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Code Issues Releases Activity

i2c begin for ESP8266

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olikraus
2017-02-05 11:25:47 +01:00
parent 8975938ca0
commit 4aed6ee8f9
8 changed files with 196 additions and 175 deletions
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cppsrc/U8x8lib.cpp
+17 -2
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@@ -313,7 +313,7 @@ extern "C" uint8_t u8x8_byte_arduino_4wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uin
arduino_data_port = portOutputRegister(digitalPinToPort(u8x8->pins[U8X8_PIN_SPI_DATA]));
arduino_data_mask = digitalPinToBitMask(u8x8->pins[U8X8_PIN_SPI_DATA]);
arduino_data_n_mask = ~arduino_data_mask;
break;
case U8X8_MSG_BYTE_END_TRANSFER:
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->pre_chip_disable_wait_ns, NULL);
@@ -443,7 +443,20 @@ extern "C" uint8_t u8x8_byte_arduino_hw_i2c(U8X8_UNUSED u8x8_t *u8x8, U8X8_UNUSE
Wire.write((uint8_t *)arg_ptr, (int)arg_int);
break;
case U8X8_MSG_BYTE_INIT:
#ifdef ESP8266
/* for ESP8266, Wire.begin has two more arguments: clock and data */
if ( u8x8->pins[U8X8_PIN_I2C_CLOCK] != U8X8_PIN_NONE && u8x8->pins[U8X8_PIN_I2C_DATA] != U8X8_PIN_NONE )
{
// second argument for the wire lib is the clock pin. In u8g2, the first argument of the clock pin in the clock/data pair
Wire.begin(u8x8->pins[U8X8_PIN_I2C_DATA] , u8x8->pins[U8X8_PIN_I2C_CLOCK]);
}
else
{
Wire.begin();
}
#else
Wire.begin();
#endif
break;
case U8X8_MSG_BYTE_SET_DC:
break;
@@ -866,9 +879,11 @@ void u8x8_Setup_SSD13xx_SW_I2C(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clo
}
#endif /* obsolete com specific setup */
void u8x8_SetPin_HW_I2C(u8x8_t *u8x8, uint8_t reset)
void u8x8_SetPin_HW_I2C(u8x8_t *u8x8, uint8_t reset, uint8_t clock, uint8_t data)
{
u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
u8x8_SetPin(u8x8, U8X8_PIN_I2C_CLOCK, clock);
u8x8_SetPin(u8x8, U8X8_PIN_I2C_DATA, data);
}
void u8x8_SetPin_8Bit_6800(u8x8_t *u8x8, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t enable, uint8_t cs, uint8_t dc, uint8_t reset)