f1c8ca282	34	/** @defgroup STM32L496G_DISCOVERY_Common STM32L496G-DISCOVERY Common
bcostm	0:d83f1c8ca282	35	* @{
bcostm	0:d83f1c8ca282	36	*/
bcostm	0:d83f1c8ca282	37
bcostm	0:d83f1c8ca282	38	/** @defgroup STM32L496G_DISCOVERY_Private_TypesDefinitions Private Types Definitions
bcostm	0:d83f1c8ca282	39	* @brief This file provides firmware functions to manage Leds, push-buttons,
bcostm	0:d83f1c8ca282	40	* COM ports, SD card on SPI and temperature sensor (TS751) available on
bcostm	0:d83f1c8ca282	41	* STM32L496G-DISCOVERY discoveryuation board from STMicroelectronics.
bcostm	0:d83f1c8ca282	42	* @{
bcostm	0:d83f1c8ca282	43	*/
bcostm	0:d83f1c8ca282	44
bcostm	0:d83f1c8ca282	45	/**
bcostm	0:d83f1c8ca282	46	* @}
bcostm	0:d83f1c8ca282	47	*/
bcostm	0:d83f1c8ca282	48
bcostm	0:d83f1c8ca282	49	/** @defgroup STM32L496G_DISCOVERY_Private_Defines Private Defines
bcostm	0:d83f1c8ca282	50	* @{
bcostm	0:d83f1c8ca282	51	*/
bcostm	0:d83f1c8ca282	52
bcostm	0:d83f1c8ca282	53	/**
bcostm	0:d83f1c8ca282	54	* @brief STM32L496G DISCOVERY BSP Driver version number
bcostm	0:d83f1c8ca282	55	*/
bcostm	0:d83f1c8ca282	56	#define __STM32L496G_DISCOVERY_BSP_VERSION_MAIN (0x01) /!< [31:24] main version /
bcostm	0:d83f1c8ca282	57	#define __STM32L496G_DISCOVERY_BSP_VERSION_SUB1 (0x01) /!< [23:16] sub1 version /
Jerome Coutant	2:106c7b82e064	58	#define __STM32L496G_DISCOVERY_BSP_VERSION_SUB2 (0x02) /!< [15:8] sub2 version /
bcostm	0:d83f1c8ca282	59	#define __STM32L496G_DISCOVERY_BSP_VERSION_RC (0x00) /!< [7:0] release candidate /
bcostm	0:d83f1c8ca282	60	#define __STM32L496G_DISCOVERY_BSP_VERSION ((__STM32L496G_DISCOVERY_BSP_VERSION_MAIN << 24)\
bcostm	0:d83f1c8ca282	61	\|(__STM32L496G_DISCOVERY_BSP_VERSION_SUB1 << 16)\
bcostm	0:d83f1c8ca282	62	\|(__STM32L496G_DISCOVERY_BSP_VERSION_SUB2 << 8 )\
bcostm	0:d83f1c8ca282	63	\|(__STM32L496G_DISCOVERY_BSP_VERSION_RC))
bcostm	0:d83f1c8ca282	64	/**
bcostm	0:d83f1c8ca282	65	* @}
bcostm	0:d83f1c8ca282	66	*/
bcostm	0:d83f1c8ca282	67
bcostm	0:d83f1c8ca282	68
bcostm	0:d83f1c8ca282	69	/** @defgroup STM32L496G_DISCOVERY_Private_Macros Private Macros
bcostm	0:d83f1c8ca282	70	* @{
bcostm	0:d83f1c8ca282	71	*/
bcostm	0:d83f1c8ca282	72
bcostm	0:d83f1c8ca282	73	/**
bcostm	0:d83f1c8ca282	74	* @}
bcostm	0:d83f1c8ca282	75	*/
bcostm	0:d83f1c8ca282	76
bcostm	0:d83f1c8ca282	77
bcostm	0:d83f1c8ca282	78	/** @defgroup STM32L496G_DISCOVERY_Exported_Variables Exported Variables
bcostm	0:d83f1c8ca282	79	* @{
bcostm	0:d83f1c8ca282	80	*/
bcostm	0:d83f1c8ca282	81
bcostm	0:d83f1c8ca282	82	/**
bcostm	0:d83f1c8ca282	83	* @brief LED variables
bcostm	0:d83f1c8ca282	84	*/
bcostm	0:d83f1c8ca282	85	const uint16_t LED_PIN[LEDn] = {LED1_PIN,
bcostm	0:d83f1c8ca282	86	LED2_PIN
bcostm	0:d83f1c8ca282	87	};
bcostm	0:d83f1c8ca282	88
bcostm	0:d83f1c8ca282	89	/**
bcostm	0:d83f1c8ca282	90	* @brief JOYSTICK variables
bcostm	0:d83f1c8ca282	91	*/
bcostm	0:d83f1c8ca282	92	GPIO_TypeDef *JOY_PORT[JOYn] = {SEL_JOY_GPIO_PORT,
bcostm	0:d83f1c8ca282	93	LEFT_JOY_GPIO_PORT,
bcostm	0:d83f1c8ca282	94	RIGHT_JOY_GPIO_PORT,
bcostm	0:d83f1c8ca282	95	DOWN_JOY_GPIO_PORT,
bcostm	0:d83f1c8ca282	96	UP_JOY_GPIO_PORT
bcostm	0:d83f1c8ca282	97	};
bcostm	0:d83f1c8ca282	98
bcostm	0:d83f1c8ca282	99	const uint16_t JOY_PIN[JOYn] = {SEL_JOY_PIN,
bcostm	0:d83f1c8ca282	100	LEFT_JOY_PIN,
bcostm	0:d83f1c8ca282	101	RIGHT_JOY_PIN,
bcostm	0:d83f1c8ca282	102	DOWN_JOY_PIN,
bcostm	0:d83f1c8ca282	103	UP_JOY_PIN
bcostm	0:d83f1c8ca282	104	};
bcostm	0:d83f1c8ca282	105
bcostm	0:d83f1c8ca282	106	const uint8_t JOY_IRQn[JOYn] = {SEL_JOY_EXTI_IRQn,
bcostm	0:d83f1c8ca282	107	LEFT_JOY_EXTI_IRQn,
bcostm	0:d83f1c8ca282	108	RIGHT_JOY_EXTI_IRQn,
bcostm	0:d83f1c8ca282	109	DOWN_JOY_EXTI_IRQn,
bcostm	0:d83f1c8ca282	110	UP_JOY_EXTI_IRQn
bcostm	0:d83f1c8ca282	111	};
bcostm	0:d83f1c8ca282	112
bcostm	0:d83f1c8ca282	113
bcostm	0:d83f1c8ca282	114	/**
bcostm	0:d83f1c8ca282	115	* @brief COM port variables
bcostm	0:d83f1c8ca282	116	*/
bcostm	0:d83f1c8ca282	117	#if defined(HAL_UART_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	118	USART_TypeDef* COM_USART[COMn] = {DISCOVERY_COM1};
bcostm	0:d83f1c8ca282	119	GPIO_TypeDef* COM_TX_PORT[COMn] = {DISCOVERY_COM1_TX_GPIO_PORT};
bcostm	0:d83f1c8ca282	120	GPIO_TypeDef* COM_RX_PORT[COMn] = {DISCOVERY_COM1_RX_GPIO_PORT};
bcostm	0:d83f1c8ca282	121	const uint16_t COM_TX_PIN[COMn] = {DISCOVERY_COM1_TX_PIN};
bcostm	0:d83f1c8ca282	122	const uint16_t COM_RX_PIN[COMn] = {DISCOVERY_COM1_RX_PIN};
bcostm	0:d83f1c8ca282	123	const uint16_t COM_TX_AF[COMn] = {DISCOVERY_COM1_TX_AF};
bcostm	0:d83f1c8ca282	124	const uint16_t COM_RX_AF[COMn] = {DISCOVERY_COM1_RX_AF};
bcostm	0:d83f1c8ca282	125	#endif /* HAL_UART_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	126
bcostm	0:d83f1c8ca282	127
bcostm	0:d83f1c8ca282	128	/**
bcostm	0:d83f1c8ca282	129	* @brief BUS variables
bcostm	0:d83f1c8ca282	130	*/
bcostm	0:d83f1c8ca282	131	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	132	uint32_t I2c1Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /<! Value of Timeout when I2C1 communication fails /
bcostm	0:d83f1c8ca282	133	uint32_t I2c2Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /<! Value of Timeout when I2C2 communication fails /
bcostm	0:d83f1c8ca282	134	uint32_t ts_io_init = 0;
bcostm	0:d83f1c8ca282	135	static I2C_HandleTypeDef I2c2Handle = {0};
bcostm	0:d83f1c8ca282	136	static I2C_HandleTypeDef hI2cTSHandler = {0}; /* Touch Screen (Capacitive Touch Panel) Handler */
bcostm	0:d83f1c8ca282	137	static I2C_HandleTypeDef hI2cAudioHandler = {0};
bcostm	0:d83f1c8ca282	138	static I2C_HandleTypeDef hI2cCameraHandler = {0} ;
bcostm	0:d83f1c8ca282	139	#endif /* HAL_I2C_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	140
bcostm	0:d83f1c8ca282	141	/**
bcostm	0:d83f1c8ca282	142	* @}
bcostm	0:d83f1c8ca282	143	*/
bcostm	0:d83f1c8ca282	144
bcostm	0:d83f1c8ca282	145	/** @defgroup STM32L496G_DISCOVERY_Private_FunctionPrototypes Private Functions
bcostm	0:d83f1c8ca282	146	* @{
bcostm	0:d83f1c8ca282	147	*/
bcostm	0:d83f1c8ca282	148	/************************** Bus functions **********************************/
bcostm	0:d83f1c8ca282	149	/* I2C2 bus function */
bcostm	0:d83f1c8ca282	150	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	151	static void I2C2_MspInit(I2C_HandleTypeDef *hi2c);
bcostm	0:d83f1c8ca282	152	static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c);
bcostm	0:d83f1c8ca282	153	static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value);
bcostm	0:d83f1c8ca282	154	static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
bcostm	0:d83f1c8ca282	155	static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize);
bcostm	0:d83f1c8ca282	156	static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
bcostm	0:d83f1c8ca282	157	static void I2C2_Error(void);
bcostm	0:d83f1c8ca282	158
bcostm	0:d83f1c8ca282	159	#endif/* HAL_I2C_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	160
bcostm	0:d83f1c8ca282	161
bcostm	0:d83f1c8ca282	162	/************************** Link functions *********************************/
bcostm	0:d83f1c8ca282	163	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	164
bcostm	0:d83f1c8ca282	165	static void FMC_BANK1_WriteData(uint16_t Data);
bcostm	0:d83f1c8ca282	166	static void FMC_BANK1_WriteReg(uint8_t Reg);
bcostm	0:d83f1c8ca282	167	static uint16_t FMC_BANK1_ReadData(void);
bcostm	0:d83f1c8ca282	168	static void FMC_BANK1_Init(void);
bcostm	0:d83f1c8ca282	169
bcostm	0:d83f1c8ca282	170
bcostm	0:d83f1c8ca282	171	/* LCD IO functions */
bcostm	0:d83f1c8ca282	172	void LCD_IO_Init(void);
bcostm	0:d83f1c8ca282	173	void LCD_IO_WriteData(uint16_t RegValue);
bcostm	0:d83f1c8ca282	174	void LCD_IO_WriteReg(uint8_t Reg);
bcostm	0:d83f1c8ca282	175	void LCD_IO_WriteMultipleData(uint16_t *pData, uint32_t Size);
bcostm	0:d83f1c8ca282	176	uint16_t LCD_IO_ReadData(void);
bcostm	0:d83f1c8ca282	177	void LCD_IO_Delay(uint32_t Delay);
bcostm	0:d83f1c8ca282	178
Jerome Coutant	2:106c7b82e064	179	/* Link functions for Audio Codec peripheral */
bcostm	0:d83f1c8ca282	180	void AUDIO_IO_Init(void);
bcostm	0:d83f1c8ca282	181	void AUDIO_IO_DeInit(void);
bcostm	0:d83f1c8ca282	182	void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
bcostm	0:d83f1c8ca282	183	uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
bcostm	0:d83f1c8ca282	184	void AUDIO_IO_Delay(uint32_t delay);
bcostm	0:d83f1c8ca282	185
bcostm	0:d83f1c8ca282	186	/* TouchScreen (TS) IO functions */
bcostm	0:d83f1c8ca282	187	void TS_IO_Init(void);
bcostm	0:d83f1c8ca282	188	void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
bcostm	0:d83f1c8ca282	189	uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg);
bcostm	0:d83f1c8ca282	190	uint16_t TS_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	191	void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	192	void TS_IO_Delay(uint32_t Delay);
bcostm	0:d83f1c8ca282	193
bcostm	0:d83f1c8ca282	194	/* CAMERA IO functions */
bcostm	0:d83f1c8ca282	195	void CAMERA_IO_Init(void);
bcostm	0:d83f1c8ca282	196	void CAMERA_Delay(uint32_t Delay);
bcostm	0:d83f1c8ca282	197	void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
bcostm	0:d83f1c8ca282	198	uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg);
bcostm	0:d83f1c8ca282	199
bcostm	0:d83f1c8ca282	200	#endif/* HAL_I2C_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	201
bcostm	0:d83f1c8ca282	202
bcostm	0:d83f1c8ca282	203	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	204	/* Link functions IOExpander */
bcostm	0:d83f1c8ca282	205	void IOE_Init(void);
bcostm	0:d83f1c8ca282	206	void IOE_ITConfig(void);
bcostm	0:d83f1c8ca282	207	void IOE_Delay(uint32_t Delay);
bcostm	0:d83f1c8ca282	208	void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
bcostm	0:d83f1c8ca282	209	uint8_t IOE_Read(uint8_t Addr, uint8_t Reg);
bcostm	0:d83f1c8ca282	210	uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	211
bcostm	0:d83f1c8ca282	212	/* Link functions for IDD measurment */
bcostm	0:d83f1c8ca282	213	void MFX_IO_Init(void);
bcostm	0:d83f1c8ca282	214	void MFX_IO_DeInit(void);
bcostm	0:d83f1c8ca282	215	void MFX_IO_ITConfig(void);
bcostm	0:d83f1c8ca282	216	void MFX_IO_EnableWakeupPin(void);
bcostm	0:d83f1c8ca282	217	void MFX_IO_Wakeup(void);
bcostm	0:d83f1c8ca282	218	void MFX_IO_Delay(uint32_t delay);
bcostm	0:d83f1c8ca282	219	void MFX_IO_Write(uint16_t addr, uint8_t reg, uint8_t value);
bcostm	0:d83f1c8ca282	220	uint8_t MFX_IO_Read(uint16_t addr, uint8_t reg);
bcostm	0:d83f1c8ca282	221	void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	222	uint16_t MFX_IO_ReadMultiple(uint16_t addr, uint8_t reg, uint8_t *buffer, uint16_t length);
bcostm	0:d83f1c8ca282	223
bcostm	0:d83f1c8ca282	224	static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler);
bcostm	0:d83f1c8ca282	225
bcostm	0:d83f1c8ca282	226	static HAL_StatusTypeDef I2Cx_ReadMultiple(I2C_HandleTypeDef i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	227	static HAL_StatusTypeDef I2Cx_WriteMultiple(I2C_HandleTypeDef i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t Buffer, uint16_t Length);
bcostm	0:d83f1c8ca282	228	static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr);
bcostm	0:d83f1c8ca282	229
bcostm	0:d83f1c8ca282	230	static uint8_t I2C2_isDeviceReady(uint16_t Addr, uint32_t trial);
bcostm	0:d83f1c8ca282	231
bcostm	0:d83f1c8ca282	232	#endif/* HAL_I2C_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	233	/**
bcostm	0:d83f1c8ca282	234	* @}
bcostm	0:d83f1c8ca282	235	*/
bcostm	0:d83f1c8ca282	236
bcostm	0:d83f1c8ca282	237	__weak void BSP_ErrorHandler(void)
bcostm	0:d83f1c8ca282	238	{
bcostm	0:d83f1c8ca282	239	while (1);
bcostm	0:d83f1c8ca282	240	}
bcostm	0:d83f1c8ca282	241
bcostm	0:d83f1c8ca282	242	/** @defgroup STM32L496G_DISCOVERY_Exported_Functions Exported Functions
bcostm	0:d83f1c8ca282	243	* @{
bcostm	0:d83f1c8ca282	244	*/
bcostm	0:d83f1c8ca282	245
bcostm	0:d83f1c8ca282	246	/**
bcostm	0:d83f1c8ca282	247	* @brief This method returns the STM32L496 DISCOVERY BSP Driver revision
bcostm	0:d83f1c8ca282	248	* @retval version : 0xXYZR (8bits for each decimal, R for RC)
bcostm	0:d83f1c8ca282	249	*/
bcostm	0:d83f1c8ca282	250	uint32_t BSP_GetVersion(void)
bcostm	0:d83f1c8ca282	251	{
bcostm	0:d83f1c8ca282	252	return __STM32L496G_DISCOVERY_BSP_VERSION;
bcostm	0:d83f1c8ca282	253	}
bcostm	0:d83f1c8ca282	254
bcostm	0:d83f1c8ca282	255
bcostm	0:d83f1c8ca282	256
bcostm	0:d83f1c8ca282	257	/**
bcostm	0:d83f1c8ca282	258	* @brief Configures LED GPIOs.
