s32k144 canfd驱动
时间: 2025-06-29 19:06:18 浏览: 3
### S32K144 Microcontroller CAN FD Driver Implementation
For the S32K144 microcontroller, implementing a CAN FD (Controller Area Network with Flexible Data-rate) driver involves configuring hardware settings and writing software to manage communication protocols effectively[^1]. The NXP S32 Design Studio provides an integrated development environment that supports creating applications for this microcontroller family.
The initialization of the CAN FD module requires setting up several parameters such as baud rates for nominal and data phases, enabling or disabling features like automatic retransmission on error conditions, and specifying message buffers for transmission and reception operations[^2].
To facilitate rapid prototyping and application development, developers can leverage pre-built libraries provided by NXP. These libraries include functions for initializing peripherals, handling interrupts, transmitting messages over CAN bus lines, receiving frames from other nodes connected via these buses, managing errors during transfers between devices within networks using this protocol standard, etc.[^3]
An example code snippet demonstrating how one might initialize the CAN FD interface could look something similar:
```c
#include "S32K144.h"
void Init_CANFD(void){
/* Enable clock */
CCM_CCGR0 |= CCM_CCGR0_CAN_CLK_MASK;
/* Reset CAN Module */
RESET->RSTCTRL &= ~RESET_RSTCTRL_CAN_RST_MASK;
/* Initialize CAN FD configuration structure */
flexcan_fd_config_t config;
FLEXCAN_FD_GetDefaultConfig(&config);
/* Set Baud Rate Prescaler values */
config.baudRate.clkSrc = kFLEXCAN_BaudRateSrcOscillator;
config.baudRate.nominalBitRate_bps = 500000U; // Nominal bit rate set at 500kbps
config.baudRate.dataBitRate_bps = 2000000U; // Data phase bit rate set at 2Mbps
/* Initialize CAN instance */
FLEXCAN_FD_Init(CAN, &config);
/* Additional configurations... */
}
```
阅读全文
相关推荐


















