lby/mkrtos-real
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

modify mr-library

Browse Source
This commit is contained in:
zhangzheng
2023-11-12 14:36:39 +08:00
parent 955ae6972a
commit cb6a93217d
3 changed files with 5 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
mkrtos_user/lib/mr-library

Submodule mkrtos_user/lib/mr-library updated: 6c804ce5f6...4a5662ce30

36
mkrtos_user/server/drv/mr_drv/src/main.c
View File

@@ -1,43 +1,9 @@
#include "mrapi.h"
#include "device/spi.h"
#define SPI_DEVICE0_CS_NUMBER 10
#define SPI_DEVICE1_CS_NUMBER 20
struct mr_spi_device spi_device0, spi_device1;
int main(int argc, char *args[])
{
printf("mr drv init...\n");
mr_auto_init();
/* 添加SPI设备 */
mr_spi_device_add(&spi_device0, "spi10", SPI_DEVICE0_CS_NUMBER);
mr_spi_device_add(&spi_device1, "spi11", SPI_DEVICE1_CS_NUMBER);
/* 查找SPI设备 */
mr_device_t spi0_device = mr_device_find("spi10");
mr_device_t spi1_device = mr_device_find("spi11");
/* 挂载总线 */
mr_device_ioctl(spi0_device, MR_DEVICE_CTRL_CONNECT, "spi1");
mr_device_ioctl(spi1_device, MR_DEVICE_CTRL_CONNECT, "spi1");
/* 以可读可写的方式打开SPI设备 */
mr_device_open(spi0_device, MR_DEVICE_OFLAG_RDWR);
mr_device_open(spi1_device, MR_DEVICE_OFLAG_RDWR);
/* 写入数据 */
char buffer0[] = "hello";
char buffer1[] = "world";
mr_device_write(spi0_device, -1, buffer0, sizeof(buffer0) - 1);
mr_device_write(spi1_device, -1, buffer1, sizeof(buffer1) - 1);
/* 读取数据 */
mr_device_read(spi0_device, -1, buffer0, sizeof(buffer0) - 1);
mr_device_read(spi1_device, -1, buffer1, sizeof(buffer1) - 1);
/* 关闭设备 */
mr_device_close(spi0_device);
mr_device_close(spi1_device);
return 0;
}