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This commit is contained in:
Antonio Lignan 2016-01-10 23:36:00 +01:00
parent d53a62187d
commit 48eb2a4fe2
2 changed files with 39 additions and 39 deletions
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76
platform/zoul/dev/sht25.c
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@ -163,14 +163,14 @@ value(int type)
}
if((type != SHT25_VAL_TEMP) && (type != SHT25_VAL_HUM) &&
(type != SHT25_VOLTAGE_ALARM)) {
(type != SHT25_VOLTAGE_ALARM)) {
PRINTF("SHT25: invalid value requested\n");
return SHT25_ERROR;
}
if(type == SHT25_VOLTAGE_ALARM) {
if(sht25_read_user_register() == SHT25_SUCCESS) {
return ((user_reg & SHT2x_LOW_VOLTAGE_MASK) >> SHT2x_LOW_VOLTAGE_SHIFT);
return (user_reg & SHT2x_LOW_VOLTAGE_MASK) >> SHT2x_LOW_VOLTAGE_SHIFT;
}
} else {
if(sht25_read(type, &val) == SHT25_SUCCESS) {
@ -186,52 +186,52 @@ configure(int type, int value)
uint8_t buf[2];
if((type != SHT25_ACTIVE) && (type != SHT25_SOFT_RESET) &&
(type != SHT25_RESOLUTION)) {
(type != SHT25_RESOLUTION)) {
PRINTF("SHT25: option not supported\n");
return SHT25_ERROR;
}
switch(type) {
case SHT25_ACTIVE:
if(value) {
i2c_init(I2C_SDA_PORT, I2C_SDA_PIN, I2C_SCL_PORT, I2C_SCL_PIN,
I2C_SCL_NORMAL_BUS_SPEED);
case SHT25_ACTIVE:
if(value) {
i2c_init(I2C_SDA_PORT, I2C_SDA_PIN, I2C_SCL_PORT, I2C_SCL_PIN,
I2C_SCL_NORMAL_BUS_SPEED);
/* Read the user config register */
if(sht25_read_user_register() == SHT25_SUCCESS) {
enabled = value;
return SHT25_SUCCESS;
}
}
case SHT25_SOFT_RESET:
buf[0] = SHT2X_SOFT_RESET;
if(sht25_write_reg(&buf[0], 1) != SHT25_SUCCESS) {
PRINTF("SHT25: failed to reset the sensor\n");
return SHT25_ERROR;
}
clock_delay_usec(SHT25_RESET_DELAY);
return SHT25_SUCCESS;
case SHT25_RESOLUTION:
if((value != SHT2X_RES_14T_12RH) && (value != SHT2X_RES_12T_08RH) &&
(value != SHT2X_RES_13T_10RH) && (value != SHT2X_RES_11T_11RH)) {
PRINTF("SHT25: invalid resolution value\n");
return SHT25_ERROR;
}
user_reg &= ~SHT2X_RES_11T_11RH;
user_reg |= value;
buf[0] = SHT2X_UREG_WRITE;
buf[1] = user_reg;
if(sht25_write_reg(buf, 2) == SHT25_SUCCESS) {
PRINTF("SHT25: new user register value 0x%02X\n", user_reg);
/* Read the user config register */
if(sht25_read_user_register() == SHT25_SUCCESS) {
enabled = value;
return SHT25_SUCCESS;
}
}
default:
case SHT25_SOFT_RESET:
buf[0] = SHT2X_SOFT_RESET;
if(sht25_write_reg(&buf[0], 1) != SHT25_SUCCESS) {
PRINTF("SHT25: failed to reset the sensor\n");
return SHT25_ERROR;
}
clock_delay_usec(SHT25_RESET_DELAY);
return SHT25_SUCCESS;
case SHT25_RESOLUTION:
if((value != SHT2X_RES_14T_12RH) && (value != SHT2X_RES_12T_08RH) &&
(value != SHT2X_RES_13T_10RH) && (value != SHT2X_RES_11T_11RH)) {
PRINTF("SHT25: invalid resolution value\n");
return SHT25_ERROR;
}
user_reg &= ~SHT2X_RES_11T_11RH;
user_reg |= value;
buf[0] = SHT2X_UREG_WRITE;
buf[1] = user_reg;
if(sht25_write_reg(buf, 2) == SHT25_SUCCESS) {
PRINTF("SHT25: new user register value 0x%02X\n", user_reg);
return SHT25_SUCCESS;
}
default:
return SHT25_ERROR;
}
return SHT25_ERROR;