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File EMC2305.h

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  • #include <stdint.h>
  • #include "stm32xx_hal.h"
  • #include "FreeRTOS.h"

Classes

Type Name
struct EMC2305_Fan_Config1
struct EMC2305_Fan_Config2
struct EMC2305_Fan_Status
struct EMC2305_Global_Config
struct EMC2305_HandleTypeDef
struct EMC2305_I2C_Message

Public Types

Type Name
enum EMC2305_DPT
enum EMC2305_EDG
enum EMC2305_ERG
enum EMC2305_Fan
enum EMC2305_I2C_OP
enum EMC2305_PID_Gain
enum EMC2305_PWM_BaseFreq
enum EMC2305_RNG
enum EMC2305_Status
enum EMC2305_UDT

Public Functions

Type Name
EMC2305_Status EMC2305_EnableSWLock (EMC2305_HandleTypeDef * chip)
Software locks all SWL registers. SWL registers are now read-only until power cycle.
uint8_t EMC2305_GetFanPWM (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan)
Gets current fan driver PWM duty cycle.
uint16_t EMC2305_GetFanRPM (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan)
Gets current fan RPM based on tachometer measurement.
EMC2305_Fan_Status EMC2305_GetFanStatus (EMC2305_HandleTypeDef * chip)
Gets current fan status for all drivers.
void EMC2305_I2C_MasterRxCpltCallback (I2C_HandleTypeDef * hi2c)
void EMC2305_I2C_MasterTxCpltCallback (I2C_HandleTypeDef * hi2c)
void EMC2305_I2C_Worker_Task (void * pvParameters)
EMC2305_Status EMC2305_Init (EMC2305_HandleTypeDef * chip, I2C_HandleTypeDef * hi2c, uint16_t dev_addr)
Initializes the I2C bus and validates the chip by reading the Product ID and Manufacturer ID.
EMC2305_Status EMC2305_ReadReg (EMC2305_HandleTypeDef * chip, uint8_t reg, uint8_t * data)
Reads a byte of data from the specified register.
EMC2305_Status EMC2305_SetFanConfig (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan, EMC2305_Fan_Config1 * config1, EMC2305_Fan_Config2 * config2)
Sets the EMC2305 configuration 1 and 2 registers based on the provided config.
EMC2305_Status EMC2305_SetFanPWM (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan, uint8_t duty_cycle)
Sets the PWM drive of the specified fan directly. Works only with fan speed control (FSC) disabled.
EMC2305_Status EMC2305_SetFanRPM (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan, uint16_t rpm_target)
Sets the RPM target for the control algorithm. Works only with fan speed control (FSC) enabled.
EMC2305_Status EMC2305_SetGlobalConfig (EMC2305_HandleTypeDef * chip, EMC2305_Global_Config * config)
Sets the EMC2305 global configuration register based on provided config.
EMC2305_Status EMC2305_SetPWMBaseFrequency (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan, EMC2305_PWM_BaseFreq freq)
Sets the base frequency of the specified fan's PWM driver.
EMC2305_Status EMC2305_SetPWMOutputMode (EMC2305_HandleTypeDef * chip, EMC2305_Fan fan, bool open_drain)
Sets the specified fan's PWM driver to open-drain or push-pull.
EMC2305_Status EMC2305_WriteReg (EMC2305_HandleTypeDef * chip, uint8_t reg, uint8_t data)
Writes a byte of data to the specified register.

