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1、删除AD7924目录文件

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2、删除SDCard目录文件
3、删除SHT20目录文件
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YuanHongbin
2026-05-15 13:46:05 +08:00
parent 9bb3309b30
commit cdc0c59a3f
9 changed files with 0 additions and 7357 deletions
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Project/GateWay/source/Module/AD7924/ad7924.c
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#include "bps.h"
Project/GateWay/source/Module/SDCard/sd_card.c
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Project/GateWay/source/Module/SDCard/sd_card.h
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/*******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC under BSD 3-Clause license
* (the "License"); You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*/
/******************************************************************************/
/** \file sd_card.h
**
** A detailed description is available at
** @link SdiocGroup SDIOC description @endlink
**
** - 2018-11-15 CDT First version for Device Driver Library of SDIOC.
**
******************************************************************************/
#ifndef __SD_CARD_H__
#define __SD_CARD_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include "sdmmc_cmd.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/**
*******************************************************************************
** \defgroup SdiocGroup Secure Digital Input and Output Controller(SDIOC)
**
******************************************************************************/
//@{
/*******************************************************************************
* Global type definitions ('typedef')
******************************************************************************/
/**
*******************************************************************************
** \brief SD Card version definition
**
******************************************************************************/
/**
* @brief SD Card State enumeration structure definition
*/
typedef enum {
SD_CARD_STAT_IDLE = 0x00U, /*!< Card state is idle */
SD_CARD_STAT_RDY = 0x01U, /*!< Card state is ready */
SD_CARD_STAT_IDENTIFY = 0x02U, /*!< Card is in identification state */
SD_CARD_STAT_STANDBY = 0x03U, /*!< Card is in standby state */
SD_CARD_STAT_TRANS = 0x04U, /*!< Card is in transfer state */
SD_CARD_STAT_TX_DATA = 0x05U, /*!< Card is sending an operation */
SD_CARD_STAT_RX_DATA = 0x06U, /*!< Card is receiving operation information */
SD_CARD_STAT_PGM = 0x07U, /*!< Card is in programming state */
SD_CARD_STAT_DISCONNECT = 0x08U /*!< Card is disconnected */
} en_sd_card_state_t;
typedef enum en_sd_card_version
{
SdCardVer1x = 0u, ///< SD Card version: 1.x
SdCardVer2x = 1u, ///< SD Card version: 2.x
} en_sd_card_version_t;
/**
*******************************************************************************
** \brief SD Card device Read/Write mode
**
******************************************************************************/
typedef enum en_sd_card_device_mode
{
SdCardPollingMode = 0u, ///< Polling mode transfer
SdCardDmaMode = 1u, ///< DMA mode transfer
} en_sd_card_device_mode_t;
/**
*******************************************************************************
** \brief SD Card Information Structure definition
**
******************************************************************************/
typedef struct stc_sd_card_info
{
uint32_t u32CardType; ///< Specifies the card Type
uint32_t u32CardVersion; ///< Specifies the card version
uint32_t u32Class; ///< Specifies the class of the card class
uint32_t u32RelCardAddr; ///< Specifies the Relative Card Address
uint32_t u32BlockNbr; ///< Specifies the Card Capacity in blocks
uint32_t u32BlockSize; ///< Specifies one block size in bytes
uint32_t u32LogBlockNbr; ///< Specifies the Card logical Capacity in blocks
uint32_t u32LogBlockSize; ///< Specifies logical block size in bytes
} stc_sd_card_info_t;
/**
*******************************************************************************
** \brief CSD Register ver1.0(for Standard Capacity Card)
**
******************************************************************************/
typedef struct stc_sdcard_csd_v1
{
/* Byte 1 */
uint8_t RESERVE1 : 2;
uint8_t FILE_FORMAT : 2;
uint8_t TMP_WRITE_PROTECT : 1;
uint8_t PERM_WRITE_PROTECT : 1;
uint8_t COPY : 1;
uint8_t FILE_FORMAT_GRP : 1;
/* Byte 2 */
uint8_t RESERVE2 : 5;
uint8_t WRITE_BL_PARTIAL : 1;
uint8_t WRITE_BL_LEN1 : 2;
/* Byte 3 */
uint8_t WRITE_BL_LEN2 : 2;
uint8_t R2W_FACTOR : 3;
uint8_t RESERVE3 : 2;
uint8_t WP_GRP_ENABLE : 1;
/* Byte 4 */
uint8_t WP_GRP_SIZE : 7;
uint8_t SECTOR_SIZE1 : 1;
/* Byte 5 */
uint8_t SECTOR_SIZE2 : 6;
uint8_t ERASE_BLK_EN : 1;
uint8_t C_SIZE_MULTI1 : 1;
/* Byte 6 */
uint8_t C_SIZE_MULTI2 : 2;
uint8_t CDD_W_CURR_MAX : 3;
uint8_t CDD_W_CURR_MIN : 3;
/* Byte 7 */
uint8_t VDD_R_CURR_MAX : 3;
uint8_t VDD_R_CURR_MIN : 3;
uint8_t C_SIZE1 : 2;
/* Byte 8 */
uint8_t C_SIZE2 : 8;
/* Byte 9 */
uint8_t C_SIZE3 : 2;
uint8_t RESERVED4 : 2;
uint8_t DSR_IMP : 1;
uint8_t READ_BLK_MISALIGH : 1;
uint8_t WRITE_BLK_MISALIGN : 1;
uint8_t READ_BL_PARTIAL : 1;
/* Byte 10 */
uint8_t READ_BL_LEN : 4;
uint8_t CCC1 : 4;
/* Byte 11 */
uint8_t CCC2 : 8;
/* Byte 12 */
uint8_t TRAN_SPEED : 8;
/* Byte 13 */
uint8_t NSAC : 8;
/* Byte 14 */
uint8_t TAAC : 8;
/* Byte 15 */
uint8_t RESERVE5 : 6;
uint8_t CSD_STRUCTURE : 2;
}stc_sdcard_csd_v1_t;
/**
*******************************************************************************
** \brief CSD Register ver2.0(for High Capacity Card)
**
******************************************************************************/
typedef struct stc_sdcard_csd_v2
{
/* Byte 1 */
uint8_t RESERVED1 : 2;
uint8_t FILE_FORMAT : 2;
uint8_t TMP_WRITE_PROTECT : 1;
uint8_t PERM_WRITE_PROTECT : 1;
uint8_t COPY : 1;
uint8_t FILE_FORMAT_GRP : 1;
/* Byte 2 */
uint8_t RESERVED2 : 5;
uint8_t WRITE_BL_PARTIAL : 1;
uint8_t WRITE_BL_LEN1 : 2;
/* Byte 3 */
uint8_t WRITE_BL_LEN2 : 2;
uint8_t R2W_FACTOR : 3;
uint8_t RESERVED3 : 2;
uint8_t WP_GRP_ENABLE : 1;
/* Byte 4 */
uint8_t WP_GRP_SIZE : 7;
uint8_t SECTOR_SIZE1 : 1;
/* Byte 5 */
uint8_t SECTOR_SIZE2 : 6;
uint8_t ERASE_BLK_EN : 1;
uint8_t RESERVED4 : 1;
/* Byte 6 */
uint8_t C_SIZE1 : 8;
/* Byte 7 */
uint8_t C_SIZE2 : 8;
/* Byte 8 */
uint8_t C_SIZE3 : 6;
uint8_t RESERVED5 : 2;
/* Byte 9 */
uint8_t RESERVED6 : 4;
uint8_t DSR_IMP : 1;
uint8_t READ_BLK_MISALIGH : 1;
uint8_t WRITE_BLK_MISALIGN : 1;
uint8_t READ_BL_PARTIAL : 1;
/* Byte 10 */
uint8_t READ_BL_LEN : 4;
uint8_t CCC1 : 4;
/* Byte 11 */
uint8_t CCC2 : 8;
/* Byte 12 */
uint8_t TRAN_SPEED : 8;
/* Byte 13 */
uint8_t NSAC : 8;
/* Byte 14 */
uint8_t TAAC : 8;
/* Byte 15 */
uint8_t RESERVED7 : 6;
uint8_t CSD_STRUCTURE : 2;
} stc_sdcard_csd_v2_t;
/**
*******************************************************************************
** \brief SD Card initilization parameters
**
******************************************************************************/
typedef struct stc_sdcard_init
{
en_sdioc_bus_width_t enBusWidth; ///< Specifies the SDIOC bus width.
