Fri, 09 Sep 2016 23:42:39 +0200
beginning of a working display using the 3.2 OLED module
#include "stdio.h" #include "mbed.h" #include "string" #include "Terminal6x8.h" #include "Mono19x27.h" #include "Mono15x22.h" #include "Arial12x12.h" #include "BufferedSerial.h" #include "SSD1322.h" Serial pc(USBTX, USBRX); BufferedSerial hp(NC, PA_1, 64, 0); // serial4 SSD1322 dsp(SPI_8, 10000000, PB_15, PB_14, PB_13, PB_12, D11, D12, "SSD1322", 256, 64); #define MAX_BUFF 14 uint8_t curchar; uint8_t cmd; uint8_t nchars; char buffer[MAX_BUFF+1]; typedef struct _DSP { uint8_t cmd; uint8_t color; uint8_t bgcolor; uint8_t x0; uint8_t y0; uint8_t fmt; // 0=>ascii, 1=>hex, 2=>bits, 3=>flags uint8_t maxsize; uint8_t width; const unsigned char* font; char buffer[MAX_BUFF+1]; } DSP; static DSP table[] = { { 0x00, 0xF, 0x0, 0, 0, 0, MAX_BUFF, 245, Mono19x27}, // main display { 0x0C, 0xF, 0x0,204, 38, 0, 3, 45, Mono15x22}, // channels display { 0x01, 0xF, 0x0, 0, 0, 4, MAX_BUFF, 0, Terminal6x8}, { 0x02, 0xF, 0x0, 0, 0, 4, MAX_BUFF, 0, Terminal6x8}, { 0x0A, 0xF, 0x0, 0, 57, 2, 4, 0, Terminal6x8}, { 0x0A, 0xF, 0x0, 0, 0, 3, 4, 0, Terminal6x8}, // flags { 0xFF, 0xF, 0x0, 0, 0, 4, MAX_BUFF, 0, Terminal6x8}, }; // 9x10 const unsigned char icon_alarm[] __attribute__((aligned (2))) = { 0x1c, 0x0, 0x3e, 0x0, 0x7f, 0x0, 0x7f, 0x0, 0x7f, 0x0, 0x7f, 0x0, 0x7f, 0x0, 0x7f, 0x0, 0xff, 0x80, 0x10, 0x0 }; const unsigned char icon_curve[] __attribute__((aligned (2))) = { 0x80, 0x0, 0x80, 0x0, 0x80, 0x80, 0x81, 0x0, 0x9e, 0x0, 0xa0, 0x0, 0xc0, 0x0, 0x80, 0x0, 0x80, 0x0, 0xff, 0x80 }; typedef struct _FLAG { uint8_t flag; uint8_t x; uint8_t y; const char* msg; const unsigned char* icon; } FLAG; static const FLAG flags[] = { //{ 0x00, 160, 30, "Alarm"}, // for the 'alarm' box { 0x00, 246, 0, NULL, icon_alarm}, // F1.1 { 0x01, 246, 11, NULL, icon_curve}, // F1.2 { 0x03, 204, 30, "Channel"}, // F1.4 { 0x14, 68, 44, "4W"}, // F2.5 { 0x33, 40, 44, "VIEW"}, // F4.4 { 0x34, 0, 30, "MON"}, // F4.5 { 0x36, 0, 44, "CONFIG"}, // F4.7 { 0xFF, 0, 0, "SCAN"}, // F4.6 or F4.3 { 0xFF, 0, 0, "*"}, { 0xFF, 0, 0, "ADRS"}, { 0xFF, 0, 0, "RMT"}, { 0xFF, 0, 0, "ERROR"}, { 0xFF, 0, 0, "EXT"}, { 0xFF, 0, 0, "ONCE"}, { 0xFF, 0, 0, "AUTO"}, { 0xFF, 0, 0, "MEM"}, { 0xFF, 0, 0, "LAST"}, { 0xFF, 0, 0, "MIN"}, { 0xFF, 0, 0, "MAX"}, { 0xFF, 0, 0, "AVG"}, { 0xFF, 0, 0, "OC"}, { 0xFF, 0, 0, "H"}, { 0xFF, 0, 0, "1"}, { 0xFF, 0, 0, "2"}, { 0xFF, 0, 0, "3"}, { 0xFF, 0, 0, "4"}, { 0xFF, 0, 0, "L"}, }; #ifdef DEBUG #define DBGPIN PC_0 DigitalOut dbgpin(DBGPIN); inline void DebugPulse(uint8_t count=1) { while (count--) { dbgpin = 1; dbgpin = 0; } } #else inline void DebugPulse(uint8_t count=1) {} #endif void test_dsp(); void setup() { // init the LCD //dsp.set_orientation(3); pc.baud (115200); pc.printf("\n\nSystem Core Clock = %.3f MHZ\r\n", (float)SystemCoreClock/1000000); hp.baud(187500); // myLCD.set_font((unsigned char*) Terminal6x8); // myLCD.claim(stdout); // send stdout to the LCD display // myLCD.claim(stderr); // send stderr to the LCD display dsp.background(Black); // set background to black dsp.foreground(0xF); dsp.cls(); dsp.locate(0, 0); dsp.set_font(Mono19x27); cmd = 0xFF; curchar = 0; nchars = 0; dsp.printf("HP34970A"); dsp.set_font(Terminal6x8); for(uint8_t i=0; i<4; i++) { dsp.locate(160, i*8); dsp.printf("Lg %d", i+1); dsp.locate(208, (3-i)*8); dsp.printf("Lg %d", i+1); } dsp.copy_to_lcd(); wait(2); dsp.cls(); test_dsp(); wait(2); dsp.cls(); } void go_msg() { dsp.set_font((unsigned char*) Arial12x12); dsp.locate(0, 38); } void show(uint8_t cmd, char *txt, uint8_t nchar=0) { uint8_t i, len; uint16_t bgcolor, fgcolor; char *oldv; len = MAX_BUFF; for (i=0; i<sizeof(table)/sizeof(table[0]); ++i) { if (table[i].cmd == cmd) { bgcolor = table[i].bgcolor; fgcolor = table[i].color; dsp.background(bgcolor); dsp.foreground(fgcolor); dsp.locate(table[i].x0, table[i].y0); dsp.set_font((unsigned char*) table[i].font); oldv = table[i].buffer; switch (table[i].fmt) { case 0: //ascii if (table[i].width > 0) dsp.fillrect(table[i].x0, table[i].y0, table[i].x0 + table[i].width, table[i].y0 + table[i].font[2], bgcolor); dsp.printf(txt); break; case 1: // hex for (uint8_t j=0;; j++) { if (txt[j] == 0x00) break; dsp.printf("%02X ", txt[j]); } for (uint8_t j=3*strlen(txt); j<table[i].maxsize; j++) dsp.printf(" "); break; case 2: // binary dsp.foreground(fgcolor); dsp.printf(" ["); for (uint8_t j=0; j<max(nchar, table[i].maxsize) ; j++) { if (j>0) { dsp.foreground(fgcolor); dsp.printf(" | "); } for (uint8_t k=0; k<8; k++) { if (txt[j] & (1 << (7-k))) dsp.foreground(fgcolor); else dsp.foreground(bgcolor); dsp.printf("%d", (8-k)); } } dsp.foreground(fgcolor); dsp.printf("]"); break; case 3: // flags for (uint8_t j=0; j<max(nchar, table[i].maxsize) ; j++) { for (uint8_t k=0; k<8; k++) { if ((txt[j] & (1 << k) ) != (oldv[j] & (1 << k))) { if (txt[j] & (1 << k)) dsp.foreground(fgcolor); else dsp.foreground(bgcolor); for (uint8_t l=0; l<(sizeof(flags)/sizeof(flags[0])); ++l) { if (flags[l].flag == ((j<<4) + k)) { if (flags[l].msg != NULL) { // a string dsp.locate(flags[l].x, flags[l].y); dsp.printf(flags[l].msg);} else { // an icon Bitmap_s pic = {9, 10, 2, flags[l].icon}; dsp.Bitmap_BW(pic, flags[l].x, flags[l].y); } break; } } } } oldv[j] = txt[j]; } break; case 4: //ignore break; } } } dsp.copy_to_lcd(); } void test_dsp() { show(0x00, "8g8g8g8g8g8g8", 13); // main dsp show(0x0C, "888", 3); // channel dsp show(0x0A, "\xFF\xFF\xFF\xFF", 4); // flags dsp.copy_to_lcd(); } void loop() { // run over and over if (hp.readable()) { uint8_t val = hp.getc(); DebugPulse(3); // 0xFF: idle // 0xFE: frame finished // 0x66: Start of transmission received pc.printf(" VAL=0x%X\tCMD=0x%X\n", val, cmd); if (cmd == 0xFF) { if ((val == 0x66) || (val == 0x99)) { cmd = val; } else if ((val == 0x00) || (val == 0x55)){ // probably an ACK for a keypad related event } else { // display "junk" byte //DebugPulse(); show(0xFF, "", 0); dsp.printf("%02X:> %02x", cmd, val); } } else if (cmd == 0xFE ) { if ((val == 0x66) || (val == 0x99)) { cmd = val; } else if (val == 0x55) { cmd = 0xFF; } else if (val == 0x00){ // probably an ACK for a keypad related event } else { // display "junk" byte DebugPulse(); show(0xFF, "", 5); dsp.printf("%02X=> %02x", cmd, val); } } else if (cmd == 0x66) { // waiting for the display command if ((val == 0x0C) || (val == 0x00) || (val == 0x01) || (val == 0x02) || (val == 0x0A)) { cmd = val; nchars = 0; } else { cmd = 0xFE; // display unknown cmd byte DebugPulse(); show(0xFF, "", 10); dsp.printf("%02X-> %02x", cmd, val); } } else if (cmd == 0x99) { // waiting for a 0x00, it's the DP that sent a keypress event if (val != 0x00) { show(0xFF, "", 0); dsp.printf("%02X kp %02X", cmd, val); } cmd = 0xFF; } else if (nchars == 0) { // waiting for the number of chars to display if (val>MAX_BUFF) { // display warning //dsp(); //dsp << cmd << " got len " << val; //DebugPulse(); show(0xFF, "", 0); dsp.printf("%02X len %d", cmd, val); cmd = 0xFE; // weird } else { nchars = val; curchar = 0; } } else { // a character to display buffer[curchar] = val; curchar++; if (curchar == nchars) { buffer[curchar] = 0x00; show(cmd, buffer, nchars); nchars = 0; curchar = 0; cmd = 0xFE; } } DebugPulse(4); } } int main() { setup(); while(1) loop(); }