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Refactor TM1621 driver

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This commit is contained in:
Theo Arends 2024-07-02 17:21:48 +02:00
parent 0e6e4e8949
commit 0b54d49181
1 changed files with 25 additions and 14 deletions
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39
tasmota/tasmota_xdrv_driver/xdrv_87_esp32_sonoff_tm1621.ino
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@ -56,10 +56,13 @@ enum Tm1621Units { TM1621_NONE, TM1621_TEMPERATURE, TM1621_HUMIDITY, TM1621_VOL
const uint8_t tm1621_commands[] = { TM1621_SYS_EN, TM1621_LCD_ON, TM1621_BIAS, TM1621_TIMER_DIS, TM1621_WDT_DIS, TM1621_TONE_OFF, TM1621_IRQ_DIS };
const char tm1621_kchar[] PROGMEM = { "0|1|2|3|4|5|6|7|8|9|-|E| " };
// 0 1 2 3 4 5 6 7 8 9 - E off
const uint8_t tm1621_digit_row[2][13] = {{ 0x5F, 0x50, 0x3D, 0x79, 0x72, 0x6B, 0x6F, 0x51, 0x7F, 0x7B, 0x20, 0x2F, 0x00 },
{ 0xF5, 0x05, 0xB6, 0x97, 0x47, 0xD3, 0xF3, 0x85, 0xF7, 0xD7, 0x02, 0xF2, 0x00 }};
const char tm1621_kchar[] PROGMEM = { " |0|1|2|3|4|5|6|7|8|9|-|E" };
// b0 ---
// b1 / / b4
// --- b5
// b2 / / b6
// b3 --- off 0 1 2 3 4 5 6 7 8 9 - E
const uint8_t tm1621_digit[] = { 0x00, 0x5F, 0x50, 0x3D, 0x79, 0x72, 0x6B, 0x6F, 0x51, 0x7F, 0x7B, 0x20, 0x2F };
struct Tm1621 {
uint8_t buffer[8];
@ -228,6 +231,19 @@ void TM1621SendCommon(uint8_t common) {
}
}
uint32_t TM1621Row2(uint32_t row1) {
uint32_t row2 = 0;
bitWrite(row2, 0, bitRead(row1, 6));
bitWrite(row2, 1, bitRead(row1, 5));
bitWrite(row2, 2, bitRead(row1, 4));
bitWrite(row2, 3, bitRead(row1, 7));
bitWrite(row2, 4, bitRead(row1, 3));
bitWrite(row2, 5, bitRead(row1, 2));
bitWrite(row2, 6, bitRead(row1, 1));
bitWrite(row2, 7, bitRead(row1, 0));
return row2;
}
void TM1621SendRows(void) {
// Tm1621.row[x] = "text", "----", " " or a number with one decimal like "0.4", "237.5", "123456.7"
// "123456.7" will be shown as "12E4" being a four digit overflow
@ -265,16 +281,11 @@ void TM1621SendRows(void) {
for (uint32_t i = 0; i < 4; i++) {
needle[0] = row[i];
int index = GetCommandCode(command, sizeof(command), (const char*)needle, tm1621_kchar);
if (-1 == index) { index = 12; } // Off
uint32_t bidx = (0 == j) ? i : 7 -i;
buffer[bidx] = tm1621_digit_row[j][index];
}
if (dp) {
if (0 == j) {
buffer[2] |= 0x80; // Row 1 decimal point
} else {
buffer[5] |= 0x08; // Row 2 decimal point
}
if (-1 == index) { index = 0; } // Off
uint32_t digit = tm1621_digit[index];
if ((2 == i) && dp) { digit |= 0x80; } // Decimal point
uint32_t bidx = (!j) ? i : 7 -i;
buffer[bidx] = (j) ? TM1621Row2(digit) : digit;
}
}