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January 2, 2019 08:04
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TM8 eForth MODBUS - stubs for bus media access
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| \ STM8 eForth MODBUS stubs for bus media access | |
| \res MCU: STM8S103 | |
| \res export PB_ODR PB_DDR | |
| #require ]B! | |
| NVM | |
| \ Set RS485 Driver to "RX" | |
| : RS485rx ( -- ) | |
| [ 0 PB_ODR 5 ]B! | |
| ; | |
| \ Set RS485 Driver to "TX" | |
| : RS485tx ( -- ) | |
| [ 0 PB_ODR 5 ]B! | |
| ; | |
| \ Initialize GPIO and RS485 Driver | |
| : RS485DE ( -- ) | |
| RS485rx | |
| [ 1 PB_DDR 5 ]B! | |
| ; | |
| RAM | |
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