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AP_HAL_Empty: add and use a "bool read(c)" method to AP_HAL 

this is much less likely to not work vs the int16_t equivalent
This commit is contained in:
Peter Barker 2023-02-21 20:35:57 +11:00 committed by Peter Barker
parent 130f2c3bc8
commit d601d83b4b
2 changed files with 2 additions and 2 deletions
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2
libraries/AP_HAL_Empty/UARTDriver.cpp
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@ -15,7 +15,7 @@ bool Empty::UARTDriver::tx_pending() { return false; }
/* Empty implementations of Stream virtual methods */
uint32_t Empty::UARTDriver::available() { return 0; }
uint32_t Empty::UARTDriver::txspace() { return 1; }
int16_t Empty::UARTDriver::read() { return -1; }
bool Empty::UARTDriver::read(uint8_t &b) { return false; }
bool Empty::UARTDriver::discard_input() { return false; }
/* Empty implementations of Print virtual methods */

2
libraries/AP_HAL_Empty/UARTDriver.h
View File

@ -17,7 +17,7 @@ public:
/* Empty implementations of Stream virtual methods */
uint32_t available() override;
uint32_t txspace() override;
int16_t read() override;
bool read(uint8_t &b) override WARN_IF_UNUSED;
bool discard_input() override;
/* Empty implementations of Print virtual methods */