Diff: MCP9808.h

Revision:

3:54515d036e93

Parent:

2:da266f1b2273

--- a/MCP9808.h	Thu Apr 25 10:39:40 2019 +0000
+++ b/MCP9808.h	Thu Apr 25 18:27:56 2019 +0000
@@ -22,7 +22,129 @@
 /**
     Example:
 @code
-[todo]
+#include "mbed.h"
+#include "MCP9808.h"
+
+MCP9808 myMCP9808 ( p28, p27, MCP9808::MCP9808_ADDRESS_0, 400000 );             // I2C_SDA | I2C_SCL
+Serial pc         ( USBTX, USBRX );                                             // tx, rx
+
+DigitalOut  myled   ( LED1 );
+Ticker      newAction;
+
+
+
+// @brief Constants.
+
+
+// @brief Variables.
+volatile uint32_t myState;                                                      // State that indicates when to perform a new sample
+
+
+
+// @brief   FUNCTION PROTOTYPES
+void    changeDATA     ( void );
+
+
+
+
+//@brief FUNCTION FOR APPLICATION MAIN ENTRY.
+int main()
+{
+    MCP9808::MCP9808_status_t aux;
+    MCP9808::MCP9808_config_reg_t  myMCP9808_Config;
+    MCP9808::MCP9808_data_t        myMCP9808_Data;
+
+    pc.baud ( 115200 );
+
+
+    myled   =   1;
+    wait(3);
+    myled   =   0;
+
+    // Shutdown the device, low-power mode enabled
+    aux  =   myMCP9808.MCP9808_GetCONFIG ( &myMCP9808_Config );
+
+    myMCP9808_Config.shdn  =   MCP9808::CONFIG_SHDN_SHUTDOWN;
+    aux  =   myMCP9808.MCP9808_SetCONFIG ( myMCP9808_Config );
+
+    // Get manufacturer ID
+    aux  =   myMCP9808.MCP9808_GetManufacturerID ( &myMCP9808_Data );
+
+    // Get device ID and device revision
+    aux  =   myMCP9808.MCP9808_GetDeviceID ( &myMCP9808_Data );
+
+    // Configure the device
+     //  - T_UPPER and T_LOWER limit hysteresis at 0C
+     //  - Continuous conversion mode
+     //  - T_CRIT unlocked
+     //  - Window lock unlocked
+     //  - Alert output control disabled
+     //  - Alert output select: Alert for T_UPPER, T_LOWER and T_CRIT
+     //  - Alert output polaruty: Active-low
+     //  - Alert output mode: Comparator output
+     //
+    myMCP9808_Config.t_hyst      =   MCP9808::CONFIG_T_HYST_0_C;
+    myMCP9808_Config.shdn        =   MCP9808::CONFIG_SHDN_CONTINUOUS_CONVERSION;
+    myMCP9808_Config.t_crit      =   MCP9808::CONFIG_CRIT_LOCK_UNLOCKED;
+    myMCP9808_Config.t_win_lock  =   MCP9808::CONFIG_WIN_LOCK_UNLOCKED;
+    myMCP9808_Config.alert_cnt   =   MCP9808::CONFIG_ALERT_CNT_DISABLED;
+    myMCP9808_Config.alert_sel   =   MCP9808::CONFIG_ALERT_SEL_TUPPER_TLOWER_TCRIT;
+    myMCP9808_Config.alert_pol   =   MCP9808::CONFIG_ALERT_POL_ACTIVE_LOW;
+    myMCP9808_Config.alert_mod   =   MCP9808::CONFIG_ALERT_MOD_COMPARATOR_OUTPUT;
+    aux  =   myMCP9808.MCP9808_SetCONFIG ( myMCP9808_Config );
+
+    // Set resolution: +0.0625C ( t_CON ~ 250ms )
+    myMCP9808_Data.resolution  =   MCP9808::RESOLUTION_0_0625_C;
+    aux  =   myMCP9808.MCP9808_SetResolution ( myMCP9808_Data );
+
+
+    myState  =   0UL;                                                           // Reset the variable
+    newAction.attach( &changeDATA, 1U );                                        // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+
+
+    // Let the callbacks take care of everything
+    while(1) {
+        sleep();
+
+        if ( myState == 1UL ) {
+            myled = 1U;
+
+            // Get ambient temperature
+            aux  =   myMCP9808.MCP9808_GetTA ( &myMCP9808_Data );
+
+            // Send data through the UART
+            pc.printf ( "T: %0.4f C\r\n", myMCP9808_Data.t_a );
+
+
+            // Reset the variables
+            myState  =   0UL;
+            myled    =   0U;
+        }
+    }
+}
+
+
+ // @brief       changeDATA ( void  )
+ //
+ // @details     It changes myState variable
+ //
+ // @param[in]    N/A
+ //
+ // @param[out]   N/A.
+ //
+ // @return       N/A.
+ //
+ //
+ // @author      Manuel Caballero
+ // @date        25/April/2019
+ // @version     25/April/2019   The ORIGIN
+ // @pre         N/A
+ // @warning     N/A.
+ //
+void changeDATA ( void )
+{
+    myState  =   1UL;
+}
 @endcode
 */