solve please

A batch controller is used to mix two substances A and B in a tank: Product A is controlled by valve1 (V1) connected RCO and product B is controlled by valve2 (V2) connected to RC1. At the beginning the tank is empty. V1 and V2 are turned on simultaneously until the tank is full, they are turned off. Maximum level is detected by S2 connected through RC2. A mixer is then turned on for five (5) seconds. The mixer is connected to RC3. The mixer is then turned off and an output valve3 (V3 connected to RC4, is turned on to empty the tank. The minimum level is detected by a switch S2. The process repeats itself continuously. The microcontroller is driven by a clock of 1MHz. 1- Obtain the required special purpose files. 2- Program the microcontroller to carry out the above task