Seeed / Grove_Node

The firmware of the Grove Node

Dependencies:   BLE_API color_pixels mbed-src-nrf51822 nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

udriver/analog_sensor.cpp@11:c0885b74a63a, 2015-06-04 (annotated)

Committer:
yihui
Date:
Thu Jun 04 12:39:32 2015 +0000
Revision:
11:c0885b74a63a
Parent:
10:f34ff4e47741 
fixed direct control bug

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 10:f34ff4e47741 1
yihui 10:f34ff4e47741 2 #include "udriver.h"
yihui 10:f34ff4e47741 3 #include "mbed.h"
yihui 10:f34ff4e47741 4
yihui 10:f34ff4e47741 5 int analog_sensor_init(void *obj, void *params)
yihui 10:f34ff4e47741 6 {
yihui 10:f34ff4e47741 7 int pin = *(int *)params;
yihui 10:f34ff4e47741 8 AnalogIn *probe = new AnalogIn((PinName)pin);
yihui 10:f34ff4e47741 9 *((AnalogIn **)obj) = probe;
yihui 10:f34ff4e47741 10
yihui 10:f34ff4e47741 11 return 0;
yihui 10:f34ff4e47741 12 }
yihui 10:f34ff4e47741 13
yihui 10:f34ff4e47741 14
yihui 10:f34ff4e47741 15 int analog_sensor_read(void *obj, void *data)
yihui 10:f34ff4e47741 16 {
yihui 10:f34ff4e47741 17 AnalogIn *probe = *(AnalogIn **)obj;
yihui 10:f34ff4e47741 18
yihui 10:f34ff4e47741 19 *(float *)data = probe->read() * 100;
yihui 10:f34ff4e47741 20
yihui 10:f34ff4e47741 21 return 0;
yihui 10:f34ff4e47741 22 }
yihui 10:f34ff4e47741 23
yihui 10:f34ff4e47741 24 int analog_sensor_write(void *obj, void *data)
yihui 10:f34ff4e47741 25 {
yihui 10:f34ff4e47741 26 return 0;
yihui 10:f34ff4e47741 27 }
yihui 10:f34ff4e47741 28
yihui 10:f34ff4e47741 29 int analog_sensor_fini(void *obj)
yihui 10:f34ff4e47741 30 {
yihui 10:f34ff4e47741 31 AnalogIn *ptr = *(AnalogIn **)obj;
yihui 10:f34ff4e47741 32 delete ptr;
yihui 10:f34ff4e47741 33
yihui 10:f34ff4e47741 34 return 0;
yihui 10:f34ff4e47741 35 }
yihui 10:f34ff4e47741 36
yihui 10:f34ff4e47741 37 driver_t analog_sensor_driver =
yihui 10:f34ff4e47741 38 {
yihui 10:f34ff4e47741 39 .init = analog_sensor_init,
yihui 10:f34ff4e47741 40 .read = analog_sensor_read,
yihui 10:f34ff4e47741 41 .write = analog_sensor_write,
yihui 10:f34ff4e47741 42 .fini = analog_sensor_fini,
yihui 10:f34ff4e47741 43
yihui 10:f34ff4e47741 44 .d = 1,
yihui 10:f34ff4e47741 45 };