I2c xiic c. * Supported frequencies are 100KHz, 400KHz and 1MHz.

Embedded Linux; Like; I work on the ZC702 Board, and i use an Axi I2c bus. The zc Board is the master for the i2c bus and communicates with a MCP3428 ADC. More int XIic_Start (XIic *InstancePtr) This function starts the IIC device and driver by enabling the proper interrupts such that data may be sent and received on the IIC bus. Normaly I find example codes in the directory C:\Xilinx\SDK\2016. c * struct xiic_i2c - Internal representation of the XIIC I2C bus * @base: Memory base of the HW registers * @wait: Wait queue for callers Hi all, I'm using an Enclustra Mars ZX3 FPGA module with a Zynq 7020 SoC, with custom hardware attached. dfa73e8 - i2c: xiic: Add smbus_block_read functionality 3c9fedf - i2c: xiic: Correct the datatype for rx_watermark. More int XIic_DynMasterRecv (XIic *InstancePtr, u8 *RxMsgPtr, u8 ByteCount) // SPDX-License-Identifier: GPL-2. c Working on our latest product I'm working on a problem with the i2c bus under linux (PicoZed arch) After an indeterminate the i2c bus gets stuck in a busy state, i. narayanam@xxxxxxxxxx> >From 'clock-frequency' device tree property, configure I2C SCL frequency by calculating the timing register values according to Which header file is used the define these functions? The axi_iic appears as i2c-1 Basic testing response below ls /dev/*i2c* /dev/i2c-0 /dev/i2c-1 i2cdetect -l gives i2c-0 i2c Cadence I2C at e0005000 I2C adapter i2c-1 i2c xiic-i2c I2C adapter And finally i2cdetect -F 1 Functionalities implemented by /dev/i2c-1: I2C yes SMBus Quick Command yes Hi all, I'm working with Spartan 3E Starter board. c invokes devm_request_threaded_irq from the probe function. e "XIIC_SR_BUS_BUSY_MASK 0x04 /* 1 = bus is busy */" gets stuck on in the register (see driver "xiic-i2c"). 00a mta 02/20/06 Created. 7 bit slave address, send the address for a read Removed a compiler warning in XIic_Send 2. </p><p> </p><p>I&#39;m moving away from using the PS I2C0 bus in favour of a dedicated AXI_IIC peripheral, for reliability and hardware connection // SPDX-License-Identifier: GPL-2. . c i2c-1 i2c Cadence I2C at e0005000 I2C adapter i2c - 0 i2c xiic - i2c I2C adapter root@CustBoard ~ # i2cdetect -y -r 1 U-boot for Microchip SoC (aka AT91) . c The SDA and SCL of the AXI I2C is attached to package pins AJ18 and AJ14, respectively. Based on the “xiic_slave_example. h was an inbuilt module and that if I were to type -&gt; #include &quot;xiic. c” I could receive some bytes with the iic-module. Hi, I'm currently debugging the AXI IIC driver for Linux (linux version 6. User interface functions * */ XIic IicInstance; // Declare the I2C instance as a global variable // Function to initialize the I2C communication BME68X_INTF_RET_TYPE Hello, I am writing because of a problem we are experiencing programming the I2C Bus Switch on out VC707. Hi all, I created a block design with a Microblaze and an AXI I2C: I don't use interrupts because it is just a design to configure a chip (writing once to its internal flash), so it is part of bringing-up a new board. 6a0bb6c - i2c: xiic: Switch to Xiic standard mode for i2c-read Browse the source of linux v6. Leveraging the data provided I came up with this to communicate with the Sign in. path: root/drivers/i2c/busses/i2c-xiic. simek@xilinx. 