foxBMS  1.1.1
The foxBMS Battery Management System API Documentation
io.c
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41 
42 /**
43  * @file io.c
44  * @author foxBMS Team
45  * @date 2020-06-05 (date of creation)
46  * @updated 2021-07-14 (date of last update)
47  * @ingroup DRIVERS
48  * @prefix IO
49  *
50  * @brief Driver for the IO module
51  *
52  *
53  */
54 
55 /*========== Includes =======================================================*/
56 #include "io.h"
57 
58 /*========== Macros and Definitions =========================================*/
59 
60 /*========== Static Constant and Variable Definitions =======================*/
61 
62 /*========== Extern Constant and Variable Definitions =======================*/
63 
64 /*========== Static Function Prototypes =====================================*/
65 
66 /*========== Static Function Implementations ================================*/
67 
68 /*========== Extern Function Implementations ================================*/
69 
70 extern void IO_PinSet(volatile uint32_t *pRegisterAddress, uint32_t pin) {
71  FAS_ASSERT(pRegisterAddress != NULL_PTR);
73 
74  *pRegisterAddress |= (uint32_t)((uint32_t)1u << pin);
75 }
76 
77 extern void IO_PinReset(volatile uint32_t *pRegisterAddress, uint32_t pin) {
78  FAS_ASSERT(pRegisterAddress != NULL_PTR);
80 
81  *pRegisterAddress &= ~(uint32_t)((uint32_t)1u << pin);
82 }
83 
84 extern uint8_t IO_PinGet(const volatile uint32_t *pRegisterAddress, uint32_t pin) {
85  FAS_ASSERT(pRegisterAddress != NULL_PTR);
87 
88  uint8_t pinState = (uint8_t)((*pRegisterAddress & ((uint32_t)1u << (pin))) >> pin);
89  return pinState;
90 }
91 
92 /*========== Externalized Static Function Implementations (Unit Test) =======*/
#define FAS_ASSERT(x)
Assertion macro that asserts that x is true.
Definition: fassert.h:237
#define NULL_PTR
Null pointer.
Definition: fstd_types.h:66
#define LARGEST_PIN_NUMBER
largest pin number that exists in TMS570LC4357
Definition: general.h:73
uint8_t IO_PinGet(const volatile uint32_t *pRegisterAddress, uint32_t pin)
Get pin state.
Definition: io.c:84
void IO_PinSet(volatile uint32_t *pRegisterAddress, uint32_t pin)
Set pin by writing in pin output register.
Definition: io.c:70
void IO_PinReset(volatile uint32_t *pRegisterAddress, uint32_t pin)
Set pin by writing in pin output register.
Definition: io.c:77
Header for the driver for the IO module.