Experimental SPI RASPBERRYPI update

src/lt_l1.c

@@ -46,7 +46,7 @@ lt_ret_t lt_l1_read(lt_handle_t *h, const uint32_t max_len, const uint32_t timeo
         // store the byte which was initally in l2_buff
         uint8_t store_byte = h->l2_buff[0];
         // put raspberry command byte there
-        h->l2_buff[0] = PUT READ BYTE HERE;
+        h->l2_buff[0] = 0x00;
         // do transmit of that one command
         if (lt_l1_spi_transfer(h, 0, 1, timeout) != LT_OK)
         {
@@ -135,7 +135,20 @@ lt_ret_t lt_l1_write(lt_handle_t *h, const uint16_t len, const uint32_t timeout)
 #endif
 
     lt_l1_spi_csn_low(h);
-
+#ifdef EXPERIMENTAL_SPI_RASPBERRYPI
+    // store the byte which was initally in l2_buff
+    uint8_t store_byte = h->l2_buff[0];
+    // put raspberry command byte there
+    h->l2_buff[0] = 0x01;
+    // do transmit of that one command
+    if (lt_l1_spi_transfer(h, 0, 1, timeout) != LT_OK)
+    {
+        lt_l1_spi_csn_high(h);
+        return LT_L1_SPI_ERROR;
+    }
+    // put previous byte back to buffer and continue as usually
+    h->l2_buff[0] = store_byte;
+#endif
     if (lt_l1_spi_transfer(h, 0, len, timeout) != LT_OK)
     {
         lt_l1_spi_csn_high(h);