///< This parameter can be a value of @ref en_sdioc_bus_width_t
en_sdioc_clk_freq_t enClkFreq; ///< Specifies the SDIOC clock frequency.
///< This parameter can be a value of @ref en_sdioc_clk_freq_t
en_sdioc_speed_mode_t enSpeedMode; ///< Specifies the SDIOC speed mode.
///< This parameter can be a value of @ref en_sdioc_speed_mode_t
const stc_sdioc_init_t *pstcInitCfg; ///< SD required parameters
///< and this structure detail refer @ref stc_sdioc_init_t
} stc_sdcard_init_t;
/**
*******************************************************************************
** \brief SD Card use DMA unit/channel parameters
**
******************************************************************************/
typedef struct stc_sdcard_dma_init
{
M4_DMA_TypeDef *DMAx; ///< Pointer to DMA registers base address
///< and this structure detail refer @ref M4_DMA_TypeDef
en_dma_channel_t enDmaCh; ///< Specifies the DMA channel.
///< This parameter can be a value of @ref en_dma_channel_t
} stc_sdcard_dma_init_t;
/**
*******************************************************************************
** \brief SD handle Structure definition
**
******************************************************************************/
typedef struct stc_sd_handle
{
M4_SDIOC_TypeDef *SDIOCx; ///< Pointer to SD registers base address
///< and this structure detail refer @ref M4_SDIOC_TypeDef
en_sd_card_device_mode_t enDevMode; ///< SD Card Write/Read mode and this parameter can be a value of @ref en_sd_card_device_mode_t
const stc_sdcard_dma_init_t *pstcDmaInitCfg; ///< Pointer to SD Card initialization parameters
///< and this structure detail refer @ref stc_sdcard_init_t
const stc_sdcard_init_t *pstcCardInitCfg; ///< Pointer to SD Card initialization parameters
///< and this structure detail refer @ref stc_sdcard_init_t
__IO uint32_t Context; ///< SD transfer context
__IO uint32_t u32ErrorCode; ///< SD Card Error codes
stc_sd_card_info_t stcSdCardInfo; ///< SD Card information
///< and this structure detail refer @ref stc_sd_card_info_t
stc_sdmmc_resp_card_status_t stcCardStatus; ///< SD Card status
///< and this structure detail refer @ref stc_sdmmc_resp_card_status_t
uint32_t OCR; ///< SD Card Operation Condition Register
uint32_t CID[4]; ///< SD Card IDentification
uint32_t CSD[4]; ///< SD Card Specific Data
uint32_t DSR; ///< DSR value
uint32_t RCA; ///< RCA value
uint32_t SCR[2]; ///< SD Card Configuration Register
uint32_t CSR; ///< SD Card Status Register
}stc_sd_handle_t;
/*******************************************************************************
* Global pre-processor symbols/macros ('#define')
******************************************************************************/
#define SD_CARD_ERROR_NONE (SDMMC_ERROR_NONE) /*!< No error */
#define SD_CARD_ERROR_CMD_CRC_FAIL (SDMMC_ERROR_CMD_CRC_FAIL) /*!< Command response received (but CRC check failed) */
#define SD_CARD_ERROR_DATA_CRC_FAIL (SDMMC_ERROR_DATA_CRC_FAIL) /*!< Data block sent/received (CRC check failed) */
#define SD_CARD_ERROR_CMD_RSP_TIMEOUT (SDMMC_ERROR_CMD_RSP_TIMEOUT) /*!< Command response timeout */
#define SD_CARD_ERROR_DATA_TIMEOUT (SDMMC_ERROR_DATA_TIMEOUT) /*!< Data timeout */
#define SD_CARD_ERROR_TX_UNDERRUN (SDMMC_ERROR_TX_UNDERRUN) /*!< Transmit FIFO underrun */
#define SD_CARD_ERROR_RX_OVERRUN (SDMMC_ERROR_RX_OVERRUN) /*!< Receive FIFO overrun */
#define SD_CARD_ERROR_ADDR_MISALIGNED (SDMMC_ERROR_ADDR_MISALIGNED) /*!< Misaligned address */
#define SD_CARD_ERROR_BLOCK_LEN_ERR (SDMMC_ERROR_BLOCK_LEN_ERR) /*!< Transferred block length is not allowed for the card or the
number of transferred bytes does not match the block length */
#define SD_CARD_ERROR_ERASE_SEQ_ERR (SDMMC_ERROR_ERASE_SEQ_ERR) /*!< An error in the sequence of erase command occurs */
#define SD_CARD_ERROR_BAD_ERASE_PARAM (SDMMC_ERROR_BAD_ERASE_PARAM) /*!< An invalid selection for erase groups */
#define SD_CARD_ERROR_WRITE_PROT_VIOLATION (SDMMC_ERROR_WRITE_PROT_VIOLATION) /*!< Attempt to program a write protect block */
#define SD_CARD_ERROR_LOCK_UNLOCK_FAILED (SDMMC_ERROR_LOCK_UNLOCK_FAILED) /*!< Sequence or password error has been detected in unlock
command or if there was an attempt to access a locked card */
#define SD_CARD_ERROR_COM_CRC_FAILED (SDMMC_ERROR_COM_CRC_FAILED) /*!< CRC check of the previous command failed */
#define SD_CARD_ERROR_ILLEGAL_CMD (SDMMC_ERROR_ILLEGAL_CMD) /*!< Command is not legal for the card state */
#define SD_CARD_ERROR_CARD_ECC_FAILED (SDMMC_ERROR_CARD_ECC_FAILED) /*!< Card internal ECC was applied but failed to correct the data */
#define SD_CARD_ERROR_CC_ERR (SDMMC_ERROR_CC_ERR) /*!< Internal card controller error */
#define SD_CARD_ERROR_GENERAL_UNKNOWN_ERR (SDMMC_ERROR_GENERAL_UNKNOWN_ERR) /*!< General or unknown error */
#define SD_CARD_ERROR_STREAM_READ_UNDERRUN (SDMMC_ERROR_STREAM_READ_UNDERRUN) /*!< The card could not sustain data reading in stream rmode */
#define SD_CARD_ERROR_STREAM_WRITE_OVERRUN (SDMMC_ERROR_STREAM_WRITE_OVERRUN) /*!< The card could not sustain data programming in stream mode */
#define SD_CARD_ERROR_CID_CSD_OVERWRITE (SDMMC_ERROR_CID_CSD_OVERWRITE) /*!< CID/CSD overwrite error */
#define SD_CARD_ERROR_WP_ERASE_SKIP (SDMMC_ERROR_WP_ERASE_SKIP) /*!< Only partial address space was erased */
#define SD_CARD_ERROR_CARD_ECC_DISABLED (SDMMC_ERROR_CARD_ECC_DISABLED) /*!< Command has been executed without using internal ECC */
#define SD_CARD_ERROR_ERASE_RESET (SDMMC_ERROR_ERASE_RESET) /*!< Erase sequence was cleared before executing because an out
of erase sequence command was received */
#define SD_CARD_ERROR_AKE_SEQ_ERR (SDMMC_ERROR_AKE_SEQ_ERR) /*!< Error in sequence of authentication */
#define SD_CARD_ERROR_INVALID_VOLTRANGE (SDMMC_ERROR_INVALID_VOLTRANGE) /*!< Error in case of invalid voltage range */
#define SD_CARD_ERROR_ADDR_OUT_OF_RANGE (SDMMC_ERROR_ADDR_OUT_OF_RANGE) /*!< Error when addressed block is out of range */
#define SD_CARD_ERROR_REQUEST_NOT_APPLICABLE (SDMMC_ERROR_REQUEST_NOT_APPLICABLE)/*!< Error when command request is not applicable */
#define SD_CARD_ERROR_PARAM (SDMMC_ERROR_INVALID_PARAMETER) /*!< the used parameter is not valid */
#define SD_CARD_ERROR_UNSUPPORTED_FEATURE (SDMMC_ERROR_UNSUPPORTED_FEATURE) /*!< Error when feature is not insupported */
#define SD_CARD_ERROR_BUSY (SDMMC_ERROR_BUSY) /*!< Error when transfer process is busy */
