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Fix edu-arm32 i2c from Tu_Yuyang 

it is OK
This commit is contained in:
IACU 2023-08-09 17:36:02 +08:00
parent 8becc52a90 0e82fac640
commit d1a198a4bc
2 changed files with 54 additions and 23 deletions
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67
APP_Framework/Applications/app_test/test_i2c.c
View File

@ -24,18 +24,16 @@
#define I2C_SLAVE_ADDRESS 0x0012U
void TestI2C(void)
int OpenIic(void)
{
// config IIC pin(SCL:34.SDA:35) in menuconfig
int iic_fd = PrivOpen(I2C_DEV_DRIVER, O_RDWR);
if (iic_fd < 0)
{
printf("open iic_fd fd error:%d\n", iic_fd);
return;
printf("[TestI2C] Open iic_fd fd error: %d\n", iic_fd);
return -ERROR;
}
printf("IIC open successful!\n");
printf("[TestI2C] IIC open successful!\n");
// init iic
uint16 iic_address = I2C_SLAVE_ADDRESS;
struct PrivIoctlCfg ioctl_cfg;
@ -44,28 +42,55 @@ void TestI2C(void)
if (0 != PrivIoctl(iic_fd, OPE_INT, &ioctl_cfg))
{
printf("ioctl iic fd error %d\n", iic_fd);
printf("[TestI2C] Ioctl iic fd error %d\n", iic_fd);
PrivClose(iic_fd);
return;
return -ERROR;
}
printf("IIC configure successful!\n");
// I2C read and write
char tmp_buff[100];
while (1)
{
PrivTaskDelay(1000);
PrivWrite(iic_fd, "Hello World!\n", sizeof("Hello World!\n"));
printf("msg send:%s\n", "Hello World!\n");
PrivTaskDelay(1000);
memset(tmp_buff, 0, sizeof(tmp_buff));
PrivRead(iic_fd, tmp_buff, sizeof(tmp_buff));
printf("msg recv:%s\n", tmp_buff);
return iic_fd;
}
static const int nr_transmit = 15;
void TestMasterI2c(void)
{
char recv_buff[13] = { 0 };
int iic_fd = open_iic();
if (iic_fd < 0) {
printf("[%s] Error open iic\n", __func__);
return;
}
for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
// wait if you like.
PrivTaskDelay(500);
memset(recv_buff, 0, sizeof(recv_buff));
PrivRead(iic_fd, recv_buff, sizeof(recv_buff));
printf("[%s] Msg recv: %s\n", __func__, recv_buff);
}
PrivClose(iic_fd);
return;
}
PRIV_SHELL_CMD_FUNCTION(TestI2C, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
void TestSlaveI2c(void)
{
char send_buff[] = "Hello, World";
int iic_fd = open_iic();
for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
// wait if you like.
PrivTaskDelay(500);
PrivWrite(iic_fd, send_buff, sizeof(send_buff));
printf("[%s] Msg send: %s\n", __func__, send_buff);
}
PrivClose(iic_fd);
}
PRIV_SHELL_CMD_FUNCTION(TestMasterI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
PRIV_SHELL_CMD_FUNCTION(TestSlaveI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
#endif

10
Ubiquitous/XiZi_IIoT/board/edu-arm32/third_party_driver/i2c/connect_i2c.c
View File

@ -117,6 +117,9 @@ static uint32 I2cDrvConfigure(void *drv, struct BusConfigureInfo *configure_info
static uint32 I2cMasterWriteData(struct I2cHardwareDevice *i2c_dev, struct I2cDataStandard *msg)
{
if (msg->len == 0) {
return EOK;
}
uint32 i32Ret;
I2C_Cmd(I2C_UNIT, ENABLE);
@ -171,6 +174,9 @@ static uint32 I2cMasterReadData(struct I2cHardwareDevice *i2c_dev, struct I2cDat
}
static uint32 I2cSlaveWriteData(struct I2cHardwareDevice *i2c_dev, struct I2cDataStandard *msg) {
if (msg->len == 0) {
return EOK;
}
uint32 i32Ret;
I2C_Cmd(I2C_UNIT, ENABLE);
@ -222,7 +228,7 @@ static uint32 I2cSlaveReadData(struct I2cHardwareDevice *i2c_dev, struct I2cData
if (RESET == I2C_GetStatus(I2C_UNIT, I2C_FLAG_TRA)) {
/* Slave receive data*/
i32Ret = I2C_ReceiveData(I2C_UNIT, msg->buf, msg->len, I2C_TIMEOUT);
KPrintf("Slave receive success!\r\n");
KPrintf("Slave receive success!\r\n");
if ((LL_OK == i32Ret) || (LL_ERR_TIMEOUT == i32Ret)) {
/* Wait stop condition */
@ -336,7 +342,7 @@ int HwI2cInit(void)
return ret;
}
//#define I2C_TEST
// #define I2C_TEST
#ifdef I2C_TEST
#define USER_KEY_PORT (GPIO_PORT_I)