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AP_Bootloader: support changing baudrates on UARTs

This commit is contained in:
Andrew Tridgell 2018-06-25 14:10:21 +10:00
parent e40457d98f
commit 0ebd05aa1a
2 changed files with 9 additions and 4 deletions
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5
Tools/AP_Bootloader/bl_protocol.cpp
View File

@ -733,9 +733,14 @@ bootloader(unsigned timeout)
// send the sync response for this command
sync_response();
delay(5);
// set the baudrate
port_setbaud(baud);
lock_bl_port();
timeout = 0;
// this is different to what every other case in this
// switch does! Most go through sync_response down the
// bottom, but we need to undertake an action after

8
Tools/AP_Bootloader/support.cpp
View File

@ -29,7 +29,7 @@ int16_t cin(unsigned timeout_ms)
}
}
}
chThdSleepMicroseconds(100);
chThdSleepMicroseconds(500);
return -1;
}
@ -43,7 +43,7 @@ int cin_word(uint32_t *wp, unsigned timeout_ms)
}
}
}
chThdSleepMicroseconds(100);
chThdSleepMicroseconds(500);
return -1;
}
@ -346,14 +346,14 @@ void init_uarts(void)
*/
void port_setbaud(uint32_t baudrate)
{
sercfg.speed = baudrate;
#ifdef HAL_USE_SERIAL_USB
if (uarts[last_uart] == (BaseChannel *)&SDU1) {
// can't set baudrate on USB
return;
}
#endif
sdStop((SerialDriver *)uarts[last_uart]);
memset(&sercfg, 0, sizeof(sercfg));
sercfg.speed = baudrate;
sdStart((SerialDriver *)uarts[last_uart], &sercfg);
}