bcostm	0:d83f1c8ca282	259	* @param Led: Specifies the Led to be configured.
bcostm	0:d83f1c8ca282	260	* This parameter can be one of following parameters:
bcostm	1:753810620fe9	261	* @arg DISCO_LED1
bcostm	1:753810620fe9	262	* @arg DISCO_LED2
bcostm	0:d83f1c8ca282	263	* @retval None
bcostm	0:d83f1c8ca282	264	*/
bcostm	0:d83f1c8ca282	265	void BSP_LED_Init(Led_TypeDef Led)
bcostm	0:d83f1c8ca282	266	{
bcostm	0:d83f1c8ca282	267	GPIO_InitTypeDef GPIO_InitStructure;
bcostm	0:d83f1c8ca282	268
bcostm	1:753810620fe9	269	if (Led == DISCO_LED2)
bcostm	0:d83f1c8ca282	270	{
bcostm	0:d83f1c8ca282	271	/* Enable the GPIO_LED clock */
bcostm	0:d83f1c8ca282	272	LED2_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	273
bcostm	0:d83f1c8ca282	274	/* Configure the GPIO_LED pin */
bcostm	0:d83f1c8ca282	275	GPIO_InitStructure.Pin = LED_PIN[Led];
bcostm	0:d83f1c8ca282	276	GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
bcostm	0:d83f1c8ca282	277	GPIO_InitStructure.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	278	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
bcostm	0:d83f1c8ca282	279
bcostm	0:d83f1c8ca282	280	HAL_GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStructure);
bcostm	0:d83f1c8ca282	281	/* By default, turn off LED */
bcostm	0:d83f1c8ca282	282	HAL_GPIO_WritePin(LED2_GPIO_PORT, GPIO_InitStructure.Pin, GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	283	}
bcostm	0:d83f1c8ca282	284	else
bcostm	0:d83f1c8ca282	285	{
bcostm	0:d83f1c8ca282	286	/* Initialize the IO functionalities */
bcostm	0:d83f1c8ca282	287	if (BSP_IO_Init() == IO_ERROR)
bcostm	0:d83f1c8ca282	288	{
bcostm	0:d83f1c8ca282	289	BSP_ErrorHandler();
bcostm	0:d83f1c8ca282	290	}
bcostm	0:d83f1c8ca282	291
bcostm	0:d83f1c8ca282	292	BSP_IO_ConfigPin(LED_PIN[Led], IO_MODE_OUTPUT);
bcostm	0:d83f1c8ca282	293
bcostm	0:d83f1c8ca282	294	/* By default, turn off LED */
bcostm	0:d83f1c8ca282	295	BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	296	}
bcostm	0:d83f1c8ca282	297
bcostm	0:d83f1c8ca282	298	}
bcostm	0:d83f1c8ca282	299
bcostm	0:d83f1c8ca282	300
bcostm	0:d83f1c8ca282	301	/**
bcostm	0:d83f1c8ca282	302	* @brief Unconfigures LED GPIOs.
bcostm	0:d83f1c8ca282	303	* @param Led: Specifies the Led to be unconfigured.
bcostm	0:d83f1c8ca282	304	* This parameter can be one of following parameters:
bcostm	1:753810620fe9	305	* @arg DISCO_LED1
bcostm	1:753810620fe9	306	* @arg DISCO_LED2
bcostm	0:d83f1c8ca282	307	* @retval None
bcostm	0:d83f1c8ca282	308	*/
bcostm	0:d83f1c8ca282	309	void BSP_LED_DeInit(Led_TypeDef Led)
bcostm	0:d83f1c8ca282	310	{
bcostm	1:753810620fe9	311	if (Led == DISCO_LED2)
bcostm	0:d83f1c8ca282	312	{
bcostm	0:d83f1c8ca282	313	/* Enable the GPIO_LED clock */
bcostm	0:d83f1c8ca282	314	LED2_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	315
bcostm	0:d83f1c8ca282	316	HAL_GPIO_DeInit(LED2_GPIO_PORT, LED_PIN[Led]);
bcostm	0:d83f1c8ca282	317	}
bcostm	0:d83f1c8ca282	318	}
bcostm	0:d83f1c8ca282	319
bcostm	0:d83f1c8ca282	320
bcostm	0:d83f1c8ca282	321	/**
bcostm	0:d83f1c8ca282	322	* @brief Turns selected LED On.
bcostm	0:d83f1c8ca282	323	* @param Led: Specifies the Led to be set on.
bcostm	0:d83f1c8ca282	324	* This parameter can be one of following parameters:
bcostm	1:753810620fe9	325	* @arg DISCO_LED1
bcostm	1:753810620fe9	326	* @arg DISCO_LED2
bcostm	0:d83f1c8ca282	327	* @retval None
bcostm	0:d83f1c8ca282	328	*/
bcostm	0:d83f1c8ca282	329	void BSP_LED_On(Led_TypeDef Led)
bcostm	0:d83f1c8ca282	330	{
bcostm	1:753810620fe9	331	if (Led == DISCO_LED2)
bcostm	0:d83f1c8ca282	332	{
bcostm	0:d83f1c8ca282	333	HAL_GPIO_WritePin(LED2_GPIO_PORT, LED_PIN[Led], GPIO_PIN_RESET);
bcostm	0:d83f1c8ca282	334	}
bcostm	0:d83f1c8ca282	335	else
bcostm	0:d83f1c8ca282	336	{
bcostm	0:d83f1c8ca282	337	BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_RESET);
bcostm	0:d83f1c8ca282	338	}
bcostm	0:d83f1c8ca282	339	}
bcostm	0:d83f1c8ca282	340
bcostm	0:d83f1c8ca282	341
bcostm	0:d83f1c8ca282	342	/**
bcostm	0:d83f1c8ca282	343	* @brief Turns selected LED Off.
bcostm	0:d83f1c8ca282	344	* @param Led: Specifies the Led to be set off.
bcostm	0:d83f1c8ca282	345	* This parameter can be one of following parameters:
bcostm	1:753810620fe9	346	* @arg DISCO_LED1
bcostm	1:753810620fe9	347	* @arg DISCO_LED2
bcostm	0:d83f1c8ca282	348	* @retval None
bcostm	0:d83f1c8ca282	349	*/
bcostm	0:d83f1c8ca282	350	void BSP_LED_Off(Led_TypeDef Led)
bcostm	0:d83f1c8ca282	351	{
bcostm	1:753810620fe9	352	if (Led == DISCO_LED2)
bcostm	0:d83f1c8ca282	353	{
bcostm	0:d83f1c8ca282	354	HAL_GPIO_WritePin(LED2_GPIO_PORT, LED_PIN[Led], GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	355	}
bcostm	0:d83f1c8ca282	356	else
bcostm	0:d83f1c8ca282	357	{
bcostm	0:d83f1c8ca282	358	BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	359	}
bcostm	0:d83f1c8ca282	360	}
bcostm	0:d83f1c8ca282	361
bcostm	0:d83f1c8ca282	362
bcostm	0:d83f1c8ca282	363	/**
bcostm	0:d83f1c8ca282	364	* @brief Toggles the selected LED.
bcostm	0:d83f1c8ca282	365	* @param Led: Specifies the Led to be toggled.
bcostm	0:d83f1c8ca282	366	* This parameter can be one of following parameters:
bcostm	1:753810620fe9	367	* @arg DISCO_LED1
bcostm	1:753810620fe9	368	* @arg DISCO_LED2
bcostm	0:d83f1c8ca282	369	* @retval None
bcostm	0:d83f1c8ca282	370	*/
bcostm	0:d83f1c8ca282	371	void BSP_LED_Toggle(Led_TypeDef Led)
bcostm	0:d83f1c8ca282	372	{
bcostm	1:753810620fe9	373	if (Led == DISCO_LED2)
bcostm	0:d83f1c8ca282	374	{
bcostm	0:d83f1c8ca282	375	HAL_GPIO_TogglePin(LED2_GPIO_PORT, LED_PIN[Led]);
bcostm	0:d83f1c8ca282	376	}
bcostm	0:d83f1c8ca282	377	else
bcostm	0:d83f1c8ca282	378	{
bcostm	0:d83f1c8ca282	379	BSP_IO_TogglePin(LED_PIN[Led]);
bcostm	0:d83f1c8ca282	380	}
bcostm	0:d83f1c8ca282	381	}
bcostm	0:d83f1c8ca282	382
bcostm	0:d83f1c8ca282	383	/**
bcostm	0:d83f1c8ca282	384	* @brief Configures all buttons of the joystick in GPIO or EXTI modes.
bcostm	0:d83f1c8ca282	385	* @param Joy_Mode: Joystick mode.
bcostm	0:d83f1c8ca282	386	* This parameter can be one of the following values:
bcostm	0:d83f1c8ca282	387	* @arg JOY_MODE_GPIO: Joystick pins will be used as simple IOs
bcostm	0:d83f1c8ca282	388	* @arg JOY_MODE_EXTI: Joystick pins will be connected to EXTI line
bcostm	0:d83f1c8ca282	389	* with interrupt generation capability
bcostm	0:d83f1c8ca282	390	* @retval HAL_OK: if all initializations are OK. Other value if error.
bcostm	0:d83f1c8ca282	391	*/
bcostm	0:d83f1c8ca282	392	uint8_t BSP_JOY_Init(JOYMode_TypeDef Joy_Mode)
bcostm	0:d83f1c8ca282	393	{
bcostm	0:d83f1c8ca282	394	JOYState_TypeDef joykey;
bcostm	0:d83f1c8ca282	395	GPIO_InitTypeDef GPIO_InitStruct;
bcostm	0:d83f1c8ca282	396
bcostm	0:d83f1c8ca282	397	/* Initialized the Joystick. */
bcostm	0:d83f1c8ca282	398	for (joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
bcostm	0:d83f1c8ca282	399	{
bcostm	0:d83f1c8ca282	400	/* Enable the JOY clock */
bcostm	0:d83f1c8ca282	401	JOYx_GPIO_CLK_ENABLE(joykey);
bcostm	0:d83f1c8ca282	402
bcostm	0:d83f1c8ca282	403	GPIO_InitStruct.Pin = JOY_PIN[joykey];
bcostm	0:d83f1c8ca282	404	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
bcostm	0:d83f1c8ca282	405	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
bcostm	0:d83f1c8ca282	406
bcostm	0:d83f1c8ca282	407	if (Joy_Mode == JOY_MODE_GPIO)
bcostm	0:d83f1c8ca282	408	{
bcostm	0:d83f1c8ca282	409	/* Configure Joy pin as input */
bcostm	0:d83f1c8ca282	410	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
bcostm	0:d83f1c8ca282	411	HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	412	}
bcostm	0:d83f1c8ca282	413	else if (Joy_Mode == JOY_MODE_EXTI)
bcostm	0:d83f1c8ca282	414	{
bcostm	0:d83f1c8ca282	415	/* Configure Joy pin as input with External interrupt */
bcostm	0:d83f1c8ca282	416	GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
bcostm	0:d83f1c8ca282	417	HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	418	/* Enable and set Joy EXTI Interrupt to the lowest priority */
bcostm	0:d83f1c8ca282	419	HAL_NVIC_SetPriority((IRQn_Type)(JOY_IRQn[joykey]), 0x0F, 0x00);
bcostm	0:d83f1c8ca282	420	HAL_NVIC_EnableIRQ((IRQn_Type)(JOY_IRQn[joykey]));
bcostm	0:d83f1c8ca282	421	}
bcostm	0:d83f1c8ca282	422	}
bcostm	0:d83f1c8ca282	423
bcostm	0:d83f1c8ca282	424	return HAL_OK;
bcostm	0:d83f1c8ca282	425	}
bcostm	0:d83f1c8ca282	426
bcostm	0:d83f1c8ca282	427	/**
bcostm	0:d83f1c8ca282	428	* @brief Unconfigures all GPIOs used as buttons of the joystick.
