Add Arduino SPI translation

hoylabs · Sep 24, 2024 · ece4520 · ece4520
1 parent 1a583e7
commit ece4520
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Showing 2 changed files with 49 additions and 0 deletions.
diff --git a/lib/SpiManager/src/SpiManager.cpp b/lib/SpiManager/src/SpiManager.cpp
@@ -1,8 +1,39 @@
 #include "SpiManager.h"
 
+#ifdef ARDUINO
+#include <SPI.h>
+#endif
+
 SpiManager::SpiManager() {
 }
 
+#ifdef ARDUINO
+
+std::optional<uint8_t> SpiManager::to_arduino(spi_host_device_t host_device) {
+    switch (host_device) {
+#if CONFIG_IDF_TARGET_ESP32
+    case SPI1_HOST:
+        return FSPI;
+    case SPI2_HOST:
+        return HSPI;
+    case SPI3_HOST:
+        return VSPI;
+#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
+    case SPI2_HOST:
+        return FSPI;
+    case SPI3_HOST:
+        return HSPI;
+#elif CONFIG_IDF_TARGET_ESP32C3
+    case SPI2_HOST:
+        return FSPI;
+#endif
+    default:
+        return std::nullopt;
+    }
+}
+
+#endif
+
 bool SpiManager::register_bus(spi_host_device_t host_device) {
     for (int i = 0; i < SPI_MANAGER_NUM_BUSES; ++i) {
         if (available_buses[i])
@@ -28,6 +59,17 @@ bool SpiManager::claim_bus(spi_host_device_t &host_device) {
     return false;
 }
 
+#ifdef ARDUINO
+
+std::optional<uint8_t> SpiManager::claim_bus_arduino() {
+    spi_host_device_t host_device;
+    if (!claim_bus(host_device))
+        return std::nullopt;
+    return to_arduino(host_device);
+}
+
+#endif
+
 spi_device_handle_t SpiManager::alloc_device(const std::string &bus_id, const std::shared_ptr<SpiBusConfig> &bus_config, spi_device_interface_config_t &device_config) {
     std::shared_ptr<SpiBus> shared_bus = get_shared_bus(bus_id);
     if (!shared_bus)

diff --git a/lib/SpiManager/src/SpiManager.h b/lib/SpiManager/src/SpiManager.h
@@ -18,8 +18,15 @@ class SpiManager {
     SpiManager(const SpiManager&) = delete;
     SpiManager &operator=(const SpiManager&) = delete;
 
+#ifdef ARDUINO
+    static std::optional<uint8_t> to_arduino(spi_host_device_t host_device);
+#endif
+
     bool register_bus(spi_host_device_t host_device);
     bool claim_bus(spi_host_device_t &host_device);
+#ifdef ARDUINO
+    std::optional<uint8_t> claim_bus_arduino();
+#endif
 
     spi_device_handle_t alloc_device(const std::string &bus_id, const std::shared_ptr<SpiBusConfig> &bus_config, spi_device_interface_config_t &device_config);