fanoush

Modules.addCached("DSD6OLED",function(){
//modified SSD1306, 128x32 but needs 0xda,0x12
// commands sent when initialising the display
var initCmds = new Uint8Array([ 
0xAe, // 0 disp off
0xD5, // 1 clk div
0x80, // 2 suggested ratio
0xA8, 31, // 3 set multiplex, height-1
0xD3,0x0, // 5 display offset
0x40, // 7 start line

fanoush

first console:

pi@raspberrypi:~ $ sudo openocd -d2 -f interface/stlink.cfg  -f target/nrf52.cfg
Open On-Chip Debugger 0.10.0+dev-00637-gb3ed97a4 (2019-01-03-22:45)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
debug_level: 2
Info : auto-selecting first available session transport "hla_swd". To override use 'transport select <transport>'.
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD

fanoush

//manual watchdog pinging mode is dangerous for Espruino Web IDE upload with 'reset() before upload' enabled
//you can brick your device with partial upload caused by watchdog reboot in the middle of upload
//E.enableWatchdog(6, false);
//var wdint=setInterval(function(){if(!BTN1.read())E.kickWatchdog();},1000);
var log=console.log;
Modules.addCached("HX03WLCD",function(){
// commands sent when initialising the display
var initCmds = new Uint8Array([
  0xAE, // 0 disp off
  0xD5, // 1 clk div

fanoush

void LCD_Init(void)

{
  GPIO_CfgPinOutput(5);
  GPIO_CfgPinOutput(6);
  GPIO_CfgPinOutput(0x1d);
  GPIO_CfgPinOutput(0x10);
  _DAT_5000050c = 0x10000; /* clear D16 */
  GPIO_ConfOutput4_28();
  D4_PulseZero50ms();

fanoush

// https://www.espruino.com/Reference#l_NRF_setServices
// https://github.com/gfwilliams/workshop-thingy52/blob/master/step5.md
// http://forum.espruino.com/conversations/322805/

var atf={};
var user="";
atf.USER=function(p,t){
  if(p){
    user=p;
  }

fanoush

// https://github.com/gfwilliams/EspruinoCompiler/issues/10
// https://www.espruino.com/service/compiler => http://127.0.0.1:32766
// old compile.js:  var cflags =  "-mlittle-endian -mthumb -mcpu=cortex-m3  -mfix-cortex-m3-ldrd  -mthumb-interwork -mfloat-abi=soft ";
// new: var cflags = "-mlittle-endian -mthumb -mcpu=cortex-m4  -mthumb-interwork -mfloat-abi=softfp -mfpu=fpv4-sp-d16 -fsingle-precision-constant -Wdouble-promotion -Wfloat-conversion ";
//	
// power drain fix	
// https://devzone.nordicsemi.com/f/nordic-q-a/15243/high-power-consumption-when-using-fpu	
// https://devzone.nordicsemi.com/f/nordic-q-a/12433/fpu-divide-by-0-and-high-current-consumption	
// https://infocenter.nordicsemi.com/index.jsp?topic=%2Ferrata_nRF52832_EngC%2FERR%2FnRF52832%2FEngineeringC%2Flatest%2Fanomaly_832_87.html&anchor=anomaly_832_87

fanoush

function mandelCompJS(x,y) {
  "compiled";
  var Xr = 0;
  var Xi = 0;
  var i = 0;
  var Cr=(4*x/64)-2;
  var Ci=(4*y/64)-2;
  while ((i<32) & ((Xr*Xr+Xi*Xi)<4)) {
    var t=Xr*Xr - Xi*Xi + Cr;
    Xi=2*Xr*Xi+Ci;

fanoush

diff --git a/make/family/NRF52.make b/make/family/NRF52.make
index 725cb55d..90bd9b69 100644
--- a/make/family/NRF52.make
+++ b/make/family/NRF52.make
@@ -46,6 +46,7 @@ NRF5X_SDK=11
 NRF5X_SDK_11=1
 NRF5X_SDK_PATH=$(ROOT)/targetlibs/nrf5x_11
 DEFINES += -DNRF_SD_BLE_API_VERSION=2
+DEFINES += -D__HEAP_SIZE=0 -D__STACK_SIZE=0x2600 -D__STARTUP_CLEAR_BSS
 SOFTDEVICE        = $(SOFTDEVICE_PATH)/hex/s132_nrf52_2.0.0_softdevice.hex

fanoush

C code

double __attribute__((pcs("aapcs"))) f2d(float f) {
return (double)f;
}

double __attribute__((pcs("aapcs-vfp"))) __hard_f2d(float f){
return (double)f;
}

fanoush

diff -Naur Next186_SoC.orig/186Code/BIOS/bootload_BIOS_SD/bootstrap.asm Next186_SoC/186Code/BIOS/bootload_BIOS_SD/bootstrap.asm
--- Next186_SoC.orig/186Code/BIOS/bootload_BIOS_SD/bootstrap.asm	2016-09-26 14:42:28.401003600 +0200
+++ Next186_SoC/186Code/BIOS/bootload_BIOS_SD/bootstrap.asm	2018-02-14 22:57:25.033245500 +0100
@@ -95,32 +95,29 @@
 		call		sdinit_
 		test		ax, ax
 		jz		short RS232
-		mov		dx, ax
+		mov		dx, ax		; first try to read bios from end of card
 		shr		dx, 6