694 lines
16 KiB
ReStructuredText
694 lines
16 KiB
ReStructuredText
=================
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linum-stm32h753bi
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=================
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This page discusses issues unique to NuttX configurations for the
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LINUM-STM32H753BI board.
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.. figure:: linum-stm32h753bi-top.jpg
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:align: center
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.. figure:: linum-stm32h753bi-bottom.jpg
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:align: center
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Board information
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=================
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This board was release by Witte Tenology in 2023 and developed based on
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STM32H753BI microcontroller. The board has 2 expansion connectors used by the LCD display with
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touchscreen and another for access to other peripherals of microcontroller.
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The board features:
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- 8 to 52V power supply
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- SWD Pins for use as STLink (Pin header) and TC2030-IDC 6-Pin Tag-Connect Plug-of-Nails™ Connector
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- Crystal for HS 25MHz
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- Crystal for RTC 32.768KHz
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- 1 UART serial for debug
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- 1 Led RGB
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- 1 Buzzer without internal oscillator
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- 1 Mono audio up to 3W
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- 1 Ethernet 10/100
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- 1 MicroSD connector supporting 1 or 4-bit bus
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- 1 USB 2.0 Host/Device
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- 1 EEPROM memory with 512K bits
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- 1 External SRAM memory with 8MB
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- 1 NOR memory with 16MB
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- 2 On-board RS232 Transceiver with RTS/CTS
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- 2 On-board RS485 Transceiver
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- 2 On-board CAN-FD Transceiver
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Expansion connector 1 features:
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- 1 Display RBG 888
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- 1 Capacitive Touchscreen sensor
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Expansion connector 2 features.
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- 1 SPI
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- 1 I2C
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- 1 One Wire
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- 2 DACs
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- 6 PWM Channels
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- 10 ADCs
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Board documentation: https://wittetech.com/
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BOARD-LEDs
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==========
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The LINUM-STM32H753BI has 3 software controllable LEDs.
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======= =====
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LED RGB PINS
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======= =====
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LED_R PG2
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LED_G PG3
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LED_B PB2
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======= =====
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UART/USART
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==========
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The LINUM-STM32H753BI used the USART1 for serial debug messages.
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USART1
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------
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====== =====
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USART1 PINS
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====== =====
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TX PB14
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RX PB15
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====== =====
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The LINUM-STM32H753BI board has two on-board RS-232 transceiver connected to USART2 and USART3.
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====== =====
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USART2 PINS
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====== =====
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TXD PD5
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RXD PD6
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CTS PD3
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RTS PD4
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====== =====
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====== =====
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USART3 PINS
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====== =====
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TXD PB10
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RXD PB11
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CTS PD11
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RTS PD12
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====== =====
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The LINUM-STM32H753BI board has two on-board RS-485 transceiver connected to USART4 and USART6.
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====== =====
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UART4 PINS
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====== =====
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TXD PB9
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RXD PB8
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DE PA15
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====== =====
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====== =====
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USART6 PINS
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====== =====
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TXD PC6
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RXD PC7
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DE PG12
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====== =====
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SDMMC
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======
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The LINUM-STM32H753BI has one SDCard slot connected as below:
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========== =====
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SDMMC1 PINS
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========== =====
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SDMMC_D0 PC8
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SDMMC_D1 PC9
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SDMMC_D2 PC10
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SDMMC_D3 PC11
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SDMMC_DK PC12
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========== =====
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=============== =====
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GPIO PINS
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=============== =====
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SDCARD_DETECTED PG7
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SDCARD_PWR_EN PD7
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=============== =====
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ETHERNET
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========
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The LINUM-STM32H753BI has a ethernet connection using the transceiver KSZ8081RNACA.
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============ =====
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ETH PINS
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============ =====
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ETH_REF_CLK PA1
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ETH_MDIO PA2
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ETH_CRS_DV PA7
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ETH_MDC PC1
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ETH_RXD0 PC4
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ETH_RXD1 PC5
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ETH_TX_EN PG11
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ETH_TXD0 PG13
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ETH_TXD1 PG14
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ETH_CLK PA8
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ETH_RESET PI4
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============ =====
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CAN-FD
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========
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The LINUM-STM32H753BI board has two on-board CAN-FD transceiver connected to FDCAN1 and FDCAN2.
