alif: Support running the port on the HE core.

The same MicroPython firmware is built for the HE but with slightly
different options, for example no USB.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Author: iabdalkader

ports/alif/alif_flash.c

@@ -30,6 +30,7 @@
 #include "modalif.h"
 #include "ospi_flash.h"
 
+#if MICROPY_HW_ENABLE_OSPI
 typedef struct _alif_flash_obj_t {
     mp_obj_base_t base;
     uint32_t flash_base_addr;
@@ -158,3 +159,4 @@ MP_DEFINE_CONST_OBJ_TYPE(
     make_new, alif_flash_make_new,
     locals_dict, &alif_flash_locals_dict
     );
+#endif // MICROPY_HW_ENABLE_OSPI

ports/alif/boards/manifest.py

@@ -1,4 +1,4 @@
-freeze("$(PORT_DIR)/modules")
+freeze("$(PORT_DIR)/modules/$(MCU_CORE)")
 include("$(MPY_DIR)/extmod/asyncio")
 require("dht")
 require("neopixel")

ports/alif/main.c

@@ -68,11 +68,11 @@ void _start(void) {
     #if MICROPY_HW_ENABLE_UART_REPL
     mp_uart_init();
     #endif
-
+    #if MICROPY_HW_ENABLE_OSPI
     if (ospi_flash_init() != 0) {
         MICROPY_BOARD_FATAL_ERROR("ospi_init failed");
     }
-
+    #endif
     #if MICROPY_HW_ENABLE_USBDEV
     NVIC_ClearPendingIRQ(USB_IRQ_IRQn);
     NVIC_SetPriority(USB_IRQ_IRQn, IRQ_PRI_USB);

ports/alif/modalif.c

@@ -37,7 +37,9 @@ static MP_DEFINE_CONST_FUN_OBJ_0(alif_info_obj, alif_info);
 
 static const mp_rom_map_elem_t alif_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__),            MP_ROM_QSTR(MP_QSTR_alif) },
+    #if MICROPY_HW_ENABLE_OSPI
     { MP_ROM_QSTR(MP_QSTR_Flash),               MP_ROM_PTR(&alif_flash_type) },
+    #endif
     { MP_ROM_QSTR(MP_QSTR_info),                MP_ROM_PTR(&alif_info_obj) },
     #if MICROPY_HW_USB_MSC
     // Attribute to indicate USB MSC is enabled.

ports/alif/modules/he/_boot.py

@@ -0,0 +1,21 @@
+import openamp
+import time
+from machine import Pin
+
+
+def ept_recv_callback(src_addr, data):
+    print("Received message on endpoint", data)
+
+
+# Create a new RPMsg endpoint to communicate with main core.
+ept = openamp.Endpoint("vuart-channel", callback=ept_recv_callback)
+
+pin = Pin("LED_BLUE", Pin.OUT)
+
+count = 0
+while True:
+    if ept.is_ready():
+        ept.send("Hello from HE %d" % count, timeout=1000)
+        count += 1
+    time.sleep_ms(100)
+    pin(not pin())

ports/alif/modules/_boot.py ports/alif/modules/hp/_boot.pyports/alif/modules/_boot.py renamed to ports/alif/modules/hp/_boot.py

@@ -36,13 +36,18 @@
 #define MICROPY_CONFIG_ROM_LEVEL                (MICROPY_CONFIG_ROM_LEVEL_FULL_FEATURES)
 #endif
 
-#define MICROPY_HW_ENABLE_UART_REPL             (1) // useful if there is no USB
-#define MICROPY_HW_ENABLE_USBDEV                (1)
-
+#ifndef MICROPY_HW_ENABLE_OSPI
+#define MICROPY_HW_ENABLE_OSPI                  (CORE_M55_HP)
+#endif
+#ifndef MICROPY_HW_ENABLE_USBDEV
+#define MICROPY_HW_ENABLE_USBDEV                (CORE_M55_HP)
+#endif
 #ifndef MICROPY_HW_USB_PRODUCT_FS_STRING
 #define MICROPY_HW_USB_PRODUCT_FS_STRING        "Board in HS mode"
 #endif
-#define MICROPY_HW_USB_CDC                      (1)
+#ifndef MICROPY_HW_USB_CDC
+#define MICROPY_HW_USB_CDC                      (CORE_M55_HP)
+#endif
 #define MICROPY_HW_USB_CDC_TX_TIMEOUT           (500)
 #ifndef MICROPY_HW_USB_MSC
 #define MICROPY_HW_USB_MSC                      (0)
@@ -53,7 +58,9 @@
 #ifndef MICROPY_HW_USB_PID
 #define MICROPY_HW_USB_PID                      (0x9802) // interface has CDC only
 #endif
-
+#ifndef MICROPY_HW_ENABLE_UART_REPL
+#define MICROPY_HW_ENABLE_UART_REPL             (CORE_M55_HP) // useful if there is no USB
+#endif
 #define MICROPY_HW_FLASH_BLOCK_SIZE_BYTES       (4096)
 
 // Memory allocation policies
@@ -78,6 +85,9 @@
 #define MICROPY_ENABLE_GC                       (1)
 #define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF  (1)
 #define MICROPY_LONGINT_IMPL                    (MICROPY_LONGINT_IMPL_MPZ)
+#ifndef MICROPY_FLOAT_IMPL
+#define MICROPY_FLOAT_IMPL                      (MICROPY_FLOAT_IMPL_FLOAT)
+#endif
 #define MICROPY_SCHEDULER_DEPTH                 (8)
 #define MICROPY_SCHEDULER_STATIC_NODES          (1)
 #define MICROPY_USE_INTERNAL_ERRNO              (1)

ports/alif/mpconfigport.h

@@ -10,3 +10,4 @@ MICROPY_VFS_LFS2 ?= 1
 
 # File containing description of content to be frozen into firmware.
 FROZEN_MANIFEST ?= boards/manifest.py
+MICROPY_MANIFEST_MCU_CORE := $(shell echo $(MCU_CORE) | awk -F'_' '{print tolower($$2)}')

ports/alif/mpconfigport.mk

@@ -85,8 +85,10 @@ int mp_hal_stdin_rx_chr(void) {
 
 // Send string of given length
 mp_uint_t mp_hal_stdout_tx_strn(const char *str, size_t len) {
+    #if MICROPY_HW_ENABLE_UART_REPL || MICROPY_HW_USB_CDC || MICROPY_PY_OS_DUPTERM
     mp_uint_t ret = len;
     bool did_write = false;
+    #endif
 
     #if MICROPY_HW_ENABLE_UART_REPL
     mp_uart_write_strn(str, len);

ports/alif/mphalport.c

@@ -26,8 +26,9 @@
 
 #include "py/mperrno.h"
 #include "py/mphal.h"
-#include "ospi_flash.h"
 
+#if MICROPY_HW_ENABLE_OSPI
+#include "ospi_flash.h"
 #include "ospi_drv.h"
 #include "pinconf.h"
 
@@ -263,3 +264,4 @@ int ospi_flash_write(uint32_t addr, uint32_t len, const uint8_t *src) {
     }
     return ret;
 }
+#endif // MICROPY_HW_ENABLE_OSPI