00a sdm 09/22/09 Updated to use the HAL APIs, replaced call to XIic_Initialize API with XIic_LookupConfig and XIic_CfgInitialize. put the address of the internal register and the data into one array 2. c As shown below in hardware definition: The problem is: My slave only receives 1 byte of address to the buffer and then throttled the SDA line. You signed in with another tab or window. I am communicating with multiple MAX9611 I2C chips on my I2C bus. enum xilinx_i2c_state: Enumerator: STATE_DONE : STATE_ERROR : STATE_START : I am seeing run time kernel warnings when the i2c-xiic. c On Mon, Jan 27, 2020 at 4:46 PM Colin King <colin. c AXI IIC supports all features, except high speed mode, of the Philips I2C-Bus Specification. * Sets the send callback function, the send handler, which the driver calls when It immediately jumps into a stub handler, since several function pointers (XIic_ArbLostFuncPtr and XIic_BusNotBusyFuncPtr) have not been set by XIic_MasterSend. Anybody knows the reason for this? From: Randy Dunlap <randy. 00a sv 05/09/05 Initial release for TestApp integration. </p><p> </p><p>When I have tried to build the application program From: Krzysztof Kozlowski <krzk@kernel. Contribute to linux4sam/u-boot-at91 development by creating an account on GitHub. c Can someone point me relavant changes needed to work with i2c-xiic. It's absolutely certain that ONLY full-time professionals would ever be able to justify spending that amount of money on a single piece of equipment, and yet those full-time professionals are unlikely to need/read a beginners article like yours. c Sep 20, 2016 · Thanks for your reply Mark. Apr 30, 2024 · 3c9fedf - i2c: xiic: Correct the datatype for rx_watermark. static int xiic_i2c_probe ( struct platform_device * pdev ) Jun 1, 2021 · In xilinx_i2c. 7. But fixes are: - Incorrect indetation - Missing blank line after variable declaration Hello, I am trying to implement an I2C-Slave (AXI IIC) in a Zynq device. cos / third_party / kernel / 1bab8d4c488be22d57f9dd09968c90a0ddc413bf / . 6a0bb6c - i2c: xiic: Switch to Xiic standard mode for i2c-read Jun 4, 2024 · xiic_selftest_example. The request is sent, and the ADC send correctly the data, but nothing is saved in the receive buffer My I2c block has no receive FIFO and is correctly configured since everything else works (I watch the data transfer on an oscilloscope). b8caf0a - i2c: xiic: Add platform module alias. Hello, I got things working. org> To: Nicolas Saenz Julienne <nsaenzjulienne@suse. ps7-i2c: timeout waiting on completion At each "timeout" message, the program blocks for two seconds. c". Respectfully, my point was that I think you're completely missing your own audience. I am running a C++ application (from Vitis) on the R5 that reads the IMU data. For details, see xiic_eeprom_example. c * */ /* * helloworld. com>, Sekhar Nori <nsekhar@ti. In my design I need to use I2C bus. It was my understanding that xiic. IICPS slave monitor mode example: xiicps_slave_monitor_example. as shown below: Device address is 0x18 and then register address of 2 byte 0x39A, however receive buffer stores only '3' and then stops the data bus from sending further. Contribute to Xilinx/linux-xlnx development by creating an account on GitHub. c hardware (signal) interface, software (register) interface, and parameterization options for the AXI IIC Bus Interface module. The XIic driver uses the complete FIFO functionality to transmit/receive data. Blocks forever). de>, Florian Fainelli <f. I am using an I2C bus driver with UBoot to read hardware MAC address data from the onboard EEPROM at address 0x5C, to set the device MAC address. blob: cc65ea0b818fe5cbf6c1c1c17c79304ba085e0aa // SPDX-License-Identifier: GPL-2. 