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SPI display option for 4 Line Display usermod.

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This commit is contained in:
Blaz Kristan
2021-08-19 16:13:30 +02:00
parent 445825df44
commit 5c3c8b7b8a
1 changed files with 97 additions and 40 deletions
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137
usermods/usermod_v2_four_line_display/usermod_v2_four_line_display.h
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@@ -31,6 +31,21 @@
#ifndef FLD_PIN_SDA
#define FLD_PIN_SDA 21
#endif
#ifndef FLD_PIN_CLOCKSPI
#define FLD_PIN_CLOCKSPI 18
#endif
#ifndef FLD_PIN_DATASPI
#define FLD_PIN_DATASPI 23
#endif
#ifndef FLD_PIN_DC
#define FLD_PIN_DC 19
#endif
#ifndef FLD_PIN_CS
#define FLD_PIN_CS 5
#endif
#ifndef FLD_PIN_RESET
#define FLD_PIN_RESET 26
#endif
#else
#ifndef FLD_PIN_SCL
#define FLD_PIN_SCL 5
@@ -38,6 +53,21 @@
#ifndef FLD_PIN_SDA
#define FLD_PIN_SDA 4
#endif
#ifndef FLD_PIN_CLOCKSPI
#define FLD_PIN_CLOCKSPI 14
#endif
#ifndef FLD_PIN_DATASPI
#define FLD_PIN_DATASPI 13
#endif
#ifndef FLD_PIN_DC
#define FLD_PIN_DC 12
#endif
#ifndef FLD_PIN_CS
#define FLD_PIN_CS 15
#endif
#ifndef FLD_PIN_RESET
#define FLD_PIN_RESET 16
#endif
#endif
// When to time out to the clock or blank the screen
@@ -64,11 +94,13 @@ typedef enum {
typedef enum {
NONE = 0,
SSD1306, // U8X8_SSD1306_128X32_UNIVISION_HW_I2C
SH1106, // U8X8_SH1106_128X64_WINSTAR_HW_I2C
SSD1306_64, // U8X8_SSD1306_128X64_NONAME_HW_I2C
SSD1305, // U8X8_SSD1305_128X32_ADAFRUIT_HW_I2C
SSD1305_64 // U8X8_SSD1305_128X64_ADAFRUIT_HW_I2C
SSD1306, // U8X8_SSD1306_128X32_UNIVISION_HW_I2C
SH1106, // U8X8_SH1106_128X64_WINSTAR_HW_I2C
SSD1306_64, // U8X8_SSD1306_128X64_NONAME_HW_I2C
SSD1305, // U8X8_SSD1305_128X32_ADAFRUIT_HW_I2C
SSD1305_64, // U8X8_SSD1305_128X64_ADAFRUIT_HW_I2C
SSD1306_SPI, // U8X8_SSD1306_128X32_NONAME_HW_SPI
SSD1306_SPI64 // U8X8_SSD1306_128X64_NONAME_HW_SPI
} DisplayType;
class FourLineDisplayUsermod : public Usermod {
@@ -80,8 +112,13 @@ class FourLineDisplayUsermod : public Usermod {
// HW interface & configuration
U8X8 *u8x8 = nullptr; // pointer to U8X8 display object
int8_t sclPin=FLD_PIN_SCL, sdaPin=FLD_PIN_SDA; // I2C pins for interfacing, get initialised in readFromConfig()
#ifndef FLD_SPI_DEFAULT
int8_t ioPin[5] = {FLD_PIN_SCL, FLD_PIN_SDA, -1, -1, -1}; // I2C pins: SCL, SDA
DisplayType type = SSD1306; // display type
#else
int8_t ioPin[5] = {FLD_PIN_CLOCKSPI, FLD_PIN_DATASPI, FLD_PIN_CS, FLD_PIN_DC, FLD_PIN_RESET}; // SPI pins: CLK, MOSI, CS, DC, RST
DisplayType type = SSD1306_SPI; // display type
#endif
bool flip = false; // flip display 180°
uint8_t contrast = 10; // screen contrast
uint8_t lineHeight = 1; // 1 row or 2 rows
@@ -131,53 +168,74 @@ class FourLineDisplayUsermod : public Usermod {
// network here
void setup() {
if (type == NONE) return;
if (!pinManager.allocatePin(sclPin)) { sclPin = -1; type = NONE; return;}
if (!pinManager.allocatePin(sdaPin)) { pinManager.deallocatePin(sclPin); sclPin = sdaPin = -1; type = NONE; return; }
bool allocated = false;
byte i;
if (type == SSD1306_SPI || type == SSD1306_SPI64) {
for (i=0; i<5; i++) if (!pinManager.allocatePin(ioPin[i])) { allocated=true; break; }
if (i<5 && allocated) { for (byte i=0; i<5; i++) pinManager.deallocatePin(ioPin[i]); type=NONE; return; }
} else {
for (i=0; i<2; i++) if (!pinManager.allocatePin(ioPin[i])) { allocated=true; break; }