#define SD_CARD_ERROR_DMA (SDMMC_ERROR_DMA) /*!< Error while DMA transfer */
#define SD_CARD_ERROR_TIMEOUT (SDMMC_ERROR_TIMEOUT) /*!< Timeout error */
/*******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/*******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
en_result_t SDCARD_Init(stc_sd_handle_t *handle,
const stc_sdcard_init_t *pstcInitCfg);
en_result_t SDCARD_SetDeviceMode(stc_sd_handle_t *handle,
en_sd_card_device_mode_t enDevMode);
en_sd_card_device_mode_t SDCARD_GetDeviceMode(const stc_sd_handle_t *handle);
en_result_t SDCARD_GetCardCSD(stc_sd_handle_t *handle);
en_result_t SDCARD_Erase(stc_sd_handle_t *handle,
uint32_t u32BlkStartAddr,
uint32_t u32BlkEndAddr,
uint32_t u32Timeout);
en_result_t SDCARD_ReadBlocks( stc_sd_handle_t *handle,
uint32_t u32BlockAddr,
uint16_t u16BlockCnt,
uint8_t *pu8Data,
uint32_t u32Timeout);
en_result_t SDCARD_WriteBlocks( stc_sd_handle_t *handle,
uint32_t u32BlockAddr,
uint16_t u16BlockCnt,
uint8_t *pu8Data,
uint32_t u32Timeout);
en_result_t SD_GetCardState(stc_sd_handle_t *handle, en_sd_card_state_t *peCardState);
//@} // SdiocGroup
#ifdef __cplusplus
}
#endif
#endif /* __SD_CARD_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
Project/GateWay/source/Module/SDCard/sd_card_1.c
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Project/GateWay/source/Module/SDCard/sdmmc_cmd.c
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/*******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC under BSD 3-Clause license
* (the "License"); You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*/
/******************************************************************************/
/** \file sdmmc_cmd.h
**
** A detailed description is available at
** @link SdiocGroup SDIOC description @endlink
**
** - 2018-11-15 CDT First version for Device Driver Library of SDIOC.
**
******************************************************************************/
#ifndef __SDMMC_CMD_H__
#define __SDMMC_CMD_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32_ddl.h"
#include "hc32f460_utility.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/**
*******************************************************************************
** \defgroup SdiocGroup Secure Digital Input and Output Controller(SDIOC)
**
******************************************************************************/
//@{
/*******************************************************************************
* Global type definitions ('typedef')
******************************************************************************/
/**
*******************************************************************************
** \brief SD/eMMC/SDIO card status
**
******************************************************************************/
typedef enum en_sdmmc_card_state
{
SdmmcCardStateIdle = 0u, ///< Card state: Idle State
SdmmcCardStateReady = 1u, ///< Card state: Ready State
SdmmcCardStateIdent = 2u, ///< Card state: Identification State
SdmmcCardStateStby = 3u, ///< Card state: Stand-by State
SdmmcCardStateTran = 4u, ///< Card state: Transfer State
SdmmcCardStateSendData = 5u, ///< Card state: Sending-data State
SdmmcCardStateRcvData = 6u, ///< Card state: Receive-data State
SdmmcCardStatePgm = 7u, ///< Card state: Programming State
SdmmcCardStateDis = 8u, ///< Card state: Disconnect State
} en_sdmmc_card_state_t;
/**
*******************************************************************************
** \brief SD/eMMC/SDIO card capacity.
**
******************************************************************************/
typedef enum sdmmc_capacity
{
SdmmcStanderdCapacity = 0x00000000u, ///< Card capacity: Standard Capacity
SdmmcHighCapacity = 0x40000000u, ///< Card capacity: High Capacity
} sdmmc_capacity_t;
/**
*******************************************************************************
** \brief SD/eMMC/SDIO card response data structure.
**
******************************************************************************/
typedef struct stc_sdmmc_resp_card_status
{
uint32_t RESERVE1 :3; ///< RESERVE
uint32_t AKE_SEQ_ERROR :1; ///< Error in the sequence of the authentication process
uint32_t RESERVE2 :1; ///< RESERVE
uint32_t APP_CMD :1; ///< The card will expect ACMD, or an indication that the command has been interpreted as ACMD
uint32_t RESERVE3 :2; ///< RESERVE
uint32_t READY_FOR_DATA :1; ///< Corresponds to buffer empty signaling on the bus
uint32_t CURRENT_STATE :4; ///< The state of the card when receiving the command.
uint32_t ERASE_RESET :1; ///< An erase sequence was cleared before executing because an out of erase sequence command was received
uint32_t CARD_ECC_DISABLE :1; ///< The command has been executed without using the internal ECC.
uint32_t WP_ERASE_SKIP :1; ///< Set when only partial address space was erased due to existing write protected blocks or the temporary or permanent write protected card was erased.
uint32_t CSD_OVERWRITE :1; ///< - The read only section of the CSD does not match the card content.
///< - An attempt to reverse the copy (set as original) or permanent WP (unprotected) bits was made.
uint32_t RESERVE4 :2; ///< RESERVE
uint32_t ERRORR :1; ///< A general or an unknown error occurred during the operation.
uint32_t CC_ERROR :1; ///< Internal card controller error
uint32_t CARD_ECC_FAIL :1; ///< Card internal ECC was applied but failed to correct the data.
uint32_t ILLEGAL_CMD :1; ///< Command not legal for the card state
uint32_t COM_CRC_ERROR :1; ///< The CRC check of the previous command failed.
uint32_t LOCK_UNLOCK_FAIL :1; ///< Set when a sequence or password error has been detected in lock/unlock card command.
uint32_t CARD_IS_LOCKED :1; ///< When set, signals that the card is locked by the host
uint32_t WP_VIOLATION :1; ///< Set when the host attempts to write to a protected block or to the temporary or permanent write protected card.
uint32_t ERASE_PARAM :1; ///< An invalid selection of write-blocks for erase occurred.
uint32_t ERASE_SEQ_ERR :1; ///< An error in the sequence of erase commands occurred.
uint32_t BLOCK_LEN_ERR :1; ///< The transferred block length is not allowed for this card, or the number of transferred bytes does not match the block length.
uint32_t ADDRESS_ERROR :1; ///< A misaligned address which did not match the block length was used in the command.
uint32_t OUT_OF_RANGE :1; ///< The command’s argument was out of the allowed range for this card.
