// // #include "pico/stdlib.h" #include #include #include #include #include "stdlib.h" #include "hardware/vreg.h" #include "hardware/clocks.h" #include "math.h" #include "hardware/adc.h" #include "DVIinit_640x480x4_v0.h" #include "pt_cornell_rp2040_v1_4.h" float core_temp ; // ================================================== // === dvi test thread // ================================================== // static PT_THREAD (protothread_dvi(struct pt *pt)) { // every thread begins with PT_BEGIN(pt); PT_BEGIN(pt); // animation state variables static int x_pos = 50, x_dir=1 ; static float x_pos1 = 50.0f, x_dir1=-0.25f ; static int x_pos2 = 0, x_dir2=1 ; static int k ; static int frame_count ; static char round_color, round_color1 ; // Title block -- put static stuff at top fillRect(0, 0, 639, 39,rgb332(1,1,1)); fillRect(0, 39, 639, 2, 0xff); drawTextTiny8(2, 2, "Cornell ECE4760", 0xff, rgb332(1,1,1)); drawTextTiny8(2, 12, "Pico2 rp2350", 0xff, rgb332(1,1,1)); drawTextTiny8(2, 22, "Hunter Adams", 0xff, rgb332(1,1,1)); drawTextArial24(180, 2, "DVI 640x480 8-bit", 0xff, rgb332(1,1,1)); drawTextTiny8(550, 22, "Bruce Land", 0xff, rgb332(1,1,1)); drawTextTiny8(550, 12, "04nov2026", 0xff, rgb332(1,1,1)); drawTextTiny8(550, 1, "DVI Ver 1", 0xff, rgb332(1,1,1)); // end title block // clearLowFrame(0, 0); drawTextGLCD(5, 330, "GLCD - abcdefghijklmnopqurstuvwxyz 1234567890",WHITE, 0); drawTextGLCD(5, 340, "ABCDEFGHIJKLMNOPQRSTUVWXYZ !@#$^&*()",WHITE, 0); // drawTextVGA437(5, 350, "VGA437 - abcdefghijklmnopqurstuvwxyz 123457890",GREEN, 0); drawTextVGA437(5, 368, "ABCDEFGHIJKLMNOPQRSTUVWXYZ !@#$^&*()",GREEN, 0); // drawTextArial24(5, 385, "Arial24 - abcdefghijklmnopqurstuvwxyz ",WHITE, 0); drawTextArial24(5, 411, "ABCDEFGHIJKLMNOPQRSTUVWXYZ !@#$^&*()",WHITE, 0); // drawTextGrotesk32(5, 436, "Grotesk32 - ABCDEFGHIJKLmnopqurstuvwxyz ",GREEN, 0); //drawTextGrotesk32(5, 450, " ABCDEFGHIJKLMNOPQRSTUVWXYZ !@#$^&*()",GREEN, 0); // title bar drawTextArial24(180, 7, "DVI 640x480 4-bit", WHITE, 0); drawTextTiny8(2, 3, "Cornell ECE4760", 0xf, 0); drawTextTiny8(2, 15, "Pico2 rp2350", 0xf, 0); drawTextTiny8(2, 25, "Hunter Adams", 0xf, 0); drawTextTiny8(550, 25, "Bruce Land", 0xf, 0); drawTextTiny8(550, 15, "15oct2026", 0xf, 0); drawTextTiny8(550, 3, "DVI4 Ver 0", 0xf, 0); fillRect(0, 40, 639, 2, 15) ; // char str[20]; // sprintf(str, "clk_sys=%3u MHz", sys_clock_actual/1000000); // drawTextVGA437 (180, 22, str, YELLOW, 0); // char video_buffer[64]; // The color pallette //setTextColor2(WHITE, BLACK) ; //setTextSize(1) ; for (int i=0; i<4; i++) { for (int j=0; j<4; j++){ fillRect(i*70+5, 50+j*70, 60, 49, i+4*j); //setCursor(i*70+20, 150+j*70) ; sprintf(video_buffer, " %02d ", i+4*j); drawTextGLCD(i*70+5, 50+j*70, video_buffer, WHITE, BLACK); } } // now the color names drawTextGLCD(0*70+5, 100+0*70, "BLACK", WHITE, BLACK); drawTextGLCD(1*70+5, 100+0*70, "DARK_GREEN", WHITE, BLACK); drawTextGLCD(2*70+5, 100+0*70, "MED_GREEN", WHITE, BLACK); drawTextGLCD(3*70+5, 100+0*70, "GREEN", WHITE, BLACK); drawTextGLCD(0*70+5, 100+1*70, "DARK_BLUE", WHITE, BLACK); drawTextGLCD(1*70+5, 100+1*70, "BLUE", WHITE, BLACK); drawTextGLCD(2*70+5, 100+1*70, "LIGHT_BLUE", WHITE, BLACK); drawTextGLCD(3*70+5, 100+1*70, "CYAN", WHITE, BLACK); drawTextGLCD(0*70+5, 100+2*70, "RED", WHITE, BLACK); drawTextGLCD(1*70+5, 100+2*70, "DARK_ORANGE", WHITE, BLACK); drawTextGLCD(2*70+5, 100+2*70, " ORANGE", WHITE, BLACK); drawTextGLCD(3*70+5, 100+2*70, "YELLOW", WHITE, BLACK); drawTextGLCD(0*70+5, 100+3*70, "MAGENTA", WHITE, BLACK); drawTextGLCD(1*70+5, 100+3*70, "PINK", WHITE, BLACK); drawTextGLCD(2*70+5, 100+3*70, "LIGHT_PINK", WHITE, BLACK); drawTextGLCD(3*70+5, 100+3*70, "WHITE", WHITE, BLACK); // 640x480 boundary box drawHLine(0, 0, 640, WHITE) ; drawHLine(0, 479, 640, WHITE) ; drawVLine(0,0,480, WHITE) ; drawVLine(639,0,480, WHITE) ; while(1) { // // wait here for