Ajoute la liaison TMS320 (simulee), l'IHM OLED et la LED de statut
Protocole ASCII type NMEA ($T/$C avec checksum) entre l'ESP32-C3 et le TMS320 (frequence/duty/tensions/courants/temperatures + commandes HT/PWM1/PWM2), avec simulateur local le temps que le firmware TMS320 existe. Driver SSD1322 repointe sur les GPIO du schema, dashboard texte 3 pages tournantes sur l'ecran ER-OLEDM032-1. LED RGB embarquee (GPIO8) clignotante 1 Hz vert 30% comme indicateur de vie. Serveur web laisse en stub (sera branche en STA sur le reseau local une fois l'OLED valide). Ajout de la documentation technique (schema, datasheets, protocole).
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187
doc/ER-OLEDM032-1_ESP32_Tutorial/ER-OLEDM032-1/er_oled.cpp
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187
doc/ER-OLEDM032-1_ESP32_Tutorial/ER-OLEDM032-1/er_oled.cpp
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/***************************************************
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//Web: http://www.buydisplay.com
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EastRising Technology Co.,LTD
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****************************************************/
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#include <SPI.h>
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#include "er_oled.h"
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void command(uint8_t cmd)
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{
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digitalWrite(OLED_DC, LOW);
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digitalWrite(OLED_CS, LOW);
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SPI.transfer(cmd);
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digitalWrite(OLED_CS, HIGH);
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}
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void data(uint8_t dat)
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{
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digitalWrite(OLED_DC, HIGH);
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digitalWrite(OLED_CS, LOW );
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SPI.transfer(dat);
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digitalWrite(OLED_CS, HIGH);
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}
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void er_oled_begin()
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{
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pinMode(OLED_RST, OUTPUT);
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pinMode(OLED_DC, OUTPUT);
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pinMode(OLED_CS, OUTPUT);
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SPI.begin();
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SPI.beginTransaction(SPISettings(20000000, MSBFIRST, SPI_MODE0));
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//SPI.setClockDivider(SPI_CLOCK_DIV2);
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digitalWrite(OLED_CS, LOW);
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digitalWrite(OLED_RST, HIGH);
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delay(10);
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digitalWrite(OLED_RST, LOW);
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delay(10);
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digitalWrite(OLED_RST, HIGH);
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command(0xFD); /*SET COMMAND LOCK*/
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data(0x12); /* UNLOCK */
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command(0xAE); /*DISPLAY OFF*/
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command(0xB3);/*DISPLAYDIVIDE CLOCKRADIO/OSCILLATAR FREQUANCY*/
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data(0x91); command(0xCA); /*multiplex ratio*/
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data(0x3F); /*duty = 1/64*/
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command(0xA2); /*set offset*/
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data(0x00);
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command(0xA1); /*start line*/
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data(0x00);
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command(0xA0); /*set remap*/
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data(0x14);
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data(0x11);
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command(0xAB); /*funtion selection*/
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data(0x01); /* selection external vdd */
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command(0xB4); /* */
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data(0xA0);
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data(0xfd);
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command(0xC1); /*set contrast current */
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data(0x80);
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command(0xC7); /*master contrast current control*/
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data(0x0f);
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command(0xB1); /*SET PHASE LENGTH*/
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data(0xE2);
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command(0xD1); /**/
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data(0x82);
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data(0x20);
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command(0xBB); /*SET PRE-CHANGE VOLTAGE*/
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data(0x1F);
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command(0xB6); /*SET SECOND PRE-CHARGE PERIOD*/
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data(0x08);
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command(0xBE); /* SET VCOMH */
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data(0x07);
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command(0xA6); /*normal display*/
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command(0xAF); /*display ON*/
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}
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void er_oled_SetWindow(uint8_t Xstart, uint8_t Ystart, uint8_t Xend, uint8_t Yend)
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{
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command(0x15);
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data(Xstart+0x1c);
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data(Xend+0x1c);
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command(0x75);
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data(Ystart);
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data(Yend);
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command(0x5c);//write ram command
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}
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void er_oled_clear()
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{int i,row;
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command(0x15);
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data(0x00); //col start
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data(0x77); //col end
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command(0x75);
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data(0x00); //row start
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data(0x7f); //row end
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command(0x5c);
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for (row = 0; row < 128; row++) {
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for(i = 0; i< 240; i++ ) {
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data(0x00);// write data
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}
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}
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}
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void er_oled_char(uint8_t x, uint8_t y, const char *acsii, uint8_t mode)
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{ uint8_t i,str;uint16_t OffSet;
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x=x/4;
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OffSet = (*acsii - 32)*16;
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er_oled_SetWindow(x, y, x+1, y+15);
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for (i=0;i<16;i++)
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{ str =pgm_read_byte(&AsciiLib[OffSet + i]);
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if(mode) str=~str;
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Data_processing (str);
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}
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}
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void er_oled_string(uint8_t x, uint8_t y, const char *pString, uint8_t Mode)
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{
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while(1)
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{
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if (*pString == 0)
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{
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return;
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}
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er_oled_char(x, y, pString,Mode);
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x += 8;
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pString += 1;
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}
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}
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void Data_processing(uint8_t temp) //turns 1byte B/W data to 4 bye gray data with 8 Pixel
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{uint8_t temp1,temp2;
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if(temp&0x80)temp1=0xf0;
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else temp1=0x00;
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if(temp&0x40)temp2=0x0f;
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else temp2=0x00;
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temp1=temp1|temp2;
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data(temp1); //Pixel1,Pixel2
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if(temp&0x20)temp1=0xf0;
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else temp1=0x00;
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if(temp&0x10)temp2=0x0f;
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else temp2=0x00;
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temp1=temp1|temp2;
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data(temp1); //Pixel3,Pixel4
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if(temp&0x08)temp1=0xf0;
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else temp1=0x00;
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if(temp&0x04)temp2=0x0f;
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else temp2=0x00;
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temp1=temp1|temp2;
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data(temp1); //Pixel5,Pixel6
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if(temp&0x02)temp1=0xf0;
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else temp1=0x00;
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if(temp&0x01)temp2=0x0f;
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else temp2=0x00;
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temp1=temp1|temp2;
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data(temp1); //Pixel7,Pixel8
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}
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void er_oled_bitmap_mono(const uint8_t * pBuf)
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{ uint8_t row,col,dat;
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er_oled_SetWindow(0, 0, 255/4, 63);
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for (row = 0; row < 64; row++) {
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for(col = 0;col<256/8; col++ ) {
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dat=(pgm_read_byte(pBuf));
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*pBuf++;
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Data_processing(dat);
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}
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}
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}
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void er_oled_bitmap_gray(const uint8_t * pBuf)
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{ uint8_t row,col;
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er_oled_SetWindow(0, 0, 255/4, 63);
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for (row = 0; row < 64; row++) {
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for(col = 0;col<128; col++ ) {
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data(pgm_read_byte(pBuf));
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* pBuf++;
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}
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}
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}
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