Macros

Type Name
define EMC2305_CFG_DIS_TO (1u &lt;&lt; 6) /\* DIS\_TO - SMBus timeout disable (I2C compat) \*/
define EMC2305_CFG_DRECK (1u &lt;&lt; 1) /\* DRECK - CLK pin drives internal clock when set (output) \*/
define EMC2305_CFG_MASK_ALERT (1u &lt;&lt; 7) /\* MASK - mask ALERT pin when set \*/
define EMC2305_CFG_USECK (1u &lt;&lt; 0) /\* USECK - use external CLK pin as tach clock when set \*/
define EMC2305_CFG_WD_EN (1u &lt;&lt; 5) /\* WD\_EN - enable watchdog continuous mode \*/
define EMC2305_CONFIG1_EDG_SHIFT 3u
define EMC2305_CONFIG1_ENAG_SHIFT 7u
define EMC2305_CONFIG1_RNG_SHIFT 5u
define EMC2305_CONFIG1_UDT_SHIFT 0u
define EMC2305_CONFIG2_DPT_SHIFT 3u
define EMC2305_CONFIG2_ENRC_SHIFT 6u
define EMC2305_CONFIG2_ERG_SHIFT 1u
define EMC2305_CONFIG2_GHEN_SHIFT 5u
define EMC2305_FAN1_MASK (1u &lt;&lt; 0)
define EMC2305_FAN2_MASK (1u &lt;&lt; 1)
define EMC2305_FAN3_MASK (1u &lt;&lt; 2)
define EMC2305_FAN4_MASK (1u &lt;&lt; 3)
define EMC2305_FAN5_MASK (1u &lt;&lt; 4)
define EMC2305_FAN_ADDRESS_OFFSET 0x10u
define EMC2305_FAN_REG_ADDR (fan_num, fan1_reg_addr) ((fan1\_reg\_addr) + ((fan\_num) \* [**EMC2305\_FAN\_ADDRESS\_OFFSET**](EMC2305_8h.md#define-emc2305_fan_address_offset)))
Calculates the register address for a specific fan (N) based on the Fan 1 register address and known offset.
define EMC2305_I2C_TIMEOUT 100u
define EMC2305_INVALID_FAN (fan_num) (fan &lt; EMC2305\_FAN1 \|\| fan &gt; EMC2305\_FAN5)
define EMC2305_MAX_RPM 16000
define EMC2305_MIN_RPM 500
define EMC2305_PWM_FAN1_MASK 0x03u
define EMC2305_PWM_FAN1_SHIFT 0u
define EMC2305_PWM_FAN2_MASK 0x0Cu
define EMC2305_PWM_FAN2_SHIFT 2u
define EMC2305_PWM_FAN3_MASK 0x30u
define EMC2305_PWM_FAN3_SHIFT 4u
define EMC2305_PWM_FAN4_MASK 0x03u
define EMC2305_PWM_FAN4_SHIFT 0u
define EMC2305_PWM_FAN5_MASK 0x0Cu
define EMC2305_PWM_FAN5_SHIFT 2u
define EMC2305_QUEUE_ITEM_SIZE sizeof([**EMC2305\_I2C\_Message**](structEMC2305__I2C__Message.md))
define EMC2305_QUEUE_LENGTH 10
define EMC2305_REG_CONFIGURATION 0x20u
define EMC2305_REG_DRIVE_FAIL_STATUS 0x27u
define EMC2305_REG_FAN1_CONFIG1 0x32u
define EMC2305_REG_FAN1_CONFIG2 0x33u
define EMC2305_REG_FAN1_DRVFAIL_H 0x3Bu
define EMC2305_REG_FAN1_DRVFAIL_L 0x3Au
define EMC2305_REG_FAN1_MAX_STEP 0x37u
define EMC2305_REG_FAN1_MIN_DRIVE 0x38u
define EMC2305_REG_FAN1_SETTING 0x30u
define EMC2305_REG_FAN1_SPIN 0x36u
define EMC2305_REG_FAN1_TACH_READING_H 0x3Eu
define EMC2305_REG_FAN1_TACH_READING_L 0x3Fu
define EMC2305_REG_FAN1_TACH_TARGET_H 0x3Du
define EMC2305_REG_FAN1_TACH_TARGET_L 0x3Cu
define EMC2305_REG_FAN1_VALID_TACH 0x39u
define EMC2305_REG_FAN_INTERRUPT_ENABLE 0x29u
define EMC2305_REG_FAN_SPIN_STATUS 0x26u
define EMC2305_REG_FAN_STALL_STATUS 0x25u
define EMC2305_REG_FAN_STATUS 0x24u
define EMC2305_REG_GAIN1 0x35u
define EMC2305_REG_MANUFACTURER_ID 0xFEu
define EMC2305_REG_PRODUCT_FEAT 0xFCu
define EMC2305_REG_PRODUCT_ID 0xFDu
define EMC2305_REG_PWM1_DIVIDE 0x31u
define EMC2305_REG_PWM_BASEF123 0x2Du
define EMC2305_REG_PWM_BASEF45 0x2Cu
define EMC2305_REG_PWM_OUTPUT_CONFIG 0x2Bu
define EMC2305_REG_PWM_POLARITY 0x2Au
define EMC2305_REG_REVISION 0xFFu
define EMC2305_REG_SW_LOCK 0xEFu
define EMC2305_SEMAPHORE_POOL_SIZE [**EMC2305\_QUEUE\_LENGTH**](EMC2305_8h.md#define-emc2305_queue_length)
define EMC2305_STAT_DRVFAIL (1u &lt;&lt; 2) /\* Drive fail summary \*/
define EMC2305_STAT_FNSPIN (1u &lt;&lt; 1) /\* spin-up failure summary \*/
define EMC2305_STAT_FNSTL (1u &lt;&lt; 0) /\* stall summary \*/
define EMC2305_STAT_WATCH (1u &lt;&lt; 7) /\* WATCH - watchdog fired (read-to-clear) \*/
define EMC2305_SWL (1u &lt;&lt; 0)
define EMC2305_TACH_MULT 2u
define EMC2305_TACH_RPM_CONV 3932160u

