Diff: ADT7310.cpp

Revision:

0:63996d24973b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADT7310.cpp	Mon Nov 07 15:46:14 2016 +0000
@@ -0,0 +1,75 @@
+#include "ADT7310.h"
+
+
+ADT7310::ADT7310(PinName CS, PinName MOSI, PinName MISO, PinName SCK) :/* miso(MISO),*/ adt7310(MOSI, MISO, SCK), cs(CS)
+{
+    cs = true;
+    adt7310.format(8, SPI_MODE);
+}
+
+void ADT7310::reset()
+{
+    cs = false;
+    adt7310.write(0xff);
+    adt7310.write(0xff);
+    adt7310.write(0xff);
+    adt7310.write(0xff);
+    cs = true;
+}
+uint8_t ADT7310::read_status()
+{
+    uint8_t spi_data[2] = {ADT7310_READ | (ADT7310_STATUS << 3), ADT7310_DUMMY};
+    spi_read(spi_data, 2);
+    return spi_data[1];
+}
+
+void ADT7310::start_single_conversion()
+{
+    uint8_t spi_data[2] = {ADT7310_READ | (ADT7310_CONFIG << 3), ADT7310_DUMMY};
+    spi_read(spi_data, 2);
+    spi_data[0] = ADT7310_WRITE | (ADT7310_CONFIG << 3);
+    spi_data[1] = (spi_data[1] & (~(0x60))) |  (0x20); // Oneshot conversion
+    spi_write(spi_data, 2);
+}
+void ADT7310::write_config(uint8_t data)
+{
+    uint8_t spi_data[2] = {ADT7310_WRITE | (ADT7310_CONFIG << 3), data};
+    spi_write(spi_data, 2);
+}
+
+uint8_t ADT7310::read_config()
+{
+    uint8_t spi_data[2] = {ADT7310_READ | (ADT7310_CONFIG << 3), ADT7310_DUMMY};
+    spi_read(spi_data, 2);
+    return spi_data[1];
+}
+uint16_t ADT7310::read_temp()
+{
+    uint8_t spi_data[3] = {ADT7310_READ | (ADT7310_TEMP << 3), ADT7310_DUMMY, ADT7310_DUMMY };
+    spi_read(spi_data, 3);
+    return ((static_cast<uint16_t>(spi_data[1]) << 8) | spi_data[2]);
+}
+void ADT7310::write_temp_setpoint(uint8_t setpoint, uint16_t data)
+{
+    uint8_t spi_data[3] = {ADT7310_WRITE | (setpoint << 3), ((data & 0xff00) >> 8), data & 0xff };
+    spi_write(spi_data, 3);
+}
+
+void ADT7310::spi_write(uint8_t *data, uint8_t size)
+{
+    cs = false;
+    uint8_t i;
+    for(i = 0; i < size; i++)
+        adt7310.write(data[i]);
+    cs = true;
+
+}
+void ADT7310::spi_read(uint8_t *data, uint8_t size)
+{
+    cs = false;
+    uint8_t i;
+    for(i = 0; i < size; i++)
+        data[i] = adt7310.write(data[i]);
+
+    cs = true;
+}