kato shunsuke / SDHandler

change for use

SPIRawHandler.cpp@1:b138ec359bfe, 2021-12-16 (annotated)

Committer:
katoshunsuke
Date:
Thu Dec 16 15:53:27 2021 +0000
Revision:
1:b138ec359bfe
Parent:
0:e882606c8174 
change for use;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dank 0:e882606c8174 1 #include "SPIRawHandler.h"
dank 0:e882606c8174 2
dank 0:e882606c8174 3 #include "mbed.h"
dank 0:e882606c8174 4
dank 0:e882606c8174 5 #define SS_PIN PA_4
dank 0:e882606c8174 6
dank 0:e882606c8174 7 DigitalOut ss(SS_PIN);
katoshunsuke 1:b138ec359bfe 8 SPI spi(PA_7,PA_6,PA_5);
dank 0:e882606c8174 9
dank 0:e882606c8174 10 void SpiRawInitialize(){
dank 0:e882606c8174 11 ss = 1;
dank 0:e882606c8174 12 spi.format(8,0);
katoshunsuke 1:b138ec359bfe 13 spi.frequency(125000);
dank 0:e882606c8174 14 }
dank 0:e882606c8174 15
dank 0:e882606c8174 16 void SpiRawWrite(uint8_t data){
dank 0:e882606c8174 17 spi.write(data);
dank 0:e882606c8174 18 }
dank 0:e882606c8174 19
dank 0:e882606c8174 20 uint8_t SpiRawRead(){
dank 0:e882606c8174 21 return spi.write(0xFF);
dank 0:e882606c8174 22 }
dank 0:e882606c8174 23
dank 0:e882606c8174 24 void SpiRawWriteMulti(uint8_t *data,uint16_t count){
dank 0:e882606c8174 25 for(unsigned int i = 0;i < count;i++)spi.write(data[i]);
dank 0:e882606c8174 26 }
dank 0:e882606c8174 27
dank 0:e882606c8174 28 void SpiRawReadMulti(uint8_t *data,uint16_t count){
dank 0:e882606c8174 29 for(unsigned int i = 0;i < count;i++)data[i] = spi.write(0xFF);
dank 0:e882606c8174 30 }
dank 0:e882606c8174 31
dank 0:e882606c8174 32 void SpiRawAsertSS(){
dank 0:e882606c8174 33 ss = 0;
dank 0:e882606c8174 34 }
dank 0:e882606c8174 35
dank 0:e882606c8174 36 void SpiRawDeAsertSS(){
dank 0:e882606c8174 37 ss = 1;
dank 0:e882606c8174 38 }