fixed rmt receive data pointer position. (#2353)

hancheol-cho · me-no-dev · commit 8cbc60edbc35 · 2019-01-22T17:29:32.000+08:00
diff --git a/cores/esp32/esp32-hal-rmt.c b/cores/esp32/esp32-hal-rmt.c
@@ -637,13 +637,13 @@ static void IRAM_ATTR _rmt_isr(void* arg)
                             data += MAX_DATA_PER_CHANNEL*(g_rmt_objects[ch].buffers);
                         }
                     }
+                    uint32_t *data_received = data;
                     for (i = 0; i < g_rmt_objects[ch].data_size; i++ ) {
                         *data++ = RMTMEM.chan[ch].data32[i].val;
                     }
                     if (g_rmt_objects[ch].cb) {
-                        // actually received data ptr
-                        uint32_t * data = g_rmt_objects[ch].data_ptr;
-                        (g_rmt_objects[ch].cb)(data, _rmt_get_mem_len(ch));
+                        // actually received data ptr                        
+                        (g_rmt_objects[ch].cb)(data_received, _rmt_get_mem_len(ch));
 
                         // restart the reception
                         RMT.conf_ch[ch].conf1.mem_owner = 1;

Original file line number	Diff line number	Diff line change
`@@ -637,13 +637,13 @@ static void IRAM_ATTR _rmt_isr(void* arg)`
`637`	`637`	`data += MAX_DATA_PER_CHANNEL*(g_rmt_objects[ch].buffers);`
`638`	`638`	`}`
`639`	`639`	`}`
	`640`	`+ uint32_t *data_received = data;`
`640`	`641`	`for (i = 0; i < g_rmt_objects[ch].data_size; i++ ) {`
`641`	`642`	`*data++ = RMTMEM.chan[ch].data32[i].val;`
`642`	`643`	`}`
`643`	`644`	`if (g_rmt_objects[ch].cb) {`
`644`		`- // actually received data ptr`
`645`		`- uint32_t * data = g_rmt_objects[ch].data_ptr;`
`646`		`- (g_rmt_objects[ch].cb)(data, _rmt_get_mem_len(ch));`
	`645`	`+ // actually received data ptr`
	`646`	`+ (g_rmt_objects[ch].cb)(data_received, _rmt_get_mem_len(ch));`
`647`	`647`
`648`	`648`	`// restart the reception`
`649`	`649`	`RMT.conf_ch[ch].conf1.mem_owner = 1;`