Julien VILLEMEJANE / Mbed 2 deprecated IeTI_FFT_BT

FFT and nRF24 transmission / LaserGame 1A

Dependencies:   mbed nRF24L01P mbed-dsp

main.cpp@2:76fbb91a0331, 2021-02-09 (annotated)

Committer:
villemejane
Date:
Tue Feb 09 14:33:50 2021 +0000
Revision:
2:76fbb91a0331
Parent:
0:96c89b4dc711 
DMX512 interface - LEnsE / VILLEMEJANE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
villemejane 2:76fbb91a0331 1 /* mbed Microcontroller Library
villemejane 2:76fbb91a0331 2 * Copyright (c) 2019 ARM Limited
villemejane 2:76fbb91a0331 3 * SPDX-License-Identifier: Apache-2.0
villemejane 2:76fbb91a0331 4 */
villemejane 0:96c89b4dc711 5
villemejane 2:76fbb91a0331 6 #include "mbed.h"
villemejane 2:76fbb91a0331 7
villemejane 2:76fbb91a0331 8 #define SAMPLES 512
villemejane 2:76fbb91a0331 9 Serial debug_pc(USBTX, USBRX);
villemejane 0:96c89b4dc711 10
villemejane 2:76fbb91a0331 11 Serial dmx(PC_10, PC_11);
villemejane 2:76fbb91a0331 12 DigitalOut out_tx(D10);
villemejane 2:76fbb91a0331 13 DigitalOut start(D11);
villemejane 2:76fbb91a0331 14 DigitalOut enableDMX(D5);
villemejane 2:76fbb91a0331 15
villemejane 2:76fbb91a0331 16 AnalogIn variationR(A0);
villemejane 2:76fbb91a0331 17 AnalogIn variationG(A1);
villemejane 2:76fbb91a0331 18 AnalogIn variationB(A2);
villemejane 2:76fbb91a0331 19
villemejane 2:76fbb91a0331 20 DigitalIn my_bp(USER_BUTTON);
villemejane 2:76fbb91a0331 21
villemejane 2:76fbb91a0331 22 char dmx_data[SAMPLES] = {0};
villemejane 2:76fbb91a0331 23 char nb = 0;
villemejane 2:76fbb91a0331 24
villemejane 2:76fbb91a0331 25 void dmx_update();
villemejane 2:76fbb91a0331 26
villemejane 0:96c89b4dc711 27 int main() {
villemejane 2:76fbb91a0331 28 debug_pc.baud(9600);
villemejane 2:76fbb91a0331 29 debug_pc.printf("Essai DMX512\r\n");
villemejane 2:76fbb91a0331 30 dmx.baud(250000);
villemejane 2:76fbb91a0331 31 dmx.format (8, SerialBase::None, 2);
villemejane 2:76fbb91a0331 32 enableDMX = 0;
villemejane 2:76fbb91a0331 33
villemejane 2:76fbb91a0331 34 // Eurolite LED H2O - 5 channels / adress 0
villemejane 2:76fbb91a0331 35 dmx_data[0] = 0x00; // Red
villemejane 2:76fbb91a0331 36 dmx_data[1] = 0x00; // Green
villemejane 2:76fbb91a0331 37 dmx_data[2] = 0x00; // Blue
villemejane 2:76fbb91a0331 38 dmx_data[3] = 0xFF; // Dimmer - Max = 255
villemejane 2:76fbb91a0331 39 dmx_data[4] = 0x00; // On = 0
villemejane 2:76fbb91a0331 40
villemejane 0:96c89b4dc711 41 while(1) {
villemejane 2:76fbb91a0331 42 int valeur = variationR.read_u16() >> 8;
villemejane 2:76fbb91a0331 43 dmx_data[0] = valeur;
villemejane 2:76fbb91a0331 44 valeur = variationG.read_u16() >> 8;
villemejane 2:76fbb91a0331 45 dmx_data[1] = valeur;
villemejane 2:76fbb91a0331 46 valeur = variationB.read_u16() >> 8;
villemejane 2:76fbb91a0331 47 dmx_data[2] = valeur;
villemejane 2:76fbb91a0331 48 dmx_data[4] = 0; // on
villemejane 2:76fbb91a0331 49 dmx_update();
villemejane 2:76fbb91a0331 50 wait_us(100000);
villemejane 2:76fbb91a0331 51 }
villemejane 2:76fbb91a0331 52 }
villemejane 2:76fbb91a0331 53
villemejane 2:76fbb91a0331 54
villemejane 2:76fbb91a0331 55 void dmx_update(){
villemejane 2:76fbb91a0331 56 enableDMX = 1;
villemejane 2:76fbb91a0331 57 start = 1; // /start
villemejane 2:76fbb91a0331 58 out_tx = 0; // break
villemejane 2:76fbb91a0331 59 wait_us(88);
villemejane 2:76fbb91a0331 60 out_tx = 1; // mb
villemejane 2:76fbb91a0331 61 wait_us(8);
villemejane 2:76fbb91a0331 62 out_tx = 0; // break
villemejane 2:76fbb91a0331 63 start = 0;
villemejane 2:76fbb91a0331 64 dmx.putc(0x00); // Start
villemejane 2:76fbb91a0331 65 for(int i = 0; i < SAMPLES; i++){
villemejane 2:76fbb91a0331 66 dmx.putc(dmx_data[i]); // data
villemejane 0:96c89b4dc711 67 }
villemejane 2:76fbb91a0331 68 wait_us(23000); // time between frame
villemejane 0:96c89b4dc711 69 }