MDS_2 / Mbed 2 deprecated project_sensor

project_sensor

Dependencies:   project mbed nRF51822

spi_master.h@0:75d0e1bb5990, 2017-05-28 (annotated)

Committer:
didierlauwerys
Date:
Sun May 28 16:26:53 2017 +0000
Revision:
0:75d0e1bb5990
spi_ctrl

Who changed what in which revision?

UserRevisionLine numberNew contents of line
didierlauwerys 0:75d0e1bb5990 1 /*
didierlauwerys 0:75d0e1bb5990 2
didierlauwerys 0:75d0e1bb5990 3 Copyright (c) 2012-2014 RedBearLab
didierlauwerys 0:75d0e1bb5990 4
didierlauwerys 0:75d0e1bb5990 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
didierlauwerys 0:75d0e1bb5990 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
didierlauwerys 0:75d0e1bb5990 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
didierlauwerys 0:75d0e1bb5990 8 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
didierlauwerys 0:75d0e1bb5990 9 subject to the following conditions:
didierlauwerys 0:75d0e1bb5990 10 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
didierlauwerys 0:75d0e1bb5990 11
didierlauwerys 0:75d0e1bb5990 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
didierlauwerys 0:75d0e1bb5990 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
didierlauwerys 0:75d0e1bb5990 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
didierlauwerys 0:75d0e1bb5990 15 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
didierlauwerys 0:75d0e1bb5990 16 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
didierlauwerys 0:75d0e1bb5990 17
didierlauwerys 0:75d0e1bb5990 18 */
didierlauwerys 0:75d0e1bb5990 19
didierlauwerys 0:75d0e1bb5990 20 #ifndef _SPI_MASTER_H_
didierlauwerys 0:75d0e1bb5990 21 #define _SPI_MASTER_H_
didierlauwerys 0:75d0e1bb5990 22
didierlauwerys 0:75d0e1bb5990 23 #include "mbed.h"
didierlauwerys 0:75d0e1bb5990 24
didierlauwerys 0:75d0e1bb5990 25 #define SPI_FREQUENCY_125K 0x02000000UL
didierlauwerys 0:75d0e1bb5990 26 #define SPI_FREQUENCY_250K 0x04000000UL
didierlauwerys 0:75d0e1bb5990 27 #define SPI_FREQUENCY_500K 0x08000000UL
didierlauwerys 0:75d0e1bb5990 28 #define SPI_FREQUENCY_1M 0x10000000UL
didierlauwerys 0:75d0e1bb5990 29 #define SPI_FREQUENCY_2M 0x20000000UL
didierlauwerys 0:75d0e1bb5990 30 #define SPI_FREQUENCY_4M 0x40000000UL
didierlauwerys 0:75d0e1bb5990 31 #define SPI_FREQUENCY_8M 0x80000000UL
didierlauwerys 0:75d0e1bb5990 32
didierlauwerys 0:75d0e1bb5990 33 #define SPI_125K 0
didierlauwerys 0:75d0e1bb5990 34 #define SPI_250K 1
didierlauwerys 0:75d0e1bb5990 35 #define SPI_500K 2
didierlauwerys 0:75d0e1bb5990 36 #define SPI_1M 3
didierlauwerys 0:75d0e1bb5990 37 #define SPI_2M 4
didierlauwerys 0:75d0e1bb5990 38 #define SPI_4M 5
didierlauwerys 0:75d0e1bb5990 39 #define SPI_8M 6
didierlauwerys 0:75d0e1bb5990 40
didierlauwerys 0:75d0e1bb5990 41 #define SPI_MODE0 0
didierlauwerys 0:75d0e1bb5990 42 #define SPI_MODE1 1
didierlauwerys 0:75d0e1bb5990 43 #define SPI_MODE2 2
didierlauwerys 0:75d0e1bb5990 44 #define SPI_MODE3 3
didierlauwerys 0:75d0e1bb5990 45
didierlauwerys 0:75d0e1bb5990 46 #define CS P0_28 //chipselect
didierlauwerys 0:75d0e1bb5990 47 #define MOSI P0_9 //Master Out Slave In
didierlauwerys 0:75d0e1bb5990 48 #define MISO P0_11 //Master In Slave Out
didierlauwerys 0:75d0e1bb5990 49 #define SCK P0_8
didierlauwerys 0:75d0e1bb5990 50
didierlauwerys 0:75d0e1bb5990 51 typedef enum{
didierlauwerys 0:75d0e1bb5990 52
didierlauwerys 0:75d0e1bb5990 53 MSBFIRST = 0,
didierlauwerys 0:75d0e1bb5990 54 LSBFIRST = 1
didierlauwerys 0:75d0e1bb5990 55
didierlauwerys 0:75d0e1bb5990 56 }BitOrder;
didierlauwerys 0:75d0e1bb5990 57
didierlauwerys 0:75d0e1bb5990 58 class SPIClass
didierlauwerys 0:75d0e1bb5990 59 {
didierlauwerys 0:75d0e1bb5990 60 public:
didierlauwerys 0:75d0e1bb5990 61 SPIClass(NRF_SPI_Type *_spi);
didierlauwerys 0:75d0e1bb5990 62
didierlauwerys 0:75d0e1bb5990 63 void begin();
didierlauwerys 0:75d0e1bb5990 64 void begin(uint32_t sck, uint32_t mosi, uint32_t miso);
didierlauwerys 0:75d0e1bb5990 65 uint8_t transfer(uint8_t data);
didierlauwerys 0:75d0e1bb5990 66 void endTransfer();
didierlauwerys 0:75d0e1bb5990 67
didierlauwerys 0:75d0e1bb5990 68 void setSPIMode( uint8_t mode );
didierlauwerys 0:75d0e1bb5990 69 void setFrequency(uint8_t speed );
didierlauwerys 0:75d0e1bb5990 70 void setBitORDER( BitOrder bit);
didierlauwerys 0:75d0e1bb5990 71 void setCPHA( bool trailing);
didierlauwerys 0:75d0e1bb5990 72 void setCPOL( bool active_low);
didierlauwerys 0:75d0e1bb5990 73
didierlauwerys 0:75d0e1bb5990 74
didierlauwerys 0:75d0e1bb5990 75 private:
didierlauwerys 0:75d0e1bb5990 76 NRF_SPI_Type *spi;
didierlauwerys 0:75d0e1bb5990 77
didierlauwerys 0:75d0e1bb5990 78 uint32_t SCK_Pin;
didierlauwerys 0:75d0e1bb5990 79 uint32_t MOSI_Pin;
didierlauwerys 0:75d0e1bb5990 80 uint32_t MISO_Pin;
didierlauwerys 0:75d0e1bb5990 81
didierlauwerys 0:75d0e1bb5990 82 };
didierlauwerys 0:75d0e1bb5990 83
didierlauwerys 0:75d0e1bb5990 84 #endif