i2c update

applications/plugins/flipper_i2ctools/i2cscanner.c

@@ -0,0 +1,35 @@
+#include "i2cscanner.h"
+
+void scan_i2c_bus(i2cScanner* i2c_scanner) {
+    i2c_scanner->nb_found = 0;
+    i2c_scanner->scanned = true;
+    // Get the bus
+    furi_hal_i2c_acquire(I2C_BUS);
+    // scan
+    for(uint8_t addr = 0x01; addr < MAX_I2C_ADDR; addr++) {
+        // Check for peripherals
+        if(furi_hal_i2c_is_device_ready(I2C_BUS, addr, I2C_TIMEOUT)) {
+            // skip even 8-bit addr
+            if(addr % 2 != 0) {
+                continue;
+            }
+            // convert addr to 7-bits
+            i2c_scanner->addresses[i2c_scanner->nb_found] = addr >> 1;
+            i2c_scanner->nb_found++;
+        }
+    }
+    furi_hal_i2c_release(I2C_BUS);
+}
+
+i2cScanner* i2c_scanner_alloc() {
+    i2cScanner* i2c_scanner = malloc(sizeof(i2cScanner));
+    i2c_scanner->nb_found = 0;
+    i2c_scanner->menu_index = 0;
+    i2c_scanner->scanned = false;
+    return i2c_scanner;
+}
+
+void i2c_scanner_free(i2cScanner* i2c_scanner) {
+    furi_assert(i2c_scanner);
+    free(i2c_scanner);
+}