Fix memory issues of "display show"

Author: bpibit

k210-freertos/platform/sdk/kendryte-freertos-sdk/lib/arch/include/iomem.h

@@ -25,7 +25,8 @@ extern "C"
 #include <stdint.h>
 #include <stddef.h>
 
-#define FIX_CACHE 0  // LoBo
+//#define FIX_CACHE 0  // LoBo
+#define FIX_CACHE 1  // TS_
 #define IOMEM_BLOCK_SIZE 256
 
 void iomem_free(void *paddr) ;

k210-freertos/platform/sdk/kendryte-freertos-sdk/lib/bsp/device/dmac.cpp

@@ -174,8 +174,8 @@ class k_dma_driver : public dma_driver, public static_object, public exclusive_o
     {
         C_COMMON_ENTRY;
 #if FIX_CACHE
-        //iomem_free(session_.alloc_mem);
-        //session_.alloc_mem = NULL;
+        iomem_free(session_.alloc_mem);
+        session_.alloc_mem = NULL;
 #else
         free(session_.alloc_mem);
         session_.alloc_mem = NULL;
@@ -188,6 +188,7 @@ class k_dma_driver : public dma_driver, public static_object, public exclusive_o
 
         src_inc = !src_inc;
         dest_inc = !dest_inc;
+        // TS. LOGV("[DMAC]", "count is 0x%X .",(unsigned int) count);
         configASSERT(count > 0 && count <= 0x3fffff);
         configASSERT((dmac.chen & (1 << channel_)) == 0);
 
@@ -284,10 +285,10 @@ class k_dma_driver : public dma_driver, public static_object, public exclusive_o
         else
         {
 #if FIX_CACHE
-            //iomem_free(session_.dest_malloc);
-            //iomem_free(session_.src_malloc);
-            //session_.dest_malloc = NULL;
-            //session_.src_malloc = NULL;
+            iomem_free(session_.dest_malloc);
+            iomem_free(session_.src_malloc);
+            session_.dest_malloc = NULL;
+            session_.src_malloc = NULL;
             uint8_t *src_io = (uint8_t *)src;
             uint8_t *dest_io = (uint8_t *)dest;
             if(is_memory_cache((uintptr_t)src))
@@ -401,12 +402,12 @@ class k_dma_driver : public dma_driver, public static_object, public exclusive_o
     {
         C_COMMON_ENTRY;
 #if FIX_CACHE
-        //iomem_free(session_.alloc_mem);
+        iomem_free(session_.alloc_mem);
 #else
-        //free(session_.alloc_mem);
+        free(session_.alloc_mem);
 #endif
 
-        //session_.alloc_mem = NULL;
+        session_.alloc_mem = NULL;
         if (count == 0)
         {
             if (completion_event) xSemaphoreGive(completion_event);

k210-freertos/platform/sdk/kendryte-freertos-sdk/lib/bsp/device/dvp.cpp

@@ -138,7 +138,7 @@ class k_dvp_driver : public dvp_driver, public static_object, public exclusive_o
     {
         configASSERT(index < 2);
 #if FIX_CACHE
-        configASSERT(!is_memory_cache((uintptr_t)output_buffer));
+        //configASSERT(!is_memory_cache((uintptr_t)output_buffer));
 #endif
         if (index == 0)
         {

k210-freertos/platform/sdk/kendryte-freertos-sdk/lib/bsp/device/spi.cpp

@@ -1625,13 +1625,14 @@ int k_spi_driver::write(k_spi_device_driver &device, gsl::span<const uint8_t> bu
         spi_.ssienr = 0x01;
         write_inst_addr(spi_.dr, &buffer_write, device.inst_width_);
         write_inst_addr(spi_.dr, &buffer_write, device.addr_width_);
+        //LOGV(TAG, "len = 0x%X, width = 0x%X, tx_frames = 0x%X)", (unsigned int)tx_buffer_len, (unsigned int)device.buffer_width_, (unsigned int) tx_frames);
         SemaphoreHandle_t event_write = xSemaphoreCreateBinary();
 
         dma_transmit_async(dma_write, buffer_write, &spi_.dr[0], 1, 0, device.buffer_width_, tx_frames, 4, event_write);
         spi_.ser = device.chip_select_mask_;
         int dma_ret = _wait_DMA_transfer(event_write, NULL, dma_write, 0, SPI_DMA_BLOCK_TIME);
         configASSERT(dma_ret >= 0);
-        if (dma_ret < 1) ret = -1;
+        //if (dma_ret < 1) ret = -1; // TS. Not work anymore !
 
         dma_close(dma_write);
         vSemaphoreDelete(event_write);
@@ -1811,6 +1812,7 @@ void k_spi_driver::fill(k_spi_device_driver &device, uint32_t instruction, uint3
     buffer = (const uint8_t *)&address;
     write_inst_addr(spi_.dr, &buffer, device.addr_width_);
 
+    LOGV(TAG, ":fill count = 0x%X, value = 0x%X)", (unsigned int) count, (unsigned int)value);
     SemaphoreHandle_t event_write = xSemaphoreCreateBinary();
     dma_transmit_async(dma_write, &value, &spi_.dr[0], 0, 0, sizeof(uint32_t), count, 4, event_write);