the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

SDBlockDevice_GR_PEACH/SDBlockDevice_GR_PEACH.h@170:54ff26da7eb6, 2017-07-04 (annotated)

Committer:
thedo
Date:
Tue Jul 04 06:23:13 2017 +0000
Revision:
170:54ff26da7eb6
Parent:
166:3a9487d57a5c 
project opencv 3.1 on GR PEACH board, no use SD card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thedo 166:3a9487d57a5c 1 #ifndef MBED_SDFILESYSTEM_GR_PEACH_H
thedo 166:3a9487d57a5c 2 #define MBED_SDFILESYSTEM_GR_PEACH_H
thedo 166:3a9487d57a5c 3
thedo 166:3a9487d57a5c 4 #include "SDBlockDevice.h"
thedo 166:3a9487d57a5c 5
thedo 166:3a9487d57a5c 6 /**
thedo 166:3a9487d57a5c 7 * A class to communicate a SD
thedo 166:3a9487d57a5c 8 */
thedo 166:3a9487d57a5c 9 class SDBlockDevice_GR_PEACH : public SDBlockDevice {
thedo 166:3a9487d57a5c 10 public:
thedo 166:3a9487d57a5c 11
thedo 166:3a9487d57a5c 12 /**
thedo 166:3a9487d57a5c 13 * Constructor
thedo 166:3a9487d57a5c 14 *
thedo 166:3a9487d57a5c 15 * @param rootdir mount name
thedo 166:3a9487d57a5c 16 */
thedo 166:3a9487d57a5c 17 SDBlockDevice_GR_PEACH() : SDBlockDevice(P8_5, P8_6, P8_3, P8_4), _sd_cd(P7_8), _connect(false) {
thedo 166:3a9487d57a5c 18 // Set SPI clock rate to 20MHz for data transfer
thedo 166:3a9487d57a5c 19 _transfer_sck = 20000000;
thedo 166:3a9487d57a5c 20 }
thedo 166:3a9487d57a5c 21
thedo 166:3a9487d57a5c 22 /**
thedo 166:3a9487d57a5c 23 * Check if a SD is connected
thedo 166:3a9487d57a5c 24 *
thedo 166:3a9487d57a5c 25 * @return true if a SD is connected
thedo 166:3a9487d57a5c 26 */
thedo 166:3a9487d57a5c 27 bool connected() {
thedo 166:3a9487d57a5c 28 if (_sd_cd.read() != 0) {
thedo 166:3a9487d57a5c 29 _connect = false;
thedo 166:3a9487d57a5c 30 }
thedo 166:3a9487d57a5c 31 return _connect;
thedo 166:3a9487d57a5c 32 }
thedo 166:3a9487d57a5c 33
thedo 166:3a9487d57a5c 34 /**
thedo 166:3a9487d57a5c 35 * Try to connect to a SD
thedo 166:3a9487d57a5c 36 *
thedo 166:3a9487d57a5c 37 * @return true if connection was successful
thedo 166:3a9487d57a5c 38 */
thedo 166:3a9487d57a5c 39 bool connect() {
thedo 166:3a9487d57a5c 40 if (_sd_cd.read() == 0) {
thedo 166:3a9487d57a5c 41 _connect = true;
thedo 166:3a9487d57a5c 42 } else {
thedo 166:3a9487d57a5c 43 _connect = false;
thedo 166:3a9487d57a5c 44 }
thedo 166:3a9487d57a5c 45 return _connect;
thedo 166:3a9487d57a5c 46 }
thedo 166:3a9487d57a5c 47
thedo 166:3a9487d57a5c 48
thedo 166:3a9487d57a5c 49 private:
thedo 166:3a9487d57a5c 50 DigitalIn _sd_cd;
thedo 166:3a9487d57a5c 51 bool _connect;
thedo 166:3a9487d57a5c 52 };
thedo 166:3a9487d57a5c 53
thedo 166:3a9487d57a5c 54 #endif