05a bss 02/05/12 Assigned RecvBufferPtr in XIic_MasterSend API and SendBufferPtr in XIic_MasterRecv to NULL in xiic_master. IICPS eeprom polled mode example: xiicps_eeprom_polled_example. c * This file consists of a Interrupt mode design example which uses the Xilinx * IIC device and XIic driver to exercise the slave functionality of the IIC Sign in. This file contains a example for using the IIC hardware device and XIic driver. The IIC IP version is v2. h" #include "xiic. Functions: int XIic_SelfTest (XIic *InstancePtr): Runs a limited self-test on the driver/device. Regards, Shyam. // Calculated from I2C specification and AXI_IIC datasheet // Standard mode #define TSUSTA_20K 0x023A #define TSUSTO_20K 0x01F4 #define THDSTA_20K 0x01AE #define TSUDAT_20K 0x0037 #define TBUF_20K 0x01F4 #define THIGH_20K 0x09B3 #define TLOW_20K 0x09B3 #define THDDAT_20K 0x0001 Hi everyone, I'm trying to use the AXI IIC Bus Interface v2. 6a0bb6c - i2c: xiic: Switch to Xiic standard mode for i2c-read // SPDX-License-Identifier: GPL-2. c Sign in. The peripheral is a I2C master. xiic_low_level_dynamic_eeprom_example. com>, Oleksij Rempel <linux@rempel Jun 12, 2024 · 3c9fedf - i2c: xiic: Correct the datatype for rx_watermark. y i2c-xiic. c xiicps_eeprom_intr_example. Enumeration Type Documentation. 0. e749e4f - i2c: xiic: Fix the type check for xiic_wakeup. These are the top rated real world C++ (Cpp) examples of XIic_SetStatusHandler extracted from open source projects. Compliant to industry standard I2C protocol; Register access through AXI4-Lite interface; Master or slave operation; Multi-master operation; Software selectable ac The official Linux kernel from Xilinx. c * @file xiic_slave_example. simek@xxxxxxxxxx> Most of these stuff are reported by checkpatch. * Supported frequencies are 100KHz, 400KHz and 1MHz. 03a and 2. Signed-off-by: Michal Simek <monstr@xxxxxxxxx> You signed in with another tab or window. We're noticing that I2C is failing after several (20-30) attempts to access a non-existant I2C device that the driver is hanging. c i2c driver is used for LE/BE that's why is useful to use 32bit accesses. >It was my understanding that xiic. I am dealing with Microblaze hanging once in a while in the proc_mblz\libsrc\iic_v3_4\src\xiic_l. 2\data\embeddedsw\XilinxProcessorIPLib , but for this core // SPDX-License-Identifier: GPL-2. c function " unsigned XIic_Recv(UINTPTR BaseAddress, u8 Address, u8 *BufferPtr, unsigned ByteCount, u8 Option) " in the while loop shown // SPDX-License-Identifier: GPL-2. // SPDX-License-Identifier: GPL-2. h&quot; &lt;- into my code, then Vitis itself would know exactly what I meant. 10-lollipop-mr1 / . Reload to refresh your session. h> #include "platform. c * struct xiic_i2c_platform_data - Platform data of the Xilinx I2C driver * @num_devices: Number of devices that shall be added when the driver * is probed. The I2C is AXI IIC (2. I can't get the AXI I2C to work as a master and the driver doesn't seem to be well tested (XSDK 2018. c * This file consists of a polled mode design example which uses the Xilinx * IIC device and low-level driver to exercise the EEPROM. 2. 1 (see PG090). 10-marshmallow-mr2 / . Contribute to hsdenx/u-boot-i2c development by creating an account on GitHub. For example, see the definition of xil_i2c_write() from lines 392-44 1. i2c: inp u-boot i2c. c function "unsigned XIic_Recv(UINTPTR BaseAddress, u8 Address, u8 *BufferPtr, unsigned ByteCount, u8 Option)" in the while loop shown below. c to fix CR# 683509 Typedefs: typedef void(* XIic_Handler)(void *CallBackRef, int ByteCount): This callback function data type is defined to handle the asynchronous processing of sent and received data of the IIC driver. 15/squashed / . We are working with XPS and EDK, my colleague is taking care about the generation of the firmware, while I am programming the C software application to drive it. 467d591 - i2c: xiic: Add standard mode support for > 255 byte. I need to configure the IIC AXI IP in master mode and I need to make a write of 2048 KBytes consecutively in an I2C Slave device and this works perfectly. I used the low level Temperature Sensor Example found in the BSP driver examples. Jan 10, 2013 · 166 * register, to enable all interrupts for the device, this is the only bit // SPDX-License-Identifier: GPL-2. 