bcostm	0:d83f1c8ca282	429	* @retval None.
bcostm	0:d83f1c8ca282	430	*/
bcostm	0:d83f1c8ca282	431	void BSP_JOY_DeInit(void)
bcostm	0:d83f1c8ca282	432	{
bcostm	0:d83f1c8ca282	433	JOYState_TypeDef joykey;
bcostm	0:d83f1c8ca282	434
bcostm	0:d83f1c8ca282	435	/* Initialized the Joystick. */
bcostm	0:d83f1c8ca282	436	for (joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
bcostm	0:d83f1c8ca282	437	{
bcostm	0:d83f1c8ca282	438	/* Enable the JOY clock */
bcostm	0:d83f1c8ca282	439	JOYx_GPIO_CLK_ENABLE(joykey);
bcostm	0:d83f1c8ca282	440
bcostm	0:d83f1c8ca282	441	HAL_GPIO_DeInit(JOY_PORT[joykey], JOY_PIN[joykey]);
bcostm	0:d83f1c8ca282	442	}
bcostm	0:d83f1c8ca282	443	}
bcostm	0:d83f1c8ca282	444
bcostm	0:d83f1c8ca282	445	/**
bcostm	0:d83f1c8ca282	446	* @brief Returns the current joystick status.
bcostm	0:d83f1c8ca282	447	* @retval Code of the joystick key pressed
bcostm	0:d83f1c8ca282	448	* This code can be one of the following values:
bcostm	0:d83f1c8ca282	449	* @arg JOY_NONE
bcostm	0:d83f1c8ca282	450	* @arg JOY_SEL
bcostm	0:d83f1c8ca282	451	* @arg JOY_DOWN
bcostm	0:d83f1c8ca282	452	* @arg JOY_LEFT
bcostm	0:d83f1c8ca282	453	* @arg JOY_RIGHT
bcostm	0:d83f1c8ca282	454	* @arg JOY_UP
bcostm	0:d83f1c8ca282	455	*/
bcostm	0:d83f1c8ca282	456	JOYState_TypeDef BSP_JOY_GetState(void)
bcostm	0:d83f1c8ca282	457	{
bcostm	0:d83f1c8ca282	458	JOYState_TypeDef joykey;
bcostm	0:d83f1c8ca282	459
bcostm	0:d83f1c8ca282	460	for (joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
bcostm	0:d83f1c8ca282	461	{
bcostm	0:d83f1c8ca282	462	if (HAL_GPIO_ReadPin(JOY_PORT[joykey], JOY_PIN[joykey]) == GPIO_PIN_SET)
bcostm	0:d83f1c8ca282	463	{
bcostm	0:d83f1c8ca282	464	/* Return Code Joystick key pressed */
bcostm	0:d83f1c8ca282	465	return joykey;
bcostm	0:d83f1c8ca282	466	}
bcostm	0:d83f1c8ca282	467	}
bcostm	0:d83f1c8ca282	468
bcostm	0:d83f1c8ca282	469	/* No Joystick key pressed */
bcostm	0:d83f1c8ca282	470	return JOY_NONE;
bcostm	0:d83f1c8ca282	471	}
bcostm	0:d83f1c8ca282	472
bcostm	0:d83f1c8ca282	473	#if defined(HAL_UART_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	474	/**
bcostm	0:d83f1c8ca282	475	* @brief Configures COM port.
bcostm	0:d83f1c8ca282	476	* @param COM: COM port to be configured.
bcostm	0:d83f1c8ca282	477	* This parameter can be one of the following values:
bcostm	0:d83f1c8ca282	478	* @arg COM1
bcostm	0:d83f1c8ca282	479	* @param huart: Pointer to a UART_HandleTypeDef structure that contains the
bcostm	0:d83f1c8ca282	480	* configuration information for the specified USART peripheral.
bcostm	0:d83f1c8ca282	481	*/
bcostm	0:d83f1c8ca282	482	void BSP_COM_Init(COM_TypeDef COM, UART_HandleTypeDef *huart)
bcostm	0:d83f1c8ca282	483	{
bcostm	0:d83f1c8ca282	484	GPIO_InitTypeDef gpio_init_structure;
bcostm	0:d83f1c8ca282	485
bcostm	0:d83f1c8ca282	486	/* Enable GPIO clock */
bcostm	0:d83f1c8ca282	487	DISCOVERY_COMx_TX_GPIO_CLK_ENABLE(COM);
bcostm	0:d83f1c8ca282	488	DISCOVERY_COMx_RX_GPIO_CLK_ENABLE(COM);
bcostm	0:d83f1c8ca282	489
bcostm	0:d83f1c8ca282	490	/* Enable USART clock */
bcostm	0:d83f1c8ca282	491	DISCOVERY_COMx_CLK_ENABLE(COM);
bcostm	0:d83f1c8ca282	492
bcostm	0:d83f1c8ca282	493	/* Configure USART Tx as alternate function */
bcostm	0:d83f1c8ca282	494	gpio_init_structure.Pin = COM_TX_PIN[COM];
bcostm	0:d83f1c8ca282	495	gpio_init_structure.Mode = GPIO_MODE_AF_PP;
bcostm	0:d83f1c8ca282	496	gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm	0:d83f1c8ca282	497	gpio_init_structure.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	498	gpio_init_structure.Alternate = COM_TX_AF[COM];
bcostm	0:d83f1c8ca282	499	HAL_GPIO_Init(COM_TX_PORT[COM], &gpio_init_structure);
bcostm	0:d83f1c8ca282	500
bcostm	0:d83f1c8ca282	501	/* Configure USART Rx as alternate function */
bcostm	0:d83f1c8ca282	502	gpio_init_structure.Pin = COM_RX_PIN[COM];
bcostm	0:d83f1c8ca282	503	gpio_init_structure.Mode = GPIO_MODE_AF_PP;
bcostm	0:d83f1c8ca282	504	gpio_init_structure.Alternate = COM_RX_AF[COM];
bcostm	0:d83f1c8ca282	505	HAL_GPIO_Init(COM_RX_PORT[COM], &gpio_init_structure);
bcostm	0:d83f1c8ca282	506
bcostm	0:d83f1c8ca282	507	/* USART configuration */
bcostm	0:d83f1c8ca282	508	huart->Instance = COM_USART[COM];
bcostm	0:d83f1c8ca282	509	HAL_UART_Init(huart);
bcostm	0:d83f1c8ca282	510	}
bcostm	0:d83f1c8ca282	511
bcostm	0:d83f1c8ca282	512	/**
bcostm	0:d83f1c8ca282	513	* @brief DeInit COM port.
bcostm	0:d83f1c8ca282	514	* @param COM: COM port to be configured.
bcostm	0:d83f1c8ca282	515	* This parameter can be one of the following values:
bcostm	0:d83f1c8ca282	516	* @arg COM1
bcostm	0:d83f1c8ca282	517	* @param huart: Pointer to a UART_HandleTypeDef structure that contains the
bcostm	0:d83f1c8ca282	518	* configuration information for the specified USART peripheral.
bcostm	0:d83f1c8ca282	519	*/
bcostm	0:d83f1c8ca282	520	void BSP_COM_DeInit(COM_TypeDef COM, UART_HandleTypeDef *huart)
bcostm	0:d83f1c8ca282	521	{
bcostm	0:d83f1c8ca282	522	/* USART deinitialization */
bcostm	0:d83f1c8ca282	523	huart->Instance = COM_USART[COM];
bcostm	0:d83f1c8ca282	524	HAL_UART_DeInit(huart);
bcostm	0:d83f1c8ca282	525
bcostm	0:d83f1c8ca282	526	/* Disable USART clock */
bcostm	0:d83f1c8ca282	527	DISCOVERY_COMx_CLK_DISABLE(COM);
bcostm	0:d83f1c8ca282	528
bcostm	0:d83f1c8ca282	529	/* USART TX/RX pins deinitializations */
bcostm	0:d83f1c8ca282	530	HAL_GPIO_DeInit(COM_TX_PORT[COM], COM_TX_PIN[COM]);
bcostm	0:d83f1c8ca282	531	HAL_GPIO_DeInit(COM_RX_PORT[COM], COM_RX_PIN[COM]);
bcostm	0:d83f1c8ca282	532
bcostm	0:d83f1c8ca282	533	/* Disable GPIOs clock is left for application */
bcostm	0:d83f1c8ca282	534	}
bcostm	0:d83f1c8ca282	535	#endif /* HAL_UART_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	536
bcostm	0:d83f1c8ca282	537	/**
bcostm	0:d83f1c8ca282	538	* @}
bcostm	0:d83f1c8ca282	539	*/
bcostm	0:d83f1c8ca282	540
bcostm	0:d83f1c8ca282	541	/** @defgroup STM32L496G_DISCOVERY_BusOperations_Functions Bus Operations Functions
bcostm	0:d83f1c8ca282	542	* @{
bcostm	0:d83f1c8ca282	543	*/
bcostm	0:d83f1c8ca282	544
bcostm	0:d83f1c8ca282	545	/*******************************************************************************
bcostm	0:d83f1c8ca282	546	BUS OPERATIONS
bcostm	0:d83f1c8ca282	547	*******************************************************************************/
bcostm	0:d83f1c8ca282	548
bcostm	0:d83f1c8ca282	549	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	550	/***************************** I2C Routines********************************/
bcostm	0:d83f1c8ca282	551	/**
bcostm	0:d83f1c8ca282	552	* @brief Discovery I2C2 Bus initialization
bcostm	0:d83f1c8ca282	553	* @retval None
bcostm	0:d83f1c8ca282	554	*/
bcostm	0:d83f1c8ca282	555	void I2C2_Init(void)
bcostm	0:d83f1c8ca282	556	{
bcostm	0:d83f1c8ca282	557	if (HAL_I2C_GetState(&I2c2Handle) == HAL_I2C_STATE_RESET)
bcostm	0:d83f1c8ca282	558	{
bcostm	0:d83f1c8ca282	559	I2c2Handle.Instance = DISCOVERY_I2C2;
bcostm	0:d83f1c8ca282	560	I2c2Handle.Init.Timing = DISCOVERY_I2C2_TIMING;
bcostm	0:d83f1c8ca282	561	I2c2Handle.Init.OwnAddress1 = 0x70;
bcostm	0:d83f1c8ca282	562	I2c2Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
bcostm	0:d83f1c8ca282	563	I2c2Handle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
bcostm	0:d83f1c8ca282	564	I2c2Handle.Init.OwnAddress2 = 0xFF;
bcostm	0:d83f1c8ca282	565	I2c2Handle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
bcostm	0:d83f1c8ca282	566	I2c2Handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
bcostm	0:d83f1c8ca282	567
bcostm	0:d83f1c8ca282	568	/* Init the I2C */
bcostm	0:d83f1c8ca282	569	I2C2_MspInit(&I2c2Handle);
bcostm	0:d83f1c8ca282	570	HAL_I2C_Init(&I2c2Handle);
bcostm	0:d83f1c8ca282	571	}
bcostm	0:d83f1c8ca282	572	}
bcostm	0:d83f1c8ca282	573
bcostm	0:d83f1c8ca282	574	/**
bcostm	0:d83f1c8ca282	575	* @brief Discovery I2C2 MSP Initialization
bcostm	0:d83f1c8ca282	576	* @param hi2c: I2C2 handle
bcostm	0:d83f1c8ca282	577	* @retval None
bcostm	0:d83f1c8ca282	578	*/
bcostm	0:d83f1c8ca282	579	static void I2C2_MspInit(I2C_HandleTypeDef *hi2c)
bcostm	0:d83f1c8ca282	580	{
bcostm	0:d83f1c8ca282	581	GPIO_InitTypeDef GPIO_InitStructure;
bcostm	0:d83f1c8ca282	582	RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
bcostm	0:d83f1c8ca282	583
bcostm	0:d83f1c8ca282	584	if (hi2c->Instance == DISCOVERY_I2C2)
bcostm	0:d83f1c8ca282	585	{
bcostm	0:d83f1c8ca282	586	/##-1- Configure the Discovery I2C2 clock source. The clock is derived from the SYSCLK #/
bcostm	0:d83f1c8ca282	587	RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
bcostm	0:d83f1c8ca282	588	RCC_PeriphCLKInitStruct.I2c2ClockSelection = RCC_I2C2CLKSOURCE_SYSCLK;
bcostm	0:d83f1c8ca282	589	HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
bcostm	0:d83f1c8ca282	590
bcostm	0:d83f1c8ca282	591	/##-2- Configure the GPIOs ################################################/
bcostm	0:d83f1c8ca282	592	/* Enable GPIO clock */
bcostm	0:d83f1c8ca282	593	DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	594	DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	595
bcostm	0:d83f1c8ca282	596	/* Configure I2C Rx/Tx as alternate function */
bcostm	0:d83f1c8ca282	597	GPIO_InitStructure.Pin = DISCOVERY_I2C2_SCL_PIN;
bcostm	0:d83f1c8ca282	598	GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
bcostm	0:d83f1c8ca282	599	GPIO_InitStructure.Pull = /GPIO_NOPULL/ GPIO_PULLUP;
bcostm	0:d83f1c8ca282	600	GPIO_InitStructure.Speed = /GPIO_SPEED_MEDIUM/ GPIO_SPEED_FREQ_VERY_HIGH;
bcostm	0:d83f1c8ca282	601	GPIO_InitStructure.Alternate = DISCOVERY_I2C2_SCL_SDA_AF;
bcostm	0:d83f1c8ca282	602	HAL_GPIO_Init(DISCOVERY_I2C2_SCL_GPIO_PORT, &GPIO_InitStructure);
bcostm	0:d83f1c8ca282	603	GPIO_InitStructure.Pin = DISCOVERY_I2C2_SDA_PIN;
bcostm	0:d83f1c8ca282	604	HAL_GPIO_Init(DISCOVERY_I2C2_SDA_GPIO_PORT, &GPIO_InitStructure);
bcostm	0:d83f1c8ca282	605
bcostm	0:d83f1c8ca282	606	/##-3- Configure the Discovery I2C2 peripheral #############################/
bcostm	0:d83f1c8ca282	607	/* Enable Discovery_I2C2 clock */
bcostm	0:d83f1c8ca282	608	DISCOVERY_I2C2_CLK_ENABLE();
bcostm	0:d83f1c8ca282	609
bcostm	0:d83f1c8ca282	610	/* Force and release the I2C Peripheral Clock Reset */
bcostm	0:d83f1c8ca282	611	DISCOVERY_I2C2_FORCE_RESET();
bcostm	0:d83f1c8ca282	612	DISCOVERY_I2C2_RELEASE_RESET();
bcostm	0:d83f1c8ca282	613
bcostm	0:d83f1c8ca282	614	/* Enable and set Discovery I2C2 Interrupt to the highest priority */
