Merge pull request #14020 from pea-pod/stm-spi-more-bits

0xc0170 · web-flow · commit aef93ca7c94c · 2021-01-15T10:01:28.000Z
Add SPI bitwidths to ST targets where supported
diff --git a/drivers/include/drivers/SPI.h b/drivers/include/drivers/SPI.h
@@ -164,7 +164,7 @@ class SPI : private NonCopyable<SPI> {
 
     /** Configure the data transmission format.
      *
-     *  @param bits Number of bits per SPI frame (4 - 16).
+     *  @param bits Number of bits per SPI frame (4 - 32, target dependent).
      *  @param mode Clock polarity and phase mode (0 - 3).
      *
      * @code
diff --git a/targets/TARGET_STM/TARGET_STM32F0/spi_device.h b/targets/TARGET_STM/TARGET_STM32F0/spi_device.h
@@ -18,4 +18,7 @@
 
 #include "stm32f0xx_ll_spi.h"
 
+// Defines the word length capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32F1/spi_device.h b/targets/TARGET_STM/TARGET_STM32F1/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32f1xx_ll_spi.h"
 
+// Defines the word length capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x00008080)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32F2/spi_device.h b/targets/TARGET_STM/TARGET_STM32F2/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32f2xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x00008080)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32F3/spi_device.h b/targets/TARGET_STM/TARGET_STM32F3/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32f3xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32F4/spi_device.h b/targets/TARGET_STM/TARGET_STM32F4/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32f4xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x00008080)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32F7/spi_device.h b/targets/TARGET_STM/TARGET_STM32F7/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32f7xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32G0/spi_device.h b/targets/TARGET_STM/TARGET_STM32G0/spi_device.h
@@ -17,4 +17,7 @@
 
 #include "stm32g0xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32G4/spi_device.h b/targets/TARGET_STM/TARGET_STM32G4/spi_device.h
@@ -18,4 +18,7 @@
 
 #include "stm32g4xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32H7/spi_device.h b/targets/TARGET_STM/TARGET_STM32H7/spi_device.h
@@ -19,4 +19,7 @@
 #include "stm32h7xx_ll_rcc.h"
 #include "stm32h7xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0xFFFFFFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32L0/spi_device.h b/targets/TARGET_STM/TARGET_STM32L0/spi_device.h
@@ -17,4 +17,7 @@
 
 #include "stm32l0xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x00008080)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32L1/spi_device.h b/targets/TARGET_STM/TARGET_STM32L1/spi_device.h
@@ -32,4 +32,7 @@
 
 #include "stm32l1xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x00008080)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32L4/spi_device.h b/targets/TARGET_STM/TARGET_STM32L4/spi_device.h
@@ -20,4 +20,7 @@
 
 #include "stm32l4xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32L5/spi_device.h b/targets/TARGET_STM/TARGET_STM32L5/spi_device.h
@@ -18,4 +18,7 @@
 
 #include "stm32l5xx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/TARGET_STM32WB/spi_device.h b/targets/TARGET_STM/TARGET_STM32WB/spi_device.h
@@ -20,4 +20,7 @@
 
 #include "stm32wbxx_ll_spi.h"
 
+// Defines the word legnth capability of the device where Nth bit allows for N window size
+#define STM32_SPI_CAPABILITY_WORD_LENGTH (0x0000FFF8)
+
 #endif
diff --git a/targets/TARGET_STM/stm_spi_api.c b/targets/TARGET_STM/stm_spi_api.c

Original file line number	Diff line number	Diff line change
`@@ -164,7 +164,7 @@ class SPI : private NonCopyable<SPI> {`
`164`	`164`
`165`	`165`	`/** Configure the data transmission format.`
`166`	`166`	`*`
`167`		`- * @param bits Number of bits per SPI frame (4 - 16).`
	`167`	`+ * @param bits Number of bits per SPI frame (4 - 32, target dependent).`
`168`	`168`	`* @param mode Clock polarity and phase mode (0 - 3).`
`169`	`169`	`*`
`170`	`170`	`* @code`