diff --git a/Documentation/platforms/arm/stm32h7/boards/linum-stm32h753bi/index.rst b/Documentation/platforms/arm/stm32h7/boards/linum-stm32h753bi/index.rst index f68cbe4642..76181522b7 100644 --- a/Documentation/platforms/arm/stm32h7/boards/linum-stm32h753bi/index.rst +++ b/Documentation/platforms/arm/stm32h7/boards/linum-stm32h753bi/index.rst @@ -225,7 +225,7 @@ The LINUM-STM32H753BI connects the EEPROM memory and the touchscreen sensor to I EEPROM MEMORY -------------- -EEPROM memory used is the 24LC256 with 256Kb. +EEPROM memory used is the 24LC256 with 256Kb with the control bytes value 0x54. TOUCHSCREEN SENSOR ------------------ @@ -447,3 +447,14 @@ The SD card can then be mounted by the NSH commands:: test_file.txt nsh> cat /mnt/test_file.txt Hello World!! + +eeprom +------ + +Use dd command to write and read data from EEPROM as below::: + + nsh> dd if=/dev/console of=/dev/eeprom bs=1 count=35 + Witte-Tech Linum-STM32H753BI board + nsh> dd if=/dev/eeprom of=/dev/console bs=4 count=35 + Witte-Tech Linum-STM32H753BI board + nsh> \ No newline at end of file diff --git a/boards/arm/stm32h7/linum-stm32h753bi/configs/eeprom/defconfig b/boards/arm/stm32h7/linum-stm32h753bi/configs/eeprom/defconfig new file mode 100644 index 0000000000..8b7973c831 --- /dev/null +++ b/boards/arm/stm32h7/linum-stm32h753bi/configs/eeprom/defconfig @@ -0,0 +1,60 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_STANDARD_SERIAL is not set +# CONFIG_STM32H7_USE_LEGACY_PINMAP is not set +CONFIG_ARCH="arm" +CONFIG_ARCH_BOARD="linum-stm32h753bi" +CONFIG_ARCH_BOARD_LINUM_STM32H753BI=y +CONFIG_ARCH_CHIP="stm32h7" +CONFIG_ARCH_CHIP_STM32H753BI=y +CONFIG_ARCH_CHIP_STM32H7=y +CONFIG_ARCH_CHIP_STM32H7_CORTEXM7=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_ARMV7M_DCACHE=y +CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y +CONFIG_ARMV7M_DTCM=y +CONFIG_ARMV7M_ICACHE=y +CONFIG_BOARD_LOOPSPERMSEC=43103 +CONFIG_BUILTIN=y +CONFIG_DEBUG_FEATURES=y +CONFIG_DEBUG_SYMBOLS=y +CONFIG_DEV_ZERO=y +CONFIG_EEPROM=y +CONFIG_EXAMPLES_ALARM=y +CONFIG_FS_PROCFS=y +CONFIG_I2C=y +CONFIG_I2C_EE_24XX=y +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INTELHEX_BINARY=y +CONFIG_LIBM=y +CONFIG_MM_REGIONS=4 +CONFIG_NSH_ARCHINIT=y +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NSH_DISABLE_IFUPDOWN=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_LINELEN=64 +CONFIG_NSH_READLINE=y +CONFIG_PREALLOC_TIMERS=4 +CONFIG_RAM_SIZE=245760 +CONFIG_RAM_START=0x20010000 +CONFIG_RAW_BINARY=y +CONFIG_RR_INTERVAL=200 +CONFIG_RTC_ALARM=y +CONFIG_RTC_DATETIME=y +CONFIG_RTC_DRIVER=y +CONFIG_SCHED_WAITPID=y +CONFIG_START_DAY=6 +CONFIG_START_MONTH=12 +CONFIG_START_YEAR=2011 +CONFIG_STM32H7_I2C3=y +CONFIG_STM32H7_PWR=y +CONFIG_STM32H7_RTC=y +CONFIG_STM32H7_USART1=y +CONFIG_SYSTEM_NSH=y +CONFIG_TASK_NAME_SIZE=0 +CONFIG_USART1_SERIAL_CONSOLE=y diff --git a/boards/arm/stm32h7/linum-stm32h753bi/include/board.h b/boards/arm/stm32h7/linum-stm32h753bi/include/board.h index 7471a016f9..aef2924950 100644 --- a/boards/arm/stm32h7/linum-stm32h753bi/include/board.h +++ b/boards/arm/stm32h7/linum-stm32h753bi/include/board.h @@ -382,21 +382,19 @@ #define GPIO_OTGFS_DM (GPIO_OTGFS_DM_0 | GPIO_SPEED_100MHz) #define GPIO_OTGFS_DP (GPIO_OTGFS_DP_0 | GPIO_SPEED_100MHz) -/* SDMMC1 Pin mapping - * CLK - PC12 - * CMD - PD2 - * D0 - PC8 - * D1 - PC9 - * D2 - PC10 - * D3 - PC11 - */ +/* SDMMC1 - Used SD Card memory */ -#define GPIO_SDMMC1_CK (GPIO_SDMMC1_CK_0 | GPIO_SPEED_100MHz) -#define GPIO_SDMMC1_CMD (GPIO_SDMMC1_CMD_0 | GPIO_SPEED_100MHz) -#define GPIO_SDMMC1_D0 (GPIO_SDMMC1_D0_0 | GPIO_SPEED_100MHz) -#define