if (i<2 && allocated) { for (byte i=0; i<5; i++) pinManager.deallocatePin(ioPin[i]); type=NONE; return; }
}
DEBUG_PRINTLN(F("Allocating display."));
switch (type) {
case SSD1306:
#ifdef ESP8266
if (!(sclPin==5 && sdaPin==4))
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_SW_I2C(sclPin, sdaPin); // SCL, SDA, reset
if (!(ioPin[0]==5 && ioPin[1]==4))
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else
#endif
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_HW_I2C(U8X8_PIN_NONE, sclPin, sdaPin); // Pins are Reset, SCL, SDA
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
lineHeight = 1;
break;
case SH1106:
#ifdef ESP8266
if (!(sclPin==5 && sdaPin==4))
u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_SW_I2C(sclPin, sdaPin); // SCL, SDA, reset
if (!(ioPin[0]==5 && ioPin[1]==4))
u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else
#endif
u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_HW_I2C(U8X8_PIN_NONE, sclPin, sdaPin); // Pins are Reset, SCL, SDA
u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
lineHeight = 2;
break;
case SSD1306_64:
#ifdef ESP8266
if (!(sclPin==5 && sdaPin==4))
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_SW_I2C(sclPin, sdaPin); // SCL, SDA, reset
if (!(ioPin[0]==5 && ioPin[1]==4))
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else
#endif
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_HW_I2C(U8X8_PIN_NONE, sclPin, sdaPin); // Pins are Reset, SCL, SDA
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
lineHeight = 2;
break;
case SSD1305:
#ifdef ESP8266
if (!(sclPin==5 && sdaPin==4))
u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_NONAME_SW_I2C(sclPin, sdaPin); // SCL, SDA, reset
if (!(ioPin[0]==5 && ioPin[1]==4))
u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else
#endif
u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, sclPin, sdaPin); // Pins are Reset, SCL, SDA
u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
lineHeight = 1;
break;
case SSD1305_64:
#ifdef ESP8266
if (!(sclPin==5 && sdaPin==4))
u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_SW_I2C(sclPin, sdaPin); // SCL, SDA, reset
if (!(ioPin[0]==5 && ioPin[1]==4))
u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else
#endif
u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, sclPin, sdaPin); // Pins are Reset, SCL, SDA
u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
lineHeight = 2;
break;
case SSD1306_SPI:
if (!(ioPin[0]==FLD_PIN_CLOCKSPI && ioPin[1]==FLD_PIN_DATASPI)) // if not overridden these sould be HW accellerated
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_4W_SW_SPI(ioPin[0], ioPin[1], ioPin[2], ioPin[3], ioPin[4]);
else
u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_4W_HW_SPI(ioPin[2], ioPin[3], ioPin[4]); // Pins are cs, dc, reset
lineHeight = 1;
break;
case SSD1306_SPI64:
if (!(ioPin[0]==FLD_PIN_CLOCKSPI && ioPin[1]==FLD_PIN_DATASPI)) // if not overridden these sould be HW accellerated
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_4W_SW_SPI(ioPin[0], ioPin[1], ioPin[2], ioPin[3], ioPin[4]);
else
u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_4W_HW_SPI(ioPin[2], ioPin[3], ioPin[4]); // Pins are cs, dc, reset
lineHeight = 2;
break;
default:
@@ -605,10 +663,10 @@ class FourLineDisplayUsermod : public Usermod {
* I highly recommend checking out the basics of ArduinoJson serialization and deserialization in order to use custom settings!
