stm32_i2c: fix sending large data over i2c

To trigger TC interrupt NBYTES needs to be set before RELOAD is disabled similar to previous commitdone on stm32h7 510b622
apache · Dec 19, 2024 · a7869bb · a7869bb
1 parent 919cb73
commit a7869bb
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Showing 5 changed files with 10 additions and 10 deletions.
diff --git a/arch/arm/src/stm32/stm32_i2c_v2.c b/arch/arm/src/stm32/stm32_i2c_v2.c
@@ -1984,9 +1984,9 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
               i2cinfo("TCR: DISABLE RELOAD: NBYTES = dcnt = %i msgc = %i\n",
                       priv->dcnt, priv->msgc);
 
-              stm32_i2c_disable_reload(priv);
-
               stm32_i2c_set_bytes_to_transfer(priv, priv->dcnt);
+
+              stm32_i2c_disable_reload(priv);
             }
 
           i2cinfo("TCR: EXIT dcnt = %i msgc = %i status 0x%08" PRIx32 "\n",

diff --git a/arch/arm/src/stm32f0l0g0/stm32_i2c.c b/arch/arm/src/stm32f0l0g0/stm32_i2c.c
@@ -1984,9 +1984,9 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
               i2cinfo("TCR: DISABLE RELOAD: NBYTES = dcnt = %i msgc = %i\n",
                       priv->dcnt, priv->msgc);
 
-              stm32_i2c_disable_reload(priv);
-
               stm32_i2c_set_bytes_to_transfer(priv, priv->dcnt);
+
+              stm32_i2c_disable_reload(priv);
             }
 
           i2cinfo("TCR: EXIT dcnt = %i msgc = %i status 0x%08" PRIx32 "\n",

diff --git a/arch/arm/src/stm32f7/stm32_i2c.c b/arch/arm/src/stm32f7/stm32_i2c.c
@@ -2018,9 +2018,9 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
               i2cinfo("TCR: DISABLE RELOAD: NBYTES = dcnt = %i msgc = %i\n",
                       priv->dcnt, priv->msgc);
 
-              stm32_i2c_disable_reload(priv);
-
               stm32_i2c_set_bytes_to_transfer(priv, priv->dcnt);
+
+              stm32_i2c_disable_reload(priv);
             }
 
           i2cinfo("TCR: EXIT dcnt = %i msgc = %i status 0x%08" PRIx32 "\n",

diff --git a/arch/arm/src/stm32h5/stm32_i2c.c b/arch/arm/src/stm32h5/stm32_i2c.c
@@ -2176,9 +2176,9 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
                * the transfer.
                */
 
-              stm32_i2c_enable_reload(priv);
-
               stm32_i2c_set_bytes_to_transfer(priv, 255);
+
+              stm32_i2c_enable_reload(priv);
             }
           else
             {

diff --git a/arch/arm/src/stm32u5/stm32_i2c.c b/arch/arm/src/stm32u5/stm32_i2c.c
@@ -2223,9 +2223,9 @@ static int stm32_i2c_isr_process(struct stm32_i2c_priv_s *priv)
               i2cinfo("TCR: DISABLE RELOAD: NBYTES = dcnt = %i msgc = %i\n",
                       priv->dcnt, priv->msgc);
 
-              stm32_i2c_disable_reload(priv);
-
               stm32_i2c_set_bytes_to_transfer(priv, priv->dcnt);
+
+              stm32_i2c_disable_reload(priv);
             }
 
           i2cinfo("TCR: EXIT dcnt = %i msgc = %i status 0x%08" PRIx32 "\n",