feat(hosted): Add OTA and version functionality to esp-hosted

Author: me-no-dev

cores/esp32/esp32-hal-hosted.c

@@ -18,9 +18,10 @@
 #include "esp32-hal-hosted.h"
 #include "esp32-hal-log.h"
 
+#include "esp_hosted.h"
 #include "esp_hosted_transport_config.h"
-extern esp_err_t esp_hosted_init();
-extern esp_err_t esp_hosted_deinit();
+// extern esp_err_t esp_hosted_init();
+// extern esp_err_t esp_hosted_deinit();
 
 static bool hosted_initialized = false;
 static bool hosted_ble_active = false;
@@ -46,6 +47,91 @@ static sdio_pin_config_t sdio_pin_config = {
 #endif
 };
 
+static esp_hosted_coprocessor_fwver_t slave_version_struct = {
+  .major1 = 0,
+  .minor1 = 0,
+  .patch1 = 0
+};
+static esp_hosted_coprocessor_fwver_t host_version_struct = {
+  .major1 = ESP_HOSTED_VERSION_MAJOR_1,
+  .minor1 = ESP_HOSTED_VERSION_MINOR_1,
+  .patch1 = ESP_HOSTED_VERSION_PATCH_1
+};
+
+void hostedGetHostVersion(uint32_t * major, uint32_t * minor, uint32_t * patch) {
+  *major = host_version_struct.major1;
+  *minor = host_version_struct.minor1;
+  *patch = host_version_struct.patch1;
+}
+
+void hostedGetSlaveVersion(uint32_t * major, uint32_t * minor, uint32_t * patch) {
+  *major = slave_version_struct.major1;
+  *minor = slave_version_struct.minor1;
+  *patch = slave_version_struct.patch1;
+}
+
+bool hostedHasUpdate() {
+  uint32_t host_version = ESP_HOSTED_VERSION_VAL(host_version_struct.major1, host_version_struct.minor1, host_version_struct.patch1);
+  uint32_t slave_version = ESP_HOSTED_VERSION_VAL(slave_version_struct.major1, slave_version_struct.minor1, slave_version_struct.patch1);
+  
+  esp_err_t ret = esp_hosted_get_coprocessor_fwversion(&slave_version_struct);
+  if (ret != ESP_OK) {
+    log_e("Could not get slave firmware version: %s", esp_err_to_name(ret));
+  } else {
+    slave_version = ESP_HOSTED_VERSION_VAL(slave_version_struct.major1, slave_version_struct.minor1, slave_version_struct.patch1);
+  }
+  
+  log_i("Host firmware version: %" PRIu32 ".%" PRIu32 ".%" PRIu32, host_version_struct.major1, host_version_struct.minor1, host_version_struct.patch1);
+  log_i("Slave firmware version: %" PRIu32 ".%" PRIu32 ".%" PRIu32, slave_version_struct.major1, slave_version_struct.minor1, slave_version_struct.patch1);
+
+  // compare major.minor only
+  // slave_version &= 0xFFFFFF00;
+  // host_version &= 0xFFFFFF00;
+
+  if (host_version == slave_version) {
+    log_i("Versions Match!");
+  } else if (host_version > slave_version) {
+    log_w("Version on Host is NEWER than version on co-processor");
+    log_w("Update URL: %s", hostedGetUpdateURL());
+    return true;
+  } else {
+    log_w("Version on Host is OLDER than version on co-processor");
+  }
+  return false;
+}
+
+char * hostedGetUpdateURL() {
+  // https://espressif.github.io/arduino-esp32/hosted/esp32c6-v1.2.3.bin
+  static char url[92] = {0};
+  snprintf(url, 92, "https://espressif.github.io/arduino-esp32/hosted/%s-v%" PRIu32 ".%" PRIu32 ".%" PRIu32 ".bin",
+    CONFIG_ESP_HOSTED_IDF_SLAVE_TARGET, host_version_struct.major1, host_version_struct.minor1, host_version_struct.patch1);
+  return url;
+}
+
+bool hostedBeginUpdate() {
+  esp_err_t err = esp_hosted_slave_ota_begin();
+  if (err != ESP_OK) {
+    log_e("Failed to begin Update: %s", esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
+bool hostedWriteUpdate(uint8_t* buf, uint32_t len) {
+  esp_err_t err = esp_hosted_slave_ota_write(buf, len);
+  if (err != ESP_OK) {
+    log_e("Failed to write Update: %s", esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
+bool hostedEndUpdate() {
+  esp_err_t err = esp_hosted_slave_ota_end();
+  if (err != ESP_OK) {
+    log_e("Failed to end Update: %s", esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
 static bool hostedInit() {
   if (!hosted_initialized) {
     log_i("Initializing ESP-Hosted");
@@ -69,6 +155,12 @@ static bool hostedInit() {
       return false;
     }
     log_i("ESP-Hosted initialized!");
+    if (esp_hosted_connect_to_slave() != ESP_OK) {
+      log_e("Failed to connect to slave");
+      return false;
+    }
+    hostedHasUpdate();
+    return true;
   }
 
   // Attach pins to PeriMan here

cores/esp32/esp32-hal-hosted.h

@@ -44,6 +44,13 @@ bool hostedIsBLEActive();
 bool hostedIsWiFiActive();
 bool hostedSetPins(int8_t clk, int8_t cmd, int8_t d0, int8_t d1, int8_t d2, int8_t d3, int8_t rst);
 void hostedGetPins(int8_t *clk, int8_t *cmd, int8_t *d0, int8_t *d1, int8_t *d2, int8_t *d3, int8_t *rst);
+void hostedGetHostVersion(uint32_t * major, uint32_t * minor, uint32_t * patch);
+void hostedGetSlaveVersion(uint32_t * major, uint32_t * minor, uint32_t * patch);
+bool hostedHasUpdate();
+char * hostedGetUpdateURL();
+bool hostedBeginUpdate();
+bool hostedWriteUpdate(uint8_t* buf, uint32_t len);
+bool hostedEndUpdate();
 
 #ifdef __cplusplus
 }