tsc ini structure + debug msgs

framework/resources.c

@@ -33,12 +33,6 @@ const char * rsc_get_name(Resource rsc)
     // we assume the returned value is not stored anywhere
     // and is directly used in a sprintf call, hence a static buffer is OK to use
 
-    if (rsc >= R_EXTI0 && rsc <= R_EXTI15) {
-        uint8_t index = rsc - R_EXTI0;
-        SNPRINTF(gpionamebuf, 8, "EXTI%d", index);
-        return gpionamebuf;
-    }
-
     // R_PA0 is 0
     if (rsc <= R_PF15) {
         // we assume the returned value is not stored anywhere
@@ -48,6 +42,12 @@ const char * rsc_get_name(Resource rsc)
         return gpionamebuf;
     }
 
+    if (rsc >= R_EXTI0 && rsc <= R_EXTI15) {
+        uint8_t index = rsc - R_EXTI0;
+        SNPRINTF(gpionamebuf, 8, "EXTI%d", index);
+        return gpionamebuf;
+    }
+
     return rsc_names[rsc - R_EXTI15 - 1];
 }
 
@@ -85,11 +85,12 @@ const char * rsc_get_owner_name(Resource rsc)
 
 void rsc_init_registry(void)
 {
-    for(uint32_t i = 0; i < RSCMAP_LEN; i++) {
-        UNIT_PLATFORM.resources[i] = global_rscmap[i] = 0xFF;
-    }
+    memset(UNIT_PLATFORM.resources, 0xFF, RSCMAP_LEN);
+    memset(global_rscmap, 0xFF, RSCMAP_LEN);
 
     rsc_initialized = true;
+
+    rsc_dbg("Total %d hw resources, bitmap has %d bytes.", RESOURCE_COUNT, RSCMAP_LEN);
 }
 
 

framework/rsc_enum.h

@@ -13,6 +13,7 @@
     X(I2C1) X(I2C2) X(I2C3) \
     X(ADC1) X(ADC2) X(ADC3) X(ADC4) \
     X(DAC1) X(DAC2) \
+    X(TSC) \
     X(USART1) X(USART2) X(USART3) X(USART4) X(USART5) X(USART6) \
     X(TIM1) X(TIM2) X(TIM3) X(TIM4) X(TIM5) \
     X(TIM6) X(TIM7) X(TIM8) X(TIM9) X(TIM10) X(TIM11) X(TIM12) X(TIM13) X(TIM14) \
@@ -24,7 +25,6 @@
 // X(I2S1) X(I2S2) X(I2S3)
 // X(OPAMP1) X(OPAMP2) X(OPAMP3) X(OPAMP4)
 // X(CAN1) X(CAN2)
-// X(TSC)
 // X(DCMI)
 // X(ETH)
 // X(FSMC)
@@ -59,8 +59,12 @@ typedef enum hw_resource Resource;
 /** Enum of all resources */
 enum hw_resource {
 #define X(res_name) R_##res_name,
+    // GPIO are at the beginning, because some units use the constants in their config to represent
+    // selected pins and those must not change with adding more stuff to the main list
     XX_RESOURCES_GPIO
+    // EXTIs (same like GPIOs) have dynamically generated labels to save rom space. Must be contiguous.
     XX_RESOURCES_EXTI
+    // All the rest ...
     XX_RESOURCES
 #undef X
     R_NONE,