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====== =====
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FDCAN1 PINS
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====== =====
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TXD PH13
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RXD PH14
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STD PI2
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====== =====
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====== =====
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FDCAN2 PINS
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====== =====
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TXD PB13
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RXD PB12
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STD PE3
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====== =====
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USB
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============
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The LINUM-STM32H753BI has one usb port.
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========= =====
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USB PINS
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========= =====
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USB_VBUS PA9
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USB_N PA11
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USB_P PA12
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USB_EN PI12
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USB_FLT PI13
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========= =====
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QUADSPI
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==============
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The LINUM-STM32H753BI board has one NOR memory connected to QUADSPI.
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The NOR memory used is the W25Q128JV with 16MB
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======= =====
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QUADSPI PINS
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======= =====
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IO0 PF8
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IO1 PF9
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IO2 PF7
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IO3 PF6
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CLK PF10
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NCS PG6
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======= =====
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I2C3
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============
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The LINUM-STM32H753BI connects the EEPROM memory and the touchscreen sensor to I2C3.
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====== =====
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I2C3 PINS
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====== =====
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SCL PH7
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SDA PH8
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====== =====
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EEPROM MEMORY
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--------------
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EEPROM memory used is the 24LC256 with 256Kb with the control bytes value 0x54.
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TOUCHSCREEN SENSOR
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------------------
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The touchscreen sensor used is the GT928.
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======== =====
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GPIO PINS
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======== =====
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TS_RESET PI7
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TS_ISR PH9
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======== =====
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I2C4
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=======
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The I2C4 is available for general use on the expansion connector.
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====== =====
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I2C4 PINS
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====== =====
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SCL PH11
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SDA PH12
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====== =====
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External SDRAM
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==============
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The LINUM-STM32H753BI has a external SDRAM with 16Mbits connected to FMC peripheral.
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=========== =====
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FMC PINS
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=========== =====
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FMC_A0 PF0
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FMC_A1 PF1
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FMC_A2 PF2
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FMC_A3 PF3
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FMC_A4 PF4
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FMC_A5 PF5
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FMC_A6 PF12
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FMC_A7 PF13
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FMC_A8 PF14
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FMC_A9 PF15
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FMC_A10 PG0
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FMC_A11 PG1
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FMC_BA0 PG4
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FMC_BA1 PG5
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FMC_D0 PD14
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FMC_D1 PD15
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FMC_D2 PD0
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FMC_D3 PD1
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FMC_D4 PE7
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FMC_D5 PE8
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FMC_D6 PE9
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FMC_D7 PE10
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FMC_D8 PE11
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FMC_D9 PE12
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FMC_D10 PE13
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FMC_D11 PE14
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FMC_D12 PE15
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FMC_D13 PD8
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FMC_D14 PD9
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FMC_D15 PD10
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FMC_NBL0 PE0
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FMC_NBL1 PE1
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FMC_SDCKE0 PC3
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FMC_SDCLK PG8
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FMC_SDNCAS PG15
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FMC_SDNEO PC2
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FMC_SDNRAS PF11
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FMC_SDNWE PC0
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=========== =====
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LCD
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=======
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The LINUM-STM32H753BI use the LTDC to support one LCD with RGB connection.
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============= =====
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LTDC PINS
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============= =====
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LTDC_B0 PF0
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LTDC_B1 PJ13
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LTDC_B2 PJ14
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LTDC_B3 PJ15
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LTDC_B4 PK3
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LTDC_B5 PK4
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LTDC_B6 PK5
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LTDC_B7 PK6
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LTDC_CLK PI14
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LTDC_DE PK7
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LTDC_G0 PJ7
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LTDC_G1 PJ8
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LTDC_G2 PJ9
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LTDC_G3 PJ10
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LTDC_G4 PJ11
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LTDC_G5 PK0
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LTDC_G6 PK1
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LTDC_G7 PK2
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LTDC_HSYNC PI10
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LTDC_R0 PI15
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LTDC_R1 PJ0
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LTDC_R2 PJ1
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LTDC_R3 PJ2
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LTDC_R4 PJ3
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LTDC_R5 PJ4
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LTDC_R6 PJ5
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LTDC_R7 PJ6
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LTDC_VSYNC PI9
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PWM_BACKLIGHT PH6
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============= =====
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I2S
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=======
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The LINUM-STM32H753BI has one I2S output.
