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Implement TMP144 timeout

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This commit is contained in:
jazzpi
2022-06-24 04:36:31 +02:00
parent ec1383960b
commit c8d6894e4b
2 changed files with 68 additions and 29 deletions
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19
Core/Inc/TMP144.h
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@ -11,18 +11,22 @@
#include "common_defs.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_def.h"
#include "stm32f4xx_hal_uart.h"
#define N_SENSORS 32
#define N_TEMP_SENSORS 32
#define TMP144_RESPONSE_TIMEOUT 100 /* ms */
extern volatile uint16_t temperatures[N_SENSORS];
extern volatile uint16_t max_temp;
extern volatile uint16_t temperatures[N_TEMP_SENSORS];
extern volatile uint16_t min_temperature;
extern volatile uint16_t max_temperature;
typedef enum {
TMP144_IDLE,
TMP144_RESETTING,
TMP144_INITIALIZING,
TMP144_READING_TEMP
TMP144_READING_TEMP,
TMP144_ERROR
} TMP144State;
typedef struct {
@ -32,11 +36,18 @@ typedef struct {
uint8_t rxbuf[34];
size_t n_sensors;
uint32_t expected_response_time;
} TMP144Bus;
extern volatile TMP144Bus tmp144_bus_busbar;
extern volatile TMP144Bus tmp144_bus_other;
HAL_StatusTypeDef tmp144_init(UART_HandleTypeDef* busbar_side,
UART_HandleTypeDef* other_side);
HAL_StatusTypeDef tmp144_check_timeouts();
HAL_StatusTypeDef tmp144_init_reset(TMP144Bus* bus);
HAL_StatusTypeDef tmp144_init_post_reset(TMP144Bus* bus);
HAL_StatusTypeDef tmp144_init_post_addr(TMP144Bus* bus);