C language driving main control board

Abstract

The utility model belongs to the technical field of computer programming, and particularly relates to a C language driving main control board, which comprises a main control chip MCU (Microprogrammed Control Unit), a USB (Universal Serial Bus) conversion chip, a USB interface, a voltage stabilizing chip, a resistance fuse and a plugging interface, the two ends of the voltage stabilizing chip and the two ends of the resistor fuse are electrically connected with the USB interface and the main control chip MCU respectively. According to the utility model, the interfaces which can be externally connected with sensors or drivers are abundant and numerous, and the combined operation of a plurality of sensors and driving actuators can be conveniently realized, so that students can design more complex and more creative experiment items when carrying out experiments, diversified learning requirements are met, and the experiment efficiency is improved. And when the control panel runs, for the combination of the sensor and the driver with low power requirements, an external power supply is not needed, and debugging and power supply can be completed by connecting a computer through a USB (Universal Serial Bus) line, so that the operation steps are simplified, and the safety risk and the use cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to computer programming technical field, concretely relates to a C language drive main control panel. BACKGROUND

[0002] In the era of modern science and technology rapid development, electronic product types are increasingly rich, but the product for cultivating primary and middle school students programming learning and hands-on operation interest is relatively scarce. With the gradual popularization of programming education in primary and secondary school curriculum system, how to make students more intuitively and effectively use single-chip microcomputer hardware to learn C language programming becomes an urgent problem to be solved in the field of education. From the big technical background, the popularization of information technology and the change of education concept require students not only to master theoretical knowledge, but also to have practical operation and innovative thinking ability; from the small technical background, the existing programming learning product often focuses on software programming, or the hardware product operation is complex and the design of electric safety is not reasonable enough, which is not suitable for primary school students to use.

[0003] The similar products on the market have many deficiencies, and the similar products need external power supply. From the cost aspect, the external power supply and related accessories increase the overall cost of the product; in terms of functional compatibility, the number of interfaces of the products on the market is limited and the compatibility is poor, which limits the possibility of students to carry out diversified experiments. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a C language drive main control panel, which can be connected with various external sensors and execution drivers, and can use a debugging computer to provide power supply, saving cost and simplifying operation steps.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A C language drive main control panel, including main control chip MCU, USB conversion chip, USB interface, voltage stabilizing chip and resistance insurance, plug-in interface, the two ends of the USB conversion chip are respectively connected with the main control chip MCU and the USB interface, the two ends of the voltage stabilizing chip and the resistance insurance are respectively connected with the USB interface and the main control chip MCU, and the main control chip MCU is also connected with the plug-in interface.

[0007] Further, the plug-in interface includes UART (universal asynchronous receiver transmitter), IIC (integrated circuit bus), PWM (pulse width modulation), ADC (analog-to-digital converter) and SPI (serial peripheral interface) interface, and the plug-in interface is a card type connection.

[0008] Further, the USB interface is connected with the computer end to transmit the computer end programming voice to the main control chip.

[0009] Further, the main control chip MCU runs the programming code, and reads or drives the sensor connected to the plug-in interface or drives the actuator according to the code instruction.

[0010] Further, the USB conversion chip converts the data transmission protocol between the computer USB interface and the main control chip MCU.

[0011] Further, the voltage stabilizing chip and the resistance insurance perform voltage stabilization processing and overcurrent protection on the power supply.

[0012] The utility model discloses the technical effect achieved is:

[0013] The utility model discloses the interface of external sensor or driver is rich and numerous, can conveniently realize the combination operation of multiple sensors and driving actuator, this makes the student when carrying out the experiment, can design more complicated, more creative experiment project, satisfies the diversified learning demand, and the control panel operation for the power requirement of sensor and driver combination is not high, need not external power supply, only through a USB line connection computer can complete debugging and power supply, both simplify the operation step, and reduce the security risk and use cost.