} stc_sdmmc_resp_card_status_t;
/*******************************************************************************
* Global pre-processor symbols/macros ('#define')
******************************************************************************/
/**
*******************************************************************************
** \brief SDMMC Commands Index
**
******************************************************************************/
#define CMD0_GO_IDLE_STATE (0u) /*!< Resets the SD memory card. */
#define CMD1_SEND_OP_COND (1u) /*!< Sends host capacity support information and activates the card's initialization process. */
#define CMD2_ALL_SEND_CID (2u) /*!< Asks any card connected to the host to send the CID numbers on the CMD line. */
#define CMD3_SEND_RELATIVE_ADDR (3u) /*!< Asks the card to publish a new relative address (RCA). */
#define CMD_SET_DSR (4u) /*!< Programs the DSR of all cards. */
#define CMD_SDMMC_SEN_OP_COND (5u) /*!< Sends host capacity support information (HCS) and asks the accessed card to send its
operating condition register (OCR) content in the response on the CMD line. */
#define CMD6_SWITCH_FUNC (6u) /*!< Checks switchable function (mode 0) and switch card function (mode 1). */
#define CMD7_SEL_DESEL_CARD (7u) /*!< Selects the card by its own relative address and gets deselected by any other address */
#define CMD8_SEND_IF_COND (8u) /*!< Sends SD Memory Card interface condition, which includes host supply voltage information
and asks the card whether card supports voltage. */
#define CMD9_SEND_CSD (9u) /*!< Addressed card sends its card specific data (CSD) on the CMD line. */
#define CMD10_SEND_CID (10u) /*!< Addressed card sends its card identification (CID) on the CMD line. */
#define CMD11_READ_DAT_UNTIL_STOP (11u) /*!< SD card doesn't support it. */
#define CMD12_STOP_TRANSMISSION (12u) /*!< Forces the card to stop transmission. */
#define CMD13_SEND_STATUS (13u) /*!< Addressed card sends its status register. */
#define CMD14_HS_BUSTEST_READ (14u) /*!< Reserved */
#define CMD15_GO_INACTIVE_STATE (15u) /*!< Sends an addressed card into the inactive state. */
#define CMD16_SET_BLOCKLEN (16u) /*!< Sets the block length (in bytes for SDSC) for all following block commands
(read, write, lock). Default block length is fixed to 512 Bytes. Not effective
for SDHS and SDXC. */
#define CMD17_READ_SINGLE_BLOCK (17u) /*!< Reads single block of size selected by SET_BLOCKLEN in case of SDSC, and a block of
fixed 512 bytes in case of SDHC and SDXC. */
#define CMD18_READ_MULTIPLE_BLOCK (18u) /*!< Continuously transfers data blocks from card to host until interrupted by
STOP_TRANSMISSION command. */
#define CMD19_HS_BUSTEST_WRITE (19u) /*!< 64 bytes tuning pattern is sent for SDR50 and SDR104. */
#define CMD20_WRITE_DAT_UNTIL_STOP (20u) /*!< Speed class control command. */
#define CMD23_SET_BLOCK_COUNT (23u) /*!< Specify block count for CMD18 and CMD25. */
#define CMD24_WRITE_SINGLE_BLOCK (24u) /*!< Writes single block of size selected by SET_BLOCKLEN in case of SDSC, and a block of
fixed 512 bytes in case of SDHC and SDXC. */
#define CMD25_WRITE_MULTIPLE_BLOCK (25u) /*!< Continuously writes blocks of data until a STOP_TRANSMISSION follows. */
#define CMD26_PROG_CID (26u) /*!< Reserved for manufacturers. */
#define CMD27_PROG_CSD (27u) /*!< Programming of the programmable bits of the CSD. */
#define CMD28_SET_WRITE_PROT (28u) /*!< Sets the write protection bit of the addressed group. */
#define CMD29_CLR_WRITE_PROT (29u) /*!< Clears the write protection bit of the addressed group. */
#define CMD30_SEND_WRITE_PROT (30u) /*!< Asks the card to send the status of the write protection bits. */
#define CMD32_ERASE_WR_BLK_START (32u) /*!< Sets the address of the first write block to be erased. (For SD card only). */
#define CMD33_ERASE_WR_BLK_END (33u) /*!< Sets the address of the last write block of the continuous range to be erased. */
#define CMD35_ERASE_GRP_START (35u) /*!< Sets the address of the first write block to be erased. Reserved for each command
system set by switch function command (CMD6). */
#define CMD36_ERASE_GRP_END (36u) /*!< Sets the address of the last write block of the continuous range to be erased.
Reserved for each command system set by switch function command (CMD6). */
#define CMD38_ERASE (38u) /*!< Reserved for SD security applications. */
#define CMD39_FAST_IO (39u) /*!< SD card doesn't support it (Reserved). */
#define CMD40_GO_IRQ_STATE (40u) /*!< SD card doesn't support it (Reserved). */
#define CMD42_LOCK_UNLOCK (42u) /*!< Sets/resets the password or lock/unlock the card. The size of the data block is set by
the SET_BLOCK_LEN command. */
#define CMD55_APP_CMD (55u) /*!< Indicates to the card that the next command is an application specific command rather
than a standard command. */
#define CMD56_GEN_CMD (56u) /*!< Used either to transfer a data block to the card or to get a data block from the card
for general purpose/application specific commands. */
#define CMD64_NO_CMD (64u) /*!< No command */
/**
*******************************************************************************
** \brief SDMMC_APP_CMD Commands Index
**
******************************************************************************/
#define ACMD6_APP_SD_SET_BUSWIDTH (6u) /*!< (ACMD6) Defines the data bus width to be used for data transfer. The allowed data bus
widths are given in SCR register. */
#define ACMD13_SD_APP_STATUS (13u) /*!< (ACMD13) Sends the SD status. */
#define ACMD22_SD_APP_SEND_NUM_WRITE_BLOCKS (22u) /*!< (ACMD22) Sends the number of the written (without errors) write blocks. Responds with
32bit+CRC data block. */
#define ACMD41_SD_SEND_OP_COND (41u) /*!< (ACMD41) Sends host capacity support information (HCS) and asks the accessed card to
send its operating condition register (OCR) content in the response on the CMD line. */
#define ACMD42_SET_CLR_CARD_DETECT (42u) /*!< (ACMD42) Connect/Disconnect the 50 KOhm pull-up resistor on CD/DAT3 (pin 1) of the card */
#define ACMD51_SD_APP_SEND_SCR (51u) /*!< Reads the SD Configuration Register (SCR). */
#define ACMD52_RW_DIRECT (52u) /*!< For SD I/O card only, reserved for security specification. */
#define ACMD53_RW_EXTENDED (53u) /*!< For SD I/O card only, reserved for security specification. */
/**
*******************************************************************************
** \brief SD Card Specific security commands Commands Index
**
******************************************************************************/
#define ACMD43_GET_MKB (43u)
#define ACMD44_GET_MID (44u)
#define ACMD45_SET_CER_RN1 (45u)
#define ACMD46_GET_CER_RN2 (46u)
#define ACMD47_SET_CER_RES2 (47u)
#define ACMD48_GET_CER_RES1 (48u)
#define ACMD18_SECURE_READ_MULTIPLE_BLOCK (18u)
#define ACMD25_SECURE_WRITE_MULTIPLE_BLOCK (25u)
#define ACMD38_SECURE_ERASE (38u)
#define ACMD49_CHANGE_SECURE_AREA (49u)
#define ACMD48_SECURE_WRITE_MKB (48u)
