可以用的，应用层测试代码

[liweifoic]

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <linux/i2c-dev.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdint.h>
#include "atsha204a_ioctl.h"

const char *filename = "/dev/atsha204a";

const uint8_t secret_key[32] = { 0x33, 0x77, 0x16, 0x22, 0x82, 0xde, 0xad, 0x8c,
0xe9, 0x14, 0x21, 0x87, 0xf5, 0x34, 0x6e, 0x55,
0xee, 0x42, 0x55, 0xd5, 0xff, 0x33, 0x3a, 0x40,
0x9a, 0xdf, 0xdb, 0x83, 0x55, 0x1b, 0xe2, 0x66
};

void print_hex(const char *str, const uint8_t *hex, const int len)
{
int i;

printf("%s : ", str);

for (i = 0; i < len; i++)
{
    if (i > 0)
    {
        printf(" ");
    }
    printf("0x%02X", hex[i]);
}

printf("\n");
printf("\r\n");

}

uint8_t serial_number[9] = { 0 };
int main()
{
int file;
int rc = 0;

static atsha204a_cmd_sn_t sn;
static atsha204a_cmd_mac_t mac;
static atsha204a_cmd_otp_t otp;
static uint16_t random_number = 0;
static atsha204a_cmd_nonce_t nonce;
static atsha204a_cmd_verify_key_t  verify_key;

if ((file = open(filename, O_RDWR)) < 0)
{
    /* ERROR HANDLING: you can check errno to see what went wrong */
    perror("Failed to open the i2c bus");
    exit(1);
}

if (ioctl(file, ATSHA204A_CMD_READ_SN, &sn) < 0)
{
    printf("ATSHA204A_CMD_READ_SN failed \n");
    rc = 1;
    goto close_exit;
}
print_hex("ATSHA204A_CMD_READ_SN Received data", (uint8_t *)sn.sn,
          sizeof(sn));

memset(&verify_key,0,sizeof(verify_key));
verify_key.slot=KEY_ID_0;
memcpy(verify_key.key, secret_key, sizeof(verify_key.key));

if (ioctl(file, ATSHA204A_CMD_VERIFY_KEY, &verify_key) < 0) 
{
    printf("ATSHA204A_CMD_MAC failed \n");
    rc = 1;
    goto close_exit;
}

printf("ATSHA204A_CMD_VERIFY_KEY OK \n");

close_exit:

close(file);

return rc;

}

[CZ052]

verify_key.slot=KEY_ID_0; KEY_ID_0? is not defind

[LongZoz]

#include <string.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <linux/i2c-dev.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdint.h> #include "atsha204a_ioctl.h"

const char *filename = "/dev/atsha204a";

const uint8_t secret_key[32] = { 0x33, 0x77, 0x16, 0x22, 0x82, 0xde, 0xad, 0x8c, 0xe9, 0x14, 0x21, 0x87, 0xf5, 0x34, 0x6e, 0x55, 0xee, 0x42, 0x55, 0xd5, 0xff, 0x33, 0x3a, 0x40, 0x9a, 0xdf, 0xdb, 0x83, 0x55, 0x1b, 0xe2, 0x66 };

void print_hex(const char *str, const uint8_t *hex, const int len) { int i;

printf("%s : ", str);

for (i = 0; i < len; i++)
{
    if (i > 0)
    {
        printf(" ");
    }
    printf("0x%02X", hex[i]);
}

printf("\n");
printf("\r\n");

}

uint8_t serial_number[9] = { 0 }; int main() { int file; int rc = 0;

static atsha204a_cmd_sn_t sn;
static atsha204a_cmd_mac_t mac;
static atsha204a_cmd_otp_t otp;
static uint16_t random_number = 0;
static atsha204a_cmd_nonce_t nonce;
static atsha204a_cmd_verify_key_t  verify_key;

if ((file = open(filename, O_RDWR)) < 0)
{
    /* ERROR HANDLING: you can check errno to see what went wrong */
    perror("Failed to open the i2c bus");
    exit(1);
}

if (ioctl(file, ATSHA204A_CMD_READ_SN, &sn) < 0)
{
    printf("ATSHA204A_CMD_READ_SN failed \n");
    rc = 1;
    goto close_exit;
}
print_hex("ATSHA204A_CMD_READ_SN Received data", (uint8_t *)sn.sn,
          sizeof(sn));

memset(&verify_key,0,sizeof(verify_key));
verify_key.slot=KEY_ID_0;
memcpy(verify_key.key, secret_key, sizeof(verify_key.key));

if (ioctl(file, ATSHA204A_CMD_VERIFY_KEY, &verify_key) < 0) 
{
    printf("ATSHA204A_CMD_MAC failed \n");
    rc = 1;
    goto close_exit;
}

printf("ATSHA204A_CMD_VERIFY_KEY OK \n");

close_exit:

close(file);

return rc;

