Diff: source/rpr0521_driver.cpp

Revision:

0:0bcc203c5c75

Child:

1:145f11782373

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/rpr0521_driver.cpp	Mon Sep 12 09:53:15 2016 +0000
@@ -0,0 +1,94 @@
+/*   Copyright 2016 Rohm Semiconductor
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+#include "../../rohm-sensor-hal/rohm-sensor-hal/rohm_hal.h"         //types, DEBUG_print*
+#include "../../rohm-sensor-hal/rohm-sensor-hal/I2CCommon.h"        //read_register, write_register, change_bits
+
+#include "../rohm-rpr0521/rpr0521.h"      //RPR0521_* register definitions
+#include "../rohm-rpr0521/rpr0521_driver.h"
+#define SAD 0x38
+
+
+/* rpr0521 driver*/
+
+uint8_t rpr0521_readId(){
+  uint8_t id;
+  uint8_t read_bytes;
+
+  read_bytes = read_register(SAD, RPR0521_MANUFACT, &id, 1);
+  if ( read_bytes > 0 ){
+    DEBUG_printf("Manufacturer: %u\n\r", id);
+    return(id);
+    }
+  else{
+    DEBUG_print("Manufacturer read failed.\n\r");
+    return 255;
+    }
+}
+
+void rpr0521_wait_until_found(){
+  uint8_t id;
+
+  id = rpr0521_readId();
+  while (id == 255){
+    wait(100);
+    id = rpr0521_readId();
+    }
+  return;
+  }
+
+void rpr0521_soft_reset(){
+    write_register(SAD, RPR0521_SYSTEM_CONTROL, RPR0521_SYSTEM_CONTROL_SW_RESET_START);
+}
+
+void rpr0521_clear_interrupt(){
+    write_register(SAD, RPR0521_SYSTEM_CONTROL, RPR0521_SYSTEM_CONTROL_INT_PIN_HI_Z);
+}
+
+void rpr0521_initial_setup(){
+    write_register(SAD, RPR0521_ALS_PS_CONTROL,
+        (RPR0521_ALS_PS_CONTROL_ALS_DATA0_GAIN_X1 | 
+         RPR0521_ALS_PS_CONTROL_ALS_DATA1_GAIN_X1 | 
+         RPR0521_ALS_PS_CONTROL_LED_CURRENT_25MA)
+        );
+    write_register(SAD, RPR0521_PS_CONTROL,
+        (RPR0521_PS_CONTROL_PS_GAIN_X1 |
+         RPR0521_PS_CONTROL_PERSISTENCE_DRDY )
+        );
+    write_register(SAD, RPR0521_MODE_CONTROL,
+        (RPR0521_MODE_CONTROL_ALS_EN_TRUE | RPR0521_MODE_CONTROL_PS_EN_TRUE |
+         RPR0521_MODE_CONTROL_PS_PULSE_200US | RPR0521_MODE_CONTROL_PS_OPERATING_MODE_NORMAL |
+         RPR0521_MODE_CONTROL_MEASUREMENT_TIME_100MS_100MS)
+        );
+}
+
+/* input param: data16, pointer to 3*16bit memory 
+   return: error, true/false */
+bool rpr0521_read_data(uint16_t* data16){
+    uint8_t data[6];
+    uint8_t read_bytes;
+
+    read_bytes = read_register(SAD, RPR0521_PS_DATA_LSBS, &data[0], 6);
+    if (read_bytes == 6){
+        data16[0] = (data[0]) | (data[1] << 8); //ps_data
+        data16[1] = (data[2]) | (data[3] << 8); //als_data0
+        data16[2] = (data[4]) | (data[5] << 8); //als_data1
+        return false;
+        }
+    else{
+        DEBUG_printf("Read error. Read %d bytes\n\r", read_bytes);
+        return true;
+        }
+   
+    }