Override for LPC1768 u8g/digipot I2C master ID (#16622)
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4 changed files with 24 additions and 15 deletions
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@ -2449,6 +2449,14 @@
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#endif // HAS_L64XX
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// @section i2cbus
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//
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// I2C Master ID for LPC176x LCD and Digital Current control
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// Does not apply to other peripherals based on the Wire library.
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//
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//#define I2C_MASTER_ID 1 // Set a value from 0 to 2
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/**
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* TWI/I2C BUS
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*
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@ -2477,10 +2485,10 @@
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* echo:i2c-reply: from:99 bytes:5 data:hello
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*/
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// @section i2cbus
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//#define EXPERIMENTAL_I2CBUS
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#if ENABLED(EXPERIMENTAL_I2CBUS)
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#define I2C_SLAVE_ADDRESS 0 // Set a value from 8 to 127 to act as a slave
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#endif
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// @section extras
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@ -26,7 +26,6 @@
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#ifdef TARGET_LPC1768
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#include "../../../inc/MarlinConfigPre.h"
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#include "i2c_util.h"
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#define U8G_I2C_OPT_FAST 16 // from u8g.h
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@ -43,13 +42,13 @@ void configure_i2c(const uint8_t clock_option) {
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PinCfg.OpenDrain = 0;
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PinCfg.Pinmode = 0;
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PinCfg.Portnum = 0;
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#if USEDI2CDEV_M == 0
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#if I2C_MASTER_ID == 0
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PinCfg.Funcnum = 1;
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PinCfg.Pinnum = 27; // SDA0 / D57 AUX-1 ... SCL0 / D58 AUX-1
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#elif USEDI2CDEV_M == 1
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#elif I2C_MASTER_ID == 1
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PinCfg.Funcnum = 3;
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PinCfg.Pinnum = 0; // SDA1 / D20 SCA ... SCL1 / D21 SCL
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#elif USEDI2CDEV_M == 2
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#elif I2C_MASTER_ID == 2
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PinCfg.Funcnum = 2;
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PinCfg.Pinnum = 10; // SDA2 / D38 X_ENABLE_PIN ... SCL2 / D55 X_DIR_PIN
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#endif
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@ -25,15 +25,17 @@
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* HAL_LPC1768/include/i2c_util.h
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*/
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#ifndef USEDI2CDEV_M
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#define USEDI2CDEV_M 1 // By default use I2C1 controller
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#include "../../../inc/MarlinConfigPre.h"
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#ifndef I2C_MASTER_ID
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#define I2C_MASTER_ID 1
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#endif
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#if USEDI2CDEV_M == 0
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#if I2C_MASTER_ID == 0
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#define I2CDEV_M LPC_I2C0
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#elif USEDI2CDEV_M == 1
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#elif I2C_MASTER_ID == 1
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#define I2CDEV_M LPC_I2C1
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#elif USEDI2CDEV_M == 2
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#elif I2C_MASTER_ID == 2
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#define I2CDEV_M LPC_I2C2
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#else
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#error "Master I2C device not defined!"
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@ -25,15 +25,15 @@
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#ifdef TARGET_LPC1768
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#include "../include/i2c_util.h"
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#include "../../../core/millis_t.h"
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extern int millis();
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "../include/i2c_util.h"
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#include "../../../core/millis_t.h"
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//////////////////////////////////////////////////////////////////////////////////////
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// These two routines are exact copies of the lpc17xx_i2c.c routines. Couldn't link to
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