【TB作品】MSP430G2553单片机，MSP430 单片机读取 SHT30 传感器并显示数据
int main(void) {
unsigned char dis[10];
WDTCTL = WDTPW + WDTHOLD;
if (CALBC1_1MHZ == 0xFF) {
while (1);
}
DCOCTL = 0;
BCSCTL1 = CALBC1_1MHZ;
DCOCTL = CALDCO_1MHZ;
OLED_Init();
OLED_ShowString(0, 0, "SHT30:");
IIC_Init();
delay_ms(50);
while (1) {
IIC_Start();
IIC_Send_Byte(SHT30W);
while (IIC_Wait_Ack());
IIC_Send_Byte(0x22);
while (IIC_Wait_Ack());
IIC_Send_Byte(0x20);
while (IIC_Wait_Ack());
delay_ms(2);
IIC_Start();
IIC_Send_Byte(SHT30W);
while (IIC_Wait_Ack());
IIC_Send_Byte(0xe0);
while (IIC_Wait_Ack());
IIC_Send_Byte(0x00);
while (IIC_Wait_Ack());
temp = (BUFt[0] << 8) | BUFt[1];
humi = (BUFt[3] << 8) | BUFt[4];
temp = (u16) (175 * (float) temp / 65535 - 45);
humi = (u16) (100 * (float) humi / 65535);
delay_ms(10);
dis[0] = temp % 100 / 10 + '0';
dis[1] = temp % 10 + '0';
dis[2] = 'C';
dis[3] = 0;
OLED_ShowString(0, 2, dis);
dis[0] = humi % 100 / 10 + '0';
dis[1] = humi % 10 + '0';
dis[2] = '%';
dis[3] = 0;
OLED_ShowString(0, 4, dis);
delay_ms(200);
}
}