9-rc using KDAB Codebrowser which provides IDE like features for browsing C, C++, Rust & Dart code in your browser This device tree will cause the Linux kernel to fail to execute the xiic_i2c_probe (i2c-xiic. h" #include "xparameters. I have been getting "input clock not found" in the boot loader: [ 32. <p></p><p></p> <p></p><p></p> The problem is I need to make a read of 2048 KBytes consecutively ina an I2C slave device too, and this doesn&#39;t work. From zc702_i2c_utils. c driver I found under drivers/i2c/busses under kernel. More int XIic_MasterSend (XIic *InstancePtr, u8 *TxMsgPtr, int ByteCount) This function sends data as a master on the IIC bus. I am know able to interface over the I2C Bus to the Si5395 Clock Generator. The following steps may be used to enable the driver in the kernel configuration. c HW IP Features. 4 / . It is known to stop at xiic_setreg32(i2c, XIIC_CR_REG_OFFSET, XIIC_CR_TX_FIFO_RESET_MASK) // SPDX-License-Identifier: GPL-2. c) correctly, as it will try to get the interrupt in the device tree. Nov 13, 2023 · hello everyone at the moment I am working on adding axi iic to openpiton. Has anyone an idea of where the problem can come from ? Here is my source code (C) for the data transfer // SPDX-License-Identifier: GPL-2. c, bno055. We're running linux on powerpc. c" example as well as the "xiic_low_level_eeprom_example. h was an inbuilt module and that if I were to type -> #include "xiic. User interface functions * */ XIic IicInstance; // Declare the I2C instance as a global variable // Function to initialize the I2C communication BME68X_INTF_RET_TYPE AXI_I2C xiic-i2c trouble. Key Features and Benefits Compliant to industry standard I 2 C protocol * @file xiic_low_level_eeprom_example. Kernel panic occurs when executing to xiic_i2c_probe. It seems to be blocking on a while(1) type loop inside XIic_DynSend. c: This example consists of a Interrupt mode design which shows the usage of the Xilinx iic device and XIic driver to exercise the slave functionality of the iic device. android / kernel / msm / android-msm-bullhead-3. 6a0bb6c - i2c: xiic: Switch to Xiic standard mode for i2c-read XIic_WriteReg(BaseAddress, XIIC_CR_REG_OFFSET, CntlReg); /* Already owns the Bus indicating that its a Repeated Start * call. master_xfer_atomic is needed very late before reset/shutdown, in case the system needs to access a PMIC or other I2C peripheral to conduct the actual shutdown operation, at a stage when interrupts are already disabled (and the regular master_xfer method would not work due to its usage of Hello, I am currently trying to get the I2C working with the Microblaze via SDK and I have tried following the "xiic_eeprom_example. Anybody knows the reason for this? Hello I am trying to build an I2C bus within Vitis using C and two separate attempts at trying to build one I have run into the same issue. Right now, I'm using XIic_Send() and XIic_Recv() functions to read from registers on the IMU. More int XIic_Stop (XIic *InstancePtr) xiic_selftest. c). I2C is a s I am having an issue with the XPS_IIC peripheral, i see the issue in ISE14. android / kernel / msm / android-msm-marlin-3. links: PTS, VCS area: main; in suites: jessie-backports; size: 797,264 kB; sloc: ansic: 14,092,234; asm: 282,326; xml: 50,377; makefile From: Raviteja Narayanam <raviteja. 