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::write() returns number of bytes written, so I check for not zero as a pass

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This commit is contained in:
Jake Dahl
2018-10-16 18:28:33 -06:00
committed by Kabir Mohammed
parent cbae32a50a
commit e6d78b89a2
1 changed files with 13 additions and 13 deletions
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src/drivers/distance_sensor/pga460/pga460.cpp
+13 -13
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@@ -147,7 +147,7 @@ int PGA460::initialize_thresholds()
int ret = ::write(_fd, &settings_buf[0], sizeof(settings_buf)); int ret = ::write(_fd, &settings_buf[0], sizeof(settings_buf));
if (ret < 0) { if (!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -230,7 +230,7 @@ int PGA460::flash_eeprom()
eeprom_write_buf[4] = checksum; eeprom_write_buf[4] = checksum;
int ret = ::write(_fd, &eeprom_write_buf[0], sizeof(eeprom_write_buf)); int ret = ::write(_fd, &eeprom_write_buf[0], sizeof(eeprom_write_buf));
if (ret < 0) { if (!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -243,9 +243,9 @@ float PGA460::get_temperature()
uint8_t checksum = calc_checksum(&buf_tx[0], 3); uint8_t checksum = calc_checksum(&buf_tx[0], 3);
buf_tx[3] = checksum; buf_tx[3] = checksum;
int result = ::write(_fd, &buf_tx[0], sizeof(buf_tx)); int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx));
if (result < 0) { if (!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -253,9 +253,9 @@ float PGA460::get_temperature()
usleep(5000); usleep(5000);
buf_tx[1] = TNLR; buf_tx[1] = TNLR;
int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx) - 2); ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx) - 2);
if (ret < 0) { if (!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -524,7 +524,7 @@ int PGA460::read_eeprom()
// The pga460 responds to this write() call by reporting current eeprom values. // The pga460 responds to this write() call by reporting current eeprom values.
ret = ::write(_fd, &cmd_buf[0], sizeof(cmd_buf)); ret = ::write(_fd, &cmd_buf[0], sizeof(cmd_buf));
if (ret < 0) { if (!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -576,7 +576,7 @@ uint8_t PGA460::read_register(const uint8_t reg)
int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx)); int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx));
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -624,7 +624,7 @@ int PGA460::read_threshold_registers()
int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx)); int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx));
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -671,7 +671,7 @@ int PGA460::request_results()
int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx)); int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx));
usleep(10000); usleep(10000);
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -741,7 +741,7 @@ int PGA460::take_measurement(const uint8_t mode)
int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx)); int ret = ::write(_fd, &buf_tx[0], sizeof(buf_tx));
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -828,7 +828,7 @@ int PGA460::unlock_eeprom()
eeprom_write_buf[4] = checksum; eeprom_write_buf[4] = checksum;
int ret = ::write(_fd, &eeprom_write_buf[0], sizeof(eeprom_write_buf)); int ret = ::write(_fd, &eeprom_write_buf[0], sizeof(eeprom_write_buf));
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }
@@ -851,7 +851,7 @@ int PGA460::write_eeprom()
int ret = ::write(_fd, &settings_buf[0], sizeof(settings_buf)); int ret = ::write(_fd, &settings_buf[0], sizeof(settings_buf));
if(ret < 0) { if(!ret) {
return PX4_ERROR; return PX4_ERROR;
} }