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Fix buffer index definition for CAN driver #110

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Fix buffer index definition for CAN driver #110

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a3cb790
Fix buffer index definition for CAN driver
SWolfSchunk Jun 30, 2026
528a9ca
Add BUFFER_INDEXES definition if not defined
SWolfSchunk Jun 30, 2026
e949f31
Update FDCAN buffer index definitions
SWolfSchunk Jul 1, 2026
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13 changes: 8 additions & 5 deletions CANopenNode_STM32/CO_driver_STM32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,11 +38,14 @@ static CO_CANmodule_t* CANModule_local = NULL; /* Local instance of global CAN m
#define CANID_MASK 0x07FF /*!< CAN standard ID mask */
#define FLAG_RTR 0x8000 /*!< RTR flag, part of identifier */

#ifndef BUFFERE_INDEXES
#ifdef STM32H5xx_HAL_CONF_H
#define BUFFERE_INDEXES FDCAN_TX_BUFFER0 | FDCAN_TX_BUFFER1 | FDCAN_TX_BUFFER2
#ifndef FDCAN_BUFFER_INDEXES
#if defined (FDCAN_TX_BUFFER31)
#define FDCAN_BUFFER_INDEXES 0xFFFFFFFFU
#elif defined (FDCAN_TX_BUFFER2)
#define FDCAN_BUFFER_INDEXES FDCAN_TX_BUFFER0 | FDCAN_TX_BUFFER1 | FDCAN_TX_BUFFER2
#else
#define BUFFERE_INDEXES 0xFFFFFFFF
#define FDCAN_BUFFER_INDEXES 0xFFFFFFFFU
#warning "FDCAN_BUFFER_INDEXES not defined"
#endif
#endif

Expand Down Expand Up @@ -170,7 +173,7 @@ CO_CANmodule_init(CO_CANmodule_t* CANmodule, void* CANptr, CO_CANrx_t rxArray[],
| FDCAN_IT_TX_COMPLETE | FDCAN_IT_TX_FIFO_EMPTY | FDCAN_IT_BUS_OFF
| FDCAN_IT_ARB_PROTOCOL_ERROR | FDCAN_IT_DATA_PROTOCOL_ERROR
| FDCAN_IT_ERROR_PASSIVE | FDCAN_IT_ERROR_WARNING,
BUFFERE_INDEXES)
FDCAN_BUFFER_INDEXES)
!= HAL_OK) {
return CO_ERROR_ILLEGAL_ARGUMENT;
}
Expand Down