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Update SN50v3-LB v1.3
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---v1.3
1.Added Mode 11 TMP117 temperature sensor.
2.Fixed the issue that some DS18B20 cannot be recognized.

---v1.2

1.Add work mode 10 of PWM input capture and output mode.
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@engineer-lin
engineer-lin committed Jun 4, 2024
1 parent de4b102 commit de909e9
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Showing 16 changed files with 1,161 additions and 47 deletions.
388 changes: 388 additions & 0 deletions Drivers/sensor/TMP117_I2C.c
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/**
******************************************************************************
* @file
* @author Dragino
* @version
* @date
* @brief Main program body
******************************************************************************
* @attention
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/

/* Includes ------------------------------------------------------------------*/
#include <stdio.h>
#include "tremo_rcc.h"
#include "tremo_gpio.h"
#include "TMP117_I2C.h"
#include "tremo_delay.h"

#define GPIO_PORT_TMP117_I2C GPIOA
#define TMP117_I2C_SCL_PIN GPIO_PIN_14
#define TMP117_I2C_SDA_PIN GPIO_PIN_15

#define TMP117_I2C_SCL_1 gpio_write(GPIO_PORT_TMP117_I2C, TMP117_I2C_SCL_PIN, 1)
#define TMP117_I2C_SCL_0 gpio_write(GPIO_PORT_TMP117_I2C, TMP117_I2C_SCL_PIN, 0)

#define TMP117_I2C_SDA_1 gpio_write(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN, 1) /* SDA = 1 */
#define TMP117_I2C_SDA_0 gpio_write(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN, 0) /* SDA = 0 */

#define TMP117_I2C_SDA_READ() gpio_read(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN)

extern bool tmp117_connect_status;

void TMP117_I2C_GPIO_MODE_Config(void)
{
rcc_enable_peripheral_clk(RCC_PERIPHERAL_GPIOC, true);

gpio_init(GPIO_PORT_TMP117_I2C, TMP117_I2C_SCL_PIN, GPIO_MODE_OUTPUT_OD_HIZ);
gpio_init(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN, GPIO_MODE_OUTPUT_OD_HIZ);
}

uint8_t TMP117_I2C_Write_Byte(uint8_t addr,uint8_t data)
{
TMP117_I2C_Start();
TMP117_I2C_SendByte((addr<<1)|0);
if(TMP117_I2C_WaitAck())
{
TMP117_I2C_Stop();
return 1;
}

TMP117_I2C_SendByte(data);
if(TMP117_I2C_WaitAck())
{
TMP117_I2C_Stop();
return 1;
}
TMP117_I2C_Stop();
return 0;
}

uint8_t TMP117_I2C_Read_Byte(uint8_t addr)
{
uint8_t res;

TMP117_I2C_Start();
TMP117_I2C_SendByte((addr<<1)|1);
TMP117_I2C_WaitAck();
res=TMP117_I2C_ReadByte(0);
TMP117_I2C_Stop();
return res;
}

uint8_t TMP117_I2C_Write_Len(uint8_t addr,uint8_t reg,uint8_t len,uint8_t *buf)
{
uint8_t i;
TMP117_I2C_Start();
TMP117_I2C_SendByte((addr<<1)|0);
if(TMP117_I2C_WaitAck())
{
TMP117_I2C_Stop();
return 1;
}
TMP117_I2C_SendByte(reg);
TMP117_I2C_WaitAck();
for(i=0;i<len;i++)
{
TMP117_I2C_SendByte(buf[i]);
if(TMP117_I2C_WaitAck())
{
TMP117_I2C_Stop();
return 1;
}
}
TMP117_I2C_Stop();
return 0;
}

uint8_t TMP117_I2C_Read_Len(uint8_t addr,uint8_t reg,uint8_t len,uint8_t *buf)
{
TMP117_I2C_Start();
TMP117_I2C_SendByte((addr<<1)|0);
if(TMP117_I2C_WaitAck())
{
TMP117_I2C_Stop();
return 1;
}

TMP117_I2C_SendByte(reg);
TMP117_I2C_WaitAck();

TMP117_I2C_Start();
TMP117_I2C_SendByte((addr<<1)|1);
TMP117_I2C_WaitAck();

while(len)
{
if(len==1)*buf=TMP117_I2C_ReadByte(0);
else *buf=TMP117_I2C_ReadByte(1);
len--;
buf++;
}
TMP117_I2C_Stop();
return 0;
}

void TMP117_I2C_SDA_IN(void)
{
rcc_enable_peripheral_clk(RCC_PERIPHERAL_GPIOA, true);

gpio_init(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN, GPIO_MODE_INPUT_FLOATING);
}

void TMP117_I2C_SDA_OUT(void)
{
rcc_enable_peripheral_clk(RCC_PERIPHERAL_GPIOA, true);

gpio_init(GPIO_PORT_TMP117_I2C, TMP117_I2C_SDA_PIN, GPIO_MODE_OUTPUT_OD_HIZ);
}

void TMP117_I2C_Delay(void)
{
volatile int i = 5;
while (i)

