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BluetoothSerial: check return value and return number of bytes written #1538

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Merged
merged 1 commit into from
Jun 27, 2018
Merged

BluetoothSerial: check return value and return number of bytes written #1538

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21 changes: 12 additions & 9 deletions libraries/BluetoothSerial/src/BluetoothSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -220,21 +220,24 @@ int BluetoothSerial::read(void)

size_t BluetoothSerial::write(uint8_t c)
{
if (_spp_client){
uint8_t buffer[1];
buffer[0] = c;
esp_spp_write(_spp_client, 1, buffer);
return 1;
if (!_spp_client){
return 0;
}
return -1;

uint8_t buffer[1];
buffer[0] = c;
esp_err_t err = esp_spp_write(_spp_client, 1, buffer);
return (err == ESP_OK) ? 1 : 0;
}

size_t BluetoothSerial::write(const uint8_t *buffer, size_t size)
{
if (_spp_client){
esp_spp_write(_spp_client, size, (uint8_t *)buffer);
if (!_spp_client){
return 0;
}
return size;

esp_err_t err = esp_spp_write(_spp_client, size, (uint8_t *)buffer);
return (err == ESP_OK) ? size : 0;
}

void BluetoothSerial::flush()
Expand Down