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

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This commit is contained in:
Gottfried Haider 2018-06-27 14:00:31 -07:00 committed by Me No Dev
parent 93566a4fad
commit ed953a0d2e
1 changed files with 12 additions and 9 deletions
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21
libraries/BluetoothSerial/src/BluetoothSerial.cpp
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@ -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()