mehrdadh commented on code in PR #13885:
URL: https://github.com/apache/tvm/pull/13885#discussion_r1093811741
##########
tests/micro/zephyr/test_zephyr.py:
##########
@@ -608,5 +608,41 @@ def
test_schedule_build_with_cmsis_dependency(workspace_dir, board, microtvm_deb
assert "CMSIS-NN/Include" in cmake_content
[email protected]_micro
+def test_debugging_enabled(workspace_dir):
+ """Test debugging enabled for LED.
+ We used a physical board(nucleo_l4r5zi) instead of QEMU since
+ LED config is not available on QEMU.
Review Comment:
done
##########
apps/microtvm/zephyr/template_project/src/mlperftiny/platform.cc:
##########
@@ -162,3 +173,62 @@ int8_t QuantizeFloatToInt8(float value, float scale, int
zero_point) {
}
return (int8_t)(result);
}
+
+// UART interrupt callback.
+void uart_irq_cb(const struct device* dev, void* user_data) {
+ while (uart_irq_update(dev) && uart_irq_is_pending(dev)) {
+ struct ring_buf* rbuf = (struct ring_buf*)user_data;
+ if (uart_irq_rx_ready(dev) != 0) {
+ for (;;) {
+ // Read a small chunk of data from the UART.
+ int bytes_read = uart_fifo_read(dev, uart_data, sizeof(uart_data));
+ if (bytes_read < 0) {
+ TVMPlatformAbort((tvm_crt_error_t)(0xbeef1));
+ } else if (bytes_read == 0) {
+ break;
+ }
+ // Write it into the ring buffer.
+ int bytes_written = ring_buf_put(rbuf, uart_data, bytes_read);
+ if (bytes_read != bytes_written) {
+ TVMPlatformAbort((tvm_crt_error_t)(0xbeef2));
+ }
+ }
+ }
+ }
+}
+
+// Initialize the UART receiver.
+void uart_rx_init(struct ring_buf* rbuf, const struct device* dev) {
Review Comment:
removed both
##########
apps/microtvm/zephyr/template_project/microtvm_api_server.py:
##########
@@ -658,13 +668,30 @@ def generate_project(self, model_library_format_path,
standalone_crt_dir, projec
API_SERVER_DIR / "crt_config" / "crt_config.h", crt_config_dir /
"crt_config.h"
)
- # Populate src/
+ # Populate src and include
src_dir = project_dir / "src"
- if project_type != "host_driven" or self._is_fvp(zephyr_board,
use_fvp):
- shutil.copytree(API_SERVER_DIR / "src" / project_type, src_dir)
- else:
- src_dir.mkdir()
- shutil.copy2(API_SERVER_DIR / "src" / project_type / "main.c",
src_dir)
+ src_dir.mkdir()
+ include_dir = project_dir / "include" / "tvm"
+ include_dir.mkdir(parents=True)
+ for file in os.listdir(API_SERVER_DIR / "src" / project_type):
Review Comment:
done
##########
apps/microtvm/zephyr/template_project/src/mlperftiny/platform.cc:
##########
@@ -49,14 +55,8 @@ int8_t g_quant_zero = OUT_QUANT_ZERO;
#endif
size_t g_output_data_len = output_data_len;
-// WORKSPACE_SIZE is defined in python
-static uint8_t g_aot_memory[WORKSPACE_SIZE];
-tvm_workspace_t app_workspace;
-
-size_t TVMPlatformFormatMessage(char* out_buf, size_t out_buf_size_bytes,
const char* fmt,
- va_list args) {
- return vsnprintk(out_buf, out_buf_size_bytes, fmt, args);
-}
+static const struct device* g_microtvm_uart;
+static uint8_t uart_data[8];
Review Comment:
that's no longer used, so I removed `uart_data`
##########
apps/microtvm/zephyr/template_project/src/mlperftiny/platform.h:
##########
@@ -59,4 +62,28 @@ void TVMInfer(void* input_ptr);
*/
int8_t QuantizeFloatToInt8(float value, float scale, int zero_point);
-#endif /* APPS_MICROTVM_ZEPHYR_TEMPLATE_PROJECT_SRC_MLPERFTINY_TVMRUNTIME_H_ */
+/*!
+ * \brief Read Uart Rx buffer.
+ * \param data Pointer to read data.
+ * \param data_size_bytes Read request size in bytes.
+ *
+ * \return Number of data read in bytes.
+ */
+char TVMPlatformUartRxRead();
Review Comment:
done
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