}

这个芯片在i2C总线上的地址 是多少呀

[liweifoic]

reg = <0x64>; ***@***.*** 发件人： 张文龙 发送时间： 2023-09-25 10:56 收件人： Tvirus/atsha204a_driver 抄送： liweifoic; Author 主题： Re: [Tvirus/atsha204a_driver] 可以用的，应用层测试代码 (Issue #3) #include <string.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <linux/i2c-dev.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdint.h> #include "atsha204a_ioctl.h" const char *filename = "/dev/atsha204a"; const uint8_t secret_key[32] = { 0x33, 0x77, 0x16, 0x22, 0x82, 0xde, 0xad, 0x8c, 0xe9, 0x14, 0x21, 0x87, 0xf5, 0x34, 0x6e, 0x55, 0xee, 0x42, 0x55, 0xd5, 0xff, 0x33, 0x3a, 0x40, 0x9a, 0xdf, 0xdb, 0x83, 0x55, 0x1b, 0xe2, 0x66 }; void print_hex(const char *str, const uint8_t *hex, const int len) { int i; printf("%s : ", str); for (i = 0; i < len; i++) { if (i > 0) { printf(" "); } printf("0x%02X", hex[i]); } printf("\n"); printf("\r\n"); } uint8_t serial_number[9] = { 0 }; int main() { int file; int rc = 0; static atsha204a_cmd_sn_t sn; static atsha204a_cmd_mac_t mac; static atsha204a_cmd_otp_t otp; static uint16_t random_number = 0; static atsha204a_cmd_nonce_t nonce; static atsha204a_cmd_verify_key_t verify_key; if ((file = open(filename, O_RDWR)) < 0) { /* ERROR HANDLING: you can check errno to see what went wrong */ perror("Failed to open the i2c bus"); exit(1); } if (ioctl(file, ATSHA204A_CMD_READ_SN, &sn) < 0) { printf("ATSHA204A_CMD_READ_SN failed \n"); rc = 1; goto close_exit; } print_hex("ATSHA204A_CMD_READ_SN Received data", (uint8_t *)sn.sn, sizeof(sn)); memset(&verify_key,0,sizeof(verify_key)); verify_key.slot=KEY_ID_0; memcpy(verify_key.key, secret_key, sizeof(verify_key.key)); if (ioctl(file, ATSHA204A_CMD_VERIFY_KEY, &verify_key) < 0) { printf("ATSHA204A_CMD_MAC failed \n"); rc = 1; goto close_exit; } printf("ATSHA204A_CMD_VERIFY_KEY OK \n"); close_exit: close(file); return rc; } 这个芯片在i2C总线上的地址 是多少呀 — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***>

[LongZoz]

您好： &nbsp; &nbsp;我使用i2c tool命令行去查看i2c设备节点，对应的64没有被加载为UU,另外再去尝试直接使用命令行去读写都是失败的，这个原因是因为驱动没有正确被加载，所以使用不了这个设备吗？

…

------------------&nbsp;原始邮件&nbsp;------------------ 发件人: "Tvirus/atsha204a_driver" ***@***.***&gt;; 发送时间:&nbsp;2023年10月24日(星期二) 中午11:15 ***@***.***&gt;; ***@***.******@***.***&gt;; 主题:&nbsp;Re: [Tvirus/atsha204a_driver] 可以用的，应用层测试代码 (Issue #3) reg = <0x64&gt;; ***@***.*** 发件人： 张文龙 发送时间： 2023-09-25 10:56 收件人： Tvirus/atsha204a_driver 抄送： liweifoic; Author 主题： Re: [Tvirus/atsha204a_driver] 可以用的，应用层测试代码 (Issue #3) #include <string.h&gt; #include <stdio.h&gt; #include <stdlib.h&gt; #include <unistd.h&gt; #include <linux/i2c-dev.h&gt; #include <sys/ioctl.h&gt; #include <sys/types.h&gt; #include <sys/stat.h&gt; #include <fcntl.h&gt; #include <stdint.h&gt; #include "atsha204a_ioctl.h" const char *filename = "/dev/atsha204a"; const uint8_t secret_key[32] = { 0x33, 0x77, 0x16, 0x22, 0x82, 0xde, 0xad, 0x8c, 0xe9, 0x14, 0x21, 0x87, 0xf5, 0x34, 0x6e, 0x55, 0xee, 0x42, 0x55, 0xd5, 0xff, 0x33, 0x3a, 0x40, 0x9a, 0xdf, 0xdb, 0x83, 0x55, 0x1b, 0xe2, 0x66 }; void print_hex(const char *str, const uint8_t *hex, const int len) { int i; printf("%s : ", str); for (i = 0; i < len; i++) { if (i &gt; 0) { printf(" "); } printf("0x%02X", hex[i]); } printf("\n"); printf("\r\n"); } uint8_t serial_number[9] = { 0 }; int main() { int file; int rc = 0; static atsha204a_cmd_sn_t sn; static atsha204a_cmd_mac_t mac; static atsha204a_cmd_otp_t otp; static uint16_t random_number = 0; static atsha204a_cmd_nonce_t nonce; static atsha204a_cmd_verify_key_t verify_key; if ((file = open(filename, O_RDWR)) < 0) { /* ERROR HANDLING: you can check errno to see what went wrong */ perror("Failed to open the i2c bus"); exit(1); } if (ioctl(file, ATSHA204A_CMD_READ_SN, &amp;sn) < 0) { printf("ATSHA204A_CMD_READ_SN failed \n"); rc = 1; goto close_exit; } print_hex("ATSHA204A_CMD_READ_SN Received data", (uint8_t *)sn.sn, sizeof(sn)); memset(&amp;verify_key,0,sizeof(verify_key)); verify_key.slot=KEY_ID_0; memcpy(verify_key.key, secret_key, sizeof(verify_key.key)); if (ioctl(file, ATSHA204A_CMD_VERIFY_KEY, &amp;verify_key) < 0) { printf("ATSHA204A_CMD_MAC failed \n"); rc = 1; goto close_exit; } printf("ATSHA204A_CMD_VERIFY_KEY OK \n"); close_exit: close(file); return rc; } 这个芯片在i2C总线上的地址 是多少呀 — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***&gt; — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you commented.Message ID: ***@***.***&gt;