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======== =====
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I2S2 PINS
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======== =====
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I2S2_WS PI0
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I2S2_CK PI1
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I2S2_SDO PI3
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======== =====
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PWM
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=======
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The LINUM-STM32H753BI has a buzzer without internal oscillator connected to PB7
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========= =====
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GPIO PINS
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========= =====
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BUZZER PB7
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========= =====
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==============
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Each linum-stm32h753bi configuration is maintained in a sub-directory and
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can be selected as follow::
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tools/configure.sh linum-stm32h753bi:<subdir>
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Where <subdir> is one of the following:
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Configuration Directories
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-------------------------
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nsh
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---
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Configures the NuttShell (nsh) located at apps/examples/nsh. This
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configuration enables a serial console on UART1.
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usbnsh
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------
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Configures the NuttShell (nsh) located at apps/examples/nsh. This configuration enables a serial console over USB.
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After flasing and reboot your board you should see in your dmesg logs::
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$ sudo dmesg | tail
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[ 9180.937813] usb 3-1.1.2: SerialNumber: 0
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[ 9180.946974] cdc_acm 3-1.1.2:1.0: ttyACM0: USB ACM device
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[ 9715.123387] usb 3-1.1.2: USB disconnect, device number 20
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[ 9717.393142] usb 3-1.1.2: new full-speed USB device number 21 using xhci_hcd
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[ 9717.494824] usb 3-1.1.2: New USB device found, idVendor=0525, idProduct=a4a7, bcdDevice= 1.01
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[ 9717.494834] usb 3-1.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
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[ 9717.494837] usb 3-1.1.2: Product: CDC/ACM Serial
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[ 9717.494840] usb 3-1.1.2: Manufacturer: NuttX
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[ 9717.494842] usb 3-1.1.2: SerialNumber: 0
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[ 9717.504192] cdc_acm 3-1.1.2:1.0: ttyACM0: USB ACM device
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You may need to press ENTER 3 times before the NSH show up.
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modbus_slave
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------------
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Configures the ModBus RTU Slave located at apps/examples/modbus. This
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configuration enables a RS485 on USART6.
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After configuring the desired pins on menuconfig and wiring the RS485 converter, you
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can enable the ModBus to respond to queries::
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nsh> modbus -e
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In your pc you will be able to read the ModBus registers using an application like ``mbpoll``::
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$ mbpoll -a 10 -b 38400 -t 3 -r 1000 -c 4 /dev/ttyUSB1 -R
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modbus_master
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-------------
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Configures the ModBus RTU Master located at apps/examples/modbusmaster. This
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configuration enables a RS485 on USART6.
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After configuring the desired pins on menuconfig and wiring the RS485 converter, you
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can enable the ModBus Master to create queries for device with address 10::
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nsh> mbmaster
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In your pc you will be able to create a ModBus Slave with address 10 using an application like ``diagslave``::
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$ sudo diagslave -a 10 -b 38400 /dev/ttyUSB0
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sdcard
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------
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Configures the NuttShell (nsh) and enables SD card support. The board has an onboard microSD slot that should be
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automatically registered as the block device /dev/mmcsd0 when an SD card is present.
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The SD card can then be mounted by the NSH commands::
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nsh> mount -t vfat /dev/mmcsd0 /mnt
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nsh> mount
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nsh> echo "Hello World!!" > /mnt/test_file.txt
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nhs> ls /mnt/
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test_file.txt
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nsh> cat /mnt/test_file.txt
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Hello World!!
