perjantai, 4. lokakuu 2024
Inspecting Uniden UBC-125XLT
tiistai, 17. syyskuu 2024
TIDRADIO TD-H3 firmware
H3_240625.BIN
8051 disassemblerWin10 Windows app produces nice and (maybe) correct looking 8051 table define and asm files
Reference.a51
Disassembly.a51
sunnuntai, 8. syyskuu 2024
Var systems BT
Some fast food restaurants use digital spread spectrum FHSS 2.4 GHz drive-thru systems with Bluetooth connectivity.
and LED systems with Bluetooth
Management system in shopping centre area (Serial, CAN, BT ...)
https://play.google.com/store/apps/dev?id=6884634465415948252&hl=en
Connectable with e.g. serial bluetooth terminal app.
sunnuntai, 1. syyskuu 2024
Arduino & RX-4MM3F
Arduino UNO R4
AUREL RX-4MM3F AM OOK receiver
const int dataPin = 8;
const int agcPin = 6;
const int rssiPin = A1;
int rssiValue = 0;
PinStatus dataValue;
char buf[8];
void setup() {
uint32_t startTime = millis();
while (!Serial && ((millis() - startTime) < 5000));
Serial.begin(9600);
analogReadResolution(12);
pinMode(dataPin, INPUT);
pinMode(rssiPin, INPUT);
pinMode(agcPin, OUTPUT);
digitalWrite(agcPin, LOW);
delay(250);
}
void loop() {
dataValue = digitalRead(dataPin);
rssiValue = analogRead(rssiPin);
sprintf(buf, "%4d %1d", rssiValue, dataValue);
Serial.println(buf);
}
sunnuntai, 18. elokuu 2024
Arduino UNO R4 RA4M1 register access
https://cdn.sparkfun.com/assets/b/1/d/3/6/RA4M1_Datasheet.pdf
copy R7FA4M1AB.h from
...AppData\Local\Arduino15\packages\arduino\hardware\renesas_uno\1.2.0\
variants\MINIMA\includes\ra\fsp\src\bsp\cmsis\Device\RENESAS\Include
to folder where your sketch is located.
#include "R7FA4M1AB.h"
void setup() {
uint32_t startTime = millis();
while (!Serial && ((millis() - startTime) < 3000));
Serial.begin(9600);
// Reset status register 0
uint8_t v8 = R_SYSTEM->RSTSR0;
Serial.println(v8);
// Reset status register 1
uint16_t v16 = R_SYSTEM->RSTSR1;
Serial.println(v16);
// Voltage monitor 1 circuit control register 1
v8 = R_SYSTEM->LVD1CR1;
Serial.println(v8);
// System clock division control register
uint32_t v32 = R_SYSTEM->SCKDIVCR;
Serial.println(v32);
// Standby control register
v16 = R_SYSTEM->SBYCR;
Serial.println(v16);
// VBATT status register
v8 = R_SYSTEM->VBTSR;
Serial.println(v8);
// Port control register 1
v32 = R_PORT0->PCNTR1;
Serial.println(v32);
v32 = R_PORT0->PODR;
Serial.println(v32);
v32 = R_PORT0->PDR;
// RTC 64-Hz counter
v8 = R_RTC->R64CNT;
Serial.println(v8);
// Serial port register
v8 = R_SCI0->SPTR;
Serial.println(v8);
// SPI control register
v8 = R_SPI0->SPCR;
Serial.println(v8);
// Key return flag register
v8 = R_KINT->KRF;
Serial.println(v8);
}
void loop() {
delay(1);
}