frame start PT_YIELD_UNTIL(pt, start_frame==1); //gpio_put(2,1); start_frame = false; // clear buffer // above 40 is static image clearRect(290, 50, 639, 330, 0) ; frame_count++ ; // // animation control for three different trajectories if (x_pos2>150) x_dir2 = -1 ; else if (x_pos2<0) x_dir2 = 1; x_pos2 += x_dir2 ; // if (x_pos>80) x_dir = -1 ; else if (x_pos<0) x_dir = 1; x_pos += x_dir ; // if (x_pos1>50.0f) x_dir1 = -0.25f ; else if (x_pos1<5.0f) x_dir1 = 0.25f; x_pos1 += x_dir1 ; // //drawRect(x_pos, 210, 40, 35, YELLOW); //fillRect(x_pos, 250, 40, 35, YELLOW); // fillCircle(400, 180, (int)x_pos1+10, RED); fillCircle(400, 180, (int)x_pos1, LIGHT_BLUE); // fillTri(500+x_pos, 122, 550+x_pos, 133+x_pos, 525, 200+x_pos, MED_GREEN) ; // short point_list[4][2] = {500, 132, 550, 140, 525, 210, 500, 132} ; //550 to 530 short point_list[4][2] = {500, 122, 550, 133, 525, 200, 500, 122} ; // drawMultiLine(4, point_list, GREEN) ; fillRoundRect(300+x_pos2, 300, 160, 30, 5, ORANGE) ; if(x_dir2 == 1){ drawTextArial24(302+x_pos2, 302, "move right", BLACK, ORANGE); } else { drawTextArial24(302+x_pos2, 302, "move left", BLACK, ORANGE); } //gpio_put(2,0); // NEVER exit WHILE in a thread } // END WHILE(1) // every thread ends with PT_END(pt); PT_END(pt); } // end draw thread // ================================================== // ADC read thread protothread // ================================================== // this currently reads the internal temperature // and populates a circuilar buffer 100 long static PT_THREAD (protothread_temp(struct pt *pt)){ PT_BEGIN(pt); const float conversion_factor = 3.3f / 4096.0f ; adc_init(); adc_set_temp_sensor_enabled(true); adc_select_input(4); while(true) { PT_YIELD_usec(1000000); // conver to volts float result = (float)adc_read() * conversion_factor; //printf("adc %d v %f \n", adc_read(), result); /// convert volts to ~temp (from hardare manual) core_temp = 27.0f - (result -0.706f)/0.001721f ; } PT_END(pt); } // ======================================== // === core 1 main -- started in main below // ======================================== void core1_main(){ // === add threads ==================== // for core 1 pt_add_thread(protothread_temp); // // === initalize the scheduler ========== pt_sched_method = SCHED_ROUND_ROBIN ; pt_schedule_start ; // NEVER exits // ====================================== } // ======================================== // === core 0 main // ======================================== // VREG_VOLTAGE_1_30 = 0b01111, // 300 MHz // #if !PICO_RP2040 // // Above this point you will need to set POWMAN_VREG_CTRL_DISABLE_VOLTAGE_LIMIT // VREG_VOLTAGE_1_35 = 0b10000, // VREG_VOLTAGE_1_40 = 0b10001, // 450 MHz // VREG_VOLTAGE_1_50 = 0b10010, int main(){ // set the core voltage only necessarey for 300 MHz vreg_disable_voltage_limit (); vreg_set_voltage(VREG_VOLTAGE_1_30 ); // set the clock 250 works set_sys_clock_khz (252000, false); //375 // stablize clock sleep_ms(10); // record clock for HSTX setup sys_clock_actual = clock_get_hz(clk_sys) ; //=== start the serial i/o ================== stdio_init_all() ; // announce the threader version on system reset // if there is a seral terminal attached printf("\n\rProtothreads RP2040 v1.4 two-core, priority\n\r"); // fire up the HSTX DVIinit() ; // JUIST FOR TIMING gpio_init(2) ; gpio_set_dir(2, GPIO_OUT) ; // start core 1 threads multicore_reset_core1(); multicore_launch_core1(&core1_main); // === config threads ======================== // for core 0 two threads pt_add_thread(protothread_dvi); //pt_add_thread(protothread_serial); // === initalize the scheduler =============== // method is either: // SCHED_PRIORITY or SCHED_ROUND_ROBIN pt_sched_method = SCHED_ROUND_ROBIN ; pt_schedule_start ; // !!pt_schedule_start NEVER exits // =========================================== } // end main /////////// // end //// ///////////