C0d3v/ErinnerungenArchiv
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Compare commits

base: C0d3v:c7e5a92edfec4f4b6d0536dbe7ca182e14e06615
Branches Tags
C0d3v:main
..
compare: C0d3v:876b2f0db6f0728178c6db9dffe3fb53a1ab829f
Branches Tags
C0d3v:main

2 Commits
c7e5a92edf ... 876b2f0db6

Author SHA1 Message Date
C0d3v
876b2f0db6 Use bit based communication with drawers 2026-01-15 20:04:02 +01:00
C0d3v
7a77347bc2 Use bit based communication for I2C 2026-01-15 20:00:26 +01:00
2 changed files with 19 additions and 16 deletions
Show Stats Expand all files Collapse all files

19
drawers/src/main.cpp
View File

@ -3,9 +3,12 @@
const uint8_t I2C_ADDR = 0x10;
const uint8_t CMD_POWER_OFF = 0x01;
const uint8_t CMD_LIGHT_INDEX = 0x02;
const uint8_t CMD_DRAWER_INDEX = 0x03;
const uint8_t BITMASK_CMD = 0b00011000;
const uint8_t BITMASK_PAYLOAD = 0b00000111;
const uint8_t CMD_POWER_OFF = 0b00001000;
const uint8_t CMD_LIGHT_INDEX = 0b00010000;
const uint8_t CMD_DRAWER_INDEX = 0b00011000;
struct Schublade {
int schlossPin;
@ -47,22 +50,20 @@ void openLock(uint8_t indexOn) {
void onI2CReceive(int len) {
while (Wire.available()) {
uint8_t cmd = Wire.read();
uint8_t data = Wire.read();
switch (cmd) {
switch (data & BITMASK_CMD) {
case CMD_POWER_OFF:
turnAllLedsOf();
break;
case CMD_LIGHT_INDEX:
uint8_t lightIndex = Wire.read();
turnOnSingleLed(lightIndex);
turnOnSingleLed(data & BITMASK_PAYLOAD);
break;
case CMD_DRAWER_INDEX:
uint8_t drawerIndex = Wire.read();
openLock(drawerIndex);
openLock(data & BITMASK_PAYLOAD);
break;
}
}

16
terminal/master/src/main.cpp
View File

@ -5,15 +5,18 @@ void resetPuzzles();
/* ========================================================= */
const uint8_t ARCHIV_ADDR = 0x10;
const uint8_t CMD_POWER_OFF = 0x01;
const uint8_t CMD_LIGHT_INDEX = 0x02;
const uint8_t CMD_DRAWER_INDEX = 0x03;
const uint8_t BITMASK_CMD = 0b00011000;
const uint8_t BITMASK_PAYLOAD = 0b00000111;
const uint8_t CMD_POWER_OFF = 0b00001000;
const uint8_t CMD_LIGHT_INDEX = 0b00010000;
const uint8_t CMD_DRAWER_INDEX = 0b00011000;
void setDrawerLight(uint8_t index)
{
Wire.beginTransmission(ARCHIV_ADDR);
Wire.write(CMD_LIGHT_INDEX);
Wire.write(index);
Wire.write(CMD_LIGHT_INDEX | (index & BITMASK_PAYLOAD));
Wire.endTransmission();
}
@ -27,8 +30,7 @@ void turnLightsOff()
void openDrawer(uint8_t index)
{
Wire.beginTransmission(ARCHIV_ADDR);
Wire.write(CMD_DRAWER_INDEX);
Wire.write(index);
Wire.write(CMD_DRAWER_INDEX | (index & BITMASK_PAYLOAD));
Wire.endTransmission();
}
/* ========================================================= */