bcostm	0:d83f1c8ca282	615	HAL_NVIC_SetPriority(DISCOVERY_I2C2_EV_IRQn, 0x00, 0);
bcostm	0:d83f1c8ca282	616	HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_EV_IRQn);
bcostm	0:d83f1c8ca282	617
bcostm	0:d83f1c8ca282	618	/* Enable and set Discovery I2C2 Interrupt to the highest priority */
bcostm	0:d83f1c8ca282	619	HAL_NVIC_SetPriority(DISCOVERY_I2C2_ER_IRQn, 0x00, 0);
bcostm	0:d83f1c8ca282	620	HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_ER_IRQn);
bcostm	0:d83f1c8ca282	621	}
bcostm	0:d83f1c8ca282	622	}
bcostm	0:d83f1c8ca282	623
bcostm	0:d83f1c8ca282	624	/**
bcostm	0:d83f1c8ca282	625	* @brief Discovery I2C2 Bus Deinitialization
bcostm	0:d83f1c8ca282	626	* @retval None
bcostm	0:d83f1c8ca282	627	*/
bcostm	0:d83f1c8ca282	628	void I2C2_DeInit(void)
bcostm	0:d83f1c8ca282	629	{
bcostm	0:d83f1c8ca282	630	if (HAL_I2C_GetState(&I2c2Handle) != HAL_I2C_STATE_RESET)
bcostm	0:d83f1c8ca282	631	{
bcostm	0:d83f1c8ca282	632	/* DeInit the I2C */
bcostm	0:d83f1c8ca282	633	HAL_I2C_DeInit(&I2c2Handle);
bcostm	0:d83f1c8ca282	634	I2C2_MspDeInit(&I2c2Handle);
bcostm	0:d83f1c8ca282	635	}
bcostm	0:d83f1c8ca282	636	}
bcostm	0:d83f1c8ca282	637
bcostm	0:d83f1c8ca282	638	/**
bcostm	0:d83f1c8ca282	639	* @brief Discovery I2C2 MSP DeInitialization
bcostm	0:d83f1c8ca282	640	* @param hi2c: I2C2 handle
bcostm	0:d83f1c8ca282	641	* @retval None
bcostm	0:d83f1c8ca282	642	*/
bcostm	0:d83f1c8ca282	643	static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c)
bcostm	0:d83f1c8ca282	644	{
bcostm	0:d83f1c8ca282	645	if (hi2c->Instance == DISCOVERY_I2C2)
bcostm	0:d83f1c8ca282	646	{
bcostm	0:d83f1c8ca282	647	/##-1- Unconfigure the GPIOs ################################################/
bcostm	0:d83f1c8ca282	648	/* Enable GPIO clock */
bcostm	0:d83f1c8ca282	649	DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	650	DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	651
bcostm	0:d83f1c8ca282	652	/* Configure I2C Rx/Tx as alternate function */
bcostm	0:d83f1c8ca282	653	HAL_GPIO_DeInit(DISCOVERY_I2C2_SCL_GPIO_PORT, DISCOVERY_I2C2_SCL_PIN);
bcostm	0:d83f1c8ca282	654	HAL_GPIO_DeInit(DISCOVERY_I2C2_SDA_GPIO_PORT, DISCOVERY_I2C2_SDA_PIN);
bcostm	0:d83f1c8ca282	655
bcostm	0:d83f1c8ca282	656	/##-2- Unconfigure the Discovery I2C2 peripheral ############################/
bcostm	0:d83f1c8ca282	657	/* Force and release I2C Peripheral */
bcostm	0:d83f1c8ca282	658	DISCOVERY_I2C2_FORCE_RESET();
bcostm	0:d83f1c8ca282	659	DISCOVERY_I2C2_RELEASE_RESET();
bcostm	0:d83f1c8ca282	660
bcostm	0:d83f1c8ca282	661	/* Disable Discovery I2C2 clock */
bcostm	0:d83f1c8ca282	662	DISCOVERY_I2C2_CLK_DISABLE();
bcostm	0:d83f1c8ca282	663
bcostm	0:d83f1c8ca282	664	/* Disable Discovery I2C2 interrupts */
bcostm	0:d83f1c8ca282	665	HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_EV_IRQn);
bcostm	0:d83f1c8ca282	666	HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_ER_IRQn);
bcostm	0:d83f1c8ca282	667	}
bcostm	0:d83f1c8ca282	668	}
bcostm	0:d83f1c8ca282	669
bcostm	0:d83f1c8ca282	670	/**
bcostm	0:d83f1c8ca282	671	* @brief Write a value in a register of the device through BUS.
bcostm	0:d83f1c8ca282	672	* @param Addr: Device address on BUS Bus.
bcostm	0:d83f1c8ca282	673	* @param Reg: The target register address to write
bcostm	0:d83f1c8ca282	674	* @param RegSize: The target register size (can be 8BIT or 16BIT)
bcostm	0:d83f1c8ca282	675	* @param Value: The target register value to be written
bcostm	0:d83f1c8ca282	676	* @retval None
bcostm	0:d83f1c8ca282	677	*/
bcostm	0:d83f1c8ca282	678	static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value)
bcostm	0:d83f1c8ca282	679	{
bcostm	0:d83f1c8ca282	680	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	681
bcostm	0:d83f1c8ca282	682	__disable_irq();
bcostm	0:d83f1c8ca282	683
bcostm	0:d83f1c8ca282	684	status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, &Value, 1, I2c2Timeout);
bcostm	0:d83f1c8ca282	685
bcostm	0:d83f1c8ca282	686	__enable_irq();
bcostm	0:d83f1c8ca282	687
bcostm	0:d83f1c8ca282	688
bcostm	0:d83f1c8ca282	689	/* Check the communication status */
bcostm	0:d83f1c8ca282	690	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	691	{
bcostm	0:d83f1c8ca282	692	/* Re-Initiaize the BUS */
bcostm	0:d83f1c8ca282	693	I2C2_Error();
bcostm	0:d83f1c8ca282	694	}
bcostm	0:d83f1c8ca282	695	}
bcostm	0:d83f1c8ca282	696
bcostm	0:d83f1c8ca282	697	/**
bcostm	0:d83f1c8ca282	698	* @brief Write a value in a register of the device through BUS.
bcostm	0:d83f1c8ca282	699	* @param Addr: Device address on BUS Bus.
bcostm	0:d83f1c8ca282	700	* @param Reg: The target register address to write
bcostm	0:d83f1c8ca282	701	* @param RegSize: The target register size (can be 8BIT or 16BIT)
bcostm	0:d83f1c8ca282	702	* @param pBuffer: The target register value to be written
bcostm	0:d83f1c8ca282	703	* @param Length: buffer size to be written
bcostm	0:d83f1c8ca282	704	* @retval None
bcostm	0:d83f1c8ca282	705	*/
bcostm	0:d83f1c8ca282	706	static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
bcostm	0:d83f1c8ca282	707	{
bcostm	0:d83f1c8ca282	708	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	709
bcostm	0:d83f1c8ca282	710	__disable_irq();
bcostm	0:d83f1c8ca282	711
bcostm	0:d83f1c8ca282	712	status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
bcostm	0:d83f1c8ca282	713
bcostm	0:d83f1c8ca282	714	__enable_irq();
bcostm	0:d83f1c8ca282	715
bcostm	0:d83f1c8ca282	716
bcostm	0:d83f1c8ca282	717	/* Check the communication status */
bcostm	0:d83f1c8ca282	718	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	719	{
bcostm	0:d83f1c8ca282	720	/* Re-Initiaize the BUS */
bcostm	0:d83f1c8ca282	721	I2C2_Error();
bcostm	0:d83f1c8ca282	722	}
bcostm	0:d83f1c8ca282	723
bcostm	0:d83f1c8ca282	724	return status;
bcostm	0:d83f1c8ca282	725	}
bcostm	0:d83f1c8ca282	726
bcostm	0:d83f1c8ca282	727	/**
bcostm	0:d83f1c8ca282	728	* @brief Read a register of the device through BUS
bcostm	0:d83f1c8ca282	729	* @param Addr: Device address on BUS
bcostm	0:d83f1c8ca282	730	* @param Reg: The target register address to read
bcostm	0:d83f1c8ca282	731	* @param RegSize: The target register size (can be 8BIT or 16BIT)
bcostm	0:d83f1c8ca282	732	* @retval read register value
bcostm	0:d83f1c8ca282	733	*/
bcostm	0:d83f1c8ca282	734	static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize)
bcostm	0:d83f1c8ca282	735	{
bcostm	0:d83f1c8ca282	736	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	737	uint8_t value = 0x0;
bcostm	0:d83f1c8ca282	738
bcostm	0:d83f1c8ca282	739	__disable_irq();
bcostm	0:d83f1c8ca282	740
bcostm	0:d83f1c8ca282	741	status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, Reg, RegSize, &value, 1, I2c2Timeout);
bcostm	0:d83f1c8ca282	742
bcostm	0:d83f1c8ca282	743	__enable_irq();
bcostm	0:d83f1c8ca282	744
bcostm	0:d83f1c8ca282	745	/* Check the communication status */
bcostm	0:d83f1c8ca282	746	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	747	{
bcostm	0:d83f1c8ca282	748	/* Re-Initiaize the BUS */
bcostm	0:d83f1c8ca282	749	I2C2_Error();
bcostm	0:d83f1c8ca282	750	HAL_Delay(200);
bcostm	0:d83f1c8ca282	751	}
bcostm	0:d83f1c8ca282	752
bcostm	0:d83f1c8ca282	753	return value;
bcostm	0:d83f1c8ca282	754	}
bcostm	0:d83f1c8ca282	755
bcostm	0:d83f1c8ca282	756	static uint8_t I2C2_isDeviceReady(uint16_t Addr, uint32_t trial)
bcostm	0:d83f1c8ca282	757	{
bcostm	0:d83f1c8ca282	758	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	759	uint8_t value = 0x0;
bcostm	0:d83f1c8ca282	760
bcostm	0:d83f1c8ca282	761	__disable_irq();
bcostm	0:d83f1c8ca282	762
bcostm	0:d83f1c8ca282	763	status = HAL_I2C_IsDeviceReady(&I2c2Handle, Addr, trial, 50);
bcostm	0:d83f1c8ca282	764
bcostm	0:d83f1c8ca282	765	__enable_irq();
bcostm	0:d83f1c8ca282	766
bcostm	0:d83f1c8ca282	767	/* Check the communication status */
bcostm	0:d83f1c8ca282	768	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	769	{
bcostm	0:d83f1c8ca282	770	/* Re-Initiaize the BUS */
bcostm	0:d83f1c8ca282	771	I2C2_Error();
bcostm	0:d83f1c8ca282	772	HAL_Delay(200);
bcostm	0:d83f1c8ca282	773	}
bcostm	0:d83f1c8ca282	774
bcostm	0:d83f1c8ca282	775	return value;
bcostm	0:d83f1c8ca282	776	}
bcostm	0:d83f1c8ca282	777
bcostm	0:d83f1c8ca282	778	/**
bcostm	0:d83f1c8ca282	779	* @brief Reads multiple data on the BUS.
bcostm	0:d83f1c8ca282	780	* @param Addr: I2C Address
bcostm	0:d83f1c8ca282	781	* @param Reg: Reg Address
bcostm	0:d83f1c8ca282	782	* @param RegSize : The target register size (can be 8BIT or 16BIT)
bcostm	0:d83f1c8ca282	783	* @param pBuffer: pointer to read data buffer
bcostm	0:d83f1c8ca282	784	* @param Length: length of the data
bcostm	0:d83f1c8ca282	785	* @retval 0 if no problems to read multiple data
bcostm	0:d83f1c8ca282	786	*/
bcostm	0:d83f1c8ca282	787	static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
bcostm	0:d83f1c8ca282	788	{
bcostm	0:d83f1c8ca282	789	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	790
bcostm	0:d83f1c8ca282	791	__disable_irq();
bcostm	0:d83f1c8ca282	792
bcostm	0:d83f1c8ca282	793	status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
bcostm	0:d83f1c8ca282	794
bcostm	0:d83f1c8ca282	795	__enable_irq();
bcostm	0:d83f1c8ca282	796
bcostm	0:d83f1c8ca282	797	/* Check the communication status */
bcostm	0:d83f1c8ca282	798	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	799	{
bcostm	0:d83f1c8ca282	800	/* Re-Initiaize the BUS */
bcostm	0:d83f1c8ca282	801	I2C2_Error();
bcostm	0:d83f1c8ca282	802	}
bcostm	0:d83f1c8ca282	803
bcostm	0:d83f1c8ca282	804	return status;
bcostm	0:d83f1c8ca282	805	}
bcostm	0:d83f1c8ca282	806
bcostm	0:d83f1c8ca282	807	/**
bcostm	0:d83f1c8ca282	808	* @brief Discovery I2C2 error treatment function
bcostm	0:d83f1c8ca282	809	* @retval None
bcostm	0:d83f1c8ca282	810	*/
bcostm	0:d83f1c8ca282	811	static void I2C2_Error(void)
bcostm	0:d83f1c8ca282	812	{
bcostm	0:d83f1c8ca282	813	BSP_ErrorHandler();
bcostm	0:d83f1c8ca282	814
bcostm	0:d83f1c8ca282	815	/* De-initialize the I2C communication BUS */
bcostm	0:d83f1c8ca282	816	HAL_I2C_DeInit(&I2c2Handle);
bcostm	0:d83f1c8ca282	817
bcostm	0:d83f1c8ca282	818	/* Re- Initiaize the I2C communication BUS */
bcostm	0:d83f1c8ca282	819	I2C2_Init();
bcostm	0:d83f1c8ca282	820	}
bcostm	0:d83f1c8ca282	821
bcostm	0:d83f1c8ca282	822
bcostm	0:d83f1c8ca282	823
bcostm	0:d83f1c8ca282	824	/***************************** I2C Routines *******************************/
bcostm	0:d83f1c8ca282	825	/**
bcostm	0:d83f1c8ca282	826	* @brief Initializes I2C HAL.