1) What could cause this? 2) Why is there no // SPDX-License-Identifier: GPL-2. / drivers / i2c / busses / i2c-xiic. 0+ /* * Xilinx AXI I2C driver * * Copyright (C) 2018 Marek Vasut <marex@denx. c and zc702_i2c_utils. I have set up debug probes and see I2C data I am using ISE/EDK 14. king@xxxxxxxxxxxxx> wrote: > > From: Colin Ian King <colin. IICPS intr_slave C++ (Cpp) XIic_SetStatusHandler - 6 examples found. de> * * Based on Linux 4. AXI IIC slave_example: xiic_slave_example. h" #define NXP_ADDR 0x41 #define I2C_CTRLLER_BASE XPAR_IIC_0_BASEADDR XIic IicInstance; void I2C_RepeatedStart() { u32 ControlReg; volatile u32 StatusReg; // 1) Write IIC Device address to TX Fifo XIic What is I2C? In this article, you will learn about the basics of Inter-Integrated Circuit (I2C or II C) and usage of this protocol bus for short distance communication. c 2. h" <- into my code, then Vitis itself would know exactly what I meant. 8-1~bpo8%2B1. I downloaded the example you mentioned, and took a look at the zc702_i2c_utils. 8dfacfb - i2c: xiic: Add wait for FIFO empty in send_tx. c file. com>, bcm-kernel-feedback-list@broadcom. fainelli@gmail. You switched accounts on another tab or window. More int XIic_SlaveRecv (XIic *InstancePtr, u8 *RxMsgPtr, int Saved searches Use saved searches to filter your results more quickly // SPDX-License-Identifier: GPL-2. c: This example does eeprom read/writes using interrupts. Hello , When using the XIic_send function for sending 5 bytes of data, the slave address is indeed transmitted but the slave device ,which is the chip, doesn't reply with an acknowledge during the 9th clock of sclk( there is '1' logic instead of '0' logic). Hello all, We would like to use 2 I2C bus, one used by the PS(i2c1) and the other one by the PL(i2c0) I am using the following alogrithm 1. c // SPDX-License-Identifier: GPL-2. 1 using the 2. Hi everyone, I am running into an issue with I2C communication on microblaze, and am wondering if anyone has come across this before. c: This example does eeprom read/writes using polling. Jan 10, 2013 · Definition at line 143 of file i2c-xiic. A scan using the AXI I2C controller finishes in less than a second: This is a fork of the Xilinx i2c-xiic driver with added support for the master_xfer_atomic method. 14. I am using a Arty evaluation board to explore the Microblaze API and am currently working on I2C communication. com>, Ray Jui <rjui@broadcom. I have generated my complete design, and wrote my C code in SDK, everything works perfectly. android / kernel / x86_64 / android-x86_64-fugu-3. This file consists of a Interrupt mode design example which uses the Xilinx IIC device and XIic driver to exercise the EEPROM. c This file consists of a polled mode design example which uses the Xilinx IIC device and low-level driver to exercise the EEPROM. 2 update 1). Sign in. This is PL I2C driver of ZCU102. 18-nougat-mr1 / . Jun 12, 2024 · 3c9fedf - i2c: xiic: Correct the datatype for rx_watermark. blob: 3d0f0520c1b44718c9fe6f7f2bd3da90f74d0dcf -- cdns-i2c e0004000. c Linux kernel source tree. I bought a raspberrypi and a bno055 bosch accelerometer. com>, Scott Branden <sbranden@broadcom. In vivado SDK i have used Sign in. c: This example performs the basic selftest using the driver. <p></p><p></p> <p></p><p></p> My colleague has added an I2C Master device inside the design, so what I would like to do now is // SPDX-License-Identifier: GPL-2. This example writes/reads from the lower 256 bytes of the IIC EEPROMS. h and a bno055_support. send the array using XIic_Send function 3. 06a bss 02/14/13 Modified TxErrorHandler in xiic_intr. May 2, 2024 · b8caf0a - i2c: xiic: Add platform module alias. More // SPDX-License-Identifier: GPL-2. AXI IIC tempsensor_example: xiic_tempsensor_example. Then it is not necessary to solve any endian issues. In C : Do { sendbytecount = XIic_Send(IIC_Base_ADDRESS // SPDX-License-Identifier: GPL-2. 3 with a Spartan-6 Containing a Single MicroBlaze Core. More u32 XIic_WaitBusFree (UINTPTR BaseAddress) This function will wait until the I2C bus is free or timeout. 