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AP_RangeFinder: use FALLTHROUGH define

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When falling through on a case switch, allow to add an empty statement
with the correct attribute to tell the compiler this behavior is
intended.
This commit is contained in:
Lucas De Marchi 2017-08-22 10:28:10 -07:00
parent b37ca322f1
commit 7b0d6166e1
1 changed files with 5 additions and 2 deletions
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7
libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp
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@ -71,14 +71,17 @@ bool AP_RangeFinder_LeddarOne::get_reading(uint16_t &reading_cm)
read_len = 0; read_len = 0;
modbus_status = LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST; modbus_status = LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST;
} }
// no break to fall through to next state LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST immediately
// fall through to next state LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST
// immediately
FALLTHROUGH;
case LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST: case LEDDARONE_MODBUS_STATE_PRE_SEND_REQUEST:
// send a request message for Modbus function 4 // send a request message for Modbus function 4
uart->write(send_request_buffer, sizeof(send_request_buffer)); uart->write(send_request_buffer, sizeof(send_request_buffer));
modbus_status = LEDDARONE_MODBUS_STATE_SENT_REQUEST; modbus_status = LEDDARONE_MODBUS_STATE_SENT_REQUEST;
last_sending_request_ms = AP_HAL::millis(); last_sending_request_ms = AP_HAL::millis();
// no break FALLTHROUGH;
case LEDDARONE_MODBUS_STATE_SENT_REQUEST: case LEDDARONE_MODBUS_STATE_SENT_REQUEST:
if (uart->available()) { if (uart->available()) {