Public Types Documentation

enum EMC2305_DPT

enum EMC2305_DPT {
    EMC2305_DPT_NONE = 0b00,
    EMC2305_DPT_BASIC = 0b01,
    EMC2305_DPT_STEP = 0b10,
    EMC2305_DPT_BOTH = 0b11
};

enum EMC2305_EDG

enum EMC2305_EDG {
    EMC2305_EDG_9 = 0b11,
    EMC2305_EDG_7 = 0b10,
    EMC2305_EDG_5 = 0b01,
    EMC2305_EDG_3 = 0b00
};

enum EMC2305_ERG

enum EMC2305_ERG {
    EMC2305_ERG_0RPM = 0b00,
    EMC2305_ERG_50RPM = 0b01,
    EMC2305_ERG_100RPM = 0b10,
    EMC2305_ERG_200RPM = 0b11
};

enum EMC2305_Fan

enum EMC2305_Fan {
    EMC2305_FAN1,
    EMC2305_FAN2,
    EMC2305_FAN3,
    EMC2305_FAN4,
    EMC2305_FAN5
};

enum EMC2305_I2C_OP

enum EMC2305_I2C_OP {
    EMC2305_OP_WRITE,
    EMC2305_OP_READ
};

enum EMC2305_PID_Gain

enum EMC2305_PID_Gain {
    EMC2305_PID_8X = 0b11,
    EMC2305_PID_4X = 0b10,
    EMC2305_PID_2X = 0b01,
    EMC2305_PID_1X = 0b00
};

enum EMC2305_PWM_BaseFreq

enum EMC2305_PWM_BaseFreq {
    EMC2305_PWM_2k441 = 0b11,
    EMC2305_PWM_4k882 = 0b10,
    EMC2305_PWM_19k53 = 0b01,
    EMC2305_PWM_26k00 = 0b00
};

enum EMC2305_RNG

enum EMC2305_RNG {
    EMC2305_RNG_4000 = 0b11,
    EMC2305_RNG_2000 = 0b10,
    EMC2305_RNG_1000 = 0b01,
    EMC2305_RNG_500 = 0b00
};

enum EMC2305_Status

enum EMC2305_Status {
    EMC2305_OK,
    EMC2305_ERR
};

enum EMC2305_UDT

enum EMC2305_UDT {
    EMC2305_UDT_100 = 0b000,
    EMC2305_UDT_200 = 0b001,
    EMC2305_UDT_300 = 0b010,
    EMC2305_UDT_400 = 0b011,
    EMC2305_UDT_500 = 0b100,
    EMC2305_UDT_800 = 0b101,
    EMC2305_UDT_1200 = 0b110,
    EMC2305_UDT_1600 = 0b111
};

Public Functions Documentation

function EMC2305_EnableSWLock

Software locks all SWL registers. SWL registers are now read-only until power cycle. 