768047] xiic-i2c fff0e00000. dunlap@xxxxxxxxxx> Add header file to fix build error: drivers/i2c/busses/i2c-xiic. cos / third_party / kernel / refs/heads/main-R89-cos-5. Everything Initializes properly however, I do not receive any interrupts and/or I can't read/write data. You signed out in another tab or window. c * [PATCH 1/9] i2c: stm32: Simplify with dev_err_probe() @ 2020-09-02 15:06 Krzysztof Kozlowski 2020-09-02 15:06 ` [PATCH 2/9] i2c: xiic:" Krzysztof Kozlowski ` (8 more replies) 0 siblings, 9 replies; 26+ messages in thread From: Krzysztof Kozlowski @ 2020-09-02 15:06 UTC (permalink / raw) To: Nicolas Saenz Julienne, Florian Fainelli, Ray Jui Further, if it helps anyone, these are the timing register settings I use for my project for various "speeds". c XIic_CfgInitialize (XIic *InstancePtr, XIic_Config *Config, UINTPTR EffectiveAddr) Initializes a specific XIic instance. Jan 30, 2018 · Sign in. None. c Hi, Based on the Zynq UltraScale\+ MPSoC version, I have a problem in boot. Apr 30, 2024 · There are higher layer drivers that allow the I2C driver to be used to access other devices such as the I2C serial EEPROM on the ML507 board. c source code below, xiic_i2c_probe will fail and return if devm_clk_get doesn't return a valid clock, which is currently happening in the code I am running. 1, the specific file is: drivers/i2c/busses/i2c-xiic. The key to doing an I2C read is that you must first to a Write to send the Address of the Page Register that you want to read and then do a Read to read the I have an i2c IMU connected to my kv260 via the PMOD pins. android / kernel / msm / android-msm-seed-3. Contribute to mmind/linux-rockchip development by creating an account on GitHub. cos / third_party / kernel / 18245f66be8e793f5794e822ebaca4406d1a101b / . We are using this xiic-i2c driver as a platform driver (without a device tree) in an mfd cell on top of a pcie driver (similar to what is done in timberdale. c In the i2c-xiic. 6a0bb6c - i2c: xiic: Switch to Xiic standard mode for i2c-read. After getting into programming and c and studying/trying out it seems somehow I need to define how to do I2C read and write. c XIic_SlaveSend (XIic *InstancePtr, u8 *TxMsgPtr, int ByteCount) This function sends data as a slave on the IIC bus and should not be called until an event has occurred that indicates the device has been selected by a master attempting read from the slave (XII_MASTER_READ_EVENT). e. I am seeing run time kernel warnings when the i2c-xiic. blob * XIic_DynMasterSend()/ XIic_DynMasterRecv() which is used in Dynamic mode. 19. c XIic_DynSend (UINTPTR BaseAddress, u16 Address, u8 *BufferPtr, u8 ByteCount, u8 Option) Send data as a master on the IIC bus. Most of the time it works, but periodically the I2C Core hangs (i. * * Return: 0 on success (Supported frequency selected or not configurable in SW) * -EINVAL on failure (scl frequency not supported or THIGH is 0) */ static int xiic_setclk (struct xiic_i2c *i2c) { unsigned int clk_in_mhz; unsigned From: Michal Simek <michal. Contains an example on how to use the XIic driver directly. <p></p><p></p> In SDK I wanted to compile example code from Xilinx. MODIFICATION HISTORY: Ver Who Date Changes 1. king@xxxxxxxxxxxxx> > There is a statement that is indented one level too deeply, remove First I'm noob in this stuff, but learning and really want to get this working. 