feat(api-demo): Make demo work

Signed-off-by: Rahix <rahix@rahix.de>

hw-tests/api-demo/api/api_caller.c

 #include <stdlib.h>
 
 #include "api/api_caller.h"
+#include "tmr_utils.h"
 
 void* api_call_start (uint32_t id, void* args, uint32_t size)
 {
@@ -9,13 +10,24 @@ void* api_call_start (uint32_t id, void* args, uint32_t size)
 
 	ApiCallSpace->id = id;
 	ApiCallSpace->returning = 0;
-	return ApiCallSpace;
+	return ApiCallSpace->buf;
 }
 
 void* api_call_bother_dispatcher (void* buf)
 {
 	SEMA_FreeSema (API_CALL_SEMA);
-	// set event
+	// TODO: set event
+
+	while(1) {
+		// aquire semaphore
+		while (E_BUSY == SEMA_GetSema (API_CALL_SEMA)) ;
+		if (ApiCallSpace->returning == 1) {
+			break;
+		}
+		SEMA_FreeSema(API_CALL_SEMA);
+		TMR_Delay(MXC_TMR2, MSEC(100), 0);
+	}
+	SEMA_FreeSema(API_CALL_SEMA);
 
 	return NULL;
 }

hw-tests/api-demo/api/api_dispatcher.c

 #include "api_dispatcher.h"
 
-int
-api_init (sys_cfg_sema_t *sys_cfg)
+int api_init (sys_cfg_sema_t *sys_cfg)
 {
 	int ret;
 
@@ -13,3 +12,23 @@ api_init (sys_cfg_sema_t *sys_cfg)
 	return ret;
 }
 
+void api_dispatcher()
+{
+	while (SEMA_GetSema(API_CALL_SEMA) == E_BUSY) {}
+
+	if (ApiCallSpace->returning == 1) {
+		SEMA_FreeSema(API_CALL_SEMA);
+		return;
+	}
+
+	printf("core1: Catched API CALL!\n");
+	printf("%d: ",ApiCallSpace->id);
+	for (int i = 0; i < 16; i++) {
+		printf("0x%02x ", ((char*)ApiCallSpace->buf)[i]);
+	}
+	printf("\n");
+
+	ApiCallSpace->returning = 1;
+
+	SEMA_FreeSema(API_CALL_SEMA);
+}

hw-tests/api-demo/api/api_dispatcher.h

 #include "api_common.h"
 #include "mxc_sys.h"
 
-int
-api_init (sys_cfg_sema_t *sys_cfg);
+int api_init (sys_cfg_sema_t *sys_cfg);
+void api_dispatcher();
 

hw-tests/api-demo/test-payload.c → hw-tests/api-demo/core1-dispatcher.c

@@ -2,6 +2,7 @@
 #include "gpio.h"
 #include "mxc_delay.h"
 #include "api.h"
+#include "tmr_utils.h"
 
 #include "api/api_dispatcher.h"
 
@@ -27,10 +28,18 @@ void api_set_led(uint8_t led, led_color_t color)
 int main(void)
 {
 	api_init(NULL);
+
+	while (1) {
+		api_dispatcher();
+                TMR_Delay(MXC_TMR1, MSEC(100), 0);
+	}
+
+#if 0
 	// Enable rxev on core1
 	MXC_GCR->evten |= 0x20;
 	for (int i = 0; 1; i++) {
 		__asm volatile("wfe");
 		printf("core1: Hello! %d\n", i);
 	}
+#endif
 }

hw-tests/api-demo/genapi.py

@@ -80,7 +80,10 @@ def main():
 /* Autogenerated stub for {id} */
 {cdecl}({cargs}) {{
     const int size = {total_size};
-    unsigned char buffer[size];
+    void*buffer;
+
+    buffer = api_call_start({id}, size);
+    /* TODO: Check if buffer is no NULL */
 """.format(
                     id=api_id,
                     cdecl=api_decl,
@@ -102,11 +105,13 @@ def main():
 
             print(
                 """
-    printf("{id}: ");
+    printf("Sending call {id}\\nBUF: ");
     for (int i = 0; i < size; i++) {{
-        printf("0x%02x ", buffer[i]);
+        printf("0x%02x ", ((char*)buffer)[i]);
     }}
     printf("\\n");
+
+    api_call_bother_dispatcher(buffer);
 }}
 """.format(
                     id=api_id

hw-tests/api-demo/main.c

@@ -24,6 +24,13 @@ int main(void)
     card10_diag();
 
     printf("API Test.\n");
+    printf("core0: Starting dispatcher on core1\n");
+    Core1_Start();
+    TMR_Delay(MXC_TMR0, MSEC(100), 0);
+
+    api_set_buzzer(1);
+    TMR_Delay(MXC_TMR0, MSEC(300), 0);
+    api_set_buzzer(0);
 
     while(1) {
         printf("count = %d\n", count++);

hw-tests/api-demo/meson.build

@@ -30,7 +30,7 @@ name = 'api-demo-core1'
 
 executable(
   name + '.elf',
-  'test-payload.c',
+  'core1-dispatcher.c',
   './api/api_dispatcher.c',
   api_stubs[1],
   dependencies: [libcard10, max32665_startup_core1],