EMC2305_Status EMC2305_EnableSWLock (
    EMC2305_HandleTypeDef * chip
)

Parameters:

  • chip EMC2305 to lock

Returns:

OK if successful, ERR otherwise

function EMC2305_GetFanPWM

Gets current fan driver PWM duty cycle. 

uint8_t EMC2305_GetFanPWM (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan
)

Parameters:

  • chip EMC2305 to get
  • fan Fan to get (1-5)

Returns:

Driven fan PWM duty cycle (0-100). UINT8_MAX on error

function EMC2305_GetFanRPM

Gets current fan RPM based on tachometer measurement. 

uint16_t EMC2305_GetFanRPM (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan
)

Parameters:

  • chip EMC2305 to get
  • fan Fan to get (1-5)

Returns:

Measured fan RPM. UINT16_MAX on error

function EMC2305_GetFanStatus

Gets current fan status for all drivers. 

EMC2305_Fan_Status EMC2305_GetFanStatus (
    EMC2305_HandleTypeDef * chip
)

Parameters:

  • chip EMC2305 to get

Returns:

Fan status for all drivers

function EMC2305_I2C_MasterRxCpltCallback

void EMC2305_I2C_MasterRxCpltCallback (
    I2C_HandleTypeDef * hi2c
)

function EMC2305_I2C_MasterTxCpltCallback

void EMC2305_I2C_MasterTxCpltCallback (
    I2C_HandleTypeDef * hi2c
)

function EMC2305_I2C_Worker_Task

void EMC2305_I2C_Worker_Task (
    void * pvParameters
)

function EMC2305_Init

Initializes the I2C bus and validates the chip by reading the Product ID and Manufacturer ID. 

EMC2305_Status EMC2305_Init (
    EMC2305_HandleTypeDef * chip,
    I2C_HandleTypeDef * hi2c,
    uint16_t dev_addr
)

Parameters:

  • chip EMC2305 to initialize
  • hi2c STM32 HAL I2C handle
  • dev_addr Device address (7-bit address << 1)

Returns:

OK if successful, ERR otherwise

function EMC2305_ReadReg

Reads a byte of data from the specified register. 

EMC2305_Status EMC2305_ReadReg (
    EMC2305_HandleTypeDef * chip,
    uint8_t reg,
    uint8_t * data
)

Parameters:

  • chip EMC2305 handle
  • reg Register to read from
  • data Pointer where register data will be stored

Returns:

OK if successful, ERR if message queue is full

function EMC2305_SetFanConfig

Sets the EMC2305 configuration 1 and 2 registers based on the provided config. 

EMC2305_Status EMC2305_SetFanConfig (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan,
    EMC2305_Fan_Config1 * config1,
    EMC2305_Fan_Config2 * config2
)

Parameters:

  • chip EMC2305 to set
  • fan Fan to set (1-5)
  • config1 Configuration for register 1
  • config2 Configuration for register 2

Returns:

OK if successful, ERR otherwise

function EMC2305_SetFanPWM

Sets the PWM drive of the specified fan directly. Works only with fan speed control (FSC) disabled. 

EMC2305_Status EMC2305_SetFanPWM (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan,
    uint8_t duty_cycle
)

Parameters:

  • chip EMC2305 to set
  • fan Fan to set (1-5)
  • duty_cycle PWM duty cycle percentage (0 to 100)

Returns:

OK if successful, ERR otherwise

function EMC2305_SetFanRPM

Sets the RPM target for the control algorithm. Works only with fan speed control (FSC) enabled. 