GPIO_SDMMC1_D1 (GPIO_SDMMC1_D1_0 | GPIO_SPEED_100MHz) -#define GPIO_SDMMC1_D2 (GPIO_SDMMC1_D2_0 | GPIO_SPEED_100MHz) -#define GPIO_SDMMC1_D3 (GPIO_SDMMC1_D3_0 | GPIO_SPEED_100MHz) +#define GPIO_SDMMC1_CK (GPIO_SDMMC1_CK_0 | GPIO_SPEED_100MHz) /* PC12 */ +#define GPIO_SDMMC1_CMD (GPIO_SDMMC1_CMD_0 | GPIO_SPEED_100MHz) /* PD2 */ +#define GPIO_SDMMC1_D0 (GPIO_SDMMC1_D0_0 | GPIO_SPEED_100MHz) /* PC8 */ +#define GPIO_SDMMC1_D1 (GPIO_SDMMC1_D1_0 | GPIO_SPEED_100MHz) /* PC9 */ +#define GPIO_SDMMC1_D2 (GPIO_SDMMC1_D2_0 | GPIO_SPEED_100MHz) /* PC10 */ +#define GPIO_SDMMC1_D3 (GPIO_SDMMC1_D3_0 | GPIO_SPEED_100MHz) /* PC11 */ + +/* I2C3 - Used by eeprom memory */ + +#define GPIO_I2C3_SCL (GPIO_I2C3_SCL_2 | GPIO_SPEED_100MHz) /* PH7 */ +#define GPIO_I2C3_SDA (GPIO_I2C3_SDA_2 | GPIO_SPEED_100MHz) /* PH8 */ /**************************************************************************** * Public Data diff --git a/boards/arm/stm32h7/linum-stm32h753bi/src/CMakeLists.txt b/boards/arm/stm32h7/linum-stm32h753bi/src/CMakeLists.txt index ede0805ab5..eaf07d1b28 100644 --- a/boards/arm/stm32h7/linum-stm32h753bi/src/CMakeLists.txt +++ b/boards/arm/stm32h7/linum-stm32h753bi/src/CMakeLists.txt @@ -44,6 +44,10 @@ if(CONFIG_FAT_DMAMEMORY) list(APPEND SRCS stm32_dma_alloc.c) endif() +if(CONFIG_I2C_EE_24XX) + list(APPEND SRCS stm32_at24.c) +endif() + target_sources(board PRIVATE ${SRCS}) set_property(GLOBAL PROPERTY LD_SCRIPT "${NUTTX_BOARD_DIR}/scripts/flash.ld") diff --git a/boards/arm/stm32h7/linum-stm32h753bi/src/Makefile b/boards/arm/stm32h7/linum-stm32h753bi/src/Makefile index e251e13a8b..e745de7f75 100644 --- a/boards/arm/stm32h7/linum-stm32h753bi/src/Makefile +++ b/boards/arm/stm32h7/linum-stm32h753bi/src/Makefile @@ -42,6 +42,10 @@ ifeq ($(CONFIG_FAT_DMAMEMORY),y) CSRCS += stm32_dma_alloc.c endif +ifeq ($(CONFIG_I2C_EE_24XX),y) +CSRCS += stm32_at24.c +endif + ifeq ($(CONFIG_BOARDCTL),y) CSRCS += stm32_appinitialize.c endif diff --git a/boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h b/boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h index cfb6a69cdb..697e6c645f 100644 --- a/boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h +++ b/boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h @@ -160,4 +160,16 @@ int stm32_dma_alloc_init(void); int stm32_sdio_initialize(void); #endif +/**************************************************************************** + * Name: stm32_at24_init + * + * Description: + * Initialize and register the EEPROM for 24XX driver. + * + ****************************************************************************/ + +#ifdef CONFIG_I2C_EE_24XX +int stm32_at24_init(char *path); +#endif + #endif /* __BOARDS_ARM_STM32H7_LINUM_STM32H753BI_SRC_LINUM_STM32H753BI_H */ diff --git a/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_at24.c b/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_at24.c new file mode 100644 index 0000000000..0558479a01 --- /dev/null +++ b/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_at24.c @@ -0,0 +1,96 @@ +/**************************************************************************** + * boards/arm/stm32h7/linum-stm32h753bi/src/stm32_at24.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include +#include +#include +#include + +#include +#include +#include "stm32_i2c.h" + +#include "linum-stm32h753bi.