Fix SPI device getting pin config (#1426)

nanoframework · Jul 31, 2019 · fd97dac · fd97dac
1 parent aaf2b75
commit fd97dac
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/...WROOM_32/nanoCLR/Windows.Devices.Spi/win_dev_spi_native_Windows_Devices_Spi_SpiDevice.cpp b/...WROOM_32/nanoCLR/Windows.Devices.Spi/win_dev_spi_native_Windows_Devices_Spi_SpiDevice.cpp
@@ -99,9 +99,11 @@ void Esp32_Spi_UnitializeAll()
 // Inialise the SPI Bus
 static void InitSpiBus( spi_host_device_t bus)
 {
-    gpio_num_t mosiPin  = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, bus, 0);
-    gpio_num_t misoPin  = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, bus, 1);
-    gpio_num_t clockPin = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, bus, 2);
+	int busIndex = bus - 1;
+
+    gpio_num_t mosiPin  = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, busIndex, 0);
+    gpio_num_t misoPin  = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, busIndex, 1);
+    gpio_num_t clockPin = (gpio_num_t)Esp32_GetMappedDevicePins( DEV_TYPE_SPI, busIndex, 2);
 
     spi_bus_config_t bus_config 
     {