EMC2305_Status EMC2305_SetFanRPM (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan,
    uint16_t rpm_target
)

Parameters:

  • chip EMC2305 to set
  • fan Fan to set (1-5)
  • rpm_target RPM target to set (500 to 16k)

Returns:

OK if successful, ERR otherwise

function EMC2305_SetGlobalConfig

Sets the EMC2305 global configuration register based on provided config. 

EMC2305_Status EMC2305_SetGlobalConfig (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Global_Config * config
)

Parameters:

  • chip EMC2305 to configure
  • config Global configuration to use

Returns:

OK if successful, ERR otherwise

function EMC2305_SetPWMBaseFrequency

Sets the base frequency of the specified fan's PWM driver. 

EMC2305_Status EMC2305_SetPWMBaseFrequency (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan,
    EMC2305_PWM_BaseFreq freq
)

Parameters:

  • chip EMC2305 to set
  • fan Fan to set (1-5)
  • freq Base frequency as specified in Section 6.10

Returns:

OK if successful, ERR otherwise

function EMC2305_SetPWMOutputMode

Sets the specified fan's PWM driver to open-drain or push-pull. 

EMC2305_Status EMC2305_SetPWMOutputMode (
    EMC2305_HandleTypeDef * chip,
    EMC2305_Fan fan,
    bool open_drain
)

Parameters:

  • chip EMC2305 to set
  • fan Fan to set (1-5)
  • open_drain Set to true for open-drain (only driven low, requires pullup) or false for push-pull (driven high and low, no pullup)

Returns:

OK if successful, ERR otherwise

function EMC2305_WriteReg

Writes a byte of data to the specified register. 

EMC2305_Status EMC2305_WriteReg (
    EMC2305_HandleTypeDef * chip,
    uint8_t reg,
    uint8_t data
)

Parameters:

  • chip EMC2305 handle
  • reg Register to write to
  • data Data to write

Returns:

OK if successful, ERR if message queue is full

Macro Definition Documentation

define EMC2305_CFG_DIS_TO

#define EMC2305_CFG_DIS_TO `(1u << 6)  /* DIS_TO - SMBus timeout disable (I2C compat) */`

define EMC2305_CFG_DRECK

#define EMC2305_CFG_DRECK `(1u << 1)  /* DRECK - CLK pin drives internal clock when set (output) */`

define EMC2305_CFG_MASK_ALERT

#define EMC2305_CFG_MASK_ALERT `(1u << 7)  /* MASK - mask ALERT pin when set */`

define EMC2305_CFG_USECK

#define EMC2305_CFG_USECK `(1u << 0)  /* USECK - use external CLK pin as tach clock when set */`

define EMC2305_CFG_WD_EN

#define EMC2305_CFG_WD_EN `(1u << 5)  /* WD_EN - enable watchdog continuous mode */`

define EMC2305_CONFIG1_EDG_SHIFT

#define EMC2305_CONFIG1_EDG_SHIFT `3u`

define EMC2305_CONFIG1_ENAG_SHIFT

#define EMC2305_CONFIG1_ENAG_SHIFT `7u`

define EMC2305_CONFIG1_RNG_SHIFT

#define EMC2305_CONFIG1_RNG_SHIFT `5u`

define EMC2305_CONFIG1_UDT_SHIFT

#define EMC2305_CONFIG1_UDT_SHIFT `0u`

define EMC2305_CONFIG2_DPT_SHIFT

#define EMC2305_CONFIG2_DPT_SHIFT `3u`

define EMC2305_CONFIG2_ENRC_SHIFT

#define EMC2305_CONFIG2_ENRC_SHIFT `6u`

define EMC2305_CONFIG2_ERG_SHIFT

#define EMC2305_CONFIG2_ERG_SHIFT `1u`

define EMC2305_CONFIG2_GHEN_SHIFT

#define EMC2305_CONFIG2_GHEN_SHIFT `5u`

define EMC2305_FAN1_MASK

#define EMC2305_FAN1_MASK `(1u << 0)`

define EMC2305_FAN2_MASK

#define EMC2305_FAN2_MASK `(1u << 1)`

define EMC2305_FAN3_MASK

#define EMC2305_FAN3_MASK `(1u << 2)`

define EMC2305_FAN4_MASK

#define EMC2305_FAN4_MASK `(1u << 3)`

define EMC2305_FAN5_MASK

#define EMC2305_FAN5_MASK `(1u << 4)`

define EMC2305_FAN_ADDRESS_OFFSET

#define EMC2305_FAN_ADDRESS_OFFSET `0x10u`

define EMC2305_FAN_REG_ADDR

Calculates the register address for a specific fan (N) based on the Fan 1 register address and known offset. 