bcostm	0:d83f1c8ca282	827	* @param i2c_handler : I2C handler
bcostm	0:d83f1c8ca282	828	* @retval None
bcostm	0:d83f1c8ca282	829	*/
bcostm	0:d83f1c8ca282	830	static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler)
bcostm	0:d83f1c8ca282	831	{
bcostm	0:d83f1c8ca282	832
bcostm	0:d83f1c8ca282	833	if (HAL_I2C_GetState(i2c_handler) == HAL_I2C_STATE_RESET)
bcostm	0:d83f1c8ca282	834	{
bcostm	0:d83f1c8ca282	835	if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cTSHandler))
bcostm	0:d83f1c8ca282	836	{
bcostm	0:d83f1c8ca282	837	/* TS (Capacitive Touch Panel) and LCD I2C configuration */
bcostm	0:d83f1c8ca282	838	i2c_handler->Instance = DISCOVERY_TS_I2Cx;
bcostm	0:d83f1c8ca282	839
bcostm	0:d83f1c8ca282	840	/* Need to enable MFX, and in doing so, initialize I2C at the same time */
bcostm	0:d83f1c8ca282	841	/* MFX_IO_Init();*/
bcostm	0:d83f1c8ca282	842
bcostm	0:d83f1c8ca282	843	}
bcostm	0:d83f1c8ca282	844	else if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cAudioHandler))
bcostm	0:d83f1c8ca282	845	{
bcostm	0:d83f1c8ca282	846	/* Audio and LCD I2C configuration */
bcostm	0:d83f1c8ca282	847	i2c_handler->Instance = DISCOVERY_AUDIO_I2Cx;
bcostm	0:d83f1c8ca282	848	}
bcostm	0:d83f1c8ca282	849	else if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cCameraHandler))
bcostm	0:d83f1c8ca282	850	{
bcostm	0:d83f1c8ca282	851	i2c_handler->Instance = DISCOVERY_CAMERA_I2Cx;
bcostm	0:d83f1c8ca282	852	}
bcostm	0:d83f1c8ca282	853	else
bcostm	0:d83f1c8ca282	854	{
bcostm	0:d83f1c8ca282	855	/* External, EEPROM and Arduino connector I2C configuration */
bcostm	0:d83f1c8ca282	856	i2c_handler->Instance = DISCOVERY_EXT_I2Cx;
bcostm	0:d83f1c8ca282	857	}
bcostm	0:d83f1c8ca282	858
bcostm	0:d83f1c8ca282	859	i2c_handler->Init.Timing = DISCOVERY_I2C_TIMING;
bcostm	0:d83f1c8ca282	860	i2c_handler->Init.OwnAddress1 = 0x70;
bcostm	0:d83f1c8ca282	861	i2c_handler->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
bcostm	0:d83f1c8ca282	862	i2c_handler->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
bcostm	0:d83f1c8ca282	863	i2c_handler->Init.OwnAddress2 = 0xFF;
bcostm	0:d83f1c8ca282	864	i2c_handler->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
bcostm	0:d83f1c8ca282	865	i2c_handler->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
bcostm	0:d83f1c8ca282	866
bcostm	0:d83f1c8ca282	867
bcostm	0:d83f1c8ca282	868	/* Init the I2C */
bcostm	0:d83f1c8ca282	869	HAL_I2C_Init(i2c_handler);
bcostm	0:d83f1c8ca282	870
bcostm	0:d83f1c8ca282	871	}
bcostm	0:d83f1c8ca282	872
bcostm	0:d83f1c8ca282	873	}
bcostm	0:d83f1c8ca282	874
bcostm	0:d83f1c8ca282	875	/**
bcostm	0:d83f1c8ca282	876	* @brief Reads multiple data.
bcostm	0:d83f1c8ca282	877	* @param i2c_handler : I2C handler
bcostm	0:d83f1c8ca282	878	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	879	* @param Reg: Reg address
bcostm	0:d83f1c8ca282	880	* @param MemAddress: Memory address
bcostm	0:d83f1c8ca282	881	* @param Buffer: Pointer to data buffer
bcostm	0:d83f1c8ca282	882	* @param Length: Length of the data
bcostm	0:d83f1c8ca282	883	* @retval Number of read data
bcostm	0:d83f1c8ca282	884	*/
bcostm	0:d83f1c8ca282	885	static HAL_StatusTypeDef I2Cx_ReadMultiple(I2C_HandleTypeDef *i2c_handler,
bcostm	0:d83f1c8ca282	886	uint8_t Addr,
bcostm	0:d83f1c8ca282	887	uint16_t Reg,
bcostm	0:d83f1c8ca282	888	uint16_t MemAddress,
bcostm	0:d83f1c8ca282	889	uint8_t *Buffer,
bcostm	0:d83f1c8ca282	890	uint16_t Length)
bcostm	0:d83f1c8ca282	891	{
bcostm	0:d83f1c8ca282	892	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	893
bcostm	0:d83f1c8ca282	894	status = HAL_I2C_Mem_Read(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
bcostm	0:d83f1c8ca282	895
bcostm	0:d83f1c8ca282	896	/* Check the communication status */
bcostm	0:d83f1c8ca282	897	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	898	{
bcostm	0:d83f1c8ca282	899	/* I2C error occurred */
bcostm	0:d83f1c8ca282	900	I2Cx_Error(i2c_handler, Addr);
bcostm	0:d83f1c8ca282	901	}
bcostm	0:d83f1c8ca282	902	return status;
bcostm	0:d83f1c8ca282	903	}
bcostm	0:d83f1c8ca282	904
bcostm	0:d83f1c8ca282	905	/**
bcostm	0:d83f1c8ca282	906	* @brief Writes a value in a register of the device through BUS in using DMA mode.
bcostm	0:d83f1c8ca282	907	* @param i2c_handler : I2C handler
bcostm	0:d83f1c8ca282	908	* @param Addr: Device address on BUS Bus.
bcostm	0:d83f1c8ca282	909	* @param Reg: The target register address to write
bcostm	0:d83f1c8ca282	910	* @param MemAddress: Memory address
bcostm	0:d83f1c8ca282	911	* @param Buffer: The target register value to be written
bcostm	0:d83f1c8ca282	912	* @param Length: buffer size to be written
bcostm	0:d83f1c8ca282	913	* @retval HAL status
bcostm	0:d83f1c8ca282	914	*/
bcostm	0:d83f1c8ca282	915	static HAL_StatusTypeDef I2Cx_WriteMultiple(I2C_HandleTypeDef *i2c_handler,
bcostm	0:d83f1c8ca282	916	uint8_t Addr,
bcostm	0:d83f1c8ca282	917	uint16_t Reg,
bcostm	0:d83f1c8ca282	918	uint16_t MemAddress,
bcostm	0:d83f1c8ca282	919	uint8_t *Buffer,
bcostm	0:d83f1c8ca282	920	uint16_t Length)
bcostm	0:d83f1c8ca282	921	{
bcostm	0:d83f1c8ca282	922	HAL_StatusTypeDef status = HAL_OK;
bcostm	0:d83f1c8ca282	923
bcostm	0:d83f1c8ca282	924	status = HAL_I2C_Mem_Write(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
bcostm	0:d83f1c8ca282	925
bcostm	0:d83f1c8ca282	926	/* Check the communication status */
bcostm	0:d83f1c8ca282	927	if (status != HAL_OK)
bcostm	0:d83f1c8ca282	928	{
bcostm	0:d83f1c8ca282	929	/* Re-Initialize the I2C Bus */
bcostm	0:d83f1c8ca282	930	I2Cx_Error(i2c_handler, Addr);
bcostm	0:d83f1c8ca282	931	}
bcostm	0:d83f1c8ca282	932	return status;
bcostm	0:d83f1c8ca282	933	}
bcostm	0:d83f1c8ca282	934
bcostm	0:d83f1c8ca282	935	/**
bcostm	0:d83f1c8ca282	936	* @brief Manages error callback by re-initializing I2C.
bcostm	0:d83f1c8ca282	937	* @param i2c_handler : I2C handler
bcostm	0:d83f1c8ca282	938	* @param Addr: I2C Address
bcostm	0:d83f1c8ca282	939	* @retval None
bcostm	0:d83f1c8ca282	940	*/
bcostm	0:d83f1c8ca282	941	static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr)
bcostm	0:d83f1c8ca282	942	{
bcostm	0:d83f1c8ca282	943	BSP_ErrorHandler();
bcostm	0:d83f1c8ca282	944
bcostm	0:d83f1c8ca282	945	/* De-initialize the I2C communication bus */
bcostm	0:d83f1c8ca282	946	if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cTSHandler))
bcostm	0:d83f1c8ca282	947	{
bcostm	0:d83f1c8ca282	948	I2C2_DeInit();
bcostm	0:d83f1c8ca282	949	}
bcostm	0:d83f1c8ca282	950	else
bcostm	0:d83f1c8ca282	951	{
bcostm	0:d83f1c8ca282	952	HAL_I2C_DeInit(i2c_handler);
bcostm	0:d83f1c8ca282	953	}
bcostm	0:d83f1c8ca282	954
bcostm	0:d83f1c8ca282	955	/* Re-Initialize the I2C communication bus */
bcostm	0:d83f1c8ca282	956	I2Cx_Init(i2c_handler);
bcostm	0:d83f1c8ca282	957	}
bcostm	0:d83f1c8ca282	958	#endif /HAL_I2C_MODULE_ENABLED/
bcostm	0:d83f1c8ca282	959
bcostm	0:d83f1c8ca282	960
bcostm	0:d83f1c8ca282	961	/*******************************************************************************
bcostm	0:d83f1c8ca282	962	LINK OPERATIONS
bcostm	0:d83f1c8ca282	963	*******************************************************************************/
bcostm	0:d83f1c8ca282	964
bcostm	0:d83f1c8ca282	965	#if defined(HAL_I2C_MODULE_ENABLED)
bcostm	0:d83f1c8ca282	966	/******************************* LINK MFX *********************************/
bcostm	0:d83f1c8ca282	967	/**
bcostm	0:d83f1c8ca282	968	* @brief Initializes MFX low level.
bcostm	0:d83f1c8ca282	969	* @retval None
bcostm	0:d83f1c8ca282	970	*/
bcostm	0:d83f1c8ca282	971	void MFX_IO_Init(void)
bcostm	0:d83f1c8ca282	972	{
bcostm	0:d83f1c8ca282	973	/* I2C2 init */
bcostm	0:d83f1c8ca282	974	I2C2_Init();
bcostm	0:d83f1c8ca282	975
bcostm	0:d83f1c8ca282	976	/* Wait for device ready */
bcostm	0:d83f1c8ca282	977	if (I2C2_isDeviceReady(IO1_I2C_ADDRESS, 4) != HAL_OK)
bcostm	0:d83f1c8ca282	978	{
bcostm	0:d83f1c8ca282	979	BSP_ErrorHandler();
bcostm	0:d83f1c8ca282	980	}
bcostm	0:d83f1c8ca282	981	}
bcostm	0:d83f1c8ca282	982	/**
bcostm	0:d83f1c8ca282	983	* @brief Deinitializes MFX low level.
bcostm	0:d83f1c8ca282	984	* @retval None
bcostm	0:d83f1c8ca282	985	*/
bcostm	0:d83f1c8ca282	986	void MFX_IO_DeInit(void)
bcostm	0:d83f1c8ca282	987	{
bcostm	0:d83f1c8ca282	988	GPIO_InitTypeDef GPIO_InitStruct;
bcostm	0:d83f1c8ca282	989
bcostm	0:d83f1c8ca282	990	/* Enable wakeup gpio clock */
bcostm	0:d83f1c8ca282	991	MFX_WAKEUP_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	992
bcostm	0:d83f1c8ca282	993	/* MFX wakeup pin configuration */
bcostm	0:d83f1c8ca282	994	GPIO_InitStruct.Pin = MFX_WAKEUP_PIN;
bcostm	0:d83f1c8ca282	995	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
bcostm	0:d83f1c8ca282	996	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
bcostm	0:d83f1c8ca282	997	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
bcostm	0:d83f1c8ca282	998	HAL_GPIO_Init(MFX_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	999
bcostm	0:d83f1c8ca282	1000	/* DeInit interrupt pin : disable IRQ before to avoid spurious interrupt */
bcostm	0:d83f1c8ca282	1001	HAL_NVIC_DisableIRQ((IRQn_Type)(MFX_INT_EXTI_IRQn));
bcostm	0:d83f1c8ca282	1002	MFX_INT_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1003	HAL_GPIO_DeInit(MFX_INT_GPIO_PORT, MFX_INT_PIN);
bcostm	0:d83f1c8ca282	1004
bcostm	0:d83f1c8ca282	1005	/* I2C2 Deinit */
bcostm	0:d83f1c8ca282	1006	I2C2_DeInit();
bcostm	0:d83f1c8ca282	1007	}
bcostm	0:d83f1c8ca282	1008
bcostm	0:d83f1c8ca282	1009	/**
bcostm	0:d83f1c8ca282	1010	* @brief Configures MFX low level interrupt.
bcostm	0:d83f1c8ca282	1011	* @retval None
bcostm	0:d83f1c8ca282	1012	*/
bcostm	0:d83f1c8ca282	1013	void MFX_IO_ITConfig(void)
bcostm	0:d83f1c8ca282	1014	{
bcostm	0:d83f1c8ca282	1015	GPIO_InitTypeDef GPIO_InitStruct;
bcostm	0:d83f1c8ca282	1016
bcostm	0:d83f1c8ca282	1017	/* Enable the GPIO clock */
bcostm	0:d83f1c8ca282	1018	MFX_INT_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1019
bcostm	0:d83f1c8ca282	1020	/* MFX_OUT_IRQ (normally used for EXTI_WKUP) */
bcostm	0:d83f1c8ca282	1021	GPIO_InitStruct.Pin = MFX_INT_PIN;
bcostm	0:d83f1c8ca282	1022	GPIO_InitStruct.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	1023	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
bcostm	0:d83f1c8ca282	1024	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
bcostm	0:d83f1c8ca282	1025	HAL_GPIO_Init(MFX_INT_GPIO_PORT, &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	1026
bcostm	0:d83f1c8ca282	1027	/* Enable and set GPIO EXTI Interrupt to the lowest priority */
bcostm	0:d83f1c8ca282	1028	HAL_NVIC_SetPriority((IRQn_Type)(MFX_INT_EXTI_IRQn), 0x0F, 0x0F);
bcostm	0:d83f1c8ca282	1029	HAL_NVIC_EnableIRQ((IRQn_Type)(MFX_INT_EXTI_IRQn));
bcostm	0:d83f1c8ca282	1030	}
bcostm	0:d83f1c8ca282	1031
bcostm	0:d83f1c8ca282	1032	/**
bcostm	0:d83f1c8ca282	1033	* @brief Configures MFX wke up pin.