/**
*******************************************************************************
** \brief Media voltage supported.
**
******************************************************************************/
#define SDMMC_SD_VOLT_1_7 (0x00000010ul) /* Low voltage card minimum */
#define SDMMC_SD_VOLT_1_8 (0x00000020ul)
#define SDMMC_SD_VOLT_1_9 (0x00000040ul)
#define SDMMC_SD_VOLT_2_0 (0x00000080ul)
#define SDMMC_SD_VOLT_2_1 (0x00000100ul) /* Basic communication minimum */
#define SDMMC_SD_VOLT_2_2 (0x00000200ul)
#define SDMMC_SD_VOLT_2_3 (0x00000400ul)
#define SDMMC_SD_VOLT_2_4 (0x00000800ul)
#define SDMMC_SD_VOLT_2_5 (0x00001000ul)
#define SDMMC_SD_VOLT_2_6 (0x00002000ul)
#define SDMMC_SD_VOLT_2_7 (0x00004000ul)
#define SDMMC_SD_VOLT_2_8 (0x00008000ul) /* Memory access minimum */
#define SDMMC_SD_VOLT_2_9 (0x00010000ul)
#define SDMMC_SD_VOLT_3_0 (0x00020000ul)
#define SDMMC_SD_VOLT_3_1 (0x00040000ul)
#define SDMMC_SD_VOLT_3_2 (0x00080000ul)
#define SDMMC_SD_VOLT_3_3 (0x00100000ul)
#define SDMMC_SD_VOLT_3_4 (0x00200000ul)
#define SDMMC_SD_VOLT_3_5 (0x00400000ul)
#define SDMMC_SD_VOLT_3_6 (0x00800000ul)
#define SDMMC_ERROR_NONE (0x00000000ul) /*!< No error */
#define SDMMC_ERROR_CMD_CRC_FAIL (0x00000001ul) /*!< Command response received (but CRC check failed) */
#define SDMMC_ERROR_DATA_CRC_FAIL (0x00000002ul) /*!< Data block sent/received (CRC check failed) */
#define SDMMC_ERROR_CMD_RSP_TIMEOUT (0x00000004ul) /*!< Command response timeout */
#define SDMMC_ERROR_DATA_TIMEOUT (0x00000008ul) /*!< Data timeout */
#define SDMMC_ERROR_TX_UNDERRUN (0x00000010ul) /*!< Transmit FIFO underrun */
#define SDMMC_ERROR_RX_OVERRUN (0x00000020ul) /*!< Receive FIFO overrun */
#define SDMMC_ERROR_ADDR_MISALIGNED (0x00000040ul) /*!< Misaligned address */
#define SDMMC_ERROR_BLOCK_LEN_ERR (0x00000080ul) /*!< Transferred block length is not allowed for the card or the
number of transferred bytes does not match the block length */
#define SDMMC_ERROR_ERASE_SEQ_ERR (0x00000100ul) /*!< An error in the sequence of erase command occurs */
#define SDMMC_ERROR_BAD_ERASE_PARAM (0x00000200ul) /*!< An invalid selection for erase groups */
#define SDMMC_ERROR_WRITE_PROT_VIOLATION (0x00000400ul) /*!< Attempt to program a write protect block */
#define SDMMC_ERROR_LOCK_UNLOCK_FAILED (0x00000800ul) /*!< Sequence or password error has been detected in unlock
command or if there was an attempt to access a locked card */
#define SDMMC_ERROR_COM_CRC_FAILED (0x00001000ul) /*!< CRC check of the previous command failed */
#define SDMMC_ERROR_ILLEGAL_CMD (0x00002000ul) /*!< Command is not legal for the card state */
#define SDMMC_ERROR_CARD_ECC_FAILED (0x00004000ul) /*!< Card internal ECC was applied but failed to correct the data */
#define SDMMC_ERROR_CC_ERR (0x00008000ul) /*!< Internal card controller error */
#define SDMMC_ERROR_GENERAL_UNKNOWN_ERR (0x00010000ul) /*!< General or unknown error */
#define SDMMC_ERROR_STREAM_READ_UNDERRUN (0x00020000ul) /*!< The card could not sustain data reading in stream rmode */
#define SDMMC_ERROR_STREAM_WRITE_OVERRUN (0x00040000ul) /*!< The card could not sustain data programming in stream mode */
#define SDMMC_ERROR_CID_CSD_OVERWRITE (0x00080000ul) /*!< CID/CSD overwrite error */
#define SDMMC_ERROR_WP_ERASE_SKIP (0x00100000ul) /*!< Only partial address space was erased */
#define SDMMC_ERROR_CARD_ECC_DISABLED (0x00200000ul) /*!< Command has been executed without using internal ECC */
#define SDMMC_ERROR_ERASE_RESET (0x00400000ul) /*!< Erase sequence was cleared before executing because an out
of erase sequence command was received */
#define SDMMC_ERROR_AKE_SEQ_ERR (0x00800000ul) /*!< Error in sequence of authentication */
#define SDMMC_ERROR_INVALID_VOLTRANGE (0x01000000ul) /*!< Error in case of invalid voltage range */
#define SDMMC_ERROR_ADDR_OUT_OF_RANGE (0x02000000ul) /*!< Error when addressed block is out of range */
#define SDMMC_ERROR_REQUEST_NOT_APPLICABLE (0x04000000ul) /*!< Error when command request is not applicable */
#define SDMMC_ERROR_INVALID_PARAMETER (0x08000000ul) /*!< the used parameter is not valid */
#define SDMMC_ERROR_UNSUPPORTED_FEATURE (0x10000000ul) /*!< Error when feature is not insupported */
#define SDMMC_ERROR_BUSY (0x20000000ul) /*!< Error when transfer process is busy */
#define SDMMC_ERROR_DMA (0x40000000ul) /*!< Error while DMA transfer */
#define SDMMC_ERROR_TIMEOUT (0x80000000ul) /*!< Timeout error */
/*******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/*******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
en_result_t SDMMC_Cmd0_GoIdleState(M4_SDIOC_TypeDef *SDIOCx);
en_result_t SDMMC_Cmd1_SendOpCond(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32Argument, uint32_t *pu32OCR);
en_result_t SDMMC_Cmd2_AllSendCID(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32CID[4]);
en_result_t SDMMC_Cmd3_SendRelativeAddr(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32RCA);
en_result_t SDMMC_Cmd6_SwitchFunc(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32Argument, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd7_SelectDeselectCard(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32RCA, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd8_SendIfCond(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32IfCond);
en_result_t SDMMC_Cmd9_SendCSD(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32RCA, uint32_t u32CSD[4]);
en_result_t SDMMC_Cmd10_SendCID(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32RCA, uint32_t u32CID[4]);
en_result_t SDMMC_Cmd12_StopTransmission(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd13_SendStatus(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32RCA, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd16_SetBlockLength(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32BlockLen, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd17_ReadSingleBlock(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32ReadAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd18_ReadMultipleBlock(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32ReadAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd24_WriteSingleBlock(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32WriteAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd25_WriteMultipleBlock(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32WriteAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd32_EraseWrBlkStart(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32StartAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd33_EraseWrBlkEnd(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32EndAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd35_SetEraseStartAddr(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32StartAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd36_SetEraseEndAddr(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32EndAddr, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd38_Erase(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32Resp1);
