Merge pull request #711 from pimoroni/patch-jpegdec-filename

MicroPython: Avoid heap allocations in all C++ modules.

.github/workflows/micropython-picow.yml

@@ -7,7 +7,7 @@ on:
     types: [created]
 
 env:
-  MICROPYTHON_VERSION: 294098d28e2bad0ac0aad0d72595d11a82798096
+  MICROPYTHON_VERSION: 05bb26010e4a466a82cfed179f8d8d0b406a78ca
 
 jobs:
   deps:

.github/workflows/micropython.yml

@@ -7,7 +7,7 @@ on:
     types: [created]
 
 env:
-  MICROPYTHON_VERSION: 294098d28e2bad0ac0aad0d72595d11a82798096
+  MICROPYTHON_VERSION: 05bb26010e4a466a82cfed179f8d8d0b406a78ca
 
 jobs:
   deps:

drivers/bme280/bme280.cpp

@@ -11,7 +11,10 @@ namespace pimoroni {
             gpio_pull_up(interrupt);
         }
 
-        device.intf_ptr = new i2c_intf_ptr{.i2c = i2c, .address = address};
+        i2c_interface.i2c = i2c;
+        i2c_interface.address = address;
+
+        device.intf_ptr = &i2c_interface;
         device.intf = bme280_intf::BME280_I2C_INTF;
         device.read = (bme280_read_fptr_t)&read_bytes;
         device.write = (bme280_write_fptr_t)&write_bytes;

drivers/bme280/bme280.hpp

@@ -26,6 +26,8 @@ namespace pimoroni {
                 bool status;
             };
 
+            i2c_intf_ptr i2c_interface;
+
             bool debug = false;
 
             bool init();

drivers/bme68x/bme68x.cpp

@@ -11,8 +11,10 @@ namespace pimoroni {
             gpio_pull_up(interrupt);
         }
 
-        device.intf_ptr = new i2c_intf_ptr{.i2c = i2c, .address = address};
+        i2c_interface.i2c = i2c;
+        i2c_interface.address = address;
 
+        device.intf_ptr = &i2c_interface;
         device.intf = bme68x_intf::BME68X_I2C_INTF;
         device.read = (bme68x_read_fptr_t)&read_bytes;
         device.write = (bme68x_write_fptr_t)&write_bytes;

drivers/bme68x/bme68x.hpp

@@ -18,6 +18,8 @@ namespace pimoroni {
                 int8_t address;
             };
 
+            i2c_intf_ptr i2c_interface;
+
             bool debug = true;
 
             bool init();