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eeprom
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------
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Use **dd** command to write and read data from EEPROM as below:::
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nsh> dd if=/dev/console of=/dev/eeprom bs=1 count=35
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Witte-Tech Linum-STM32H753BI board
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nsh> dd if=/dev/eeprom of=/dev/console bs=4 count=35
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Witte-Tech Linum-STM32H753BI board
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nsh>
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buzzer
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------
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This example use the timer 4 with channel 2 to generate a PWM output signal on buzzer pin::
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nsh> ls /dev
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/dev:
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console
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null
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pwm0
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rtc0
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ttyS0
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nsh> pwm -d 75 -t 3
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pwm_main: starting output with frequency: 100 duty: 0000bfff
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pwm_main: stopping output
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nsh> pwm -f 300 -t 3
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pwm_main: starting output with frequency: 300 duty: 0000bfff
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pwm_main: stopping output
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leds
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------
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Example to blink the RBG led of board, using this example the board led status support stop to work::
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# turn on led red
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printf \x00000001 > /dev/userleds
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# turn on led green
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printf \x00000002 > /dev/userleds
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# turn on led blue
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printf \x00000004 > /dev/userleds
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# Run blink leds sample
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nsh> leds
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leds_main: Starting the led_daemon
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leds_main: led_daemon started
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led_daemon (pid# 3): Running
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led_daemon: Opening /dev/userleds
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led_daemon: Supported LEDs 0x07
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led_daemon: LED set 0x01
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nsh> led_daemon: LED set 0x02
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led_daemon: LED set 0x03
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led_daemon: LED set 0x04
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led_daemon: LED set 0x05
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led_daemon: LED set 0x06
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led_daemon: LED set 0x07
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led_daemon: LED set 0x06
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led_daemon: LED set 0x05
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led_daemon: LED set 0x04
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led_daemon: LED set 0x03
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led_daemon: LED set 0x02
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led_daemon: LED set 0x01
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zmodem
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------
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This example use the nsh via usb and the SDCard to storage the files exchanged.
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By default the zmodem lib use the path /tmp to storage the files.
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Sending files to target::
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# Mount the SDCard at /tmp
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nsh> mount -t vfat /dev/mmcsd0 /tmp
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# Waiting for a new file.
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nsh> rz
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# Transmitting a file to target.
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my_pc$ sz --zmodem nuttx_logo.txt > /dev/ttyACM0 < /dev/ttyACM0
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# Check if the file was received
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nsh> ls -l /tmp
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/tmp:
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-rw-rw-rw- 1942 nuttx_logo.txt
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Transmiting a file to PC::
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# Sending the file nuttx_logo.txt to PC
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nsh> sz -x 1 /tmp/nuttx_logo.txt
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**B00000000000000
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# Using zmodem to receive a file from target
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my_pc/temp$ rz > /dev/ttyACM0 < /dev/ttyACM0
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Receiving: nuttx_logo.txt
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Bytes received: 1942/ 1942 BPS:124544
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Transfer complete
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my_pc/temp$ ls -l
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-rw------- 1 nuttx nuttx 1942 abr 6 16:07 nuttx_logo.txt
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If you don't have a SDCard on your board, you can mount the TMPFS at /tmp and transfer files to it,
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but you cannot transfer big files because TMPFS could use the free RAM of your board::
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nsh> mount -t tmpfs /tmp
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nxffs
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-----
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This example use the flash memory W25Q128JV via qspi with the nxffs file system::
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NuttShell (NSH) NuttX-12.5.1-RC0
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nsh> ls
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/:
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dev/
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w25/
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nsh> cd /w25
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nsh> echo "hello world!" > message.txt
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nsh> ls
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/w25:
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message.txt
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nsh> cat message.txt
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hello world!
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littlefs
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|
--------
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This example use the flash memory W25Q128JV via qspi with the littlefs file system::
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NuttShell (NSH) NuttX-12.5.1-RC0
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nsh> ls
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/:
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dev/
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w25/
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nsh> cd /w25
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nsh> mkdir folder1
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nsh> cd folder1
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nsh> echo "hello world!!!!" > message.txt
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nsh> cat message.txt
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hello world!!!!
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nsh> ls
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/w25/folder1:
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.
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..
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message.txt
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rndis
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-----
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This exemple use ethernet over usb and show how configure ip and download file with wget command from server.
