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authorPaul Selkirk <paul@psgd.org>2016-05-24 18:13:26 -0400
committerPaul Selkirk <paul@psgd.org>2016-05-24 18:15:07 -0400
commitebe70741a4771698423e4c61939e88d6db66460d (patch)
treebf78c5e845c809e6dff113e0b2e46c94972317f4 /stm-init.h
parent9bb798876768f702c5940dcf67feffc6d0e9a0a4 (diff)
parent6265025f7cd7f606b6da62c7add13a6008500cf7 (diff)
Merge branch 'master' of git.cryptech.is:sw/stm32
Diffstat (limited to 'stm-init.h')
-rw-r--r--stm-init.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/stm-init.h b/stm-init.h
index ed80d01..dd19311 100644
--- a/stm-init.h
+++ b/stm-init.h
@@ -38,6 +38,25 @@
#include "cmsis_os.h"
#include "stm32f4xx_hal.h"
+/* Macros used to make GPIO pin setup (in stm-init.c) easier */
+#define gpio_output(output_port, output_pins, output_level) \
+ /* Configure GPIO pin Output Level */ \
+ HAL_GPIO_WritePin(output_port, output_pins, output_level); \
+ /* Configure pin as output */ \
+ GPIO_InitStruct.Pin = output_pins; \
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; \
+ GPIO_InitStruct.Pull = GPIO_NOPULL; \
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW; \
+ HAL_GPIO_Init(output_port, &GPIO_InitStruct)
+
+#define gpio_input(input_port, input_pin, input_pull) \
+ GPIO_InitStruct.Pin = input_pin; \
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT; \
+ GPIO_InitStruct.Pull = input_pull; \
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW; \
+ HAL_GPIO_Init(input_port, &GPIO_InitStruct)
+
+
extern void stm_init(void);
extern void Error_Handler(void);