AVR RRD works
LPC1768 VIKI2 & RRDFG are working looks like all SPIs are working library change sh1106 locks up fixed lockup, started I2C SW com pretty re-org restore a few files make library happy switched HAL version of rrd fix travis error travis error fixes another travis fix cleanup minor update one more correct spacing in platformio.ini
This commit is contained in:
Bob-the-Kuhn
183
Marlin/src/HAL/HAL_LPC1768/HAL_LCD_I2C_routines.c
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183
Marlin/src/HAL/HAL_LPC1768/HAL_LCD_I2C_routines.c
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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// adapted from I2C/master/master.c example
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// https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html
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#if defined(TARGET_LPC1768)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <lpc17xx_i2c.h>
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#include <lpc17xx_pinsel.h>
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#include <lpc17xx_libcfg_default.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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// to the lpc17xx_i2c.c routines so had to copy them into this file & rename them.
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static uint32_t _I2C_Start (LPC_I2C_TypeDef *I2Cx)
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{
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// Reset STA, STO, SI
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I2Cx->I2CONCLR = I2C_I2CONCLR_SIC|I2C_I2CONCLR_STOC|I2C_I2CONCLR_STAC;
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// Enter to Master Transmitter mode
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I2Cx->I2CONSET = I2C_I2CONSET_STA;
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// Wait for complete
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while (!(I2Cx->I2CONSET & I2C_I2CONSET_SI));
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I2Cx->I2CONCLR = I2C_I2CONCLR_STAC;
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return (I2Cx->I2STAT & I2C_STAT_CODE_BITMASK);
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}
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static void _I2C_Stop (LPC_I2C_TypeDef *I2Cx)
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{
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/* Make sure start bit is not active */
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if (I2Cx->I2CONSET & I2C_I2CONSET_STA)
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{
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I2Cx->I2CONCLR = I2C_I2CONCLR_STAC;
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}
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I2Cx->I2CONSET = I2C_I2CONSET_STO|I2C_I2CONSET_AA;
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I2Cx->I2CONCLR = I2C_I2CONCLR_SIC;
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}
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//////////////////////////////////////////////////////////////////////////////////////
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#define U8G_I2C_OPT_FAST 16 // from u8g.h
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#define USEDI2CDEV_M 1
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#define I2CDEV_S_ADDR 0x78 // from SSD1306 //actual address is 0x3C - shift left 1 with LSB set to 0 to indicate write
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#define BUFFER_SIZE 0x1 // only do single byte transfers with LCDs
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#if (USEDI2CDEV_M == 0)
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#define I2CDEV_M LPC_I2C0
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#elif (USEDI2CDEV_M == 1)
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#define I2CDEV_M LPC_I2C1
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#elif (USEDI2CDEV_M == 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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#endif
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PINSEL_CFG_Type PinCfg;
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I2C_M_SETUP_Type transferMCfg;
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#define I2C_status (LPC_I2C1->I2STAT & I2C_STAT_CODE_BITMASK)
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uint8_t u8g_i2c_start(uint8_t sla) { // send slave address and write bit
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// Sometimes TX data ACK or NAK status is returned. That mean the start state didn't
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// happen which means only the value of the slave address was send. Keep looping until
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// the slave address and write bit are actually sent.
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do{
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_I2C_Stop(I2CDEV_M); // output stop state on I2C bus
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_I2C_Start(I2CDEV_M); // output start state on I2C bus
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while ((I2C_status != I2C_I2STAT_M_TX_START)
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&& (I2C_status != I2C_I2STAT_M_TX_RESTART)
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&& (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
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&& (I2C_status != I2C_I2STAT_M_TX_DAT_NACK)); //wait for start to be asserted
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LPC_I2C1->I2CONCLR = I2C_I2CONCLR_STAC; // clear start state before tansmitting slave address
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LPC_I2C1->I2DAT = I2CDEV_S_ADDR & I2C_I2DAT_BITMASK; // transmit slave address & write bit
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LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
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LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
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while ((I2C_status != I2C_I2STAT_M_TX_SLAW_ACK)
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&& (I2C_status != I2C_I2STAT_M_TX_SLAW_NACK)
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&& (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
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&& (I2C_status != I2C_I2STAT_M_TX_DAT_NACK)); //wait for slaw to finish
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}while ( (I2C_status == I2C_I2STAT_M_TX_DAT_ACK) || (I2C_status == I2C_I2STAT_M_TX_DAT_NACK));
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return 1;
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}
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void u8g_i2c_init(uint8_t clock_option) {
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/*
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* Init I2C pin connect
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*/
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PinCfg.OpenDrain = 0;
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PinCfg.Pinmode = 0;
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#if ((USEDI2CDEV_M == 0))
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PinCfg.Funcnum = 1;
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PinCfg.Pinnum = 27;
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PinCfg.Portnum = 0;
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PINSEL_ConfigPin(&PinCfg); // SDA0 / D57 AUX-1
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PinCfg.Pinnum = 28;
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PINSEL_ConfigPin(&PinCfg); // SCL0 / D58 AUX-1
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#endif
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#if ((USEDI2CDEV_M == 1))
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PinCfg.Funcnum = 3;
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PinCfg.Pinnum = 0;
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PinCfg.Portnum = 0;
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PINSEL_ConfigPin(&PinCfg); // SDA1 / D20 SCA
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PinCfg.Pinnum = 1;
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PINSEL_ConfigPin(&PinCfg); // SCL1 / D21 SCL
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#endif
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#if ((USEDI2CDEV_M == 2))
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PinCfg.Funcnum = 2;
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PinCfg.Pinnum = 10;
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PinCfg.Portnum = 0;
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PINSEL_ConfigPin(&PinCfg); // SDA2 / D38 X_ENABLE_PIN
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PinCfg.Pinnum = 11;
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PINSEL_ConfigPin(&PinCfg); // SCL2 / D55 X_DIR_PIN
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#endif
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// Initialize I2C peripheral
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I2C_Init(I2CDEV_M, (clock_option & U8G_I2C_OPT_FAST) ? 400000: 100000); // LCD data rates
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/* Enable Master I2C operation */
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I2C_Cmd(I2CDEV_M, I2C_MASTER_MODE, ENABLE);
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u8g_i2c_start(0); // send slave address and write bit
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}
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volatile extern uint32_t _millis;
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uint8_t u8g_i2c_send_byte(uint8_t data) {
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#define I2C_TIMEOUT 3
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LPC_I2C1->I2DAT = data & I2C_I2DAT_BITMASK; // transmit data
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LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
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LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
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uint32_t timeout = _millis + I2C_TIMEOUT;
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while ((I2C_status != I2C_I2STAT_M_TX_DAT_ACK) && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK) && (timeout > _millis)); // wait for xmit to finish
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// had hangs with SH1106 so added time out - have seen temporary screen corruption when this happens
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return 1;
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}
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void u8g_i2c_stop(void) {
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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