Lab 6 code.
Dependencies: mbed
Fork of WaG by
main.cpp
- Committer:
- spm71
- Date:
- 2018-02-20
- Revision:
- 0:ee6e5c60dd2d
- Child:
- 1:1b05289d0bf5
File content as of revision 0:ee6e5c60dd2d:
/****************************************************************************** * EECS 397 * * Assignment Name: Lab 4: display_test2 * * Authors: Sam Morrison and Phong Nguyen * * Purpose: Configures the board for 5-digit display * * Last Modified: 02/19/2018 * ******************************************************************************/ #include "mbed.h" #include <stdlib.h> #include <stdio.h> #include <string.h> DigitalOut SS(PC_7); SPI spi(PA_7, PA_6, PA_5); Serial pc(USBTX, USBRX); int main(void) { SS = 1; spi.format(16,0); spi.frequency(1000000); SS = 0; spi.write(0x0C01); //normal operation SS = 1; SS = 0; spi.write(0x090F); //decode to bits 0:3 SS = 1; SS = 0; spi.write(0x0F00); //set to normal mode SS = 1; SS = 0; spi.write(0x0A0F); //intensity set to max SS = 1; SS = 0; spi.write(0x0B04); //display digits 0:4 SS = 1; SS = 0; spi.write(0x0100); //set digit 1 to 0 SS = 1; SS = 0; spi.write(0x0200); //set digit 2 to 0 SS = 1; SS = 0; spi.write(0x0300); //set digit 3 to 0 SS = 1; SS = 0; spi.write(0x0400); //set digit 4 to 0 SS = 1; SS = 0; spi.write(0x0500); //set digit 5 to 0 float command = 0x0100; char input[4]; char command_text[10] = "0x0"; while(1) { pc.printf("Select a digit between 0 and 9999:\n"); input = getchar(); while (input < 48 or input > 57) { //ask for input until 0-9 is selected pc.printf("Select a digit between 0 and 9999:\n"); scanf("%d", &input); } command_text[3] = place + '0'; command_text[4] = '0'; command_text[5] = input; command = atof(command_text); //converts string to float pc.printf("command: %s\n", command_text); SS = 0; spi.write(command); SS = 1; //pc.printf("command: &f\n", commmand); } /* SS = 0; spi.write(0x0100); //set digit 0 to 0 SS = 1; */ }