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After flash the board check if the linux found and recognized the new network driver::
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$ sudo dmesg | tail
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[30260.873245] rndis_host 3-1.3:1.0 enxa0e0deadbeef: unregister 'rndis_host' usb-0000:00:14.0-1.3, RNDIS device
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[30265.461419] usb 3-1.3: new full-speed USB device number 34 using xhci_hcd
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[30265.563354] usb 3-1.3: New USB device found, idVendor=584e, idProduct=5342, bcdDevice= 0.01
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[30265.563359] usb 3-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
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[30265.563361] usb 3-1.3: Product: RNDIS gadget
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[30265.563362] usb 3-1.3: Manufacturer: NuttX
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[30265.563363] usb 3-1.3: SerialNumber: 1234
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[30265.572179] rndis_host 3-1.3:1.0: dev can't take 1558 byte packets (max 660), adjusting MTU to 602
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[30265.573517] rndis_host 3-1.3:1.0 eth0: register 'rndis_host' at usb-0000:00:14.0-1.3, RNDIS device, a0:e0:de:ad:be:ef
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[30265.584924] rndis_host 3-1.3:1.0 enxa0e0deadbeef: renamed from eth0
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$ ifconfig
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enxa0e0deadbeef: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 602
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inet 10.42.0.1 netmask 255.255.255.0 broadcast 10.42.0.255
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ether a0:e0:de:ad:be:ef txqueuelen 1000 (Ethernet)
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RX packets 87 bytes 10569 (10.5 KB)
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RX errors 0 dropped 0 overruns 0 frame 0
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TX packets 99 bytes 22896 (22.8 KB)
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TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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obs: In network settings of PC enable "Shared to other computers"
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Configure the IP of target::
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nsh> ifconfig eth0 10.42.0.2
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nsh> ifconfig
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lo Link encap:Local Loopback at RUNNING mtu 1518
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inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
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eth0 Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at UP mtu 576
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inet addr:10.42.0.2 DRaddr:10.42.0.1 Mask:255.255.255.0
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IPv4 TCP UDP ICMP
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Received 012a 0000 0126 0000
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Dropped 0004 0000 0000 0000
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IPv4 VHL: 0000 Frg: 0001
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Checksum 0000 0000 0000 ----
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TCP ACK: 0000 SYN: 0000
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RST: 0000 0000
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Type 0000 ---- ---- 0000
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Sent 0000 0000 0000 0000
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Rexmit ---- 0000 ---- ----
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nsh>
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Testing communication with PC using ping command::
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nsh> ping 10.42.0.1
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PING 10.42.0.1 56 bytes of data
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56 bytes from 10.42.0.1: icmp_seq=0 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=1 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=2 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=3 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=4 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=5 time=0.0 ms
|
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56 bytes from 10.42.0.1: icmp_seq=6 time=0.0 ms
|
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56 bytes from 10.42.0.1: icmp_seq=7 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=8 time=0.0 ms
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56 bytes from 10.42.0.1: icmp_seq=9 time=0.0 ms
|
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10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
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rtt min/avg/max/mdev = 0.000/0.000/0.000/0.000 ms
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In your pc you will be able connect to target using telnet and access their shell nsh::
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$ telnet 10.42.0.2
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Trying 10.42.0.2...
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Connected to 10.42.0.2.
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Escape character is '^]'.
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|
|
NuttShell (NSH) NuttX-12.5.1
|
|
nsh> uname -a
|
|
NuttX 12.5.1 c148e8f2af-dirty Apr 28 2024 10:27:50 arm linum-stm32h753bi
|
|
nsh> exit
|
|
Connection closed by foreign host.
|
|
$
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|
|
|
Testing wget to download file from server::
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|
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# PC: Creating a http server and sharing local folder.
|
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$ sudo python3 -m http.server 80 -d ./
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|
|
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# log of server
|
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Serving HTTP on 0.0.0.0 port 80 (http://0.0.0.0:80/) ...
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10.42.0.2 - - [28/Apr/2024 16:14:39] "GET /nuttx_logo.txt HTTP/1.0" 200 -
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|
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# Using wget on target
|
|
nsh> mount -t tmpfs /tmp
|
|
nsh> cd /tmp
|
|
nsh> pwd
|
|
/tmp
|
|
nsh> wget http://10.42.0.1/nuttx_logo.txt
|
|
nsh> ls
|
|
/tmp:
|
|
nuttx_logo.txt
|