mirror
/
SP8EBC-ParaTNC
kopia lustrzana https://github.com/SP8EBC/ParaTNC
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

backport max31865 driver from tatry variant

master
Mateusz Lubecki 2023-01-31 19:11:30 +01:00
rodzic a733712e1e
commit d0b73e9f75
2 zmienionych plików z 19 dodań i 9 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

2
system/include/drivers/max31865.h
Wyświetl plik

@ -24,7 +24,7 @@ typedef enum max31865_qf_t {
extern uint8_t max31865_current_fault_status;
void max31865_init(uint8_t rdt_type, uint8_t reference_resistor);
void max31865_init(uint8_t rdt_type, uint8_t reference_resistor_index);
void max31865_init_average(void);
void max31865_pool(void);
int32_t max31865_get_pt100_result();

26
system/src/drivers/max31865.c
Wyświetl plik

@ -76,6 +76,11 @@ max31865_pool_state_t max31865_current_state = MAX_UNINITIALIZED;
*/
float max31865_rref = 0;
/**
* And it's index from the table
*/
uint8_t max31865_rref_index = 0;
/**
* This variable is incremented from 0 up to 9 to pause measurement
* state machine into MAX_SHUTDOWN state. When it reach 9 measurement
@ -151,6 +156,7 @@ max31865_qf_t max31865_quality_factor = MAX_QF_UNKNOWN;
*
*/
uint8_t max31865_measurements_counter = 0;
uint8_t max31865_merasurements_error_counter = 0;
int_average_t max31865_average;
@ -219,7 +225,7 @@ static void max31865_send_config_register(void) {
}
}
void max31865_init(uint8_t rdt_type, uint8_t reference_resistor) {
void max31865_init(uint8_t rdt_type, uint8_t reference_resistor_index) {
uint8_t * rx_data;
@ -235,15 +241,17 @@ void max31865_init(uint8_t rdt_type, uint8_t reference_resistor) {
return;
}
if (reference_resistor > 31) {
if (reference_resistor_index > 31) {
max31865_current_state = MAX_UNINITIALIZED;
return;
}
else {
max31865_rref = max31865_rref_lookup_table[reference_resistor];
max31865_rref = max31865_rref_lookup_table[reference_resistor_index];
}
max31865_rref_index = reference_resistor_index;
// set filter to 50Hz
max31865_filter_select = 1;
@ -287,10 +295,10 @@ void max31865_pool(void) {
case MAX_IDLE:
// MAX31865 is powered up but not initialized
if (max31865_rdt_sensor_type == 1) {
max31865_init(MAX_3WIRE, max31865_rref);
max31865_init(MAX_3WIRE, max31865_rref_index);
}
else {
max31865_init(MAX_4WIRE, max31865_rref);
max31865_init(MAX_4WIRE, max31865_rref_index);
}
if (max31865_ok == 1) {
@ -374,6 +382,8 @@ void max31865_pool(void) {
max31865_quality_factor = MAX_QF_FULL;
}
else {
max31865_merasurements_error_counter++;
max31865_current_state = MAX_ERROR;
max31865_quality_factor = MAX_QF_NOT_AVALIABLE;
@ -383,18 +393,18 @@ void max31865_pool(void) {
max31865_vbias = 0;
// this function may change 'max31865_current_state' internally due to errors
max31865_send_config_register();
//max31865_send_config_register();
max31865_shutdown_ticks = 0;
}
break;
case MAX_SHUTDOWN:
// MAX31865 is powered up and initialized but PT bias is disabled
// and no measurement is ongoing
if (max31865_shutdown_ticks++ > MAX31865_INTERVAL) {
max31865_current_state = MAX_INITIALIZED;
max31865_current_state = MAX_IDLE; //
max31865_shutdown_ticks = 0;
}