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define AT24_I2C_BUS 3 /* EEPROM chip is configured to use I2C3 */ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_at24_init + * + * Description: + * Initialize and configure the AT24 serial EEPROM + * + ****************************************************************************/ + +int stm32_at24_init(char *path) +{ + FAR struct i2c_master_s *i2c; + static bool initialized = false; + int ret; + + /* Have we already initialized? */ + + if (!initialized) + { + /* No.. Get the I2C bus driver */ + + finfo("Initialize I2C%d\n", AT24_I2C_BUS); + i2c = stm32_i2cbus_initialize(AT24_I2C_BUS); + if (!i2c) + { + ferr("ERROR: Failed to initialize I2C%d\n", AT24_I2C_BUS); + return -ENODEV; + } + + /* Now bind the I2C interface to the AT24 I2C EEPROM driver */ + + finfo("Bind the AT24 EEPROM driver to I2C%d\n", AT24_I2C_BUS); + ret = ee24xx_initialize(i2c, 0x54, path, EEPROM_24XX256, false); + if (ret < 0) + { + ferr("ERROR: Failed to bind I2C%d to the AT24 EEPROM driver\n", + AT24_I2C_BUS); + return -ENODEV; + } + + /* Now we are initialized */ + + initialized = true; + } + + return OK; +} + diff --git a/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c b/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c index a36ee12d19..0fc5f6ee3f 100644 --- a/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c +++ b/boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c @@ -32,6 +32,7 @@ #include #include "stm32_gpio.h" +#include "stm32_i2c.h" #include "linum-stm32h753bi.h" @@ -48,6 +49,58 @@ * Private Functions ****************************************************************************/ +/**************************************************************************** + * Name: stm32_i2c_register + * + * Description: + * Register one I2C drivers for the I2C tool. + * + ****************************************************************************/ + +#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL) +static void stm32_i2c_register(int bus) +{ + struct i2c_master_s *i2c; + int ret; + + i2c = stm32_i2cbus_initialize(bus); + if (i2c == NULL) + { + syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus); + } + else + { + ret = i2c_register(i2c, bus); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: Failed to register I2C%d driver: %d\n", + bus, ret); + stm32_i2cbus_uninitialize(i2c); + } + } +} +#endif + +/**************************************************************************** + * Name: stm32_i2ctool + * + * Description: + * Register I2C drivers for the I2C tool. + * + ****************************************************************************/ + +#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL) +static void stm32_i2ctool(void) +{ +#ifdef CONFIG_STM32H7_I2C3 + stm32_i2c_register(3); +#endif +#ifdef CONFIG_STM32H7_I2C4 + stm32_i2c_register(4); +#endif +} +#endif + /**************************************************************************** * Public Functions ****************************************************************************/ @@ -142,5 +195,18 @@ int stm32_bringup(void) } #endif +#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL) + stm32_i2ctool(); +#endif + +#ifdef CONFIG_I2C_EE_24XX + ret = stm32_at24_init("/dev/eeprom"); + if (ret < 0) + { + syslog(LOG_ERR, "Failed to initialize EEPROM HX24LCXXB: %d\n", ret); + return ret; + } +#endif + return OK; } diff --git a/drivers/eeprom/i2c_xx24xx.c b/drivers/eeprom/i2c_xx24xx.c index 722cfe5afb..959545da86 100644 --- a/drivers/eeprom/i2c_xx24xx.c +++ b/drivers/eeprom/i2c_xx24xx.c @@ -873,7 +873,7 @@ int ee24xx_initialize(FAR struct i2c_master_s *bus, uint8_t devaddr, } } - finfo("EEPROM device %s, %d bytes, %d per page, addrlen %d, %s\n", + finfo("EEPROM device %s, %" PRIu32 " bytes, %d per page, addrlen %d, %s\n", devname, eedev->size, eedev->pgsize, eedev->addrlen, eedev->readonly ? "readonly" : "");