-last_info option: skip model transfer if last updated model buffer and the...

-last_info option: skip model transfer if last updated model buffer and the current model buffer overlap exactly·

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 ## [Unreleased]
 ### Added
 - add -vv flag for extra verbose output
+###Changed
+- -last_info option: skip model transfer if last updated model buffer and the current model buffer overlap exactly
 
 ## [0.11] - 26-04-2023
 ### Added

lib/cmp_rdcu.c

@@ -509,6 +509,10 @@ int rdcu_compress_data_parallel(const struct cmp_cfg *cfg,
 
 	/* read model and write model in parallel */
 	if (cfg->model_buf && model_mode_is_used(cfg->cmp_mode) && model_mode_is_used(last_info->cmp_mode_used)) {
+		if (cfg->rdcu_model_adr == last_info->rdcu_new_model_adr_used &&
+		    cfg->samples == last_info->samples_used) {
+			printf("The last updated model buffer and the current model buffer overlap exactly in the SRAM of the RDCU. Skip model transfer.\n");
+		} else {
 			uint32_t new_model_size_4byte;
 
 			/* set the model in the local mirror... */
@@ -530,6 +534,7 @@ int rdcu_compress_data_parallel(const struct cmp_cfg *cfg,
 						   new_model_size_4byte) < 0)
 					return -1;
 			}
+		}
 	/* write model */
 	} else if (cfg->model_buf && model_mode_is_used(cfg->cmp_mode)) {
 		/* set the model in the local mirror... */

lib/rdcu_ctrl.c

@@ -2439,8 +2439,11 @@ int rdcu_sync_sram_mirror_parallel(uint32_t rx_addr, uint32_t rx_size,
 		return -1;
 
 	/* check buffer overlap */
-	if (rx_addr < tx_addr+tx_size && rx_addr+rx_size > tx_addr)
+	if (rx_addr < tx_addr+tx_size && rx_addr+rx_size > tx_addr) {
+		printf("Error: The two parallel transferring buffers overlap. Read buffer: 0x%x size: %u. Write buffer: 0x%x size: %u.\n",
+			rx_addr, rx_size, tx_addr, tx_size);
 		return -1;
+	}
 
 
 	rx_bytes = rx_size;

meson.build

 project('cmp_tool', 'c',
-  version : '0.11',
+  version : '0.11-b1',
   meson_version : '>= 0.56',
   license : 'GPL-2.0',
   default_options : ['warning_level=3', 'c_std=gnu99']