restructuring

deprecated/F1/2.8TFT/main.c

@@ -0,0 +1,128 @@
+/*
+ * main.c
+ *
+ * Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include "main.h"
+#include "hardware_ini.h"
+#include "cdcacm.h"
+#include "dmagpio.h"
+#include "lcd.h"
+#include "registers.h"
+
+volatile uint32_t Timer = 0; // global timer (milliseconds)
+usbd_device *usbd_dev;
+
+int main(){
+	uint32_t Old_timer = 0;
+
+	// RCC clocking: 8MHz oscillator -> 72MHz system
+	rcc_clock_setup_in_hse_8mhz_out_72mhz();
+	// SysTick is a system timer with 1ms period
+	SysTick_init();
+	// disable JTAG to use PA13/PA14
+	gpio_primary_remap(AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_OFF, 0);
+	GPIO_init();
+
+	usb_disconnect(); // turn off USB while initializing all
+
+	// USB
+	usbd_dev = USB_init();
+
+	dmagpio_init();
+
+	usb_connect(); // turn on USB
+
+	LCD_reset();
+
+	int oldusblen = 0, x = 0, y = 0;
+	int id = LCD_init();
+	if(!id) P("failed to init LCD\n");
+	uint16_t colr = 0;
+	while(1){
+		usbd_poll(usbd_dev);
+		if(usbdatalen != oldusblen){ // there's something in USB buffer
+			parse_incoming_buf(usbdatabuf, &usbdatalen);
+			oldusblen = usbdatalen;
+			id = 0;
+		}
+		if(transfer_complete){
+			P("transfered\n");
+			transfer_complete = 0;
+		}
+		setpix(x++, y++, colr);
+		if(x > 200) x = 0;
+		if(y > 200) y = 0;
+		if(Timer - Old_timer > 999){ // one-second cycle
+			Old_timer += 1000;
+			P("Display id: ");
+			print_hex((uint8_t*)&id, 2);
+			newline();
+			//write_reg(ILI932X_DISP_CTRL1, 0x0133);
+			if(id){
+				uint16_t r = read_reg(ILI932X_RW_GRAM);
+				print_hex((uint8_t*)&r, 2);
+				/*P(", status: ");
+				r = LCD_status_read();
+				print_hex((uint8_t*)&r, 2);*/
+				newline();
+				uint16_t i;
+				for(i = 0; i < 0x29; ++i){
+					r = read_reg(i);
+					print_hex((uint8_t*)&i, 2); P(" = ");
+					print_hex((uint8_t*)&r, 2); usb_send(' ');
+					r = read_reg(i); print_hex((uint8_t*)&r, 2);
+					newline();
+				}
+				putpoint(colr);
+				colr += 32;
+			}else{
+				LCD_reset();
+				id = LCD_init();
+				if(!id) P("failed to init LCD\n");
+			}
+		}else if(Timer < Old_timer){ // Timer overflow
+			Old_timer = 0;
+		}
+	}
+}
+
+
+/**
+ * SysTick interrupt: increment global time & send data buffer through USB
+ */
+void sys_tick_handler(){
+	Timer++;
+	usbd_poll(usbd_dev);
+	usb_send_buffer();
+}
+
+// pause function, delay in ms
+void Delay(uint16_t _U_ time){
+	uint32_t waitto = Timer + time;
+	while(Timer < waitto);
+}
+
+/**
+ * print current time in milliseconds: 4 bytes for ovrvlow + 4 bytes for time
+ * with ' ' as delimeter
+ */
+void print_time(){
+	print_int(Timer);
+}