#define EMC2305_FAN_REG_ADDR (
    fan_num,
    fan1_reg_addr
) `((fan1_reg_addr) + ((fan_num) * EMC2305_FAN_ADDRESS_OFFSET ))`

Parameters:

  • fan_num The fan number (0-4 to match fan enum).
  • fan1_reg_addr The address of the corresponding Fan 1 register (base)

Returns:

The calculated register address for Fan N.

define EMC2305_I2C_TIMEOUT

#define EMC2305_I2C_TIMEOUT `100u`

define EMC2305_INVALID_FAN

#define EMC2305_INVALID_FAN (
    fan_num
) `(fan < EMC2305_FAN1 || fan > EMC2305_FAN5 )`

define EMC2305_MAX_RPM

#define EMC2305_MAX_RPM `16000`

define EMC2305_MIN_RPM

#define EMC2305_MIN_RPM `500`

define EMC2305_PWM_FAN1_MASK

#define EMC2305_PWM_FAN1_MASK `0x03u`

define EMC2305_PWM_FAN1_SHIFT

#define EMC2305_PWM_FAN1_SHIFT `0u`

define EMC2305_PWM_FAN2_MASK

#define EMC2305_PWM_FAN2_MASK `0x0Cu`

define EMC2305_PWM_FAN2_SHIFT

#define EMC2305_PWM_FAN2_SHIFT `2u`

define EMC2305_PWM_FAN3_MASK

#define EMC2305_PWM_FAN3_MASK `0x30u`

define EMC2305_PWM_FAN3_SHIFT

#define EMC2305_PWM_FAN3_SHIFT `4u`

define EMC2305_PWM_FAN4_MASK

#define EMC2305_PWM_FAN4_MASK `0x03u`

define EMC2305_PWM_FAN4_SHIFT

#define EMC2305_PWM_FAN4_SHIFT `0u`

define EMC2305_PWM_FAN5_MASK

#define EMC2305_PWM_FAN5_MASK `0x0Cu`

define EMC2305_PWM_FAN5_SHIFT

#define EMC2305_PWM_FAN5_SHIFT `2u`

define EMC2305_QUEUE_ITEM_SIZE

#define EMC2305_QUEUE_ITEM_SIZE `sizeof( EMC2305_I2C_Message )`

define EMC2305_QUEUE_LENGTH

#define EMC2305_QUEUE_LENGTH `10`

define EMC2305_REG_CONFIGURATION

#define EMC2305_REG_CONFIGURATION `0x20u`

define EMC2305_REG_DRIVE_FAIL_STATUS

#define EMC2305_REG_DRIVE_FAIL_STATUS `0x27u`

define EMC2305_REG_FAN1_CONFIG1

#define EMC2305_REG_FAN1_CONFIG1 `0x32u`

define EMC2305_REG_FAN1_CONFIG2

#define EMC2305_REG_FAN1_CONFIG2 `0x33u`

define EMC2305_REG_FAN1_DRVFAIL_H

#define EMC2305_REG_FAN1_DRVFAIL_H `0x3Bu`

define EMC2305_REG_FAN1_DRVFAIL_L

#define EMC2305_REG_FAN1_DRVFAIL_L `0x3Au`

define EMC2305_REG_FAN1_MAX_STEP

#define EMC2305_REG_FAN1_MAX_STEP `0x37u`

define EMC2305_REG_FAN1_MIN_DRIVE

#define EMC2305_REG_FAN1_MIN_DRIVE `0x38u`

define EMC2305_REG_FAN1_SETTING

#define EMC2305_REG_FAN1_SETTING `0x30u`

define EMC2305_REG_FAN1_SPIN

#define EMC2305_REG_FAN1_SPIN `0x36u`

define EMC2305_REG_FAN1_TACH_READING_H

