sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-03-15 15:18:16 +00:00
Code Issues Releases Wiki Activity

mhz19: add logging of sent and received PDUs

Browse Source 
it should help with debbuging issues if debugging is enabled.
Also it adds buffer dump function that will be used later
to dump invalid responses.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
This commit is contained in:
Igor Mammedov 2019-05-23 21:18:59 +02:00 committed by nur
parent 0e0fae7e02
commit f1ed524884
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
esphome/components/mhz19/mhz19.cpp
View File

@ -16,6 +16,15 @@ uint8_t mhz19_checksum(const uint8_t *command) {
return 0xFF - sum + 0x01; return 0xFF - sum + 0x01;
} }
static char hex_buf[MHZ19_PDU_LENGTH * 3 + 1];
const char *dump_data_buf(const uint8_t *data) {
memset(hex_buf, '\0', sizeof(hex_buf));
for (int i = 0; i < MHZ19_PDU_LENGTH; i++) {
sprintf(hex_buf, "%s%0x%s", hex_buf, data[i], i == MHZ19_PDU_LENGTH - 1 ? "" : " ");
}
return hex_buf;
}
void MHZ19Component::update() { void MHZ19Component::update() {
uint8_t response[MHZ19_PDU_LENGTH]; uint8_t response[MHZ19_PDU_LENGTH];
if (!this->mhz19_write_command_(MHZ19_COMMAND_GET_PPM, response)) { if (!this->mhz19_write_command_(MHZ19_COMMAND_GET_PPM, response)) {
@ -50,6 +59,7 @@ void MHZ19Component::update() {
} }
bool MHZ19Component::mhz19_write_command_(const uint8_t *command, uint8_t *response) { bool MHZ19Component::mhz19_write_command_(const uint8_t *command, uint8_t *response) {
ESP_LOGD(TAG, "cmd [%s]", dump_data_buf(command));
this->write_array(command, MHZ19_PDU_LENGTH); this->write_array(command, MHZ19_PDU_LENGTH);
this->flush(); this->flush();
@ -57,6 +67,7 @@ bool MHZ19Component::mhz19_write_command_(const uint8_t *command, uint8_t *respo
return true; return true;
bool ret = this->read_array(response, MHZ19_PDU_LENGTH); bool ret = this->read_array(response, MHZ19_PDU_LENGTH);
ESP_LOGD(TAG, "resp [%s]", dump_data_buf(response));
return ret; return ret;
} }
float MHZ19Component::get_setup_priority() const { return setup_priority::DATA; } float MHZ19Component::get_setup_priority() const { return setup_priority::DATA; }