Still broken, cannot fix "c++: error: unrecognized command-line optio…

…n ‘--opt-code-size’~"

Firmware/boards/ch552.json

@@ -0,0 +1,22 @@
+{
+  "build": {
+    "f_cpu": "24000000",
+    "size_iram": 256,
+    "size_xram": 1024,
+    "size_code": 14336,
+    "size_heap": 128,
+    "mcu": "ch552t",
+    "cpu": "mcs51"
+  },
+  "frameworks": [],
+  "upload": {
+    "maximum_ram_size": 1280,
+    "maximum_size": 14336,
+    "protocol": "stcgal",
+    "stcgal_protocol": "stc15",
+    "protocols": ["stcgal"]
+  },
+  "name": "Generic CH552",
+  "url": "http://www.wch.cn/product/CH552.html",
+  "vendor": "WCH"
+}

Firmware/link_medium.py

@@ -0,0 +1,2 @@
+Import("env")
+env.Append(LINKFLAGS=["--model-medium"])

Firmware/platformio.ini

@@ -1,14 +1,9 @@
-[env:ATmega8]
-framework = arduino
-platform = atmelavr
-board = ATmega8
+[env:CH552G]
+platform = intel_mcs51
+board = ch552
 
-; # Upload method
-; upload_protocol = usbasp # For tag-connect
+extra_scripts = link_medium.py
 
-; Dont check packages (bug in avr for attiny?)
-check_skip_packages = yes
-
-# Deps
-lib_deps =
-    Arduino-Lufa
+build_flags = 
+   -Wall
+   -I$PROJECT_PACKAGES_DIR/toolchain-sdcc/include/**

Firmware/src/delay.c

@@ -0,0 +1,50 @@
+#include "delay.h"
+
+#define MAIN_Fosc 16000000L   //Define the clock
+//#define MAIN_Fosc 11059200L   //Define the clock
+
+void delay_c_ms(unsigned char ms) //Software delay in mili-sec
+{                                 //Calibrated for STC on SDCC
+    unsigned int i;
+    do
+    {
+        i = MAIN_Fosc / 13000;
+        while (--i); // 14T per loop
+    } while (--ms);
+}
+
+void delay_c_ds(unsigned char ds) //Software delay in deci-sec
+{                                 //Calibrated for STC on SDCC
+    unsigned int i;
+    do
+    {
+        i = MAIN_Fosc / 1300;
+        while (--i); // 14T per loop
+    } while (--ds);
+}
+
+void delay_s_ms(unsigned char ms) //Software delay in mili-sec
+{                           //Calibrated for Nuvoton N76E003
+	ms;						//Must declare delay variable
+	__asm
+			MOV R2,dpl		//Variable ms was passed via dpl
+	00001$: MOV R1,#0x08	//8 x 12.5ms produces 1ms total
+	00002$:	MOV R0,#0xFA	//FA is 12.5ms (or C7 is 100us)
+	00003$: DJNZ R0,00003$
+			DJNZ R1,00002$
+			DJNZ R2,00001$
+	__endasm;
+}
+
+void delay_s_ds(unsigned char ds) //Software delay in deci-sec
+{                           //Calibrated for Nuvoton N76E003
+	ds;						//Must declare delay variable
+	__asm
+			MOV R2,dpl		//Variable ds was passed via dpl
+	00001$: MOV R1,#0x50	//80 x 12.5ms produces 1ds total
+	00002$:	MOV R0,#0xFA	//FA is 12.5ms (or C7 is 100us)
+	00003$: DJNZ R0,00003$
+			DJNZ R1,00002$
+			DJNZ R2,00001$
+	__endasm;
+}

Firmware/src/delay.h

@@ -0,0 +1,9 @@
+#ifndef __DELAY_H
+#define __DELAY_H
+
+void delay_c_ms(unsigned char ms);
+void delay_s_ms(unsigned char ms);
+void delay_c_ds(unsigned char ds);
+void delay_s_ds(unsigned char ds);
+
+#endif

Firmware/src/main.cpp

@@ -2,17 +2,22 @@
  * by 1721 Tidal Force!
  */
 
-#include <Arduino.h>
+#include "delay.h"
 
-void setup()
+void main(void)
 {
-    pinMode(LED_BUILTIN, OUTPUT);
-}
+    INIT_PIN // Macro if needed to initialize output pin
+        while (1)
+    {
+        ledPin = 0x00;   // LED on
+        delay_c_ds(250); // Software delay 2500ms
+        ledPin = 0xff;   // LED off
+        delay_s_ds(250); // Software delay 2500ms
 
-void loop()
-{
-    digitalWrite(LED_BUILTIN, HIGH);
-    delay(1000);
-    digitalWrite(LED_BUILTIN, LOW);
-    delay(1000);
-}
+        // int n;
+        // ledPin = 0;                  // LED on
+        // for (n = 0; n < 50000; n++); // waste some cycles
+        // ledPin = 1;                  // LED off
+        // for (n = 0; n < 50000; n++); // waste some cycles
+    }
+}