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ported max31865 driver

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redesign_interrupts
polymurph 3 years ago
parent 57e6671e88
commit f701987bd9
2 changed files with 18 additions and 61 deletions
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10
env/drivers/max31865/CMakeLists.txt vendored
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@ -1,5 +1,5 @@
#add_library(MAX31865 max31865.c)
#target_compile_options(MAX31865 PRIVATE ${C_FLAGS})
#target_compile_definitions(MAX31865 PRIVATE ${C_DEFS})
#target_include_directories(MAX31865 PUBLIC . ${PERIFERALS_DIR} ${CSL_INCLUDES})
#add_library(sub::max31865 ALIAS MAX31865)
add_library(MAX31865 max31865.c)
target_compile_options(MAX31865 PRIVATE ${C_FLAGS})
target_compile_definitions(MAX31865 PRIVATE ${C_DEFS})
target_include_directories(MAX31865 PUBLIC . ${PERIFERALS_DIR} ${CSL_INCLUDES})
add_library(sub::max31865 ALIAS MAX31865)

69
env/drivers/max31865/max31865.c vendored
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@ -90,8 +90,8 @@ void max31865_init(
device->lowFaultThreshold = lowerFaulThreshold << 1;
device->highFaultThreshold = higherFaultThreshold << 1;
// settup configurations + set a fault status
device->configReg = (uint8_t)(((wire_3) ? (1 << 4):(0) |
(filter_50Hz) ? (0x01) : (0));
device->configReg = (uint8_t)((logic_wire_3) ? (1 << 4):(0) |
(logic_filter_50Hz) ? (0x01) : (0));
// low and high fault threshold setup
temp_1 = device->highFaultThreshold;
@ -102,8 +102,8 @@ void max31865_init(
buff[3] = (uint8_t)(temp_1);
temp = device->configReg;
spi_writeReg(device->spiCH,REG_WRITE_CONFIGURATION, &temp);
spi_writeBlock(device->spiCH, REG_WRITE_HIGH_FAULT_TH_MSB, buff,4);
spiWriteReg(device->spiCH,REG_WRITE_CONFIGURATION, temp);
spiWriteBlock(device->spiCH, REG_WRITE_HIGH_FAULT_TH_MSB, buff,4);
}
uint16_t max31865_readADC(const max31865_t* device)
@ -112,20 +112,20 @@ uint16_t max31865_readADC(const max31865_t* device)
uint8_t temp = 0;
// turn on vbias
temp = device->configReg | D7;
spi_writeReg(device->spiCH, REG_WRITE_CONFIGURATION,&temp);
spiWriteReg(device->spiCH, REG_WRITE_CONFIGURATION,temp);
device->charged_time_delay();
// initiate 1-shot conversion + vbias
temp = device->configReg | 0xA0;
spi_writeReg(device->spiCH, REG_WRITE_CONFIGURATION,&temp);
spiWriteReg(device->spiCH, REG_WRITE_CONFIGURATION,temp);
device->conversion_timer_deay();
spi_AutoReadBlock(device->spiCH, REG_READ_RTD_MSB, &buff, 2);
spiAutoReadBlock(device->spiCH, REG_READ_RTD_MSB, buff, 2);
// turn off vbias
spi_writeReg(device->spiCH, REG_WRITE_CONFIGURATION, &(device->configReg));
spiWriteReg(device->spiCH, REG_WRITE_CONFIGURATION, device->configReg);
if(buff[1] & 0x01) {
@ -162,8 +162,7 @@ void max31865_setHighFaultThreshold(max31865_t* device,
threshold = threshold << 1;
buff[0] = (uint8_t)(threshold >> 8);
buff[1] = (uint8_t)(threshold);
_write_n_reg(device, REG_WRITE_HIGH_FAULT_TH_MSB, buff, 2);
spiWriteBlock(device->spiCH, REG_WRITE_HIGH_FAULT_TH_MSB,buff,2);
}
void max31865_setLowFaultThreshold(max31865_t* device,
@ -175,13 +174,13 @@ void max31865_setLowFaultThreshold(max31865_t* device,
threshold = threshold << 1;
buff[0] = (uint8_t)(threshold >> 8);
buff[1] = (uint8_t)(threshold);
_write_n_reg(device, REG_WRITE_LOW_FAULT_TH_MSB, buff, 2);
spiWriteBlock(device->spiCH, REG_WRITE_LOW_FAULT_TH_MSB,buff,2);
}
int8_t max31865_checkThresholdFault(const max31865_t* device)
{
uint8_t buff;
_read_n_reg(device,REG_READ_FAULT_STATUS, &buff, 1);
buff = spiReadReg(device->spiCH, REG_READ_FAULT_STATUS);
if(buff & max31865_err_RTD_HIGH_THRESHOLD) return 1;
if(buff & max31865_err_RTD_LOW_THRESHOLD) return -1;
@ -192,55 +191,13 @@ int8_t max31865_checkThresholdFault(const max31865_t* device)
uint8_t max31865_readFault(const max31865_t* device)
{
uint8_t buff;
_read_n_reg(device, REG_READ_FAULT_STATUS, &buff, 1);
return buff;
return spiReadReg(device->spiCH, REG_READ_FAULT_STATUS);
}
void max31865_clearFault(const max31865_t* device)
{
uint8_t temp = (device->configReg | D1);
_write_n_reg(device,REG_WRITE_CONFIGURATION, &temp, 1);
}
static void _write_n_reg(const max31865_t* device,
uint8_t start_reg_address,
const uint8_t* data,
uint8_t len)
{
uint8_t index = 0;
if(len == 0) return;
device->chipselect(true);
device->spi_trx(start_reg_address);
do{
device->spi_trx(data[index++]);
} while(index < len);
device->chipselect(false);
}
static void _read_n_reg(const max31865_t* device,
uint8_t start_reg_address,
uint8_t* data,
uint8_t len)
{
uint8_t index = 0;
if(len == 0) return;
device->chipselect(true);
device->spi_trx(start_reg_address);
do {
data[index++] = device->spi_trx(0xFF);
} while(index < len);
device->chipselect(false);
spiWriteReg(device->spiCH, REG_WRITE_CONFIGURATION, temp);
}
void _handle_threshold_fault(const max31865_t* device)

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