bcostm	0:d83f1c8ca282	1034	* @retval None
bcostm	0:d83f1c8ca282	1035	*/
bcostm	0:d83f1c8ca282	1036	void MFX_IO_EnableWakeupPin(void)
bcostm	0:d83f1c8ca282	1037	{
bcostm	0:d83f1c8ca282	1038	GPIO_InitTypeDef GPIO_InitStruct;
bcostm	0:d83f1c8ca282	1039
bcostm	0:d83f1c8ca282	1040	/* Enable wakeup gpio clock */
bcostm	0:d83f1c8ca282	1041	MFX_WAKEUP_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1042
bcostm	0:d83f1c8ca282	1043	/* MFX wakeup pin configuration */
bcostm	0:d83f1c8ca282	1044	GPIO_InitStruct.Pin = MFX_WAKEUP_PIN;
bcostm	0:d83f1c8ca282	1045	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
bcostm	0:d83f1c8ca282	1046	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm	0:d83f1c8ca282	1047	GPIO_InitStruct.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	1048	HAL_GPIO_Init(MFX_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	1049	}
bcostm	0:d83f1c8ca282	1050
bcostm	0:d83f1c8ca282	1051	/**
bcostm	0:d83f1c8ca282	1052	* @brief Wakeup MFX.
bcostm	0:d83f1c8ca282	1053	* @retval None
bcostm	0:d83f1c8ca282	1054	*/
bcostm	0:d83f1c8ca282	1055	void MFX_IO_Wakeup(void)
bcostm	0:d83f1c8ca282	1056	{
bcostm	0:d83f1c8ca282	1057	/* Set Wakeup pin to high to wakeup Idd measurement component from standby mode */
bcostm	0:d83f1c8ca282	1058	HAL_GPIO_WritePin(MFX_WAKEUP_GPIO_PORT, MFX_WAKEUP_PIN, GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	1059
bcostm	0:d83f1c8ca282	1060	/* Wait */
bcostm	0:d83f1c8ca282	1061	HAL_Delay(1);
bcostm	0:d83f1c8ca282	1062
bcostm	0:d83f1c8ca282	1063	/* Set gpio pin basck to low */
bcostm	0:d83f1c8ca282	1064	HAL_GPIO_WritePin(MFX_WAKEUP_GPIO_PORT, MFX_WAKEUP_PIN, GPIO_PIN_RESET);
bcostm	0:d83f1c8ca282	1065	}
bcostm	0:d83f1c8ca282	1066
bcostm	0:d83f1c8ca282	1067	/**
bcostm	0:d83f1c8ca282	1068	* @brief MFX writes single data.
bcostm	0:d83f1c8ca282	1069	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1070	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1071	* @param Value: Data to be written
bcostm	0:d83f1c8ca282	1072	* @retval None
bcostm	0:d83f1c8ca282	1073	*/
bcostm	0:d83f1c8ca282	1074	void MFX_IO_Write(uint16_t Addr, uint8_t Reg, uint8_t Value)
bcostm	0:d83f1c8ca282	1075	{
bcostm	0:d83f1c8ca282	1076	I2C2_WriteData(Addr, Reg, I2C_MEMADD_SIZE_8BIT, Value);
bcostm	0:d83f1c8ca282	1077	}
bcostm	0:d83f1c8ca282	1078
bcostm	0:d83f1c8ca282	1079	/**
bcostm	0:d83f1c8ca282	1080	* @brief MFX reads single data.
bcostm	0:d83f1c8ca282	1081	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1082	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1083	* @retval Read data
bcostm	0:d83f1c8ca282	1084	*/
bcostm	0:d83f1c8ca282	1085	uint8_t MFX_IO_Read(uint16_t Addr, uint8_t Reg)
bcostm	0:d83f1c8ca282	1086	{
bcostm	0:d83f1c8ca282	1087	return I2C2_ReadData(Addr, Reg, I2C_MEMADD_SIZE_8BIT);
bcostm	0:d83f1c8ca282	1088	}
bcostm	0:d83f1c8ca282	1089
bcostm	0:d83f1c8ca282	1090	/**
bcostm	0:d83f1c8ca282	1091	* @brief MFX reads multiple data.
bcostm	0:d83f1c8ca282	1092	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1093	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1094	* @param Buffer: Pointer to data buffer
bcostm	0:d83f1c8ca282	1095	* @param Length: Length of the data
bcostm	0:d83f1c8ca282	1096	* @retval Number of read data
bcostm	0:d83f1c8ca282	1097	*/
bcostm	0:d83f1c8ca282	1098	uint16_t MFX_IO_ReadMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm	0:d83f1c8ca282	1099	{
bcostm	0:d83f1c8ca282	1100	return I2C2_ReadBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm	0:d83f1c8ca282	1101	}
bcostm	0:d83f1c8ca282	1102
bcostm	0:d83f1c8ca282	1103	/**
bcostm	0:d83f1c8ca282	1104	* @brief MFX writes multiple data.
bcostm	0:d83f1c8ca282	1105	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1106	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1107	* @param Buffer: Pointer to data buffer
bcostm	0:d83f1c8ca282	1108	* @param Length: Length of the data
bcostm	0:d83f1c8ca282	1109	* @retval None
bcostm	0:d83f1c8ca282	1110	*/
bcostm	0:d83f1c8ca282	1111	void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm	0:d83f1c8ca282	1112	{
bcostm	0:d83f1c8ca282	1113	I2C2_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm	0:d83f1c8ca282	1114	}
bcostm	0:d83f1c8ca282	1115
bcostm	0:d83f1c8ca282	1116	/**
bcostm	0:d83f1c8ca282	1117	* @brief MFX delay
bcostm	0:d83f1c8ca282	1118	* @param Delay: Delay in ms
bcostm	0:d83f1c8ca282	1119	* @retval None
bcostm	0:d83f1c8ca282	1120	*/
bcostm	0:d83f1c8ca282	1121	void MFX_IO_Delay(uint32_t Delay)
bcostm	0:d83f1c8ca282	1122	{
bcostm	0:d83f1c8ca282	1123	HAL_Delay(Delay);
bcostm	0:d83f1c8ca282	1124	}
bcostm	0:d83f1c8ca282	1125
bcostm	0:d83f1c8ca282	1126
bcostm	0:d83f1c8ca282	1127	/******************************* LINK AUDIO *******************************/
bcostm	0:d83f1c8ca282	1128	/**
bcostm	0:d83f1c8ca282	1129	* @brief Initializes Audio low level.
bcostm	0:d83f1c8ca282	1130	* @retval None
bcostm	0:d83f1c8ca282	1131	*/
bcostm	0:d83f1c8ca282	1132	void AUDIO_IO_Init(void)
bcostm	0:d83f1c8ca282	1133	{
bcostm	0:d83f1c8ca282	1134	GPIO_InitTypeDef GPIO_InitStruct;
bcostm	0:d83f1c8ca282	1135	uint8_t Value;
bcostm	0:d83f1c8ca282	1136
bcostm	0:d83f1c8ca282	1137	/* Enable Reset GPIO Clock */
bcostm	0:d83f1c8ca282	1138	AUDIO_RESET_GPIO_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1139
bcostm	0:d83f1c8ca282	1140	/* Audio reset pin configuration */
bcostm	0:d83f1c8ca282	1141	GPIO_InitStruct.Pin = AUDIO_RESET_PIN;
bcostm	0:d83f1c8ca282	1142	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
bcostm	0:d83f1c8ca282	1143	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm	0:d83f1c8ca282	1144	GPIO_InitStruct.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	1145	HAL_GPIO_Init(AUDIO_RESET_GPIO, &GPIO_InitStruct);
bcostm	0:d83f1c8ca282	1146
bcostm	0:d83f1c8ca282	1147	/* I2C bus init */
bcostm	0:d83f1c8ca282	1148	I2C2_Init();
bcostm	0:d83f1c8ca282	1149
bcostm	0:d83f1c8ca282	1150	/* Power off the codec */
bcostm	0:d83f1c8ca282	1151	CODEC_AUDIO_POWER_OFF();
bcostm	0:d83f1c8ca282	1152
bcostm	0:d83f1c8ca282	1153	/* wait until power supplies are stable */
bcostm	0:d83f1c8ca282	1154	HAL_Delay(10);
bcostm	0:d83f1c8ca282	1155
bcostm	0:d83f1c8ca282	1156	/* Power on the codec */
bcostm	0:d83f1c8ca282	1157	CODEC_AUDIO_POWER_ON();
bcostm	0:d83f1c8ca282	1158
bcostm	0:d83f1c8ca282	1159	/* Set the device in standby mode */
bcostm	0:d83f1c8ca282	1160	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x02);
bcostm	0:d83f1c8ca282	1161	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, (Value \| 0x01));
bcostm	0:d83f1c8ca282	1162
bcostm	0:d83f1c8ca282	1163	/* Set all power down bits to 1 */
bcostm	0:d83f1c8ca282	1164	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, 0x7F);
bcostm	0:d83f1c8ca282	1165	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x03);
bcostm	0:d83f1c8ca282	1166	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x03, (Value \| 0x0E));
bcostm	0:d83f1c8ca282	1167	}
bcostm	0:d83f1c8ca282	1168
bcostm	0:d83f1c8ca282	1169	/**
bcostm	0:d83f1c8ca282	1170	* @brief Deinitializes Audio low level.
bcostm	0:d83f1c8ca282	1171	* @retval None
bcostm	0:d83f1c8ca282	1172	*/
bcostm	0:d83f1c8ca282	1173	void AUDIO_IO_DeInit(void)
bcostm	0:d83f1c8ca282	1174	{
bcostm	0:d83f1c8ca282	1175	uint8_t Value;
bcostm	0:d83f1c8ca282	1176
bcostm	0:d83f1c8ca282	1177	/* Mute DAC and ADC */
bcostm	0:d83f1c8ca282	1178	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x08);
bcostm	0:d83f1c8ca282	1179	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x08, (Value \| 0x03));
bcostm	0:d83f1c8ca282	1180	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x07);
bcostm	0:d83f1c8ca282	1181	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x07, (Value \| 0x03));
bcostm	0:d83f1c8ca282	1182
bcostm	0:d83f1c8ca282	1183	/* Disable soft ramp and zero cross */
bcostm	0:d83f1c8ca282	1184	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x06);
bcostm	0:d83f1c8ca282	1185	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x06, (Value & 0xF0));
bcostm	0:d83f1c8ca282	1186
bcostm	0:d83f1c8ca282	1187	/* Set PDN to 1 */
bcostm	0:d83f1c8ca282	1188	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x02);
bcostm	0:d83f1c8ca282	1189	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, (Value \| 0x01));
bcostm	0:d83f1c8ca282	1190
bcostm	0:d83f1c8ca282	1191	/* Set all power down bits to 1 */
bcostm	0:d83f1c8ca282	1192	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, 0x7F);
bcostm	0:d83f1c8ca282	1193	Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x03);
bcostm	0:d83f1c8ca282	1194	AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x03, (Value \| 0x0E));
bcostm	0:d83f1c8ca282	1195
bcostm	0:d83f1c8ca282	1196	/* Power off the codec */
bcostm	0:d83f1c8ca282	1197	CODEC_AUDIO_POWER_OFF();
bcostm	0:d83f1c8ca282	1198
bcostm	0:d83f1c8ca282	1199	}
bcostm	0:d83f1c8ca282	1200
bcostm	0:d83f1c8ca282	1201	/**
bcostm	0:d83f1c8ca282	1202	* @brief Writes a single data.
bcostm	0:d83f1c8ca282	1203	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1204	* @param Reg: Reg address
bcostm	0:d83f1c8ca282	1205	* @param Value: Data to be written
bcostm	0:d83f1c8ca282	1206	* @retval None
bcostm	0:d83f1c8ca282	1207	*/
bcostm	0:d83f1c8ca282	1208	void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
bcostm	0:d83f1c8ca282	1209	{
bcostm	0:d83f1c8ca282	1210	I2C2_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1);
bcostm	0:d83f1c8ca282	1211	}
bcostm	0:d83f1c8ca282	1212
bcostm	0:d83f1c8ca282	1213	/**
bcostm	0:d83f1c8ca282	1214	* @brief Reads a single data.
bcostm	0:d83f1c8ca282	1215	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1216	* @param Reg: Reg address
bcostm	0:d83f1c8ca282	1217	* @retval Data to be read
bcostm	0:d83f1c8ca282	1218	*/
bcostm	0:d83f1c8ca282	1219	uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg)
bcostm	0:d83f1c8ca282	1220	{
bcostm	0:d83f1c8ca282	1221	uint8_t Read_Value = 0;
bcostm	0:d83f1c8ca282	1222
bcostm	0:d83f1c8ca282	1223	I2C2_ReadBuffer((uint16_t) Addr, (uint16_t) Reg, I2C_MEMADD_SIZE_8BIT, &Read_Value, 1);
bcostm	0:d83f1c8ca282	1224
bcostm	0:d83f1c8ca282	1225	return Read_Value;
bcostm	0:d83f1c8ca282	1226	}
bcostm	0:d83f1c8ca282	1227
bcostm	0:d83f1c8ca282	1228	/**
bcostm	0:d83f1c8ca282	1229	* @brief AUDIO Codec delay
bcostm	0:d83f1c8ca282	1230	* @param Delay: Delay in ms
bcostm	0:d83f1c8ca282	1231	* @retval None
bcostm	0:d83f1c8ca282	1232	*/
bcostm	0:d83f1c8ca282	1233	void AUDIO_IO_Delay(uint32_t Delay)
bcostm	0:d83f1c8ca282	1234	{
bcostm	0:d83f1c8ca282	1235	HAL_Delay(Delay);
bcostm	0:d83f1c8ca282	1236	}
bcostm	0:d83f1c8ca282	1237
bcostm	0:d83f1c8ca282	1238
bcostm	0:d83f1c8ca282	1239
bcostm	0:d83f1c8ca282	1240
bcostm	0:d83f1c8ca282	1241	/************************* FMC Routines **********************************/
bcostm	0:d83f1c8ca282	1242	/**
bcostm	0:d83f1c8ca282	1243	* @brief Initializes FMC_BANK1_LCD_IO MSP.
