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AP_HAL: define more UART option bits

This commit is contained in:
Andrew Tridgell 2020-01-03 12:50:22 +11:00
parent ab0f1a8887
commit 4eccea2607
1 changed files with 11 additions and 5 deletions
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16
libraries/AP_HAL/UARTDriver.h
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@ -49,14 +49,20 @@ public:
virtual int16_t read_locked(uint32_t key) { return -1; }
// control optional features
virtual bool set_options(uint8_t options) { return options==0; }
virtual bool set_options(uint16_t options) { return options==0; }
virtual uint8_t get_options(void) const { return 0; }
enum {
OPTION_RXINV=(1U<<0), // invert RX line
OPTION_TXINV=(1U<<1), // invert TX line
OPTION_HDPLEX=(1U<<2), // half-duplex (one-wire) mode
OPTION_SWAP=(1U<<3), // swap RX and TX pins
OPTION_RXINV = (1U<<0), // invert RX line
OPTION_TXINV = (1U<<1), // invert TX line
OPTION_HDPLEX = (1U<<2), // half-duplex (one-wire) mode
OPTION_SWAP = (1U<<3), // swap RX and TX pins
OPTION_PULLDOWN_RX = (1U<<4), // apply pulldown to RX
OPTION_PULLUP_RX = (1U<<5), // apply pullup to RX
OPTION_PULLDOWN_TX = (1U<<6), // apply pulldown to TX
OPTION_PULLUP_TX = (1U<<7), // apply pullup to TX
OPTION_NODMA_RX = (1U<<8), // don't use DMA for RX
OPTION_NODMA_TX = (1U<<9), // don't use DMA for TX
};
enum flow_control {