en_result_t SDMMC_Cmd55_AppCmd(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32Argument, uint32_t *pu32Resp1);
en_result_t SDMMC_Acmd6_SetBusWidth(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32BusWidth, uint32_t *pu32Resp1);
en_result_t SDMMC_Acmd13_SdStatus(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32Resp1);
en_result_t SDMMC_Acmd41_SdSendOpCond(M4_SDIOC_TypeDef *SDIOCx, uint32_t u32SdType, uint32_t *pu32OCR);
en_result_t SDMMC_Acmd51_SendSCR(M4_SDIOC_TypeDef *SDIOCx, uint32_t *pu32Resp1);
//@} // SdiocGroup
#ifdef __cplusplus
}
#endif
#endif /* __SDMMC_CMD_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
Project/GateWay/source/Module/SDCard/sdmmc_cmd_1.c
-1641
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Project/GateWay/source/Module/SHT20/SHT20.C
-615
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@@ -1,615 +0,0 @@
#include "SHT20.h"
SHT20Var_t SHT20;
//---------- Defines -----------------------------------------------------------
// CRC 累加和校验常量
const uint32_t POLYNOMIAL = 0x131; //P(x)=x^8+x^5+x^4+1 = 100110001
/*
************************************************************
* 函数名称： SHT2x_CheckCrc
*
* 函数功能： 检查数据正确性
*
* 入口参数： data：读取到的数据
* nbrOfBytes：需要校验的数量
* checksum：读取到的校对比验值
*
* 返回参数： 校验结果
*
* 说明： 0-成功 1-失败
************************************************************
*/
uint8_t SHT2x_CheckCrc(uint8_t *data, uint8_t nbrOfBytes, uint8_t checksum)
{
uint8_t crc = 0;
uint8_t bit = 0;
uint8_t byteCtr = 0;
//calculates 8-Bit checksum with given polynomial
for(byteCtr = 0; byteCtr < nbrOfBytes; ++byteCtr) {
crc ^= (data[byteCtr]);
for ( bit = 8; bit > 0; --bit) {
if (crc & 0x80)
crc = (crc << 1) ^ POLYNOMIAL;
else
crc = (crc << 1);
}
}
if(crc != checksum)
return 1;
return 0;
}
void delay_us(int dlycnt)
{
for(int i = 0; i < dlycnt; i++) {
uint8_t temp = 10;
while(temp--);
}
}
#ifdef I2C_SOFTWARE
#define ACK 0 //应答信号
#define NACK 1 //非应答信号
#define SHT20_IN_SDA SHT20_I2C_SDA_Read() //读取SDA值
#define IIC_Delay() delay_us(10) //时钟延时
/*================================================================
[ Name ]void IO_I2CInit(void)
[Function]I2C初始化 空闲状态
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void IO_I2CInit(void)
{
//
}
//
/*================================================================
[ Name ]SHT20_I2C_SDA_Read
[Function]读取SDA数据线上值
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
uint8_t SHT20_I2C_SDA_Read(void)
{
SHT20_SDA_IN();
if(SHT20_SDA_GET())
return 1;
else
return 0;
}
/*================================================================
[ Name ]I2CStart
[Function]开始
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void I2CStart(void)
{
//uint8_t retval;
SHT20_SDA_OUT(); //设置成输出
//SHT20_SCL_OUT();
SHT20_I2C_SDA_HIGH(); //为SDA下降启动做准备
SHT20_I2C_SCL_HIGH(); //在SCL高电平时，SDA为下降沿时候总线启动
IIC_Delay();
SHT20_I2C_SDA_LOW(); //突变，总线启动
IIC_Delay();
SHT20_I2C_SCL_LOW();
IIC_Delay();
//SHT20_SDA_IN(); //设置成输入
// if(SHT20_IN_SDA)
// {
// retval= NACK;
// }
// else
// {
// retval= ACK;
// }
// retval=retval;
}
/*================================================================
[ Name ]I2CStop
[Function]结束
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void I2CStop(void)
{
SHT20_SDA_OUT(); //设置成输出
SHT20_I2C_SDA_LOW(); //为SDA上升做准备
SHT20_I2C_SCL_LOW();
IIC_Delay();
SHT20_I2C_SCL_HIGH(); //在SCL高电平时，SDA为上升沿时候总线停止
IIC_Delay();
SHT20_I2C_SDA_HIGH(); //突变，总线停止
IIC_Delay();
}
/*================================================================
[ Name ]I2C_Write_Byte
[Function]写一个字节 返回ACK或NACK
[ Notes ]从高到低发
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
uint8_t I2C_Write_Byte(uint8_t Write_Byte) //Sendbyte
{
uint8_t i,retval=3;
SHT20_SDA_OUT(); //设置成输出
//SHT20_SCL_OUT() ;
for(i = 0;i < 8;i++) {
if(Write_Byte & 0x80)
SHT20_I2C_SDA_HIGH(); //判断发送位，先发送高位
else
SHT20_I2C_SDA_LOW();
//IIC_Delay();
SHT20_I2C_SCL_HIGH(); //为SCL下降做准备
IIC_Delay();
SHT20_I2C_SCL_LOW(); //突变，将数据位发送过去
IIC_Delay();
Write_Byte<<=1; //数据左移一位
} //字节发送完成，开始接收应答信号
IIC_Delay();
SHT20_I2C_SDA_HIGH(); //释放数据线
IIC_Delay();
SHT20_SDA_IN(); //设置成输入
//IIC_Delay();
SHT20_I2C_SCL_HIGH(); //为SCL下降做准备
IIC_Delay();
if(SHT20_IN_SDA)
retval= NACK;
else
retval= ACK;
SHT20_I2C_SCL_LOW();
IIC_Delay();
return retval;
}
//
/*================================================================
[ Name ]I2C_Read_Byte
[Function]读一个字节，入库参数用于控制应答状态 ACK或NAC
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
uint8_t I2C_Read_Byte(uint8_t AckValue)//receivebyte
{
uint8_t i;
uint8_t RXDATA=0;
// SHT20_SDA_OUT(); //设置成输出
// SHT20_I2C_SDA_HIGH(); //首先置数据线为高电平
// SHT20_I2C_SCL_LOW();
SHT20_SDA_IN(); //设置成输入
for(i = 0;i < 8;i++) {
SHT20_I2C_SCL_HIGH(); //突变
IIC_Delay();
RXDATA <<= 1; //读入数据，高位在前
if(SHT20_IN_SDA) RXDATA |= 0x01; //收到高电平
else RXDATA &= 0xfe;
IIC_Delay();
SHT20_I2C_SCL_LOW();
IIC_Delay();
} //数据接收完成
SHT20_SDA_OUT();
if(AckValue)
SHT20_I2C_SDA_HIGH();
else
SHT20_I2C_SDA_LOW();
IIC_Delay();
SHT20_I2C_SCL_HIGH();
IIC_Delay();
SHT20_I2C_SCL_LOW();
IIC_Delay();
return RXDATA; //返回读取到的数据
}
/*================================================================
[ Name ]SHT20_SoftReset
[Function]SHT20软件复位
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void SHT20_Reset(void)
{
// IO_I2CInit(); //I2C initialize
I2CStart(); //start I2C
I2C_Write_Byte(SHT20_ADDRESS&0xfe); //I2C address + write
I2C_Write_Byte(0xfe); //soft reset
I2CStop(); //stop I2C
}
/*================================================================
[ Name ]SET_Resolution
[Function]写寄存器 设置分辨率
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void SET_Resolution(void)
{
I2CStart(); //Start I2C
if(I2C_Write_Byte(SHT20_ADDRESS&0xfe) == ACK) { //I2C address + write + ACK
if(I2C_Write_Byte(0xe6) == ACK) { //写用户寄存器
if(I2C_Write_Byte(0x83) == ACK)
