Removed the SD class, I think it is out of scope for this project

Author: ducalex

CMakeLists.txt

@@ -0,0 +1,4 @@
+set(COMPONENT_SRCDIRS "src")
+set(COMPONENT_ADD_INCLUDEDIRS "src")
+
+register_component()

README.md

@@ -10,7 +10,6 @@ Currently implemented:
 - The Wire library
 - The SPI library (Work in progress)
 - Partial WiFi library (Only WiFi class, no WiFiClient or WiFiServer)
-- Partial SD library (File isn't implemented, unistd functions are available)
 - The Stream, String, and Print classes
 
 Out of scope:

src/Arduino.cpp

@@ -151,3 +151,23 @@ inline void randomSeed(long seed)
 {
     //
 }
+
+/*
+#include "esp_vfs_fat.h"
+#include "driver/sdmmc_host.h"
+#include "driver/sdspi_host.h"
+bool sd_init(int miso, int mosi, int sck, int cs)
+{
+    sdmmc_host_t host = SDSPI_HOST_DEFAULT();
+    sdspi_slot_config_t slot_config = SDSPI_SLOT_CONFIG_DEFAULT();
+    slot_config.gpio_miso = (gpio_num_t)miso;
+    slot_config.gpio_mosi = (gpio_num_t)mosi;
+    slot_config.gpio_sck  = (gpio_num_t)sck;
+    slot_config.gpio_cs   = (gpio_num_t)cs;
+    esp_vfs_fat_sdmmc_mount_config_t mount_config = {
+        .format_if_mount_failed = false,
+        .max_files = 8
+    };
+    return esp_vfs_fat_sdmmc_mount(mountPoint, &host, &slot_config, &mount_config, NULL) == ESP_OK;
+}
+*/

src/SD.cpp

@@ -51,6 +51,7 @@ void SPIClass::end()
 
 void SPIClass::beginTransaction(SPISettings settings)
 {
+    /*
     spi_device_interface_config_t devcfg = {
         .mode = settings.dataMode,
         .clock_speed_hz = settings.clock,
@@ -63,6 +64,7 @@ void SPIClass::beginTransaction(SPISettings settings)
         // start transaction
         memset(&transaction, 0, sizeof(transaction));
     }
+    */
 }
 
 void SPIClass::endTransaction(void)
@@ -74,7 +76,7 @@ void SPIClass::endTransaction(void)
 
 uint8_t SPIClass::transfer(uint8_t data)
 {
-
+    return 0;
 }
 
 void SPIClass::transfer(void *buf, size_t count)

src/SD.h

@@ -24,10 +24,10 @@
 class SPISettings
 {
   public:
-    uint32_t clock;
-    uint32_t bitOrder;
-    uint32_t dataMode;
-    SPISettings(uint32_t clock = SPI_MASTER_FREQ_8M, uint8_t bitOrder = MSBFIRST, uint8_t dataMode = SPI_MODE0) {}
+    int clock;
+    uint8_t bitOrder;
+    uint8_t dataMode;
+    SPISettings(int clock = SPI_MASTER_FREQ_8M, uint8_t bitOrder = MSBFIRST, uint8_t dataMode = SPI_MODE0) {}
 };
 
 class SPIClass

src/SPI.cpp

@@ -693,7 +693,7 @@ void String::remove(unsigned int index, unsigned int count){
 	if (count > len - index) { count = len - index; }
 	char *writeTo = buffer + index;
 	len = len - count;
-	strncpy(writeTo, buffer + index + count,len - index);
+	memmove(writeTo, buffer + index + count, len - index);
 	buffer[len] = 0;
 }