From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001 From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com> Date: Thu, 4 Mar 2021 22:54:23 +0500 Subject: Initial commit --- Marlin/src/HAL/LPC1768/include/SPI.h | 182 +++++++++++++++++++++ .../LPC1768/include/digipot_mcp4451_I2C_routines.c | 106 ++++++++++++ .../LPC1768/include/digipot_mcp4451_I2C_routines.h | 43 +++++ Marlin/src/HAL/LPC1768/include/i2c_util.c | 70 ++++++++ Marlin/src/HAL/LPC1768/include/i2c_util.h | 56 +++++++ 5 files changed, 457 insertions(+) create mode 100644 Marlin/src/HAL/LPC1768/include/SPI.h create mode 100644 Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.c create mode 100644 Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.h create mode 100644 Marlin/src/HAL/LPC1768/include/i2c_util.c create mode 100644 Marlin/src/HAL/LPC1768/include/i2c_util.h (limited to 'Marlin/src/HAL/LPC1768/include') diff --git a/Marlin/src/HAL/LPC1768/include/SPI.h b/Marlin/src/HAL/LPC1768/include/SPI.h new file mode 100644 index 0000000..ecd91f6 --- /dev/null +++ b/Marlin/src/HAL/LPC1768/include/SPI.h @@ -0,0 +1,182 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ +#pragma once + +#include "../../shared/HAL_SPI.h" + +#include +#include +#include + +//#define MSBFIRST 1 + +#define SPI_MODE0 0 +#define SPI_MODE1 1 +#define SPI_MODE2 2 +#define SPI_MODE3 3 + +#define DATA_SIZE_8BIT SSP_DATABIT_8 +#define DATA_SIZE_16BIT SSP_DATABIT_16 + +#define SPI_CLOCK_MAX_TFT 30000000UL +#define SPI_CLOCK_DIV2 8333333 //(SCR: 2) desired: 8,000,000 actual: 8,333,333 +4.2% SPI_FULL_SPEED +#define SPI_CLOCK_DIV4 4166667 //(SCR: 5) desired: 4,000,000 actual: 4,166,667 +4.2% SPI_HALF_SPEED +#define SPI_CLOCK_DIV8 2083333 //(SCR: 11) desired: 2,000,000 actual: 2,083,333 +4.2% SPI_QUARTER_SPEED +#define SPI_CLOCK_DIV16 1000000 //(SCR: 24) desired: 1,000,000 actual: 1,000,000 SPI_EIGHTH_SPEED +#define SPI_CLOCK_DIV32 500000 //(SCR: 49) desired: 500,000 actual: 500,000 SPI_SPEED_5 +#define SPI_CLOCK_DIV64 250000 //(SCR: 99) desired: 250,000 actual: 250,000 SPI_SPEED_6 +#define SPI_CLOCK_DIV128 125000 //(SCR:199) desired: 125,000 actual: 125,000 Default from HAL.h + +#define SPI_CLOCK_MAX SPI_CLOCK_DIV2 + +#define BOARD_NR_SPI 2 + +//#define BOARD_SPI1_NSS_PIN PA4 ?! +#define BOARD_SPI1_SCK_PIN P0_15 +#define BOARD_SPI1_MISO_PIN P0_17 +#define BOARD_SPI1_MOSI_PIN P0_18 + +//#define BOARD_SPI2_NSS_PIN PB12 ?! +#define BOARD_SPI2_SCK_PIN P0_07 +#define BOARD_SPI2_MISO_PIN P0_08 +#define BOARD_SPI2_MOSI_PIN P0_09 + +class SPISettings { +public: + SPISettings(uint32_t spiRate, int inBitOrder, int inDataMode) { + init_AlwaysInline(spiRate2Clock(spiRate), inBitOrder, inDataMode, DATA_SIZE_8BIT); + } + SPISettings(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) { + if (__builtin_constant_p(inClock)) + init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize); + else + init_MightInline(inClock, inBitOrder, inDataMode, inDataSize); + } + SPISettings() { + init_AlwaysInline(4000000, MSBFIRST, SPI_MODE0, DATA_SIZE_8BIT); + } + + //uint32_t spiRate() const { return spi_speed; } + + static inline uint32_t spiRate2Clock(uint32_t spiRate) { + uint32_t Marlin_speed[7]; // CPSR is always 2 + Marlin_speed[0] = 8333333; //(SCR: 2) desired: 8,000,000 actual: 8,333,333 +4.2% SPI_FULL_SPEED + Marlin_speed[1] = 4166667; //(SCR: 5) desired: 4,000,000 actual: 4,166,667 +4.2% SPI_HALF_SPEED + Marlin_speed[2] = 2083333; //(SCR: 11) desired: 2,000,000 actual: 2,083,333 +4.2% SPI_QUARTER_SPEED + Marlin_speed[3] = 1000000; //(SCR: 24) desired: 1,000,000 actual: 1,000,000 SPI_EIGHTH_SPEED + Marlin_speed[4] = 500000; //(SCR: 49) desired: 500,000 actual: 500,000 SPI_SPEED_5 + Marlin_speed[5] = 250000; //(SCR: 99) desired: 250,000 actual: 250,000 SPI_SPEED_6 + Marlin_speed[6] = 125000; //(SCR:199) desired: 125,000 actual: 125,000 Default from HAL.h + return Marlin_speed[spiRate > 6 ? 