Comments (1)
TG9541
commented on July 23, 2024
This works with the latest deferred BUSCTRL:
\ STM8EF-MODBUS eForth RS485 bus control for RS485 board RelayX8
\res MCU: STM8S103
\res export PD_ODR PD_DDR PD_CR1
#require ]B!
NVM
\ Set RS485 Driver to "RX"
: rx ( -- )
[ 0 PD_ODR 7 ]B!
;
\ Set RS485 Driver to "TX"
: tx ( -- )
[ 1 PD_ODR 7 ]B!
;
\ Initialize GPIO and RS485 Driver
: CTRL ( -- )
BUSrx
[ 1 PD_DDR 7 ]B!
[ 1 PD_CR1 7 ]B!
;
' rx is BUSrx
' tx is BUStx
' ctrl is BUSctrl
RAMfrom stm8ef-modbus.
Related Issues (20)
- FC05 addressing off-by-one HOT 1
- Better implementation for "holding" register access
- Pictures (no issue) HOT 3
- Holding register mapping to holding always writes to highest register cell
- Use one buffer for receive and send HOT 1
- Add full board support for the STM8S001J3RS485 board HOT 3
- Update to STM8 eForth 2.2.27.pre2
- STM32F030F4 2-Relay Board HOT 1
- Problems with uploading modbus files on STM8S103F3 board. HOT 4
- New issue with modbus on STM8S103F3. HOT 34
- change node-id and baud without console HOT 10
- Implement a minimal MODBUS-RTU Client HOT 3
- First transmission after reset may release the bus too early HOT 1
- Improve FC>XT for some FC codes > FC16
- Use GitHub Actions instead of Travis-CI HOT 1
- Package source files in the binary release
- Remove obsolete files
- Use DEFER-able dummy BUSCTRL as the default
- Allow configuration of µC variant and buffer size in UARTISR
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from stm8ef-modbus.