__NOP(); //设置分辨率 11bit RH% 测量时间:12ms(typ.) & 11bit T测量时间:9ms(typ.)
}
}
I2CStop(); //Stop I2C
}
/*================================================================
[ Name ]ReadSht20
[Function]非主机模式，读取温湿度值
[ Notes ]入口控制读取温度或湿度 复位需要15ms 温度转换最大需要85ms
[ Author ]LZH SHT20上电后等待20ms 再读取sht20
[ Data ]2016.06.22
================================================================*/
float SHT2x_MeasureHM(uint8_t whatdo)
{
float temp;
uint8_t MSB,LSB,checksum=0,checktemp[2];
float Humidity,Temperature;
uint32_t waitt= 1000;
//SET_Resolution(); //此处之前出过问题 所以屏蔽掉
I2CStart();
if(I2C_Write_Byte(SHT20_ADDRESS&0xfe)==ACK) { //I2C address + write + ACK
if(I2C_Write_Byte(whatdo)==ACK) { //Command
do{
delay_us(100); //加入超时
I2CStart();
if(--waitt==0)
break;
} while(I2C_Write_Byte(SHT20_ADDRESS|0x01) == NACK); //I2C address + read + NACK
if(waitt != 0) {
MSB = I2C_Read_Byte(ACK); //Data(MSB)
LSB = I2C_Read_Byte(ACK); //Data(LSB)
checksum=I2C_Read_Byte(NACK); //Checksum + NACK 累加和校验值
I2CStop(); //Stop I2C
checktemp[0]=MSB;
checktemp[1]=LSB;
if(SHT2x_CheckCrc(checktemp,2,checksum)) { //累加和校验成功
LSB &= 0xfc; //Data (LSB) 后两位清零
temp = MSB*256 + LSB; //十六进制转十进制
if (whatdo==((uint8_t)0xf5)) { //No Hold Master Mode,read humidity
/*-- calculate relative humidity [%RH] --*/
Humidity =(temp*125)/65536-6; //公式: RH%= -6 + 125 * SRH/2^16
return Humidity; //返回:humidity
}
else{ //No Hold Master Mode,read temperature
/*-- calculate temperature [℃] --*/
Temperature = (temp*175.72)/65536-46.85; //公式:T= -46.85 + 175.72 * ST/2^16
return Temperature; //返回:temperature
}
}
}
}
}
I2CStop(); //CT add
return 0;
}
//
/********************************************************
[ Name ]GetMiddleNum
[Function] 中值滤波
[ Notes ] 传入数据buf bArray, iFilterLen滤波数据长度
[ Author ] CSDN
[ Data ]2018.10.25
**********************************************************/
float GetMiddleNum(float * bArray, uint8_t iFilterLen)
{
uint8_t i,j;// 循环变量
float bTemp;
if(iFilterLen>100)
return 0;
// 用冒泡法对数组进行排序
for (j = 0; j < iFilterLen - 1; j ++) {
for (i = 0; i < iFilterLen - j - 1; i ++) {
if (bArray[i] > bArray[i + 1]) {
// 互换
bTemp = bArray[i];
bArray[i] = bArray[i + 1];
bArray[i + 1] = bTemp;
}
}
}
// 计算中值
if ((iFilterLen & 1) > 0) {
// 数组有奇数个元素，返回中间一个元素
bTemp = bArray[(iFilterLen -1) / 2];
}
else {
// 数组有偶数个元素，返回中间两个元素平均值
bTemp = (bArray[iFilterLen / 2-1] + bArray[iFilterLen / 2 ]) / 2;
}
return bTemp;
}
//
/********************************************************
[ Name ]ReadSht20_Medium
[Function] 获取中值
[ Notes ] 读取完后关闭上拉 设为低 (解决干扰问题)
[ Author ]
[ Data ]2018.10.25
**********************************************************/
float ReadSht20_Medium (void)
{
float arry3[3];
//SHT20_I2C_SET_PULL_UP(); //开启引脚上拉
for(uint8_t ui=0; ui<3; ui++) {
arry3[ui]= SHT2x_MeasureHM(SHT20_Measurement_T_HM);
delay_us(20);
//printf("sht origin %.2f \r\n",arry3[ui]);
}
float retv = GetMiddleNum(arry3, 3);
#ifdef I2C_SOFTWARE
//SHT20_I2C_SET_PULL_NO(); //关闭上拉
SHT20_I2C_LOW(); //读取完温度后拉低
#endif
return retv;
}
#else
/*
************************************************************
* 函数名称： SHT20_reset
*
* 函数功能： SHT20复位
*
* 入口参数： 无
*
* 返回参数： 无
*
* 说明：
************************************************************
*/
void SHT20_Reset(void)
{
uint8_t Data = SHT20_SOFT_RESET;
Sht20_Reg_Write(SHT20_ADDRESS, &Data, 1);
Sht20_Delay(15);
}
/*
************************************************************
* 函数名称： SHT20_read_user_reg
*
* 函数功能： SHT20读取用户寄存器
*
* 入口参数： 无
*
* 返回参数： 读取到的用户寄存器的值
*
* 说明：
************************************************************
*/
uint8_t SHT20_read_user_reg(void)
{
uint8_t val = 0;
uint8_t reg = SHT20_READ_REG;
Sht20_Read(SHT20_ADDRESS, &reg, &val, 1);
return val;
}
/*
************************************************************
* 函数名称： SHT2x_CalcTemperatureC
*
* 函数功能： 温度计算
*
* 入口参数： u16sT：读取到的温度原始数据
*
* 返回参数： 计算后的温度数据
*
* 说明：
************************************************************
*/
float SHT2x_CalcTemperatureC(uint16_t u16sT)
{
float temperatureC = 0; // variable for result
u16sT &= ~0x0003; // clear bits [1..0] (status bits)
//-- calculate temperature [℃] --
temperatureC = -46.85 + 175.72 / 65536 * (float)u16sT; //T= -46.85 + 175.72 * ST/2^16
return temperatureC;
}
/*
************************************************************
* 函数名称： SHT2x_CalcRH
*
* 函数功能： 湿度计算
*
* 入口参数： u16sRH：读取到的湿度原始数据
*
* 返回参数： 计算后的湿度数据
*
* 说明：
************************************************************
*/
float SHT2x_CalcRH(uint16_t u16sRH)
{
float humidityRH = 0; // variable for result
u16sRH &= ~0x0003; // clear bits [1..0] (status bits)
//-- calculate relative humidity [%RH] --
//humidityRH = -6.0 + 125.0/65536 * (float)u16sRH; // RH= -6 + 125 * SRH/2^16
humidityRH = ((float)u16sRH * 0.00190735) - 6;
return humidityRH;
}
/*
************************************************************
* 函数名称： SHT2x_MeasureHM
*
* 函数功能： 测量温湿度
*
* 入口参数： cmd：测量温度还是湿度
*
* 返回参数： 测量结果
*
* 说明：
************************************************************
*/
float SHT2x_MeasureHM(uint8_t cmd)
{
uint8_t checksum = 0; //checksum
uint8_t data[3]; //data array for checksum verification
uint16_t tmp = 0;
float t = 0;
Sht20_Read(SHT20_ADDRESS, &cmd, data, 3);
checksum = data[2];
if(SHT2x_CheckCrc(data, 2, checksum) == 0) {
tmp = (data[0] << 8) + data[1];
if(cmd == SHT20_Measurement_T_NHM)
t = SHT2x_CalcTemperatureC(tmp);
else
t = SHT2x_CalcRH(tmp);
}
return t;
}
#endif
/*
************************************************************
* 函数名称： SHT20_GetValue
*
* 函数功能： 获取温湿度数据
*
* 入口参数： 无
*
* 返回参数： 无
*
* 说明： 温湿度结果保存在SHT20结构体里