*/
void addToConfig(JsonObject& root) {
JsonObject top = root.createNestedObject(FPSTR(_name));
JsonArray i2c_pin = top.createNestedArray("pin");
i2c_pin.add(sclPin);
i2c_pin.add(sdaPin);
JsonObject top = root.createNestedObject(FPSTR(_name));
JsonArray io_pin = top.createNestedArray("pin");
for (byte i=0; i<5; i++) io_pin.add(ioPin[i]);
top["help4PinTypes"] = F("Clk,Data,CS,DC,RST"); // help for Settings page
top["type"] = type;
top[FPSTR(_flip)] = (bool) flip;
top[FPSTR(_contrast)] = contrast;
@@ -630,8 +688,7 @@ class FourLineDisplayUsermod : public Usermod {
bool readFromConfig(JsonObject& root) {
bool needsRedraw = false;
DisplayType newType = type;
int8_t newScl = sclPin;
int8_t newSda = sdaPin;
int8_t newPin[5]; for (byte i=0; i<5; i++) newPin[i] = ioPin[i];
JsonObject top = root[FPSTR(_name)];
if (top.isNull()) {
@@ -640,9 +697,8 @@ class FourLineDisplayUsermod : public Usermod {
return false;
}
newScl = top["pin"][0] | newScl;
newSda = top["pin"][1] | newSda;
newType = top["type"] | newType;
for (byte i=0; i<5; i++) newPin[i] = top["pin"][i] | ioPin[i];
flip = top[FPSTR(_flip)] | flip;
contrast = top[FPSTR(_contrast)] | contrast;
refreshRate = (top[FPSTR(_refreshRate)] | refreshRate/1000) * 1000;
@@ -653,20 +709,21 @@ class FourLineDisplayUsermod : public Usermod {
DEBUG_PRINT(FPSTR(_name));
if (!initDone) {
// first run: reading from cfg.json
sclPin = newScl;
sdaPin = newSda;
for (byte i=0; i<5; i++) ioPin[i] = newPin[i];
type = newType;
DEBUG_PRINTLN(F(" config loaded."));
} else {
DEBUG_PRINTLN(F(" config (re)loaded."));
// changing parameters from settings page
if (sclPin!=newScl || sdaPin!=newSda || type!=newType) {
bool pinsChanged = false;
for (byte i=0; i<5; i++) if (ioPin[i] != newPin[i]) { pinsChanged = true; break; }
if (pinsChanged || type!=newType) {
if (type != NONE) delete (static_cast<U8X8*>(u8x8));
pinManager.deallocatePin(sclPin);
pinManager.deallocatePin(sdaPin);
sclPin = newScl;
sdaPin = newSda;
if (newScl<0 || newSda<0) {
for (byte i=0; i<5; i++) {
if (ioPin[i]>=0) pinManager.deallocatePin(ioPin[i]);
ioPin[i] = newPin[i];
}
if (ioPin[0]<0 || ioPin[1]<0) { // data & clock must be > -1
type = NONE;
return true;
} else type = newType;
@@ -678,7 +735,7 @@ class FourLineDisplayUsermod : public Usermod {
if (needsRedraw && !wakeDisplay()) redraw(true);
}
// use "return !top["newestParameter"].isNull();" when updating Usermod with new features
return true;
return !(top["pin"][2]).isNull();
}
/*