From 84dfb69a675f2c202a0c8de66817256ff09dc35f Mon Sep 17 00:00:00 2001
From: Matt <matt.martin@ieee.org>
Date: Sun, 17 Jul 2022 14:25:53 -0700
Subject: [PATCH] Add FSPI interface for esp32s2 and honor the DATA_PIN and
 CLOCK_PIN since the SPI channels can be remapped

---
 src/platforms/esp/32/fastspi_esp32.h | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/platforms/esp/32/fastspi_esp32.h b/src/platforms/esp/32/fastspi_esp32.h
index d69bc5239..5fe8346dd 100644
--- a/src/platforms/esp/32/fastspi_esp32.h
+++ b/src/platforms/esp/32/fastspi_esp32.h
@@ -45,11 +45,14 @@ FASTLED_NAMESPACE_BEGIN
  * THE SOFTWARE.
  */
 
+#include<SPI.h>
+
 #ifndef FASTLED_ESP32_SPI_BUS
     #define FASTLED_ESP32_SPI_BUS VSPI
 #endif
 
-SPIClass ledSPI(FASTLED_ESP32_SPI_BUS);
+static SPIClass ledSPI(FASTLED_ESP32_SPI_BUS);
+
 
 #if FASTLED_ESP32_SPI_BUS == VSPI
     static uint8_t spiClk = 18;
@@ -61,6 +64,11 @@ SPIClass ledSPI(FASTLED_ESP32_SPI_BUS);
     static uint8_t spiMiso = 12;
     static uint8_t spiMosi = 13;
     static uint8_t spiCs = 15;
+#elif FASTLED_ESP32_SPI_BUS == FSPI  // ESP32S2 has FSPI and can map to arbitrary pins
+    #define spiMosi DATA_PIN
+    #define spiClk CLOCK_PIN
+    #define spiMiso -1
+    #define spiCs -1
 #endif
 
 template <uint8_t DATA_PIN, uint8_t CLOCK_PIN, uint32_t SPI_SPEED>
@@ -169,4 +177,4 @@ class ESP32SPIOutput {
 	}
 };
 
-FASTLED_NAMESPACE_END
\ No newline at end of file
+FASTLED_NAMESPACE_END