bcostm	0:d83f1c8ca282	1244	* @param None
bcostm	0:d83f1c8ca282	1245	* @retval None
bcostm	0:d83f1c8ca282	1246	*/
bcostm	0:d83f1c8ca282	1247	void FMC_BANK1_MspInit(void)
bcostm	0:d83f1c8ca282	1248	{
bcostm	0:d83f1c8ca282	1249
bcostm	0:d83f1c8ca282	1250	GPIO_InitTypeDef GPIO_Init_Structure;
bcostm	0:d83f1c8ca282	1251
bcostm	0:d83f1c8ca282	1252	/* Enable FMC clock */
bcostm	0:d83f1c8ca282	1253	__HAL_RCC_FMC_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1254
bcostm	0:d83f1c8ca282	1255	/* Enable GPIOs clock */
bcostm	0:d83f1c8ca282	1256	__HAL_RCC_GPIOD_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1257	__HAL_RCC_GPIOE_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1258	__HAL_RCC_GPIOF_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1259	__HAL_RCC_GPIOG_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1260	__HAL_RCC_PWR_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1261	HAL_PWREx_EnableVddIO2();
bcostm	0:d83f1c8ca282	1262
bcostm	0:d83f1c8ca282	1263	/* Set PD11 */
bcostm	0:d83f1c8ca282	1264	GPIO_Init_Structure.Pin = GPIO_PIN_11;
bcostm	0:d83f1c8ca282	1265	GPIO_Init_Structure.Mode = GPIO_MODE_OUTPUT_PP;
bcostm	0:d83f1c8ca282	1266	GPIO_Init_Structure.Pull = GPIO_NOPULL;
bcostm	0:d83f1c8ca282	1267	GPIO_Init_Structure.Speed = GPIO_SPEED_FREQ_LOW;
bcostm	0:d83f1c8ca282	1268	GPIO_Init_Structure.Alternate = 0;
bcostm	0:d83f1c8ca282	1269
bcostm	0:d83f1c8ca282	1270	HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
bcostm	0:d83f1c8ca282	1271
bcostm	0:d83f1c8ca282	1272
bcostm	0:d83f1c8ca282	1273	GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
bcostm	0:d83f1c8ca282	1274	GPIO_Init_Structure.Pull = GPIO_PULLUP;
bcostm	0:d83f1c8ca282	1275	GPIO_Init_Structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
bcostm	0:d83f1c8ca282	1276	GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;
bcostm	0:d83f1c8ca282	1277	/* GPIOD configuration / / GPIO_PIN_7 is FMC_NE1 */
bcostm	0:d83f1c8ca282	1278	GPIO_Init_Structure.Pin = GPIO_PIN_0 \| GPIO_PIN_1 \| GPIO_PIN_4 \| GPIO_PIN_5 \| GPIO_PIN_8 \| \
bcostm	0:d83f1c8ca282	1279	GPIO_PIN_9 \| GPIO_PIN_10 \| GPIO_PIN_14 \| GPIO_PIN_15 \| GPIO_PIN_7;
bcostm	0:d83f1c8ca282	1280
bcostm	0:d83f1c8ca282	1281	HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
bcostm	0:d83f1c8ca282	1282
bcostm	0:d83f1c8ca282	1283
bcostm	0:d83f1c8ca282	1284
bcostm	0:d83f1c8ca282	1285
bcostm	0:d83f1c8ca282	1286	/* GPIOE configuration */
bcostm	0:d83f1c8ca282	1287	GPIO_Init_Structure.Pin = GPIO_PIN_7 \| \
bcostm	0:d83f1c8ca282	1288	GPIO_PIN_8 \| GPIO_PIN_9 \| GPIO_PIN_10 \| GPIO_PIN_11 \| GPIO_PIN_12 \| \
bcostm	0:d83f1c8ca282	1289	GPIO_PIN_13 \| GPIO_PIN_14 \| GPIO_PIN_15;
bcostm	0:d83f1c8ca282	1290	HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
bcostm	0:d83f1c8ca282	1291
bcostm	0:d83f1c8ca282	1292	/* GPIOF configuration */
bcostm	0:d83f1c8ca282	1293	GPIO_Init_Structure.Pin = GPIO_PIN_13 ;
bcostm	0:d83f1c8ca282	1294	HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
bcostm	0:d83f1c8ca282	1295
bcostm	0:d83f1c8ca282	1296	GPIO_Init_Structure.Pin = GPIO_PIN_0;
bcostm	0:d83f1c8ca282	1297	HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure);
bcostm	0:d83f1c8ca282	1298	}
bcostm	0:d83f1c8ca282	1299
bcostm	0:d83f1c8ca282	1300
bcostm	0:d83f1c8ca282	1301	/**
bcostm	0:d83f1c8ca282	1302	* @brief Initializes LCD IO.
bcostm	0:d83f1c8ca282	1303	* @param None
bcostm	0:d83f1c8ca282	1304	* @retval None
bcostm	0:d83f1c8ca282	1305	*/
bcostm	0:d83f1c8ca282	1306	void FMC_BANK1_Init(void)
bcostm	0:d83f1c8ca282	1307	{
bcostm	0:d83f1c8ca282	1308	SRAM_HandleTypeDef hsram;
bcostm	0:d83f1c8ca282	1309	FMC_NORSRAM_TimingTypeDef sram_timing;
bcostm	0:d83f1c8ca282	1310	FMC_NORSRAM_TimingTypeDef sram_timing_write;
bcostm	0:d83f1c8ca282	1311
bcostm	0:d83f1c8ca282	1312	/* Configure the SRAM Bank 1 */
bcostm	0:d83f1c8ca282	1313	/* Configure IPs */
bcostm	0:d83f1c8ca282	1314	hsram.Instance = FMC_NORSRAM_DEVICE;
bcostm	0:d83f1c8ca282	1315	hsram.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
bcostm	0:d83f1c8ca282	1316
bcostm	0:d83f1c8ca282	1317
bcostm	0:d83f1c8ca282	1318	/* Timing for READING */
bcostm	0:d83f1c8ca282	1319
bcostm	0:d83f1c8ca282	1320	sram_timing.AddressSetupTime = 1;
bcostm	0:d83f1c8ca282	1321	sram_timing.AddressHoldTime = 1;
bcostm	0:d83f1c8ca282	1322	sram_timing.DataSetupTime = 1;
bcostm	0:d83f1c8ca282	1323	sram_timing.BusTurnAroundDuration = 0;
bcostm	0:d83f1c8ca282	1324	sram_timing.CLKDivision = 2;
bcostm	0:d83f1c8ca282	1325	sram_timing.DataLatency = 2;
bcostm	0:d83f1c8ca282	1326	sram_timing.AccessMode = FMC_ACCESS_MODE_A;
bcostm	0:d83f1c8ca282	1327	/* Timing for WRITING */
bcostm	0:d83f1c8ca282	1328	sram_timing_write.AddressSetupTime = 5;
bcostm	0:d83f1c8ca282	1329	sram_timing_write.AddressHoldTime = 1;
bcostm	0:d83f1c8ca282	1330	sram_timing_write.DataSetupTime = 3;
bcostm	0:d83f1c8ca282	1331	sram_timing_write.BusTurnAroundDuration = 2;
bcostm	0:d83f1c8ca282	1332	sram_timing_write.CLKDivision = 2;
bcostm	0:d83f1c8ca282	1333	sram_timing_write.DataLatency = 2;
bcostm	0:d83f1c8ca282	1334	sram_timing_write.AccessMode = FMC_ACCESS_MODE_A;
bcostm	0:d83f1c8ca282	1335
bcostm	0:d83f1c8ca282	1336
bcostm	0:d83f1c8ca282	1337	hsram.Init.NSBank = FMC_NORSRAM_BANK1;
bcostm	0:d83f1c8ca282	1338	hsram.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
bcostm	0:d83f1c8ca282	1339	hsram.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
bcostm	0:d83f1c8ca282	1340	hsram.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
bcostm	0:d83f1c8ca282	1341	hsram.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
bcostm	0:d83f1c8ca282	1342	hsram.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
bcostm	0:d83f1c8ca282	1343	hsram.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
bcostm	0:d83f1c8ca282	1344	hsram.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
bcostm	0:d83f1c8ca282	1345	hsram.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
bcostm	0:d83f1c8ca282	1346	hsram.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
bcostm	0:d83f1c8ca282	1347	hsram.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
bcostm	0:d83f1c8ca282	1348	hsram.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
bcostm	0:d83f1c8ca282	1349	hsram.Init.PageSize = FMC_PAGE_SIZE_NONE;
bcostm	0:d83f1c8ca282	1350	hsram.Init.WriteFifo = FMC_WRITE_FIFO_DISABLE;
bcostm	0:d83f1c8ca282	1351	hsram.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
bcostm	0:d83f1c8ca282	1352	/* Initialize the SRAM controller */
bcostm	0:d83f1c8ca282	1353	FMC_BANK1_MspInit();
bcostm	0:d83f1c8ca282	1354	HAL_SRAM_Init(&hsram, &sram_timing, &sram_timing_write);
bcostm	0:d83f1c8ca282	1355
bcostm	0:d83f1c8ca282	1356	}
bcostm	0:d83f1c8ca282	1357
bcostm	0:d83f1c8ca282	1358
bcostm	0:d83f1c8ca282	1359	/**
bcostm	0:d83f1c8ca282	1360	* @brief DeInitializes FMC_BANK1_LCD_IO MSP.
bcostm	0:d83f1c8ca282	1361	* @param None
bcostm	0:d83f1c8ca282	1362	* @retval None
bcostm	0:d83f1c8ca282	1363	*/
bcostm	0:d83f1c8ca282	1364	void FMC_BANK1_MspDeInit(void)
bcostm	0:d83f1c8ca282	1365	{
bcostm	0:d83f1c8ca282	1366
bcostm	0:d83f1c8ca282	1367	/* Enable FMC clock */
bcostm	0:d83f1c8ca282	1368	__HAL_RCC_FMC_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1369
bcostm	0:d83f1c8ca282	1370	/* Enable GPIOs clock */
bcostm	0:d83f1c8ca282	1371	__HAL_RCC_GPIOD_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1372	__HAL_RCC_GPIOE_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1373	__HAL_RCC_GPIOF_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1374	__HAL_RCC_GPIOG_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1375	__HAL_RCC_PWR_CLK_ENABLE();
bcostm	0:d83f1c8ca282	1376
bcostm	0:d83f1c8ca282	1377
bcostm	0:d83f1c8ca282	1378	HAL_GPIO_DeInit(GPIOD, GPIO_PIN_0 \| GPIO_PIN_1 \| GPIO_PIN_4 \| GPIO_PIN_5 \| GPIO_PIN_8 \| \
bcostm	0:d83f1c8ca282	1379	GPIO_PIN_9 \| GPIO_PIN_10 \| GPIO_PIN_14 \| GPIO_PIN_15 \| GPIO_PIN_7 \| GPIO_PIN_11 \| GPIO_PIN_13);
bcostm	0:d83f1c8ca282	1380
bcostm	0:d83f1c8ca282	1381
bcostm	0:d83f1c8ca282	1382
bcostm	0:d83f1c8ca282	1383	HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7 \| \
bcostm	0:d83f1c8ca282	1384	GPIO_PIN_8 \| GPIO_PIN_9 \| GPIO_PIN_10 \| GPIO_PIN_11 \| GPIO_PIN_12 \| \
bcostm	0:d83f1c8ca282	1385	GPIO_PIN_13 \| GPIO_PIN_14 \| GPIO_PIN_15);
bcostm	0:d83f1c8ca282	1386
bcostm	0:d83f1c8ca282	1387	HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0);
bcostm	0:d83f1c8ca282	1388
bcostm	0:d83f1c8ca282	1389
bcostm	0:d83f1c8ca282	1390	}
bcostm	0:d83f1c8ca282	1391
bcostm	0:d83f1c8ca282	1392
bcostm	0:d83f1c8ca282	1393	/**
bcostm	0:d83f1c8ca282	1394	* @brief Writes register value.
bcostm	0:d83f1c8ca282	1395	* @param Data: Data to be written
bcostm	0:d83f1c8ca282	1396	* @retval None
bcostm	0:d83f1c8ca282	1397	*/
bcostm	0:d83f1c8ca282	1398	static void FMC_BANK1_WriteData(uint16_t Data)
bcostm	0:d83f1c8ca282	1399	{
bcostm	0:d83f1c8ca282	1400	/* Write 16-bit Reg */
bcostm	0:d83f1c8ca282	1401	LCD_ADDR->REG = Data;
bcostm	0:d83f1c8ca282	1402	}
bcostm	0:d83f1c8ca282	1403
bcostm	0:d83f1c8ca282	1404	/**
bcostm	0:d83f1c8ca282	1405	* @brief Writes register address.
bcostm	0:d83f1c8ca282	1406	* @param Reg: Register to be written
bcostm	0:d83f1c8ca282	1407	* @retval None
bcostm	0:d83f1c8ca282	1408	*/
bcostm	0:d83f1c8ca282	1409	static void FMC_BANK1_WriteReg(uint8_t Reg)
bcostm	0:d83f1c8ca282	1410	{
bcostm	0:d83f1c8ca282	1411	/* Write 16-bit Index, then write register */
bcostm	0:d83f1c8ca282	1412	FMC_BANK1_ADDR->REG = Reg;
bcostm	0:d83f1c8ca282	1413	}
bcostm	0:d83f1c8ca282	1414
bcostm	0:d83f1c8ca282	1415	/**
bcostm	0:d83f1c8ca282	1416	* @brief Reads register value.
bcostm	0:d83f1c8ca282	1417	* @param None
bcostm	0:d83f1c8ca282	1418	* @retval Read value
bcostm	0:d83f1c8ca282	1419	*/
bcostm	0:d83f1c8ca282	1420	static uint16_t FMC_BANK1_ReadData(void)
bcostm	0:d83f1c8ca282	1421	{
bcostm	0:d83f1c8ca282	1422	return LCD_ADDR->REG;
bcostm	0:d83f1c8ca282	1423	}
bcostm	0:d83f1c8ca282	1424
bcostm	0:d83f1c8ca282	1425	/*******************************************************************************
bcostm	0:d83f1c8ca282	1426	LINK OPERATIONS
bcostm	0:d83f1c8ca282	1427	*******************************************************************************/
bcostm	0:d83f1c8ca282	1428
bcostm	0:d83f1c8ca282	1429	/******************************* LINK LCD *********************************/
bcostm	0:d83f1c8ca282	1430
bcostm	0:d83f1c8ca282	1431	/**
bcostm	0:d83f1c8ca282	1432	* @brief Initializes LCD low level.
bcostm	0:d83f1c8ca282	1433	* @param None
bcostm	0:d83f1c8ca282	1434	* @retval None
bcostm	0:d83f1c8ca282	1435	*/
bcostm	0:d83f1c8ca282	1436	void LCD_IO_Init(void)
bcostm	0:d83f1c8ca282	1437	{
bcostm	0:d83f1c8ca282	1438	FMC_BANK1_Init();
bcostm	0:d83f1c8ca282	1439	}
bcostm	0:d83f1c8ca282	1440
bcostm	0:d83f1c8ca282	1441	/**
bcostm	0:d83f1c8ca282	1442	* @brief Writes data on LCD data register.
