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-rw-r--r--os/hal/ports/STM32/LLD/USARTv1/serial_lld.h16
-rw-r--r--os/hal/ports/STM32/LLD/USARTv2/serial_lld.c59
-rw-r--r--os/hal/ports/STM32/LLD/USARTv2/serial_lld.h47
3 files changed, 105 insertions, 17 deletions
diff --git a/os/hal/ports/STM32/LLD/USARTv1/serial_lld.h b/os/hal/ports/STM32/LLD/USARTv1/serial_lld.h
index 6923b3b70..420aac708 100644
--- a/os/hal/ports/STM32/LLD/USARTv1/serial_lld.h
+++ b/os/hal/ports/STM32/LLD/USARTv1/serial_lld.h
@@ -42,7 +42,7 @@
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART1) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART1 FALSE
@@ -51,7 +51,7 @@
/**
* @brief USART2 driver enable switch.
* @details If set to @p TRUE the support for USART2 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART2) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART2 FALSE
@@ -60,7 +60,7 @@
/**
* @brief USART3 driver enable switch.
* @details If set to @p TRUE the support for USART3 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART3) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART3 FALSE
@@ -69,7 +69,7 @@
/**
* @brief UART4 driver enable switch.
* @details If set to @p TRUE the support for UART4 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART4) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART4 FALSE
@@ -78,7 +78,7 @@
/**
* @brief UART5 driver enable switch.
* @details If set to @p TRUE the support for UART5 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART5) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART5 FALSE
@@ -87,7 +87,7 @@
/**
* @brief USART6 driver enable switch.
* @details If set to @p TRUE the support for USART6 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART6) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART6 FALSE
@@ -96,7 +96,7 @@
/**
* @brief UART7 driver enable switch.
* @details If set to @p TRUE the support for UART7 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART7) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART7 FALSE
@@ -105,7 +105,7 @@
/**
* @brief UART8 driver enable switch.
* @details If set to @p TRUE the support for UART8 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART8) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART8 FALSE
diff --git a/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c b/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c
index 683df0481..88e05e26e 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv2/serial_lld.c
@@ -98,6 +98,11 @@ SerialDriver SD7;
SerialDriver SD8;
#endif
+/** @brief LPUART1 serial driver identifier.*/
+#if STM32_SERIAL_USE_LPUART1 || defined(__DOXYGEN__)
+SerialDriver LPSD1;
+#endif
+
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
@@ -126,6 +131,13 @@ static void usart_init(SerialDriver *sdp, const SerialConfig *config) {
USART_TypeDef *u = sdp->usart;
/* Baud rate setting.*/
+#if STM32_SERIAL_USE_LPUART1
+ if ( sdp == &LPSD1 )
+ {
+ u->BRR = (uint32_t)( ( (uint64_t)sdp->clock * 256 ) / config->speed);
+ }
+ else
+#endif
u->BRR = (uint32_t)(sdp->clock / config->speed);
/* Note that some bits are enforced.*/
@@ -292,6 +304,14 @@ static void notify8(io_queue_t *qp) {
}
#endif
+#if STM32_SERIAL_USE_LPUART1 || defined(__DOXYGEN__)
+static void notifylp1(io_queue_t *qp) {
+
+ (void)qp;
+ LPUART1->CR1 |= USART_CR1_TXEIE;
+}
+#endif
+
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
@@ -482,6 +502,25 @@ OSAL_IRQ_HANDLER(STM32_UART8_HANDLER) {
}
#endif
+#if STM32_SERIAL_USE_LPUART1 || defined(__DOXYGEN__)
+#if !defined(STM32_LPUART1_HANDLER)
+#error "STM32_LPUART1_HANDLER not defined"
+#endif
+/**
+ * @brief LPUART1 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_LPUART1_HANDLER) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ serve_interrupt(&LPSD1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -565,6 +604,15 @@ void sd_lld_init(void) {
#endif
#endif
+#if STM32_SERIAL_USE_LPUART1
+ sdObjectInit(&LPSD1, NULL, notifylp1);
+ LPSD1.usart = LPUART1;
+ LPSD1.clock = STM32_LPUART1CLK;
+#if defined(STM32_LPUART1_NUMBER)
+ nvicEnableVector(STM32_LPUART1_NUMBER, STM32_SERIAL_LPUART1_PRIORITY);
+#endif
+#endif
+
#if STM32_SERIAL_USE_USART3 || STM32_SERIAL_USE_UART4 || \
STM32_SERIAL_USE_UART5 || STM32_SERIAL_USE_USART6 || \
STM32_SERIAL_USE_UART7 || STM32_SERIAL_USE_UART8 || defined(__DOXYGEN__)
@@ -630,6 +678,11 @@ void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
rccEnableUART8(FALSE);
}
#endif
+#if STM32_SERIAL_USE_LPUART1
+ if (&LPSD1 == sdp) {
+ rccEnableLPUART1(FALSE);
+ }
+#endif
}
usart_init(sdp, config);
}
@@ -697,6 +750,12 @@ void sd_lld_stop(SerialDriver *sdp) {
return;
}
#endif
+#if STM32_SERIAL_USE_LPUART1
+ if (&LPSD1 == sdp) {
+ rccDisableLPUART1(FALSE);
+ return;
+ }
+#endif
}
}
diff --git a/os/hal/ports/STM32/LLD/USARTv2/serial_lld.h b/os/hal/ports/STM32/LLD/USARTv2/serial_lld.h
index ba3d9ed94..61e70f112 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/serial_lld.h
+++ b/os/hal/ports/STM32/LLD/USARTv2/serial_lld.h
@@ -42,7 +42,7 @@
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART1) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART1 FALSE
@@ -51,7 +51,7 @@
/**
* @brief USART2 driver enable switch.
