Add support for libopencm3 (STM32F1)

4 files changed, 40 insertions, 0 deletions

diff --git a/irmp.c b/irmp.c
index 150d69f..f95410b 100644
--- a/irmp.c
+++ b/irmp.c
@@ -2189,6 +2189,15 @@ irmp_init (void)
 #  endif

     GPIO_Init(IRMP_PORT, &GPIO_InitStructure);

 

+#elif defined (ARM_OPENCM3)                                             // STM32 with libopencm3

+

+    /* GPIOx clock enable */

+    rcc_periph_clock_enable(IRMP_PORT_RCC);

+

+    /* GPIO Configuration */

+	 gpio_set_mode(IRMP_PORT, GPIO_MODE_INPUT,

+         GPIO_CNF_INPUT_FLOAT, 1<<IRMP_BIT);

+

 #elif defined(STELLARIS_ARM_CORTEX_M4)

     // Enable the GPIO port

     ROM_SysCtlPeripheralEnable(IRMP_PORT_PERIPH);

diff --git a/irmp.h b/irmp.h
index ded7e80..53e16c7 100644
--- a/irmp.h
+++ b/irmp.h
@@ -63,6 +63,17 @@
 #    warning The STM32 port of IRMP uses the ST standard peripheral drivers which are not enabled in your build configuration.

 #  endif

 

+#elif defined (ARM_OPENCM3)

+#  define _CONCAT(a,b)                          a##b

+#  define CONCAT(a,b)                           _CONCAT(a,b)

+#  define IRMP_PORT                             CONCAT(GPIO, IRMP_PORT_LETTER)

+#  define IRMP_PORT_RCC                       	CONCAT(RCC_GPIO, IRMP_PORT_LETTER)

+

+#  define IRMP_BIT                              IRMP_BIT_NUMBER

+#  define IRMP_PIN                              IRMP_PORT   // for use with input(x) below

+#  define input(x)                              ((GPIO_IDR(IRMP_PORT) & (1<<IRMP_BIT)) != 0)

+//#  define input(x)                              (BBIO_PERIPH(IRMP_PORT+IDR, IRMP_BIT))

+

 #elif defined (STELLARIS_ARM_CORTEX_M4)

 #  define _CONCAT(a,b)                          a##b

 #  define CONCAT(a,b)                           _CONCAT(a,b)

diff --git a/irmpconfig.h b/irmpconfig.h
index 245129f..75d9834 100644
--- a/irmpconfig.h
+++ b/irmpconfig.h
@@ -137,6 +137,14 @@
 #  define IRMP_BIT_NUMBER                       13

 

 /*---------------------------------------------------------------------------------------------------------------------------------------------------

+ * Change hardware pin here for ARM STM32 with libopencm3

+ *---------------------------------------------------------------------------------------------------------------------------------------------------

+ */

+#elif defined (ARM_OPENCM3)                                             // use C13 as IR input on STM32

+#  define IRMP_PORT_LETTER                      C

+#  define IRMP_BIT_NUMBER                       13

+

+/*---------------------------------------------------------------------------------------------------------------------------------------------------

  * Change hardware pin here for Stellaris ARM Cortex M4

  *---------------------------------------------------------------------------------------------------------------------------------------------------

  */

diff --git a/irmpsystem.h b/irmpsystem.h
index 25bacb2..e1fbc97 100644
--- a/irmpsystem.h
+++ b/irmpsystem.h
@@ -26,6 +26,9 @@
 #  define PIC_C18

 #elif defined(__PCM__) || defined(__PCB__) || defined(__PCH__)                      // CCS PIC compiler

 #  define PIC_CCS

+#elif defined(STM32F1)                                                              // ARM STM32 with libopencm3

+#  define ARM_OPENCM3

+#  define F_CPU (SysCtlClockGet())

 #elif defined(STM32L1XX_MD) || defined(STM32L1XX_MDP) || defined(STM32L1XX_HD)      // ARM STM32

 #  include <stm32l1xx.h>

 #  define ARM_STM32

@@ -133,6 +136,15 @@ typedef unsigned short                  uint16_t;
 #  define PROGMEM

 #  define memcpy_P                      memcpy

 

+#elif defined(ARM_OPENCM3)

+

+#  include <libopencm3/cm3/nvic.h>

+#  include <libopencm3/stm32/rcc.h>

+#  include <libopencm3/stm32/gpio.h>

+#  include <libopencm3/stm32/timer.h>

+#  define PROGMEM

+#  define memcpy_P                      memcpy

+

 #elif defined(SDCC_STM8)

 

 #  include "stm8s.h"