bcostm	0:d83f1c8ca282	1443	* @param Data: Data to be written
bcostm	0:d83f1c8ca282	1444	* @retval None
bcostm	0:d83f1c8ca282	1445	*/
bcostm	0:d83f1c8ca282	1446	void LCD_IO_WriteData(uint16_t RegValue)
bcostm	0:d83f1c8ca282	1447	{
bcostm	0:d83f1c8ca282	1448	/* Write 16-bit Reg */
bcostm	0:d83f1c8ca282	1449	FMC_BANK1_WriteData(RegValue);
bcostm	0:d83f1c8ca282	1450	}
bcostm	0:d83f1c8ca282	1451
bcostm	0:d83f1c8ca282	1452	/**
bcostm	0:d83f1c8ca282	1453	* @brief Writes several data on LCD data register.
bcostm	0:d83f1c8ca282	1454	* @param Data: pointer on data to be written
bcostm	0:d83f1c8ca282	1455	* @param Size: data amount in 16bits short unit
bcostm	0:d83f1c8ca282	1456	* @retval None
bcostm	0:d83f1c8ca282	1457	*/
bcostm	0:d83f1c8ca282	1458	void LCD_IO_WriteMultipleData(uint16_t *pData, uint32_t Size)
bcostm	0:d83f1c8ca282	1459	{
bcostm	0:d83f1c8ca282	1460	uint32_t i;
bcostm	0:d83f1c8ca282	1461
bcostm	0:d83f1c8ca282	1462	for (i = 0; i < Size; i++)
bcostm	0:d83f1c8ca282	1463	{
bcostm	0:d83f1c8ca282	1464	FMC_BANK1_WriteData(pData[i]);
bcostm	0:d83f1c8ca282	1465	}
bcostm	0:d83f1c8ca282	1466	}
bcostm	0:d83f1c8ca282	1467
bcostm	0:d83f1c8ca282	1468	/**
bcostm	0:d83f1c8ca282	1469	* @brief Writes register on LCD register.
bcostm	0:d83f1c8ca282	1470	* @param Reg: Register to be written
bcostm	0:d83f1c8ca282	1471	* @retval None
bcostm	0:d83f1c8ca282	1472	*/
bcostm	0:d83f1c8ca282	1473	void LCD_IO_WriteReg(uint8_t Reg)
bcostm	0:d83f1c8ca282	1474	{
bcostm	0:d83f1c8ca282	1475	/* Write 16-bit Index, then Write Reg */
bcostm	0:d83f1c8ca282	1476	FMC_BANK1_WriteReg(Reg);
bcostm	0:d83f1c8ca282	1477	}
bcostm	0:d83f1c8ca282	1478
bcostm	0:d83f1c8ca282	1479	/**
bcostm	0:d83f1c8ca282	1480	* @brief Reads data from LCD data register.
bcostm	0:d83f1c8ca282	1481	* @param None
bcostm	0:d83f1c8ca282	1482	* @retval Read data.
bcostm	0:d83f1c8ca282	1483	*/
bcostm	0:d83f1c8ca282	1484	uint16_t LCD_IO_ReadData(void)
bcostm	0:d83f1c8ca282	1485	{
bcostm	0:d83f1c8ca282	1486	return FMC_BANK1_ReadData();
bcostm	0:d83f1c8ca282	1487	}
bcostm	0:d83f1c8ca282	1488
bcostm	0:d83f1c8ca282	1489	/**
bcostm	0:d83f1c8ca282	1490	* @brief LCD delay
bcostm	0:d83f1c8ca282	1491	* @param Delay: Delay in ms
bcostm	0:d83f1c8ca282	1492	* @retval None
bcostm	0:d83f1c8ca282	1493	*/
bcostm	0:d83f1c8ca282	1494	void LCD_IO_Delay(uint32_t Delay)
bcostm	0:d83f1c8ca282	1495	{
bcostm	0:d83f1c8ca282	1496	HAL_Delay(Delay);
bcostm	0:d83f1c8ca282	1497	}
bcostm	0:d83f1c8ca282	1498
bcostm	0:d83f1c8ca282	1499
bcostm	0:d83f1c8ca282	1500	/************************ LINK TS (TouchScreen) ***************************/
bcostm	0:d83f1c8ca282	1501	/**
bcostm	0:d83f1c8ca282	1502	* @brief Initializes Touchscreen low level.
bcostm	0:d83f1c8ca282	1503	* @retval None
bcostm	0:d83f1c8ca282	1504	*/
bcostm	0:d83f1c8ca282	1505	void TS_IO_Init(void)
bcostm	0:d83f1c8ca282	1506	{
bcostm	0:d83f1c8ca282	1507	I2Cx_Init(&hI2cTSHandler);
bcostm	0:d83f1c8ca282	1508
bcostm	0:d83f1c8ca282	1509	if (ts_io_init == 0)
bcostm	0:d83f1c8ca282	1510	{
bcostm	0:d83f1c8ca282	1511	if (BSP_LCD_Init() == LCD_ERROR)
bcostm	0:d83f1c8ca282	1512	{
bcostm	0:d83f1c8ca282	1513	BSP_ErrorHandler();
bcostm	0:d83f1c8ca282	1514	}
bcostm	0:d83f1c8ca282	1515
bcostm	0:d83f1c8ca282	1516	BSP_IO_ConfigPin(TS_RST_PIN, IO_MODE_OUTPUT);
bcostm	0:d83f1c8ca282	1517
bcostm	0:d83f1c8ca282	1518	BSP_IO_WritePin(TS_RST_PIN, GPIO_PIN_RESET);
bcostm	0:d83f1c8ca282	1519	HAL_Delay(10);
bcostm	0:d83f1c8ca282	1520	BSP_IO_WritePin(TS_RST_PIN, GPIO_PIN_SET);
bcostm	0:d83f1c8ca282	1521	HAL_Delay(200);
bcostm	0:d83f1c8ca282	1522
bcostm	0:d83f1c8ca282	1523	ts_io_init = 1;
bcostm	0:d83f1c8ca282	1524	}
bcostm	0:d83f1c8ca282	1525	}
bcostm	0:d83f1c8ca282	1526
bcostm	0:d83f1c8ca282	1527	/**
bcostm	0:d83f1c8ca282	1528	* @brief Writes a single data.
bcostm	0:d83f1c8ca282	1529	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1530	* @param Reg: Reg address
bcostm	0:d83f1c8ca282	1531	* @param Value: Data to be written
bcostm	0:d83f1c8ca282	1532	* @retval None
bcostm	0:d83f1c8ca282	1533	*/
bcostm	0:d83f1c8ca282	1534	void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
bcostm	0:d83f1c8ca282	1535	{
bcostm	0:d83f1c8ca282	1536	I2Cx_WriteMultiple(&hI2cTSHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t *)&Value, 1);
bcostm	0:d83f1c8ca282	1537	}
bcostm	0:d83f1c8ca282	1538
bcostm	0:d83f1c8ca282	1539	/**
bcostm	0:d83f1c8ca282	1540	* @brief Reads a single data.
bcostm	0:d83f1c8ca282	1541	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1542	* @param Reg: Reg address
bcostm	0:d83f1c8ca282	1543	* @retval Data to be read
bcostm	0:d83f1c8ca282	1544	*/
bcostm	0:d83f1c8ca282	1545	uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg)
bcostm	0:d83f1c8ca282	1546	{
bcostm	0:d83f1c8ca282	1547	return I2C2_ReadData(Addr, Reg, I2C_MEMADD_SIZE_8BIT);
bcostm	0:d83f1c8ca282	1548	}
bcostm	0:d83f1c8ca282	1549
bcostm	0:d83f1c8ca282	1550	/**
bcostm	0:d83f1c8ca282	1551	* @brief Reads multiple data with I2C communication
bcostm	0:d83f1c8ca282	1552	* channel from TouchScreen.
bcostm	0:d83f1c8ca282	1553	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1554	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1555	* @param Buffer: Pointer to data buffer
bcostm	0:d83f1c8ca282	1556	* @param Length: Length of the data
bcostm	0:d83f1c8ca282	1557	* @retval Number of read data
bcostm	0:d83f1c8ca282	1558	*/
bcostm	0:d83f1c8ca282	1559	uint16_t TS_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm	0:d83f1c8ca282	1560	{
bcostm	0:d83f1c8ca282	1561	return I2Cx_ReadMultiple(&hI2cTSHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm	0:d83f1c8ca282	1562	}
bcostm	0:d83f1c8ca282	1563
bcostm	0:d83f1c8ca282	1564	/**
bcostm	0:d83f1c8ca282	1565	* @brief Writes multiple data with I2C communication
bcostm	0:d83f1c8ca282	1566	* channel from MCU to TouchScreen.
bcostm	0:d83f1c8ca282	1567	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1568	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1569	* @param Buffer: Pointer to data buffer
bcostm	0:d83f1c8ca282	1570	* @param Length: Length of the data
bcostm	0:d83f1c8ca282	1571	* @retval None
bcostm	0:d83f1c8ca282	1572	*/
bcostm	0:d83f1c8ca282	1573	void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm	0:d83f1c8ca282	1574	{
bcostm	0:d83f1c8ca282	1575	I2Cx_WriteMultiple(&hI2cTSHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm	0:d83f1c8ca282	1576	}
bcostm	0:d83f1c8ca282	1577
bcostm	0:d83f1c8ca282	1578	/**
bcostm	0:d83f1c8ca282	1579	* @brief Delay function used in TouchScreen low level driver.
bcostm	0:d83f1c8ca282	1580	* @param Delay: Delay in ms
bcostm	0:d83f1c8ca282	1581	* @retval None
bcostm	0:d83f1c8ca282	1582	*/
bcostm	0:d83f1c8ca282	1583	void TS_IO_Delay(uint32_t Delay)
bcostm	0:d83f1c8ca282	1584	{
bcostm	0:d83f1c8ca282	1585	HAL_Delay(Delay);
bcostm	0:d83f1c8ca282	1586	}
bcostm	0:d83f1c8ca282	1587
bcostm	0:d83f1c8ca282	1588
bcostm	0:d83f1c8ca282	1589	/************************ Camera ***************************/
bcostm	0:d83f1c8ca282	1590	/**
bcostm	0:d83f1c8ca282	1591	* @brief Initializes Camera low level.
bcostm	0:d83f1c8ca282	1592	* @retval None
bcostm	0:d83f1c8ca282	1593	*/
bcostm	0:d83f1c8ca282	1594	void CAMERA_IO_Init(void)
bcostm	0:d83f1c8ca282	1595	{
bcostm	0:d83f1c8ca282	1596	I2Cx_Init(&hI2cCameraHandler);
bcostm	0:d83f1c8ca282	1597	}
bcostm	0:d83f1c8ca282	1598
bcostm	0:d83f1c8ca282	1599	/**
bcostm	0:d83f1c8ca282	1600	* @brief Camera writes single data.
bcostm	0:d83f1c8ca282	1601	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1602	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1603	* @param Value: Data to be written
bcostm	0:d83f1c8ca282	1604	* @retval None
bcostm	0:d83f1c8ca282	1605	*/
bcostm	0:d83f1c8ca282	1606	void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
bcostm	0:d83f1c8ca282	1607	{
bcostm	0:d83f1c8ca282	1608	I2Cx_WriteMultiple(&hI2cCameraHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t *)&Value, 1);
bcostm	0:d83f1c8ca282	1609	}
bcostm	0:d83f1c8ca282	1610
bcostm	0:d83f1c8ca282	1611	/**
bcostm	0:d83f1c8ca282	1612	* @brief Camera reads single data.
bcostm	0:d83f1c8ca282	1613	* @param Addr: I2C address
bcostm	0:d83f1c8ca282	1614	* @param Reg: Register address
bcostm	0:d83f1c8ca282	1615	* @retval Read data
bcostm	0:d83f1c8ca282	1616	*/
bcostm	0:d83f1c8ca282	1617	uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg)
bcostm	0:d83f1c8ca282	1618	{
bcostm	0:d83f1c8ca282	1619	uint8_t read_value = 0;
bcostm	0:d83f1c8ca282	1620
bcostm	0:d83f1c8ca282	1621	I2Cx_ReadMultiple(&hI2cCameraHandler, Addr, Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t *)&read_value, 1);
bcostm	0:d83f1c8ca282	1622
bcostm	0:d83f1c8ca282	1623	return read_value;
bcostm	0:d83f1c8ca282	1624	}
bcostm	0:d83f1c8ca282	1625
bcostm	0:d83f1c8ca282	1626	/**
bcostm	0:d83f1c8ca282	1627	* @brief Camera delay
bcostm	0:d83f1c8ca282	1628	* @param Delay: Delay in ms
bcostm	0:d83f1c8ca282	1629	* @retval None
bcostm	0:d83f1c8ca282	1630	*/
bcostm	0:d83f1c8ca282	1631	void CAMERA_Delay(uint32_t Delay)
bcostm	0:d83f1c8ca282	1632	{
bcostm	0:d83f1c8ca282	1633	HAL_Delay(Delay);
bcostm	0:d83f1c8ca282	1634	}
bcostm	0:d83f1c8ca282	1635
bcostm	0:d83f1c8ca282	1636	#endif /* HAL_I2C_MODULE_ENABLED */
bcostm	0:d83f1c8ca282	1637
bcostm	0:d83f1c8ca282	1638
bcostm	0:d83f1c8ca282	1639	__weak uint8_t BSP_LCD_Init(void)
bcostm	0:d83f1c8ca282	1640	{
bcostm	0:d83f1c8ca282	1641	uint8_t ret = 0;
bcostm	0:d83f1c8ca282	1642	return ret;
bcostm	0:d83f1c8ca282	1643	}
bcostm	0:d83f1c8ca282	1644
bcostm	0:d83f1c8ca282	1645	/**
bcostm	0:d83f1c8ca282	1646	* @}
bcostm	0:d83f1c8ca282	1647	*/
bcostm	0:d83f1c8ca282	1648
bcostm	0:d83f1c8ca282	1649	/**
bcostm	0:d83f1c8ca282	1650	* @}
bcostm	0:d83f1c8ca282	1651	*/
bcostm	0:d83f1c8ca282	1652
bcostm	0:d83f1c8ca282	1653	/**
bcostm	0:d83f1c8ca282	1654	* @}
bcostm	0:d83f1c8ca282	1655	*/
bcostm	0:d83f1c8ca282	1656
bcostm	0:d83f1c8ca282	1657	/**
bcostm	0:d83f1c8ca282	1658	* @}
bcostm	0:d83f1c8ca282	1659	*/
bcostm	0:d83f1c8ca282	1660
bcostm	0:d83f1c8ca282	1661	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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Type:	Library
Created:	26 Mar 2018
Imports:	19
Forks:	0
Commits:	3
Dependents:	4
Dependencies:	0
Followers:	402

Drivers/BSP/STM32L496G-Discovery/stm32l496g_discovery.c@2:106c7b82e064, 2019-11-20 (annotated)

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