no-OS
Functions | Variables
stm32_i3c.c File Reference

Implementation of stm32 I3C driver. More...

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "no_os_util.h"
#include "no_os_alloc.h"
#include "no_os_i3c.h"
#include "stm32_i3c.h"
Include dependency graph for stm32_i3c.c:

Functions

void HAL_I3C_TgtReqDynamicAddrCallback (I3C_HandleTypeDef *hi3c, uint64_t targetPayload)
 I3C target request a dynamic address callback. When called, assigns a dynamic address to the target. More...
 
void HAL_I3C_CtrlDAACpltCallback (I3C_HandleTypeDef *hi3c)
 Controller dynamic address assignment Complete callback. More...
 
void HAL_I3C_CtrlTxCpltCallback (I3C_HandleTypeDef *hi3c)
 Controller Transmit Complete callback. More...
 
void HAL_I3C_CtrlRxCpltCallback (I3C_HandleTypeDef *hi3c)
 Controller Reception Complete callback. More...
 
void HAL_I3C_ErrorCallback (I3C_HandleTypeDef *hi3c)
 
void HAL_I3C_CtrlMultipleXferCpltCallback (I3C_HandleTypeDef *hi3c)
 
void HAL_I3C_NotifyCallback (I3C_HandleTypeDef *hi3c, uint32_t eventId)
 
int stm32_i3c_init (struct no_os_i3c_desc *desc, const struct no_os_i3c_init_param *param)
 Initialize the I3C device. More...
 
int stm32_i3c_init_bus (struct no_os_i3c_bus_desc *desc, const struct no_os_i3c_bus_init_param *param)
 Initialize the I3C bus. More...
 
int stm32_i3c_do_daa (struct no_os_i3c_bus_desc *desc, bool rstdaa)
 Do I3C DAA to assign the dynamic addresses. More...
 
int stm32_i3c_remove (struct no_os_i3c_desc *desc)
 Free the resources allocated by stm32_i3c_init(). More...
 
int stm32_i3c_remove_bus (struct no_os_i3c_bus_desc *desc)
 Deinit I3C bus and free resources allocated by stm32_i3c_init_bus(). More...
 
int stm32_i3c_send_ccc (struct no_os_i3c_bus_desc *desc, uint8_t addr, uint8_t id, bool rnw, bool defining, uint8_t *data, uint8_t size)
 Send CCC as bus. Retrieve data is only valid for unicast commands. Multi frames are not supported such as: More...
 
int stm32_i3c_write (struct no_os_i3c_desc *desc, uint8_t *data, uint8_t data_len)
 I3C private write transaction as bus. More...
 
int stm32_i3c_read (struct no_os_i3c_desc *desc, uint8_t *data, uint8_t data_len)
 I3C private read transaction as bus. More...
 
int stm32_i3c_write_and_read (struct no_os_i3c_desc *desc, uint8_t *tx_data, uint8_t tx_data_len, uint8_t *rx_data, uint8_t rx_data_len)
 I3C private write and read transaction as bus. More...
 
int stm32_i3c_is_dev_ready (struct no_os_i3c_desc *desc)
 Check if I3C device is ready. More...
 
int stm32_i3c_conf_irq (struct no_os_i3c_bus_desc *desc, uint8_t irq, bool en)
 Configure I3C interrupts. More...
 
int stm32_i3c_get_ccc_info (struct no_os_i3c_bus_desc *desc, uint8_t irq)
 Update I3C CCC info. More...
 

Variables

const struct no_os_i3c_platform_ops stm32_i3c_ops
 stm32 platform specific I3C platform ops structure. More...
 

Detailed Description

Implementation of stm32 I3C driver.

Author
Jorge Marques (jorge.nosp@m..mar.nosp@m.ques@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

Copyright 2024(c) Analog Devices, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

◆ HAL_I3C_CtrlDAACpltCallback()

void HAL_I3C_CtrlDAACpltCallback ( I3C_HandleTypeDef *  hi3c)

Controller dynamic address assignment Complete callback.

Parameters
hi3c- Pointer to an I3C_HandleTypeDef structure that contains the configuration information for the specified I3C.

◆ HAL_I3C_CtrlMultipleXferCpltCallback()

void HAL_I3C_CtrlMultipleXferCpltCallback ( I3C_HandleTypeDef *  hi3c)

◆ HAL_I3C_CtrlRxCpltCallback()

void HAL_I3C_CtrlRxCpltCallback ( I3C_HandleTypeDef *  hi3c)

Controller Reception Complete callback.

Parameters
hi3c- Pointer to an I3C_HandleTypeDef structure that contains the configuration information for the specified I3C.

◆ HAL_I3C_CtrlTxCpltCallback()

void HAL_I3C_CtrlTxCpltCallback ( I3C_HandleTypeDef *  hi3c)

Controller Transmit Complete callback.