6 : spiRate]; + } + +private: + void init_MightInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) { + init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize); + } + void init_AlwaysInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) __attribute__((__always_inline__)) { + clock = inClock; + bitOrder = inBitOrder; + dataMode = inDataMode; + dataSize = inDataSize; + } + + //uint32_t spi_speed; + uint32_t clock; + uint32_t dataSize; + //uint32_t clockDivider; + uint8_t bitOrder; + uint8_t dataMode; + LPC_SSP_TypeDef *spi_d; + + friend class SPIClass; +}; + +/** + * @brief Wirish SPI interface. + * + * This is the same interface is available across HAL + * + * This implementation uses software slave management, so the caller + * is responsible for controlling the slave select line. + */ +class SPIClass { +public: + /** + * @param spiPortNumber Number of the SPI port to manage. + */ + SPIClass(uint8_t spiPortNumber); + + /** + * Init using pins + */ + SPIClass(pin_t mosi, pin_t miso, pin_t sclk, pin_t ssel = (pin_t)-1); + + /** + * Select and configure the current selected SPI device to use + */ + void begin(); + + /** + * Disable the current SPI device + */ + void end(); + + void beginTransaction(const SPISettings&); + void endTransaction() {} + + // Transfer using 1 "Data Size" + uint8_t transfer(uint16_t data); + // Transfer 2 bytes in 8 bit mode + uint16_t transfer16(uint16_t data); + + void send(uint8_t data); + + uint16_t read(); + void read(uint8_t *buf, uint32_t len); + + void dmaSend(void *buf, uint16_t length, bool minc); + + /** + * @brief Sets the number of the SPI peripheral to be used by + * this HardwareSPI instance. + * + * @param spi_num Number of the SPI port. 1-2 in low density devices + * or 1-3 in high density devices. + */ + void setModule(uint8_t device); + + void setClock(uint32_t clock); + void setBitOrder(uint8_t bitOrder); + void setDataMode(uint8_t dataMode); + void setDataSize(uint32_t ds); + + inline uint32_t getDataSize() { return _currentSetting->dataSize; } + +private: + SPISettings _settings[BOARD_NR_SPI]; + SPISettings *_currentSetting; + + void updateSettings(); +}; + +extern SPIClass SPI; diff --git a/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.c b/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.c new file mode 100644 index 0000000..f442ab7 --- /dev/null +++ b/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.c @@ -0,0 +1,106 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ + +/** + * digipot_mcp4451_I2C_routines.c + * Adapted from https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html + */ + +#ifdef TARGET_LPC1768 + +#include "../../../inc/MarlinConfigPre.h" + +#if MB(MKS_SBASE) + +#ifdef __cplusplus + extern "C" { +#endif + +#include "digipot_mcp4451_I2C_routines.h" + +// These two routines are exact copies of the lpc17xx_i2c.c routines. Couldn't link to +// to the lpc17xx_i2c.c routines so had to copy them into this file & rename them. + +static uint32_t _I2C_Start(LPC_I2C_TypeDef *I2Cx) { + // Reset STA, STO, SI + I2Cx->I2CONCLR = I2C_I2CONCLR_SIC|I2C_I2CONCLR_STOC|I2C_I2CONCLR_STAC; + + // Enter to Master Transmitter mode + I2Cx->I2CONSET = I2C_I2CONSET_STA; + + // Wait for complete + while (!(I2Cx->I2CONSET & I2C_I2CONSET_SI)); + I2Cx->I2CONCLR = I2C_I2CONCLR_STAC; + return (I2Cx->I2STAT & I2C_STAT_CODE_BITMASK); +} + +static void _I2C_Stop(LPC_I2C_TypeDef *I2Cx) { + // Make sure start bit is not active + if (I2Cx->I2CONSET & I2C_I2CONSET_STA) + I2Cx->I2CONCLR = I2C_I2CONCLR_STAC; + + I2Cx->I2CONSET = I2C_I2CONSET_STO|I2C_I2CONSET_AA; + I2Cx->I2CONCLR = I2C_I2CONCLR_SIC; +} + +I2C_M_SETUP_Type transferMCfg; + +#define I2C_status (LPC_I2C1->I2STAT & I2C_STAT_CODE_BITMASK) + +uint8_t digipot_mcp4451_start(uint8_t sla) { // send slave address and write bit + // Sometimes TX data ACK or NAK status is returned. That mean the start state didn't + // happen which means only the value of the slave address was send. Keep looping until + // the slave address and write bit are actually sent. + do { + _I2C_Stop(I2CDEV_M); // output stop state on I2C bus + _I2C_Start(I2CDEV_M); // output start state on I2C bus + while ((I2C_status != I2C_I2STAT_M_TX_START) + && (I2C_status != I2C_I2STAT_M_TX_RESTART) + && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK) + && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK)); //wait for start to be asserted + + LPC_I2C1->I2CONCLR = I2C_I2CONCLR_STAC; // clear start state before tansmitting slave address + LPC_I2C1->I2DAT = (sla << 1) & I2C_I2DAT_BITMASK; // transmit slave address & write bit + LPC_I2C1->I2CONSET = I2C_I2CONSET_AA; + LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC; + while ((I2C_status != I2C_I2STAT_M_TX_SLAW_ACK) + && (I2C_status != I2C_I2STAT_M_TX_SLAW_NACK) + && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK) + && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK)) { /* wait for slaw to finish */ } + } while ( (I2C_status == I2C_I2STAT_M_TX_DAT_ACK) || (I2C_status == I2C_I2STAT_M_TX_DAT_NACK)); + return 1; +} + +uint8_t digipot_mcp4451_send_byte(uint8_t data) { + LPC_I2C1->I2DAT = data & I2C_I2DAT_BITMASK; // transmit data + LPC_I2C1->I2CONSET = I2C_I2CONSET_AA; + LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC; + while (I2C_status != I2C_I2STAT_M_TX_DAT_ACK && I2C_status != I2C_I2STAT_M_TX_DAT_NACK); // wait for xmit to finish + return 1; +} + +#ifdef __cplusplus + } +#endif + +#endif // MB(MKS_SBASE) +#endif // TARGET_LPC1768 diff --git a/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.h b/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.h new file mode 100644 index 0000000..9b6c62b --- /dev/null +++ b/Marlin/src/HAL/LPC1768/include/digipot_mcp4451_I2C_routines.h @@ -0,0 +1,43 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ +#pragma once + +/** + * digipot_mcp4451_I2C_routines.h + * Adapted from https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html + */ + +#ifdef __cplusplus + extern "C" { +#endif + +#include +#include +#include +#include "i2c_util.h" + +uint8_t digipot_mcp4451_start(uint8_t sla); +uint8_t digipot_mcp4451_send_byte(uint8_t data); + +#ifdef __cplusplus + } +#endif diff --git a/Marlin/src/HAL/LPC1768/include/i2c_util.c b/Marlin/src/HAL/LPC1768/include/i2c_util.c new file mode 100644 index 0000000..e52fb7c --- /dev/null +++ b/Marlin/src/HAL/LPC1768/include/i2c_util.c @@ -0,0 +1,70 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ + +/** + * HAL_LPC1768/include/i2c_util.c + */ + +#ifdef TARGET_LPC1768 + +#include "i2c_util.h" + +#define U8G_I2C_OPT_FAST 16 // from u8g.h + +#ifdef __cplusplus + extern "C" { +#endif + +void configure_i2c(const uint8_t clock_option) { + /** + * Init I2C pin connect + */ + PINSEL_CFG_Type PinCfg; + PinCfg.OpenDrain = 0; + PinCfg.Pinmode = 0; + PinCfg.Portnum = 0; + #if I2C_MASTER_ID == 0 + PinCfg.Funcnum = 1; + PinCfg.Pinnum = 27; // SDA0 / D57 AUX-1 ... SCL0 / D58 AUX-1 + #elif I2C_MASTER_ID == 1 + PinCfg.Funcnum = 3; + PinCfg.Pinnum = 0; // SDA1 / D20 SCA ... SCL1 / D21 SCL + #elif I2C_MASTER_ID == 2 + PinCfg.Funcnum = 2; + PinCfg.Pinnum = 10; // SDA2 / D38 X_ENABLE_PIN ... SCL2 / D55 X_DIR_PIN + #endif + PINSEL_ConfigPin(&PinCfg); + PinCfg.Pinnum += 1; + PINSEL_ConfigPin(&PinCfg); + + // Initialize I2C peripheral + I2C_Init(I2CDEV_M, (clock_option & U8G_I2C_OPT_FAST) ? 400000: 100000); // LCD data rates + + // Enable Master I2C operation + I2C_Cmd(I2CDEV_M, I2C_MASTER_MODE, ENABLE); +} + +#ifdef __cplusplus + } +#endif + +#endif // TARGET_LPC1768 diff --git a/Marlin/src/HAL/LPC1768/include/i2c_util.h b/Marlin/src/HAL/LPC1768/include/i2c_util.h new file mode 100644 index 0000000..a57f68a --- /dev/null +++ b/Marlin/src/HAL/LPC1768/include/i2c_util.h @@ -0,0 +1,56 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ +#pragma once + +/** + * HAL_LPC1768/include/i2c_util.h + */ + +#include "../../../inc/MarlinConfigPre.h" + +#ifndef I2C_MASTER_ID + #define I2C_MASTER_ID 1 +#endif + +#if I2C_MASTER_ID == 0 + #define I2CDEV_M LPC_I2C0 +#elif I2C_MASTER_ID == 1 + #define I2CDEV_M LPC_I2C1 +#elif I2C_MASTER_ID == 2 + #define I2CDEV_M LPC_I2C2 +#else + #error "Master I2C device not defined!" +#endif + +#include +#include +#include + +#ifdef __cplusplus + extern "C" { +#endif + +void configure_i2c(const uint8_t clock_option); + +#ifdef __cplusplus + } +#endif -- cgit v1.2.3