From 14b747019236d1417d3ef9bc885ec777dc26d35f Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Tue, 9 Jan 2018 15:51:12 +0000
Subject: Added checks related to SPI circular mode.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11243 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/hal_spi.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'os/hal/src')

diff --git a/os/hal/src/hal_spi.c b/os/hal/src/hal_spi.c
index da42b5e1d..64d03e9c1 100644
--- a/os/hal/src/hal_spi.c
+++ b/os/hal/src/hal_spi.c
@@ -324,6 +324,7 @@ void spiAbort(SPIDriver *spip) {
 void spiIgnore(SPIDriver *spip, size_t n) {
 
   osalDbgCheck((spip != NULL) && (n > 0U));
+  osalDbgCheck((spip->config->circular == false) || ((n & 1U) == 0U));
 
   osalSysLock();
   osalDbgAssert(spip->state == SPI_READY, "not ready");
@@ -355,6 +356,7 @@ void spiExchange(SPIDriver *spip, size_t n,
 
   osalDbgCheck((spip != NULL) && (n > 0U) &&
                (rxbuf != NULL) && (txbuf != NULL));
+  osalDbgCheck((spip->config->circular == false) || ((n & 1U) == 0U));
 
   osalSysLock();
   osalDbgAssert(spip->state == SPI_READY, "not ready");
@@ -382,6 +384,7 @@ void spiExchange(SPIDriver *spip, size_t n,
 void spiSend(SPIDriver *spip, size_t n, const void *txbuf) {
 
   osalDbgCheck((spip != NULL) && (n > 0U) && (txbuf != NULL));
+  osalDbgCheck((spip->config->circular == false) || ((n & 1U) == 0U));
 
   osalSysLock();
   osalDbgAssert(spip->state == SPI_READY, "not ready");
@@ -409,6 +412,7 @@ void spiSend(SPIDriver *spip, size_t n, const void *txbuf) {
 void spiReceive(SPIDriver *spip, size_t n, void *rxbuf) {
 
   osalDbgCheck((spip != NULL) && (n > 0U) && (rxbuf != NULL));
+  osalDbgCheck((spip->config->circular == false) || ((n & 1U) == 0U));
 
   osalSysLock();
   osalDbgAssert(spip->state == SPI_READY, "not ready");
-- 
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