Parameters
hi3c- Pointer to an I3C_HandleTypeDef structure that contains the configuration information for the specified I3C.

◆ HAL_I3C_ErrorCallback()

void HAL_I3C_ErrorCallback ( I3C_HandleTypeDef *  hi3c)

◆ HAL_I3C_NotifyCallback()

void HAL_I3C_NotifyCallback ( I3C_HandleTypeDef *  hi3c,
uint32_t  eventId 
)

◆ HAL_I3C_TgtReqDynamicAddrCallback()

void HAL_I3C_TgtReqDynamicAddrCallback ( I3C_HandleTypeDef *  hi3c,
uint64_t  targetPayload 
)

I3C target request a dynamic address callback. When called, assigns a dynamic address to the target.

Parameters
hi3c- Pointer to an I3C_HandleTypeDef structure that contains the configuration information for the specified I3C.
targetPayload- The {BCR, DCR, PID} yielded by the device during the DAA.

◆ stm32_i3c_conf_irq()

int stm32_i3c_conf_irq ( struct no_os_i3c_bus_desc desc,
uint8_t  irq,
bool  en 
)

Configure I3C interrupts.

Parameters
desc- The I3C descriptor.
irq- The interrupt type to enable/disable.
en- 1 to enable, 0 to disable irq type.
Returns
0 in case of success, error code otherwise.

◆ stm32_i3c_do_daa()

int stm32_i3c_do_daa ( struct no_os_i3c_bus_desc desc,
bool  rstdaa 
)

Do I3C DAA to assign the dynamic addresses.

Parameters
desc- The I3C bus descriptor.
rstdaa- Unassigned the DA of devices already assigned.
Returns
0 in case of success, error code otherwise.

◆ stm32_i3c_get_ccc_info()

int stm32_i3c_get_ccc_info ( struct no_os_i3c_bus_desc desc,
uint8_t  irq 
)

Update I3C CCC info.

Parameters
desc- The I3C descriptor.
irq- The interrupt type to update the field.
Returns
0 in case of success, error code otherwise.

◆ stm32_i3c_init()

int stm32_i3c_init ( struct no_os_i3c_desc desc,
const struct no_os_i3c_init_param param 
)

Initialize the I3C device.

Parameters
desc- The I3C device descriptor.
param- The structure that contains the I3C parameters (unused).
Returns
0 in case of success, error code otherwise.

◆ stm32_i3c_init_bus()

int stm32_i3c_init_bus ( struct no_os_i3c_bus_desc desc,
const struct no_os_i3c_bus_init_param param 
)

Initialize the I3C bus.

Parameters
desc- The I3C bus descriptor.
param- The structure that contains the I3C parameters.
Returns
0 in case of success, error code otherwise.

◆ stm32_i3c_is_dev_ready()

int stm32_i3c_is_dev_ready ( struct no_os_i3c_desc desc)

Check if I3C device is ready.

Parameters
desc- The I3C descriptor.
Returns
0 in case of success, -EIO in case of error.

◆ stm32_i3c_read()

int stm32_i3c_read ( struct no_os_i3c_desc desc,
uint8_t *  data,
uint8_t  data_len 
)

I3C private read transaction as bus.

Parameters
desc- The I3C descriptor.
data- The buffer where received data is to be stored.
data_len- Number of bytes to receive.
Returns
0 in case of success, -EINVAL or -EIO otherwise.

◆ stm32_i3c_remove()

int stm32_i3c_remove ( struct no_os_i3c_desc desc)

Free the resources allocated by stm32_i3c_init().

Parameters
desc- The I3C device descriptor.
Returns
0 in case of success, -EINVAL otherwise.

◆ stm32_i3c_remove_bus()

int stm32_i3c_remove_bus ( struct no_os_i3c_bus_desc desc)

Deinit I3C bus and free resources allocated by stm32_i3c_init_bus().

Parameters
desc- The I3C bus descriptor.
Returns
0 in case of success, -EINVAL otherwise.

◆ stm32_i3c_send_ccc()

int stm32_i3c_send_ccc ( struct no_os_i3c_bus_desc desc,
uint8_t  addr,
uint8_t  id,
bool  rnw,
bool  defining,
uint8_t *  data,
uint8_t  size 
)

Send CCC as bus. Retrieve data is only valid for unicast commands. Multi frames are not supported such as:

  • Read CCCs with a defining bytes.
    Parameters
    desc- The I3C descriptor.
    addr- Address to send to.
    id- CCC ID.
    rnw- True if the CCC should retrieve data from the device.
    defining- Contain defining byte.
    data- The buffer with the data to transmit.
    size- Number of bytes in the buffer.
    Returns
    0 in case of success, error code otherwise.

