RT_CAN_CMD_SET_MODE 0x15 /* 设置 CAN 工作模式 */ #define RT_CAN_CMD_SET_PRIV 0x16 /* 设置发送优先级 */ #define RT_CAN_CMD_GET_STATUS 0x17 /* 获取 CAN 设备状态 */ #define RT_CAN_CMD_SET_STATUS_IND 0x18 /* 设置状态回调函数 */ #define RT_CAN_CMD_SET_BUS_HOOK 0x19 /*...
AI代码解释 struct rt_spi_device*spi_dev_ld3320;spi_dev_ld3320=(struct rt_spi_device*)rt_device_find(name);if(!spi_dev_ld3320){rt_kprintf("spi sample run failed! can't find %s device!\n",name);}else{rt_kprintf("spi sample run success!find %s device!\n",name);} 自定义传输数据...
*/rt_err_trt_device_control(rt_device_tdev,intcmd,void*arg)/** * general device commands 上面 cmd 的参数 */#defineRT_DEVICE_CTRL_RESUME 0x01/**< resume device */#defineRT_DEVICE_CTRL_SUSPEND 0x02/**< suspend device */#defineRT_DEVICE_CTRL_CONFIG 0x03/**< configure device */#defi...
rt_int32_t (*get_card_status)(struct rt_mmcsd_host *host); void (*enable_sdio_irq)(struct rt_mmcsd_host *host, rt_int32_t en); }; 4.通知驱动框架层(此处demo程序默认上电前sd卡已接入); 以rt-thread/bsp/stm32/libraries/HAL_Drivers/drv_sdio.c 程序为例,SDIO驱动层程序从 rt...
led_flag = 0 ; rt_pin_write(LED0_PIN, PIN_LOW); } } return 0; } /* 导出到 msh 命令列表中 */ MSH_CMD_EXPORT(adc_cmd, adc open or close); int main(void) { rt_uint8_t status = 0 ; char *procol_buf = NULL ; MQ2_Sensor.serial_number = 0 ; MQ2_Sensor.smoke_value = ...
#define IST8310_RSTN_PIN_NUM GET_PIN(G,6) #define MAG_SEN 0.3f //raw int16 data change to uT unit. 原始整型数据变成 单位ut typedef struct ist8310_real_data_t { uint8_t status; float mag[3]; } ist8310_real_data_t; //the first column:the registers of IST8310. 第一列:IST8310...
rt_err_t (*control)(rt_device_t dev, int cmd, void *args); 这里引用官方的说明: 2.2.2 销毁设备 此函数不一定需要使用,但是有创建就应该有销毁: /* 参数的含义: dev 设备句柄 */ void rt_device_destroy(rt_device_t dev) 2.2.3 设备注册 ...
rt_memset(door_status_buff, THE_DOOR_IS_CLOSE, device_chn_num * device_num); /* 解析消息数据 */ while (1) { str_cmd = rt_strstr(str_val, ","); if (str_cmd) { *str_cmd = '\0'; door_idx = atoi(str_val); if ((door_idx > 0) && (door_idx > last_door_idx) && ...
shell->current_history ++; else { /* set to the end of history */ if (shell->history_count != 0) shell->current_history = shell->history_count - 1; else continue; } memcpy(shell->line, &shell->cmd_history[shell->current_history][0], FINSH_CMD_SIZE); shell->line_curpos = she...
如果是具有浮点单元的 Cortex-M4 或者 Cortex-M7,控制寄存器也用来指示浮点单元当前是否在使用,浮点单元包含了 32 个浮点通用寄存器 S0\~S31 和特殊 FPSCR 寄存器(Floating point status and control register)。 操作模式和特权模式 Cortex-M 引入了操作模式和特权级别的概念,分别为线程模式和处理模式,如果进入异常或...