[0014] The utility model discloses the plug-in interface's card type connection design, effectively solved the problem of not firm and plug-in error, improved the stability and reliability of system, provided better guarantee for the experimental operation of student. DRAWINGS

[0015] Fig. 1 It is the principle diagram of the utility model;

[0016] Fig. 2 It is the circuit schematic diagram of the utility model. CONCRETE IMPLEMENTING METHOD

[0017] In order to make the purpose and the advantage of the utility model more clear and obvious, the following is combined with the embodiment to the utility model specific description.It should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the utility model specific request.

[0018] As Figs. 1-2 The utility model discloses a C language drive main control board, including main control chip MCU, USB conversion chip, USB interface, voltage stabilizing chip and resistance insurance, plug-in interface, USB conversion chip both ends are connected with main control chip MCU and USB interface electricity respectively, voltage stabilizing chip and resistance insurance both ends are connected with USB interface, main control chip MCU electricity respectively, main control chip MCU still is connected with plug-in interface electricity.

[0019] The plug-in interface includes a UART (universal asynchronous receiver transmitter), an IIC (inter-integrated circuit bus), a PWM (pulse width modulation), an ADC (analog-to-digital converter) and an SPI (serial peripheral interface), and the plug-in interface is a card type connection, which can meet the connection requirements of different types of sensor modules and driving actuator modules, and students can flexibly select and combine according to the experimental purpose.

[0020] The USB interface is connected with a computer end to transmit a computer end programming voice to the master control chip.

[0021] The master control chip MCU runs the programming code, reads or drives the connected sensor or driving actuator on the plug-in interface according to the code instruction, the master control chip MCU is a core component, is responsible for running the downloaded code, reads or drives the connected sensor or driving actuator on the plug-in interface according to the code instruction, so that the corresponding function is realized, and the process realizes the conversion from the software level to the actual operation of the hardware, is the physical realization process of the code, and from the hardware connection point of view, the master control chip MCU is a core control unit of the whole system, and cooperates with other parts.

[0022] The USB conversion chip converts the data transmission protocol between the computer USB interface and the master control chip MCU, ensures that the code can be stably and accurately downloaded into the master control chip, and feeds back the data collected by the master control chip to the computer.

[0023] The voltage stabilizing chip and the resistance insurance perform voltage stabilizing treatment and overcurrent protection on the power supply, so that the whole master control board works in a stable voltage environment, and damage of the chip and other elements caused by voltage fluctuation or excessive current is prevented.

[0024] The working principle of the utility model is that in the programming learning process, the student first writes the code in the C language programming environment of the computer end, after completing the code writing, downloads the code into the memory of the master control chip MCU through the USB interface, and connects the corresponding sensor or driving actuator with the plug-in interface, the master control chip MCU runs the downloaded code, and then reads or drives the connected sensor or driving actuator on the plug-in interface according to the code instruction, so as to complete the running work of the code.

[0025] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. Structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A C language driver main control board, comprising a main control chip MCU, a USB conversion chip, a USB interface, a voltage stabilizing chip and a resistance fuse, and a plug-in interface, characterized in that: The USB conversion chip is electrically connected with the master control chip MCU and the USB interface respectively, the voltage stabilizing chip and the resistance insurance are electrically connected with the USB interface and the master control chip MCU respectively, and the master control chip MCU is further electrically connected with the plug-in interface. ​ 2. The C language driving main control board according to claim 1, characterized in that: The plug-in interface comprises a UART (universal asynchronous receiver transmitter), an IIC (integrated circuit bus), a PWM (pulse width modulation), an ADC (analog-to-digital converter) and an SPI (serial peripheral interface), and the plug-in interface is a card type connection.

3. The C language driving main control board according to claim 1, characterized in that: The USB interface is connected with a computer end to transmit a computer end programming voice to the master control chip.

4. The C language driving main control board according to claim 1, characterized in that: The master control chip MCU runs the programming code, reads or drives a sensor connected to the plug-in interface or drives an actuator according to a code instruction.

5. The C language driving main control board according to claim 1, characterized in that: The USB conversion chip converts a data transmission protocol between the computer USB interface and the master control chip MCU.

6. The C language driving main control board according to claim 1, characterized in that: The voltage stabilizing chip and the resistance insurance perform voltage stabilizing treatment and overcurrent protection on the power supply.

Images