pyexec: Make raw REPL work with event-driven version of pyexec.

esp8266 port now has working raw and friendly REPL, as well as working
soft reset (CTRL-D at REPL, or raise SystemExit).

tools/pyboard.py now works with esp8266 port.

2 files changed, 20 insertions, 24 deletions

diff --git a/esp8266/main.c b/esp8266/main.c
index b6024f3c5..a3878c0e7 100644
--- a/esp8266/main.c
+++ b/esp8266/main.c
@@ -39,8 +39,7 @@
 
 STATIC char heap[16384];
 
-void user_init(void) {
-soft_reset:
+STATIC void mp_reset(void) {
     mp_stack_set_limit(10240);
     mp_hal_init();
     gc_init(heap, heap + sizeof(heap));
@@ -48,29 +47,20 @@ soft_reset:
     mp_init();
     mp_obj_list_init(mp_sys_path, 0);
     mp_obj_list_init(mp_sys_argv, 0);
+}
 
-    printf("\n");
+void soft_reset(void) {
+    mp_hal_stdout_tx_str("PYB: soft reset\r\n");
+    mp_hal_udelay(10000); // allow UART to flush output
+    mp_reset();
+    pyexec_event_repl_init();
+}
 
-#if MICROPY_REPL_EVENT_DRIVEN
-    pyexec_friendly_repl_init();
+void user_init(void) {
+    mp_reset();
+    mp_hal_stdout_tx_str("\r\n");
+    pyexec_event_repl_init();
     uart_task_init();
-    return;
-    goto soft_reset;
-#else
-    for (;;) {
-        if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
-            if (pyexec_raw_repl() != 0) {
-                break;
-            }
-        } else {
-            if (pyexec_friendly_repl() != 0) {
-                break;
-            }
-        }
-    }
-
-    goto soft_reset;
-#endif
 }
 
 mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
diff --git a/esp8266/uart.c b/esp8266/uart.c
index 6087668a7..87bbb7c92 100644
--- a/esp8266/uart.c
+++ b/esp8266/uart.c
@@ -200,10 +200,16 @@ void ICACHE_FLASH_ATTR uart_reattach() {
 
 // Task-based UART interface
 
-int pyexec_friendly_repl_process_char(int c);
+#include "py/obj.h"
+#include "stmhal/pyexec.h"
+
+void soft_reset(void);
 
 void uart_task_handler(os_event_t *evt) {
-    pyexec_friendly_repl_process_char(evt->par);
+    int ret = pyexec_event_repl_process_char(evt->par);
+    if (ret & PYEXEC_FORCED_EXIT) {
+        soft_reset();
+    }
 }
 
 void uart_task_init() {