I2C bus communication control method, device and system, and readable storage medium

1. An inter-integrated circuit (I2C) bus communication control method, wherein characterized in that, the method comprises:

receiving configuration information of an I2C bus sent by an upper-layer application;

analyzing the configuration information to obtain a plurality of polling parameters, comprising:

analyzing the configuration information to obtain an operation type, a main device, a slave device, a number of bytes, polling time and a priority corresponding to each read-write operation respectively;

calculating remaining time corresponding to the read-write operation through the number of bytes and a polling period corresponding to each read-write operation; and

taking the operation type, the main device, the slave device, the number of bytes, the polling time, the remaining time and the priority corresponding to one read-write operation as one string of polling parameter;

writing the plurality of polling parameters into a polling table; and

controlling the I2C bus, and executing a corresponding read-write operation according to the polling table.

2. The I2C bus communication control method according to claim 1 , wherein the method further comprises:

receiving configuration modification information sent by the upper-layer application; and

updating the polling table through the configuration modification information.

3. The I2C bus communication control method according to claim 1 , wherein the step of calculating the remaining time corresponding to the read-write operation through the number of bytes and the polling period corresponding to each read-write operation, comprises:

calculating executing time for executing one read-write operation through the number of bytes and a bus frequency; and

obtaining the remaining time through an underlying clock and in combination with the executing time and the polling period.

4. The I2C bus communication control method according to claim 1 , wherein the step of controlling the I2C bus, and executing the corresponding read-write operation according to the polling table, comprises:

determining each read-write operation to be executed according to the corresponding operation type, main device, slave device and number of bytes;

determining an executing time of each read-write operation to be executed according to the priority and the remaining time;

executing each read-write operation to be executed according to the executing time; and

checking the read-write operations of the I 2 C bus, and intercepting failed read-write operations.

5. The I2C bus communication control method according to claim 1 , wherein the method further comprises:

receiving a communication interruption request sent by the upper-layer application; and

generating an end signal of a target read-write operation, wherein the target read-write operation is a read-write operation currently executed by the I2C bus.

6. The I2C bus communication control method according to claim 1 , wherein the method further comprises:

in response to an access failure frequency of a target slave device reaching a degradation threshold value, reducing a priority, corresponding to the target slave device, in the polling table.

7. An inter-integrated circuit (I2C) bus communication control system, wherein the system comprises:

an upper-layer application, an I2C bus communication control equipment, I2C main devices and I2C slave devices which are connected with an I2C bus;

wherein the upper-layer application accesses the I2C bus communication control equipment through an Advanced eXtensible Interface (AXI) bus;

the I2C bus communication control equipment comprises a register, a counter and a polling table; and

the I2C bus communication control equipment is configured to execute any steps of:

receive configuration information of the I2C bus sent by the upper-layer application;

analyze the configuration information to obtain a plurality of polling parameters, wherein the I2C bus communication control equipment is further configured to:

analyze the configuration information to obtain an operation type, a main device, a slave device, a number of bytes, polling time and a priority corresponding to each read-write operation respectively;

calculate remaining time corresponding to the read-write operation through the number of bytes and a polling period corresponding to each read-write operation; and

take the operation type, the main device, the slave device, the number of bytes, the polling time, the remaining time and the priority corresponding to one read-write operation as one string of polling parameter;

write the plurality of polling parameters into the polling table; and

control the I2C bus, and execute a corresponding read-write operation according to the polling table.

8. The I2C bus communication control system according to claim 7 , wherein the I2C bus communication control equipment is configured to:

receive configuration modification information sent by the upper-layer application; and

update the polling table through the configuration modification information.

9. The I2C bus communication control system according to claim 7 , wherein the I2C bus communication control equipment is configured to execute any steps of:

calculate executing time for executing one read-write operation through the number of bytes and a bus frequency; and

obtain the remaining time through an underlying clock and in combination with the executing time and the polling period.

10. The I2C bus communication control system according to claim 7 , wherein the I2C bus communication control equipment is configured to:

determine each read-write operation to be executed according to the corresponding operation type, main device, slave device and number of bytes;

determine an executing time of each read-write operation to be executed according to the priority and the remaining time;

execute each read-write operation to be executed according to the executing time; and

check the read-write operations of the I2C bus, and intercept failed read-write operations.

11. The I2C bus communication control system according to claim 7 , wherein the I2C bus communication control equipment is configured to:

receive a communication interruption request sent by the upper-layer application; and

generate an end signal of a target read-write operation, wherein the target read-write operation is a read-write operation currently executed by the I2C bus.

12. The I2C bus communication control system according to claim 7 , wherein the I2C bus communication control equipment is configured to:

in response to an access failure frequency of a target slave device reaching a degradation threshold value, reduce a priority, corresponding to the target slave device, in the polling table.

13. A non-transitory readable storage medium, storing a computer program, wherein the computer program, upon execution by a processor, is configured to cause the processor to:

receive configuration information of an I2C bus sent by an upper-layer application;

analyze the configuration information to obtain a plurality of polling parameters, wherein the computer program, upon execution by the processor, is further configured to cause the processor to:

analyze the configuration information to obtain an operation type, a main device, a slave device, a number of bytes, polling time and a priority corresponding to each read-write operation respectively:

calculate remaining time corresponding to the read-write operation through the number of bytes and a polling period corresponding to each read-write operation; and

take the operation type, the main device, the slave device, the number of bytes, the polling time, the remaining time and the priority corresponding to one read-write operation as one string of polling parameter;

write the plurality of polling parameters into a polling table; and

control the I2C bus, and execute a corresponding read-write operation according to the polling table.

14. The non-transitory readable storage medium according to claim 13 , wherein the computer program, upon execution by the processor, is configured to cause the processor to:

receive configuration modification information sent by the upper-layer application; and

update the polling table through the configuration modification information.

15. The non-transitory readable storage medium according to claim 13 , wherein the computer program, upon execution by the processor, is configured to cause the processor to:

calculate executing time for executing one read-write operation through the number of bytes and a bus frequency; and

obtain the remaining time through an underlying clock and in combination with the executing time and the polling period.

16. The non-transitory readable storage medium according to claim 13 , wherein the computer program, upon execution by the processor, is configured to cause the processor to:

determine each read-write operation to be executed according to the corresponding operation type, main device, slave device and number of bytes;

determine an executing time of each read-write operation to be executed according to the priority and the remaining time;

execute each read-write operation to be executed according to the executing time; and

check the read-write operations of the I2C bus, and intercept failed read-write operations.

17. The non-transitory readable storage medium according to claim 13 , wherein the computer program, upon execution by the processor, is configured to cause the processor to:

receive a communication interruption request sent by the upper-layer application; and

generate an end signal of a target read-write operation, wherein the target read-write operation is a read-write operation currently executed by the I2C bus.