0) hardware version according to Vivado and iic_v3_4 SW driver version according to SDK. We have devices that are hot-swappable on I2C (power supplies, etc. You can rate examples to help us improve the quality of examples. c [PATCH] i2c: xiic: Add OF support for Xilinx i2c bus interface From: Michal Simek Date: Mon Feb 21 2011 - 07:15:36 EST Next message: Hans Nieser: "Re: Mass udp flow reboot linux with RealTek RTL-8169 Gigabit" I am trying to build an I2C bus within Vitis using C and two separate attempts at trying to build one I have run into the same issue. In XPS I added I2C IP Core then I generated bitstream and exported project to SDK. check the return value of the function till the number of sent bytes is equal the size of the register address and the data byte size. 760851] i2c /dev entries driver [ 32. 01a version of this peripheral. c File Reference. c. c: This example does slave monitoring of an I2C slave device. I am using kernel 4. c, the macro XIIC_REPEATED_START is used regardless of whether the type of the IIC descriptor is IIC_PL or IIC_PS. c to fix CR #686483 Modified xiic_eeprom_example. c:493: error: implicit declaration of function 'mdelay' Sign in. c Yes, I already have an I2C Master in VHDL that's writing (trying to at least) to the registers of the I2C Mux and the ADV7511. Expand Post. The source code for the driver is included with the Vitis Unified Software Platform installation, as well as being available in the Xilinx Github repository. linux 4. 10-o-preview-2 / . c Jun 27, 2022 · // SPDX-License-Identifier: GPL-2. static int xiic_i2c_probe (struct platform_device * pdev) {struct xiic_i2c * i2c; struct xiic_i2c_platform_data * pdata; struct resource * res; int ret, irq; u8 i; i2c = devm_kzalloc (& pdev-> dev, sizeof (* i2c), GFP_KERNEL); if (! i2c) return-ENOMEM; res = platform_get_resource (pdev, IORESOURCE_MEM, 0); i2c-> base = devm_ioremap_resource XIic_MasterRecv (XIic *InstancePtr, u8 *RxMsgPtr, int ByteCount) This function receives data as a master from a slave device on the IIC bus. org), This xiic driver appears to be working ok once I comment out all the references to i2c->clk in the driver but obviously I don't Yocto Linux Embedded kernel: Grokmirror user: about summary refs log tree commit diff stats: log msg author committer range. Note. my final goal is to be able to read the temperature from an i2c device in linux. Similarly two sets of lower level API's are available in XIic driver that can be used for Transmission/Reception in Master mode: * XIic_Send()/ XIic_Recv() which is used in normal mode * XIic_DynSend()/ XIic_DynRecv() which is used in Dynamic mode. The XIic_SlaveSend() API is used to transmit the data and XIic_SlaveRecv() API is used to receive the data. Note that we are not even trying to hot-swap the device; the device doesn't exist when I run my test. c on zcu102. c This file consists of a Interrupt mode design example which uses the Xilinx IIC device and XIic driver to exercise the slave functionality of the IIC device. h you mentioned. com>, Bartosz Golaszewski <bgolaszewski@baylibre. I don't think I'm doing anything particular interesting in terms of // SPDX-License-Identifier: GPL-2. blob For details, please refer the * AXI I2C PG and NXP I2C Spec. // SPDX-License-Identifier: GPL-2. ). c, I found out the I2C addresses was defined as: 60 // ZC702 I2C Addresses The XIic driver uses the complete FIFO functionality to transmit/receive data. kernel / pub / scm / linux / kernel / git / kbingham / rcar / gmsl/renesas-drivers-2018-01-30-v4. com, Michal Simek <michal. a411926 - i2c: xiic: Fix Rx and Tx paths in standard mode. c: simple test application */ #include <stdio. Updated the example with a fix for CR539763 where XIic_Start was being called instead of XIic_Stop. It comes with a bno055. ><p></p> <p></p><p></p> Breifly, what appears to be happening is that after the IIC peripheral has sent out the I2C device ID byte and the Index Byte the ISR register bit 4 (Bus Not Busy) is still sitting at &#39;0&#39;. clvntue chbrk fxp toy rudzh ecme kpl wxpwx djlywvr nahk