David Möschwitzer
SPI-Brigde (capseld), for polling interrupt, it is neccessary to adapt the constructor and the function getInt()
Revision 3:9cf83f16c17d, committed 2020-04-23
- Comitter:
- x1dmoesc
- Date:
- Thu Apr 23 22:55:50 2020 +0000
- Parent:
- 2:cb90c271c412
- Commit message:
- last version;
Changed in this revision
| SC18IS602.cpp | Show annotated file Show diff for this revision Revisions of this file |
| SC18IS602.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/SC18IS602.cpp Mon Feb 18 16:03:44 2019 +0000
+++ b/SC18IS602.cpp Thu Apr 23 22:55:50 2020 +0000
@@ -219,14 +219,20 @@
//******************************************************************************//
//
//******************************************************************************//
-bool SC18IS602::sendViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum)
+bool SC18IS602::sendViaSPI(uint8_t uiCS, char cAdrByte, char *cDataBytes, uint8_t uiNum)
{
if((int)uiNum >= BUFFER_SIZE - 1) // If number of sending Bytes greather than BUFFER_SIZE - 1 (Register-Adress-Byte)
return NACK; // returns NACK (failure)
+
+
+ if( uiCS != CMD_RW.CS0 and uiCS != CMD_RW.CS1
+ and uiCS != CMD_RW.CS2 and uiCS != CMD_RW.CS3){ // If uiCS not element of CMD_RW, than return NACK (faiure)
+ return NACK;
+ }
uiNumByte = 0;
- cCmd[uiNumByte] = CMD_RW.CS0; // send via SPI and CS0 (SS0)
+ cCmd[uiNumByte] = uiCS; // send via SPI and CS0 (SS0)
cCmd[++uiNumByte] = cAdrByte;
for(int n = uiNum - 1 ; n >= 0; n--) {
cCmd[++uiNumByte] = cDataBytes[n];
@@ -235,7 +241,7 @@
uiNumByte++; // char cCmd counts from 0, so the number is +1
bAck = sendViaI2C(cCmd, uiNumByte, "TX via SPI"); // send via SPI
- waitFor(INTERRUPT); // If there was an interrupt, wait until it is cleared
+ waitFor(INTERRUPT); // If there was an interrupt, wait until it is cleared
clearInt();
waitFor(not INTERRUPT); // If there was an interrupt, wait until it is cleared
@@ -247,15 +253,21 @@
//******************************************************************************//
// returns reading data. The first byte is the status byte
//******************************************************************************//
-bool SC18IS602::readViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum)
+bool SC18IS602::readViaSPI(uint8_t uiCS, char cAdrByte, char *cDataBytes, uint8_t uiNum)
{
if((int)uiNum >= BUFFER_SIZE - 1) // If number of sending Bytes greather than BUFFER_SIZE - 1 (Register-Adress-Byte)
return NACK; // returns NACK (failure)
+
+
+ if( uiCS != CMD_RW.CS0 and uiCS != CMD_RW.CS1
+ and uiCS != CMD_RW.CS2 and uiCS != CMD_RW.CS3){ // If uiCS not element of CMD_RW, than return NACK (faiure)
+ return NACK;
+ }
// send first time Read comand
uiNumByte = 0;
- cCmd[uiNumByte++] = CMD_RW.CS0; // send via SPI and CS0 (SS0)
+ cCmd[uiNumByte++] = uiCS; // send via SPI and CS0 (SS0)
cCmd[uiNumByte++] = cAdrByte;
for(int n = uiNum - 1 ; n >= 0; n--) {
--- a/SC18IS602.h Mon Feb 18 16:03:44 2019 +0000
+++ b/SC18IS602.h Thu Apr 23 22:55:50 2020 +0000
@@ -21,10 +21,10 @@
static const int USER_ADR_MASK = 0x07;
struct{
- static const int CS0 = 0x01;
- static const int CS1 = 0x02;
- static const int CS2 = 0x04;
- static const int CS3 = 0x08;
+ static const uint8_t CS0 = 0x01;
+ static const uint8_t CS1 = 0x02;
+ static const uint8_t CS2 = 0x04;
+ static const uint8_t CS3 = 0x08;
}CMD_RW;
static const int ADR_SPI_CONF = 0xF0;
@@ -63,7 +63,7 @@
- // Bist position of Register GPIO Enable
+ // Bit position of Register GPIO Enable
struct{
static const int CS0 = 0;
static const int CS1 = 1;
@@ -92,7 +92,7 @@
// public
SC18IS602(I2C *_i2c, uint8_t uiAdr);
SC18IS602(I2C *_i2c, PCA9555 *_pca , uint8_t uiAdr); //
- SC18IS602(I2C *_i2c, DigitalIn *_IntPin, uint8_t uiAdr); //
+ SC18IS602(I2C *_i2c, DigitalIn *_IntPin, uint8_t uiAdr); //
bool configSPI(uint8_t uiConf);
@@ -103,8 +103,8 @@
bool gpio_pin3_off();
bool gpio_toggle(uint8_t uiPort);
- bool sendViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
- bool readViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
+ bool sendViaSPI(uint8_t uiCS, char cAdrByte, char *cDataBytes, uint8_t uiNum);
+ bool readViaSPI(uint8_t uiCS, char cAdrByte, char *cDataBytes, uint8_t uiNum);
//void setIntFuncPtr( bool (*Int_ptr)(void));