◆ stm32_i3c_write()

int stm32_i3c_write ( struct no_os_i3c_desc desc,
uint8_t *  data,
uint8_t  data_len 
)

I3C private write transaction as bus.

Parameters
desc- The I3C descriptor.
data- The buffer with the data to transmit.
data_len- Number of bytes in the buffer.
Returns
0 in case of success, -EINVAL or -EIO otherwise.

◆ stm32_i3c_write_and_read()

int stm32_i3c_write_and_read ( struct no_os_i3c_desc desc,
uint8_t *  tx_data,
uint8_t  tx_data_len,
uint8_t *  rx_data,
uint8_t  rx_data_len 
)

I3C private write and read transaction as bus.

Parameters
desc- The I3C descriptor.
tx_data- The buffer with the transmitted data.
tx_data_len- Number of bytes to write.
rx_data- The buffer with the received data.
rx_data_len- Number of bytes to read.
Returns
0 in case of success, -EINVAL or -EIO otherwise.

Variable Documentation

◆ stm32_i3c_ops

const struct no_os_i3c_platform_ops stm32_i3c_ops
Initial value:
= {
.i3c_ops_init_bus = &stm32_i3c_init_bus,
.i3c_ops_init = &stm32_i3c_init,
.i3c_ops_do_daa = &stm32_i3c_do_daa,
.i3c_ops_send_ccc = &stm32_i3c_send_ccc,
.i3c_ops_write = &stm32_i3c_write,
.i3c_ops_read = &stm32_i3c_read,
.i3c_ops_write_and_read = &stm32_i3c_write_and_read,
.i3c_ops_remove_bus = &stm32_i3c_remove_bus,
.i3c_ops_remove = &stm32_i3c_remove,
.i3c_ops_is_dev_ready = &stm32_i3c_is_dev_ready,
.i3c_ops_conf_irq = &stm32_i3c_conf_irq,
.i3c_ops_get_ccc_info = &stm32_i3c_get_ccc_info,
}

stm32 platform specific I3C platform ops structure.

STM32 specific I3C platform ops structure.

stm32_i3c_conf_irq
int stm32_i3c_conf_irq(struct no_os_i3c_bus_desc *desc, uint8_t irq, bool en)
Configure I3C interrupts.
Definition: stm32_i3c.c:566
stm32_i3c_init_bus
int stm32_i3c_init_bus(struct no_os_i3c_bus_desc *desc, const struct no_os_i3c_bus_init_param *param)
Initialize the I3C bus.
Definition: stm32_i3c.c:205
stm32_i3c_read
int stm32_i3c_read(struct no_os_i3c_desc *desc, uint8_t *data, uint8_t data_len)
I3C private read transaction as bus.
Definition: stm32_i3c.c:461
stm32_i3c_send_ccc
int stm32_i3c_send_ccc(struct no_os_i3c_bus_desc *desc, uint8_t addr, uint8_t id, bool rnw, bool defining, uint8_t *data, uint8_t size)
Send CCC as bus. Retrieve data is only valid for unicast commands. Multi frames are not supported suc...
Definition: stm32_i3c.c:323
stm32_i3c_remove
int stm32_i3c_remove(struct no_os_i3c_desc *desc)
Free the resources allocated by stm32_i3c_init().
Definition: stm32_i3c.c:274
stm32_i3c_get_ccc_info
int stm32_i3c_get_ccc_info(struct no_os_i3c_bus_desc *desc, uint8_t irq)
Update I3C CCC info.
Definition: stm32_i3c.c:607
stm32_i3c_remove_bus
int stm32_i3c_remove_bus(struct no_os_i3c_bus_desc *desc)
Deinit I3C bus and free resources allocated by stm32_i3c_init_bus().
Definition: stm32_i3c.c:292
stm32_i3c_write_and_read
int stm32_i3c_write_and_read(struct no_os_i3c_desc *desc, uint8_t *tx_data, uint8_t tx_data_len, uint8_t *rx_data, uint8_t rx_data_len)
I3C private write and read transaction as bus.
Definition: stm32_i3c.c:503
stm32_i3c_init
int stm32_i3c_init(struct no_os_i3c_desc *desc, const struct no_os_i3c_init_param *param)
Initialize the I3C device.
Definition: stm32_i3c.c:176
stm32_i3c_is_dev_ready
int stm32_i3c_is_dev_ready(struct no_os_i3c_desc *desc)
Check if I3C device is ready.
Definition: stm32_i3c.c:545
stm32_i3c_do_daa
int stm32_i3c_do_daa(struct no_os_i3c_bus_desc *desc, bool rstdaa)
Do I3C DAA to assign the dynamic addresses.
Definition: stm32_i3c.c:249
stm32_i3c_write
int stm32_i3c_write(struct no_os_i3c_desc *desc, uint8_t *data, uint8_t data_len)
I3C private write transaction as bus.
Definition: stm32_i3c.c:419