// // #include "pico/stdlib.h" #include #include #include #include "stdlib.h" #include "hardware/vreg.h" #include "hardware/clocks.h" #include "math.h" #include "DVIinit_640x480x8_v1.h" #include "pt_cornell_rp2040_v1_4.h" // ================================================== // === 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 int x_pos1 = 50, x_dir1=1 ; static int x_pos2 = 50, x_dir2=1 ; while(1) { // // wait here for frame start PT_YIELD_UNTIL(pt, start_frame==1); start_frame = false; // clear buffer // gpio_put(2,1); clearRegion(0,480,rgb332(1,1,1)) ; gpio_put(2,0); // // Title block -- put static stuff at top //fillRect(0, 0, 639, 39,rgb332(1,1,1)); //drawTextVGA437(200, 2, "DVI 640x480 8-bit", 0xff, rgb332(1,1,1)); drawTextTiny8(2, 2, "Cornell ECE4760", 0xff, rgb332(1,1,1)); drawTextTiny8(2, 12, "rp2350, 300 MHz", 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, "14Sept2026", 0xff, rgb332(1,1,1)); drawTextTiny8(550, 1, "DVI Ver 1", 0xff, rgb332(1,1,1)); char str[20]; sprintf(str, "clk_sys = %u MHz", sys_clock_actual/1000000); drawTextVGA437 (200, 22, str, 0xff, rgb332(1,1,1)); // end title block // color pallet samples #define sq_wide 20 #define sq_high 15 #define top_start 40 for(int k=0; k<4; k++){ for(int j=0; j<8; j++){ for(int i=0; i<8; i++){ fillRect(i*sq_wide+k*8*sq_wide, j*sq_high+top_start, sq_wide-1, sq_high-1, rgb332(i,j,k)); } } } // gray scale fillRect(100,162,20, 20,rgb332(7,7,3)); fillRect(120,162,20, 20,rgb332(6,6,3)); fillRect(140,162,20, 20,rgb332(5,5,2)); fillRect(160,162,20, 20,rgb332(3,3,1)); fillRect(180,162,20, 20,rgb332(2,2,1)); fillRect(200,162,20, 20,rgb332(1,1,0)); drawTextTiny8(230, 164, "Grey Scale", 0xff, rgb332(1,1,1)); // // fillTri(5, 479, 635, 479, x_pos1, 300, rgb332(6, 4, 1)) ; fillTri(5, 200, 5, 400, x_pos, 300, hsv2rgb(fmodf((float)x_pos/10.0f, 360.0f), 1, 1)); fillTri(635, 180, 635, 300, x_pos2, 250, rgb332(7, 2, 0)) ; // animation control if (x_pos2>500) x_dir2 = -2 ; else if (x_pos2<102) x_dir2 = 2; x_pos2 += x_dir2 ; fillCircle(x_pos2, 300, 100 ,rgb332(1, 7, 3)); // if (x_pos>550) x_dir = -1 ; else if (x_pos<52) x_dir = 1; x_pos += x_dir ; fillCircle(x_pos, 350, 50 ,rgb332(0, 3, 1)); fillCircle(x_pos, 350, 40 ,rgb332(0, 4, 1)); fillCircle(x_pos, 350, 30 ,rgb332(0, 5, 1)); fillCircle(x_pos, 350, 20 ,rgb332(0, 6, 1)); fillCircle(x_pos, 350, 10 ,rgb332(0, 7, 1)); // //fillCircle(x_pos1, 275, 50 ,rgb332(0, 0, 0)); if (x_pos1>550) x_dir1 = -2 ; else if (x_pos1<52) x_dir1 = 2; x_pos1 += x_dir1 ; fillCircle(x_pos1, 275, 50 ,rgb332(3, 3, 0)); fillCircle(x_pos1, 275, 40 ,rgb332(4, 4, 0)); fillCircle(x_pos1, 275, 30 ,rgb332(5, 5, 0)); fillCircle(x_pos1, 275, 20 ,rgb332(6, 6, 0)); fillCircle(x_pos1, 275, 10 ,rgb332(7, 7, 0)); // line to maek sure we are drawing whole screen drawHLine(200, 479, 200, 0xff); // samples of the 4 fonts drawTextTiny8(220, 390, "Test Tiny8 font", 0, rgb332(6, 4, 1)); drawTextVGA437(200, 405, "Test Block 437 font", 0, rgb332(6, 4, 1)); drawTextArial24(180, 420, "Test Arial 24 font", 0, rgb332(6, 4, 1)); drawTextGrotesk32(140, 446, "Test Grotesk32 font", 0, rgb332(6,4,1)); // test number of objects // look like at 300 MHz can draw >1000 raadius 5 particles // 150 MHz half that for (int i=0; i<600; i++){ //fillCircle(x_pos1, 250+i/5, 5 ,rgb332(7, 7, 3)); } // NEVER exit WHILE in a thread } // END WHILE(1) // every thread ends with PT_END(pt); PT_END(pt); } // end blink thread // ======================================== // === core 1 main -- started in main below // ======================================== void core1_main(){ // === add threads ==================== // for core 1 //pt_add_thread(protothread_toggle25_off); // // === initalize the scheduler ========== pt_sched_method = SCHED_ROUND_ROBIN ; pt_schedule_start ; // NEVER exits // ====================================== } // ======================================== // === core 0 main // ======================================== int main(){ // set the core voltage only necessarey for 300 MHz vreg_set_voltage(VREG_VOLTAGE_1_30 ); // set the clock set_sys_clock_khz (150000, false); // 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 //// ///////////