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Tune TM1638 key/leds

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This commit is contained in:
Theo Arends 2023-02-06 18:07:05 +01:00
parent 289703c97a
commit f76d7ee8cf
1 changed files with 21 additions and 36 deletions
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57
tasmota/tasmota_xdrv_driver/xdrv_66_tm1638.ino
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@ -41,6 +41,12 @@
#ifndef TM1638_MAX_LEDS #ifndef TM1638_MAX_LEDS
#define TM1638_MAX_LEDS 8 #define TM1638_MAX_LEDS 8
#endif #endif
#ifndef TM1638_BRIGHTNESS
#define TM1638_BRIGHTNESS 0 // Brightness from 0 to 7
#endif
#ifndef TM1638_DISPLAY_ON
#define TM1638_DISPLAY_ON 1 // Display off (0) or on (1)
#endif
#define TM1638_COLOR_NONE 0 #define TM1638_COLOR_NONE 0
#define TM1638_COLOR_RED 1 #define TM1638_COLOR_RED 1
@ -54,11 +60,6 @@ struct TM1638 {
int8_t strobe_pin = 0; int8_t strobe_pin = 0;
int8_t key_offset; int8_t key_offset;
int8_t led_offset; int8_t led_offset;
uint8_t displays;
uint8_t power;
uint8_t active_display = 1;
uint8_t intensity = 0;
bool detected = false; bool detected = false;
} Tm1638; } Tm1638;
@ -68,7 +69,7 @@ struct TM1638 {
\*********************************************************************************************/ \*********************************************************************************************/
void Tm16XXSend(uint8_t data) { void Tm16XXSend(uint8_t data) {
for (uint32_t i = 0; i < 8; i++) { for (uint32_t i = 0; i < 8; i++) { // 8 bits
digitalWrite(Tm1638.data_pin, !!(data & (1 << i))); digitalWrite(Tm1638.data_pin, !!(data & (1 << i)));
digitalWrite(Tm1638.clock_pin, LOW); digitalWrite(Tm1638.clock_pin, LOW);
delayMicroseconds(TM1638_CLOCK_DELAY); delayMicroseconds(TM1638_CLOCK_DELAY);
@ -83,6 +84,9 @@ void Tm16XXSendCommand(uint8_t cmd) {
} }
void TM16XXSendData(uint8_t address, uint8_t data) { void TM16XXSendData(uint8_t address, uint8_t data) {
// TM_WRITE_LOC 0x44 - Write to a location
// TM_SEG_ADR 0xC0 - leftmost segment Address C0 C2 C4 C6 C8 CA CC CE
// TM_LEDS_ADR 0xC1 - Leftmost LED address C1 C3 C5 C7 C9 CB CD CF
Tm16XXSendCommand(0x44); Tm16XXSendCommand(0x44);
digitalWrite(Tm1638.strobe_pin, LOW); digitalWrite(Tm1638.strobe_pin, LOW);
Tm16XXSend(0xC0 | address); Tm16XXSend(0xC0 | address);
@ -97,7 +101,7 @@ uint8_t Tm16XXReceive(void) {
pinMode(Tm1638.data_pin, INPUT); pinMode(Tm1638.data_pin, INPUT);
digitalWrite(Tm1638.data_pin, HIGH); digitalWrite(Tm1638.data_pin, HIGH);
for (uint32_t i = 0; i < 8; ++i) { for (uint32_t i = 0; i < 8; ++i) { // 8 bits
digitalWrite(Tm1638.clock_pin, LOW); digitalWrite(Tm1638.clock_pin, LOW);
delayMicroseconds(TM1638_CLOCK_DELAY); delayMicroseconds(TM1638_CLOCK_DELAY);
temp |= digitalRead(Tm1638.data_pin) << i; temp |= digitalRead(Tm1638.data_pin) << i;
@ -113,37 +117,15 @@ uint8_t Tm16XXReceive(void) {
/*********************************************************************************************/ /*********************************************************************************************/
void Tm16XXClearDisplay(void) {
for (uint32_t i = 0; i < Tm1638.displays; i++) {
TM16XXSendData(i << 1, 0);
}
}
void Tm1638SetLED(uint8_t color, uint8_t pos) { void Tm1638SetLED(uint8_t color, uint8_t pos) {
TM16XXSendData((pos << 1) + 1, color); TM16XXSendData((pos << 1) + 1, color);
} }
void Tm1638SetLEDs(word leds) {
for (uint32_t i = 0; i < Tm1638.displays; i++) {
uint8_t color = 0;
if ((leds & (1 << i)) != 0) {
color |= TM1638_COLOR_RED;
}
if ((leds & (1 << (i + 8))) != 0) {
color |= TM1638_COLOR_GREEN;
}
Tm1638SetLED(color, i);
}
}
uint8_t Tm1638GetButtons(void) { uint8_t Tm1638GetButtons(void) {
uint8_t keys = 0; // TM_BUTTONS_MODE 0x42 - Buttons mode
digitalWrite(Tm1638.strobe_pin, LOW); digitalWrite(Tm1638.strobe_pin, LOW);
Tm16XXSend(0x42); Tm16XXSend(0x42);
uint8_t keys = 0;
for (uint32_t i = 0; i < 4; i++) { for (uint32_t i = 0; i < 4; i++) {
keys |= Tm16XXReceive() << i; keys |= Tm16XXReceive() << i;
} }
@ -167,13 +149,17 @@ void TmInit(void) {
digitalWrite(Tm1638.strobe_pin, HIGH); digitalWrite(Tm1638.strobe_pin, HIGH);
digitalWrite(Tm1638.clock_pin, HIGH); digitalWrite(Tm1638.clock_pin, HIGH);
// TM_WRITE_INC 0x40 - Incremental write
Tm16XXSendCommand(0x40); Tm16XXSendCommand(0x40);
Tm16XXSendCommand(0x80 | (Tm1638.active_display ? 8 : 0) | tmin(7, Tm1638.intensity)); // TM_BRIGHT_ADR 0x88 - Brightness address
Tm16XXSendCommand(0x80 | TM1638_DISPLAY_ON << 3 | TM1638_BRIGHTNESS);
// TM_SEG_ADR 0xC0 - leftmost segment Address C0 C2 C4 C6 C8 CA CC CE
// TM_LEDS_ADR 0xC1 - Leftmost LED address C1 C3 C5 C7 C9 CB CD CF
digitalWrite(Tm1638.strobe_pin, LOW); digitalWrite(Tm1638.strobe_pin, LOW);
Tm16XXSend(0xC0); Tm16XXSend(0xC0); // TM_SEG_ADR left most
for (uint32_t i = 0; i < 16; i++) { for (uint32_t i = 0; i < TM1638_MAX_DISPLAYS * 2; i++) {
Tm16XXSend(0x00); Tm16XXSend(0x00); // Init displays and leds
} }
digitalWrite(Tm1638.strobe_pin, HIGH); digitalWrite(Tm1638.strobe_pin, HIGH);
@ -194,7 +180,6 @@ void TmInit(void) {
Tm1638.led_offset = devices_present; Tm1638.led_offset = devices_present;
TasmotaGlobal.devices_present += TM1638_MAX_LEDS; TasmotaGlobal.devices_present += TM1638_MAX_LEDS;
Tm1638.key_offset = -1; Tm1638.key_offset = -1;
Tm1638.displays = TM1638_MAX_DISPLAYS;
Tm1638.detected = true; Tm1638.detected = true;
} }
} }