Add Meson build files.

[pistorm] / gpio / ps_protocol.c

diff --git a/gpio/ps_protocol.c b/gpio/ps_protocol.c
index 92ec2ffcfdf041466e5dd3f78ad32c425820d1d4..4fb4ee6a677283f60592da01c8b42178fb656439 100644 (file)
--- a/gpio/ps_protocol.c
+++ b/gpio/ps_protocol.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 /*
   Original Copyright 2020 Claude Schwarz
   Code reorganized and rewritten by
@@ -111,8 +113,7 @@ void ps_write_16(unsigned int address, unsigned int data) {
   *(gpio + 1) = GPFSEL1_INPUT;
   *(gpio + 2) = GPFSEL2_INPUT;
 
-  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS))
-    ;
+  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS)) {}
 }
 
 void ps_write_8(unsigned int address, unsigned int data) {
@@ -144,8 +145,7 @@ void ps_write_8(unsigned int address, unsigned int data) {
   *(gpio + 1) = GPFSEL1_INPUT;
   *(gpio + 2) = GPFSEL2_INPUT;
 
-  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS))
-    ;
+  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS)) {}
 }
 
 void ps_write_32(unsigned int address, unsigned int value) {
@@ -175,9 +175,7 @@ unsigned int ps_read_16(unsigned int address) {
   *(gpio + 7) = (REG_DATA << PIN_A0);
   *(gpio + 7) = 1 << PIN_RD;
 
-  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS))
-    ;
-
+  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS)) {}
   unsigned int value = *(gpio + 13);
 
   *(gpio + 10) = 0xffffec;
@@ -207,9 +205,7 @@ unsigned int ps_read_8(unsigned int address) {
   *(gpio + 7) = (REG_DATA << PIN_A0);
   *(gpio + 7) = 1 << PIN_RD;
 
-  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS))
-    ;
-
+  while (*(gpio + 13) & (1 << PIN_TXN_IN_PROGRESS)) {}
   unsigned int value = *(gpio + 13);
 
   *(gpio + 10) = 0xffffec;