sdio_example: fix meaningless print in host, make shared reg access more readable in slave

examples/peripherals/sdio/host/main/app_main.c

@@ -416,7 +416,7 @@ void job_write_reg(essl_handle_t handle, int value)
     }
 
     ESP_LOGI(TAG, "read registers:");
-    ESP_LOG_BUFFER_HEXDUMP(TAG, reg_read, 64, ESP_LOG_INFO);
+    ESP_LOG_BUFFER_HEXDUMP(TAG, reg_read, 60, ESP_LOG_INFO);
 }
 
 //the slave only load 16 buffers a time

examples/peripherals/sdio/slave/main/app_main.c

@@ -62,6 +62,9 @@
 
 #define EV_STR(s) "================ "s" ================"
 
+//skip interrupt regs.
+#define SLAVE_ADDR(i)   ((i) >= 28? (i) + 4: (i))
+
 typedef enum {
     JOB_IDLE = 0,
     JOB_RESET = 1,
@@ -123,19 +126,15 @@ static esp_err_t task_write_reg(void)
 {
     //the host write REG1, the slave should write its registers according to value of REG1
     uint8_t read = sdio_slave_read_reg(1);
-    for (int i = 0; i < 64; i++) {
-        //skip interrupt regs.
-        if (i >= 28 && i <= 31) continue;
-        sdio_slave_write_reg(i, read+3*i);
+    for (int i = 0; i < 60; i++) {
+        sdio_slave_write_reg(SLAVE_ADDR(i), read + 3*i);
     }
-    uint8_t reg[64] = {0};
-    for (int i = 0; i < 64; i++) {
-        //skip interrupt regs.
-        if (i >= 28 && i <= 31) continue;
-        reg[i] = sdio_slave_read_reg(i);
+    uint8_t reg[60] = {0};
+    for (int i = 0; i < 60; i++) {
+        reg[i] = sdio_slave_read_reg(SLAVE_ADDR(i));
     }
     ESP_LOGI(TAG, "write regs:");
-    ESP_LOG_BUFFER_HEXDUMP(TAG, reg, 64, ESP_LOG_INFO);
+    ESP_LOG_BUFFER_HEXDUMP(TAG, reg, 60, ESP_LOG_INFO);
     return ESP_OK;
 }