************************************************************
*/
void SHT20_GetValue(float *Tempreture, float *Humidity)
{
if(Tempreture != NULL) {
*Tempreture = SHT20.Tempreture;
}
if(Humidity != NULL) {
*Humidity = SHT20.Humidity;
}
//SHT20_reset();
}
void SHT20Start(void)
{
memset(&SHT20, 0x00, sizeof(SHT20));
SHT20.Sht20Status = SHT20_INIT;
}
void SHT20LoopHandler(void)
{
uint8_t ret;
uint8_t rData[3];
switch(SHT20.Sht20Status) {
case SHT20_IDLE:
break;
case SHT20_INIT:
SHT20_Reset();
SHT20.Sht201mSDelayCnt = 200;
SHT20.Sht20Status = SHT20_READ_HUMI;
break;
case SHT20_READ_TEMPR:
if(SHT20.Sht201mSDelayCnt > 0)
break;
SHT20.Cmd = SHT20_Measurement_T_NHM;
ret = SHT20_StartMeas(SHT20_ADDRESS, &SHT20.Cmd);
if(ret == true) {
SHT20.Sht201mSDelayCnt = 90;
SHT20.Sht20Status = SHT20_READ_DATA;
}
else {
SHT20.Sht201mSDelayCnt = 1000;
SHT20.Sht20Status = SHT20_INIT;
}
break;
case SHT20_READ_HUMI:
if(SHT20.Sht201mSDelayCnt > 0)
break;
SHT20.Cmd = SHT20_Measurement_RH_NHM;
ret = SHT20_StartMeas(SHT20_ADDRESS, &SHT20.Cmd);
if(ret == true) {
SHT20.Sht201mSDelayCnt = 90;
SHT20.Sht20Status = SHT20_READ_DATA;
}
else {
SHT20.Sht201mSDelayCnt = 1000;
SHT20.Sht20Status = SHT20_INIT;
}
break;
case SHT20_READ_DATA:
if(SHT20.Sht201mSDelayCnt > 0)
break;
ret = SHT20_Readata(SHT20_ADDRESS, rData, 3);
if(ret == true) {
if(SHT2x_CheckCrc(rData, 2, rData[2]) == 0) {
uint16_t tmp = (rData[0] << 8) + rData[1];
if(SHT20.Cmd == SHT20_Measurement_T_NHM) {
SHT20.Tempreture = SHT2x_CalcTemperatureC(tmp);
SHT20.Sht20Status = SHT20_READ_HUMI;
}
else {
SHT20.Humidity = SHT2x_CalcRH(tmp);
SHT20.Sht20Status = SHT20_READ_TEMPR;
}
SHT20.Sht201mSDelayCnt = 5;
}
}
else {
SHT20.Sht201mSDelayCnt = 1000;
SHT20.Sht20Status = SHT20_INIT;
}
}
}
void SHT201mSRoutine(void)
{
if(SHT20.Sht201mSDelayCnt > 0)
SHT20.Sht201mSDelayCnt--;
}
Project/GateWay/source/Module/SHT20/SHT20.H
-156
View File
@@ -1,156 +0,0 @@
/***************************************************************
* File name : SHT20.h
* Description : SHT20 Humidity and Temperature Sensors
* M C U : STM32L051XX
* Compiler : Keil uVision V5.00a
* Created by :
* Copyright : Copyright(c) 2018
* Created data : 2018.03.16
* Modified data: 2018.03.16
* Vision : V1.0
*****************************************************************/
/*****************Function Declaration*************************/
/*----define to easier to use-----*/
#include <stdint.h>
#include "bsp.h"
typedef enum {
SHT20_IDLE,
SHT20_INIT,
SHT20_READ_TEMPR,
SHT20_READ_HUMI,
SHT20_READ_DATA
}SHT20Status_m;
typedef struct {
SHT20Status_m Sht20Status;
int Sht201mSDelayCnt;
float Tempreture;
float Humidity;
uint8_t Cmd;
}SHT20Var_t;
#define SHT20_Write_Add 0x80
#define SHT20_Read_Add 0x81
#define SHT20_Measurement_RH_HM 0XE5
#define SHT20_Measurement_T_HM 0XE3
#define SHT20_Measurement_RH_NHM 0XF5 //非主机模式地址
#define SHT20_Measurement_T_NHM 0XF3 //非主机模式地址
#define SHT20_READ_REG 0XE7
#define SHT20_WRITE_REG 0XE6
#define SHT20_SOFT_RESET 0XFE
//#define I2C_SOFTWARE
#ifdef I2C_SOFTWARE
#define SHT20_ADDRESS 0X80
#define SHT20_SDA_IN() I2C_SDA_IN() //设置引脚输入模式
#define SHT20_SDA_OUT() I2C_SDA_OUT() //设置引脚输出模式
#define SHT20_SDA_GET() I2C_SDA_GET()
#define SHT20_I2C_SDA_LOW() I2C_SDA_LOW()
#define SHT20_I2C_SCL_LOW() I2C_SCL_LOW()
#define SHT20_I2C_SDA_HIGH() I2C_SDA_HIGH()
#define SHT20_I2C_SCL_HIGH() I2C_SCL_HIGH()
#define SHT20_I2C_LOW() {SHT20_I2C_SDA_LOW();SHT20_I2C_SCL_LOW();}
/*================================================================
[ Name ]void IO_I2CInit(void)
[Function]I2C初始化 空闲状态
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void IO_I2CInit(void);
/*================================================================
[ Name ]I2CStart
[Function]开始
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void I2CStart(void);
/*================================================================
[ Name ]I2CStop
[Function]结束
[ Notes ]
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void I2CStop(void);
/*================================================================
[ Name ]I2C_Write_Byte
[Function]写一个字节 返回ACK或NACK
[ Notes ]从高到低发
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
uint8_t I2C_Write_Byte(uint8_t Write_Byte);
/*================================================================
[ Name ]I2C_Read_Byte
[Function]读一个字节，入库参数用于控制应答状态 ACK或NAC
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
uint8_t I2C_Read_Byte(uint8_t AckValue);
/*================================================================
[ Name ]SHT20_SoftReset
[Function]SHT20软件复位
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void SHT20_SoftReset(void);
/*================================================================
[ Name ]SET_Resolution
[Function]写寄存器 设置分辨率
[ Notes ]从高到低
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
void SET_Resolution(void);
/*================================================================
[ Name ]ReadSht20
[Function]非主机模式，读取温湿度值
[ Notes ]入口控制读取温度或湿度
[ Author ]LZH
[ Data ]2016.06.22
================================================================*/
float ReadSht20(char whatdo);
float ReadSht20_Medium (void);
#else
#define SHT20_ADDRESS 0X40
#define Sht20_Reg_Write(DevAddr, RegData, rLen) I2C_Write(DevAddr, NULL, RegData, rLen)
#define Sht20_Read(DevAddr, RegAddr, rData, rLen) I2C_Read(DevAddr, RegAddr, rData, rLen)
#define Sht20_Delay(x)
void SHT20_reset(void);
#endif
void SHT20_GetValue(float *Tempreture, float *Humidity);
void SHT20Start(void);
void SHT20LoopHandler(void);
void SHT201mSRoutine(void);