Add files via upload

Author: UltimumControl

cores/esp32/esp32-hal-spi.c

@@ -74,6 +74,7 @@ struct spi_struct_t {
   int8_t miso;
   int8_t mosi;
   int8_t ss;
+  bool invert_out;
 };
 
 #if CONFIG_IDF_TARGET_ESP32S2
@@ -356,6 +357,8 @@ bool spiDetachMOSI(spi_t *spi) {
   return true;
 }
 
+
+
 bool spiAttachSS(spi_t *spi, uint8_t ss_num, int8_t ss) {
   if (!spi || ss < 0 || ss_num > 2) {
     return false;
@@ -365,7 +368,7 @@ bool spiAttachSS(spi_t *spi, uint8_t ss_num, int8_t ss) {
     return false;
   }
   pinMode(ss, OUTPUT);
-  pinMatrixOutAttach(ss, SPI_SS_IDX(spi->num, ss_num), false, false);
+  pinMatrixOutAttach(ss, SPI_SS_IDX(spi->num, ss_num), spi->invert_out, false);
   spiEnableSSPins(spi, (1 << ss_num));
   spi->ss = ss;
   if (!perimanSetPinBus(ss, ESP32_BUS_TYPE_SPI_MASTER_SS, (void *)(spi->num + 1), spi->num, -1)) {
@@ -435,6 +438,12 @@ void spiSSDisable(spi_t *spi) {
   SPI_MUTEX_UNLOCK();
 }
 
+void spiSSInvertout(spi_t *spi, bool invert) {
+  if (spi) {
+    spi->invert_out = invert;
+  }
+}
+
 void spiSSSet(spi_t *spi) {
   if (!spi) {
     return;

cores/esp32/esp32-hal-spi.h

@@ -97,6 +97,8 @@ void spiSSSet(spi_t *spi);
 void spiSSClear(spi_t *spi);
 
 void spiWaitReady(spi_t *spi);
+//invert hardware SS
+void spiSSInvertout(spi_t *spi, bool invert);
 
 uint32_t spiGetClockDiv(spi_t *spi);
 uint8_t spiGetDataMode(spi_t *spi);