i--;
}
void TMP117_I2C_Start(void)
{
TMP117_I2C_SDA_OUT();
TMP117_I2C_SDA_1;
TMP117_I2C_SCL_1;
TMP117_I2C_Delay();
TMP117_I2C_SDA_0;
TMP117_I2C_Delay();
TMP117_I2C_SCL_0;
TMP117_I2C_Delay();
}
void TMP117_I2C_Stop(void)
{
TMP117_I2C_SDA_OUT();
TMP117_I2C_SCL_0;
TMP117_I2C_SDA_0;
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;
TMP117_I2C_SDA_1;
TMP117_I2C_Delay();
}
uint8_t TMP117_I2C_WaitAck(void)
{
uint8_t ucErrTime=0;
TMP117_I2C_SDA_IN();
TMP117_I2C_SDA_1;
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;
TMP117_I2C_Delay();
while (TMP117_I2C_SDA_READ())
{
ucErrTime++;
if(ucErrTime>250)
{
TMP117_I2C_Stop();
return 1;
}
}

TMP117_I2C_SCL_0;
TMP117_I2C_Delay();
return 0;
}
void TMP117_I2C_SendByte(uint8_t Byte)
{
uint8_t i;
TMP117_I2C_SDA_OUT();
TMP117_I2C_SCL_0;
for (i = 0; i < 8; i++)
{
if (Byte & 0x80)
{
TMP117_I2C_SDA_1;
}
else
{
TMP117_I2C_SDA_0;
}
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;
TMP117_I2C_Delay();
TMP117_I2C_Delay();
TMP117_I2C_SCL_0;
// TMP117_I2C_SDA_1;
Byte <<= 1;
TMP117_I2C_Delay();
}
}
uint8_t TMP117_I2C_ReadByte(unsigned char ack)
{
uint8_t i;
uint8_t value;
TMP117_I2C_SDA_IN();
value = 0;
for (i = 0; i < 8; i++)
{
value <<= 1;
TMP117_I2C_SCL_0;
TMP117_I2C_Delay();
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;

if (TMP117_I2C_SDA_READ())
{
value++;
}
TMP117_I2C_Delay();
}

if (!ack)
{
TMP117_I2C_NAck();
}
else
{
TMP117_I2C_Ack();
}

return value;
}

void TMP117_I2C_Ack(void)
{
TMP117_I2C_SCL_0;
TMP117_I2C_SDA_OUT();
TMP117_I2C_SDA_0;
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;
TMP117_I2C_Delay();
TMP117_I2C_SCL_0;
}

void TMP117_I2C_NAck(void)
{
TMP117_I2C_SCL_0;
TMP117_I2C_SDA_OUT();
TMP117_I2C_SDA_1;
TMP117_I2C_Delay();
TMP117_I2C_SCL_1;
TMP117_I2C_Delay();
TMP117_I2C_SCL_0;
}

uint16_t TMP117_Set_Config(void)
{
uint8_t data[2] = {0x0C, 0x20};
uint8_t read_status=0,check_number=0;

TMP117_I2C_GPIO_MODE_Config();

do
{
read_status=1;
check_number++;
if(TMP117_I2C_Write_Len(0x48,0x01,2,data)==1)
{
read_status=0;

delay_ms(20);
}
}while(read_status==0&&check_number<4);

return 0;
}

float get_tmp117_temp(void)
{
short AD_code;
float current_temp;
uint8_t data[2] = {0x0C, 0x20};
uint8_t read_status=0,check_number=0;

do
{
read_status=1;
check_number++;
if(TMP117_I2C_Write_Len(0x48,0x01,2,data)==1)
{
read_status=0;

delay_ms(20);
}
}while(read_status==0&&check_number<4);

if(read_status==1)
{
delay_ms(130);
check_number=0;
do
{
read_status=1;
check_number++;
if(TMP117_I2C_Read_Len(0x48,0x00,2,data)==1)
{
read_status=0;

delay_ms(20);
}
}while(read_status==0&&check_number<4);
}

if(read_status==1)
{
tmp117_connect_status=1;
AD_code=(data[0]<<8)|data[1];

if(AD_code <0)
{
current_temp=-(~AD_code+1)*0.0078125;
}
else
current_temp=AD_code*0.0078125;

if(current_temp>150)
{
tmp117_connect_status=0;
current_temp=150;
}
else if(current_temp<-55)
{
tmp117_connect_status=0;
current_temp=-55;
}
}
else
{
current_temp=327.67;
tmp117_connect_status=0;
}

return current_temp;
}

void TMP117_soft_reset(void)
{
uint8_t data[2] = {0x0C, 0x22};
uint8_t read_status=0,check_number=0;

do
{
read_status=1;
check_number++;
if(TMP117_I2C_Write_Len(0x48,0x01,2,data)==1)
{
read_status=0;

delay_ms(20);
}
}while(read_status==0&&check_number<4);

delay_ms(20);
}

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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