* @details If set to @p TRUE the support for USART2 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART2) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART2 FALSE
@@ -60,7 +60,7 @@
/**
* @brief USART3 driver enable switch.
* @details If set to @p TRUE the support for USART3 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART3) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART3 FALSE
@@ -69,7 +69,7 @@
/**
* @brief UART4 driver enable switch.
* @details If set to @p TRUE the support for UART4 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART4) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART4 FALSE
@@ -78,7 +78,7 @@
/**
* @brief UART5 driver enable switch.
* @details If set to @p TRUE the support for UART5 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART5) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART5 FALSE
@@ -87,7 +87,7 @@
/**
* @brief USART6 driver enable switch.
* @details If set to @p TRUE the support for USART6 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_USART6) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_USART6 FALSE
@@ -96,7 +96,7 @@
/**
* @brief UART7 driver enable switch.
* @details If set to @p TRUE the support for UART7 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART7) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART7 FALSE
@@ -105,13 +105,22 @@
/**
* @brief UART8 driver enable switch.
* @details If set to @p TRUE the support for UART8 is included.
- * @note The default is @p TRUE.
+ * @note The default is @p FALSE.
*/
#if !defined(STM32_SERIAL_USE_UART8) || defined(__DOXYGEN__)
#define STM32_SERIAL_USE_UART8 FALSE
#endif
/**
+ * @brief LPUART1 driver enable switch.
+ * @details If set to @p TRUE the support for LPUART is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_SERIAL_USE_LPUART1) || defined(__DOXYGEN__)
+#define STM32_SERIAL_USE_LPUART1 FALSE
+#endif
+
+/**
* @brief USART1 interrupt priority level setting.
*/
#if !defined(STM32_SERIAL_USART1_PRIORITY) || defined(__DOXYGEN__)
@@ -174,6 +183,13 @@
#if !defined(STM32_SERIAL_UART8_PRIORITY) || defined(__DOXYGEN__)
#define STM32_SERIAL_UART8_PRIORITY 12
#endif
+
+/**
+ * @brief LPUART1 interrupt priority level setting.
+ */
+#if !defined(STM32_SERIAL_LPUART1_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_SERIAL_LPUART1_PRIORITY 12
+#endif
/** @} */
/*===========================================================================*/
@@ -212,10 +228,15 @@
#error "UART8 not present in the selected device"
#endif
+#if STM32_SERIAL_USE_LPUART1 && !STM32_HAS_LPUART1
+#error "LPUART1 not present in the selected device"
+#endif
+
#if !STM32_SERIAL_USE_USART1 && !STM32_SERIAL_USE_USART2 && \
!STM32_SERIAL_USE_USART3 && !STM32_SERIAL_USE_UART4 && \
!STM32_SERIAL_USE_UART5 && !STM32_SERIAL_USE_USART6 && \
- !STM32_SERIAL_USE_UART7 && !STM32_SERIAL_USE_UART8
+ !STM32_SERIAL_USE_UART7 && !STM32_SERIAL_USE_UART8 && \
+ !STM32_SERIAL_USE_LPUART1
#error "SERIAL driver activated but no USART/UART peripheral assigned"
#endif
@@ -259,6 +280,11 @@
#error "Invalid IRQ priority assigned to UART8"
#endif
+#if STM32_SERIAL_USE_LPUART1 && \
+ !OSAL_IRQ_IS_VALID_PRIORITY(STM32_SERIAL_LPUART1_PRIORITY)
+#error "Invalid IRQ priority assigned to LPUART1"
+#endif
+
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
@@ -352,6 +378,9 @@ extern SerialDriver SD7;
#if STM32_SERIAL_USE_UART8 && !defined(__DOXYGEN__)
extern SerialDriver SD8;
#endif
+#if STM32_SERIAL_USE_LPUART1 && !defined(__DOXYGEN__)
+extern SerialDriver LPSD1;
+#endif
#ifdef __cplusplus
extern "C" {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 11:31:26 +0000