#define EMC2305_REG_FAN1_TACH_READING_H `0x3Eu`

define EMC2305_REG_FAN1_TACH_READING_L

#define EMC2305_REG_FAN1_TACH_READING_L `0x3Fu`

define EMC2305_REG_FAN1_TACH_TARGET_H

#define EMC2305_REG_FAN1_TACH_TARGET_H `0x3Du`

define EMC2305_REG_FAN1_TACH_TARGET_L

#define EMC2305_REG_FAN1_TACH_TARGET_L `0x3Cu`

define EMC2305_REG_FAN1_VALID_TACH

#define EMC2305_REG_FAN1_VALID_TACH `0x39u`

define EMC2305_REG_FAN_INTERRUPT_ENABLE

#define EMC2305_REG_FAN_INTERRUPT_ENABLE `0x29u`

define EMC2305_REG_FAN_SPIN_STATUS

#define EMC2305_REG_FAN_SPIN_STATUS `0x26u`

define EMC2305_REG_FAN_STALL_STATUS

#define EMC2305_REG_FAN_STALL_STATUS `0x25u`

define EMC2305_REG_FAN_STATUS

#define EMC2305_REG_FAN_STATUS `0x24u`

define EMC2305_REG_GAIN1

#define EMC2305_REG_GAIN1 `0x35u`

define EMC2305_REG_MANUFACTURER_ID

#define EMC2305_REG_MANUFACTURER_ID `0xFEu`

define EMC2305_REG_PRODUCT_FEAT

#define EMC2305_REG_PRODUCT_FEAT `0xFCu`

define EMC2305_REG_PRODUCT_ID

#define EMC2305_REG_PRODUCT_ID `0xFDu`

define EMC2305_REG_PWM1_DIVIDE

#define EMC2305_REG_PWM1_DIVIDE `0x31u`

define EMC2305_REG_PWM_BASEF123

#define EMC2305_REG_PWM_BASEF123 `0x2Du`

define EMC2305_REG_PWM_BASEF45

#define EMC2305_REG_PWM_BASEF45 `0x2Cu`

define EMC2305_REG_PWM_OUTPUT_CONFIG

#define EMC2305_REG_PWM_OUTPUT_CONFIG `0x2Bu`

define EMC2305_REG_PWM_POLARITY

#define EMC2305_REG_PWM_POLARITY `0x2Au`

define EMC2305_REG_REVISION

#define EMC2305_REG_REVISION `0xFFu`

define EMC2305_REG_SW_LOCK

#define EMC2305_REG_SW_LOCK `0xEFu`

define EMC2305_SEMAPHORE_POOL_SIZE

#define EMC2305_SEMAPHORE_POOL_SIZE `EMC2305_QUEUE_LENGTH`

define EMC2305_STAT_DRVFAIL

#define EMC2305_STAT_DRVFAIL `(1u << 2)  /* Drive fail summary */`

define EMC2305_STAT_FNSPIN

#define EMC2305_STAT_FNSPIN `(1u << 1)  /* spin-up failure summary */`

define EMC2305_STAT_FNSTL

#define EMC2305_STAT_FNSTL `(1u << 0)  /* stall summary */`

define EMC2305_STAT_WATCH

#define EMC2305_STAT_WATCH `(1u << 7)  /* WATCH - watchdog fired (read-to-clear) */`

define EMC2305_SWL

#define EMC2305_SWL `(1u << 0)`

define EMC2305_TACH_MULT

#define EMC2305_TACH_MULT `2u`

define EMC2305_TACH_RPM_CONV

#define EMC2305_TACH_RPM_CONV `3932160u`

The documentation for this class was generated from the following file driver/Inc/EMC2305.h