From 00dc4f263a2b5e48044405d4a2e9903d944748c6 Mon Sep 17 00:00:00 2001
From: Romain Goyet <romain@goyet.com>
Date: Sun, 3 May 2015 12:34:49 +0200
Subject: [PATCH] GPIO BSRR registers

---
 arch/stm32f429/registers/gpio.c |  6 +++++
 arch/stm32f429/registers/gpio.h | 42 +++++++++++++++++++++++++++++++--
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/arch/stm32f429/registers/gpio.c b/arch/stm32f429/registers/gpio.c
index 6e00ef5a2..9540f91d8 100644
--- a/arch/stm32f429/registers/gpio.c
+++ b/arch/stm32f429/registers/gpio.c
@@ -18,6 +18,7 @@
 #define GPIO_PUPDR_OFFSET   0x0C
 #define GPIO_IDR_OFFSET     0x10
 #define GPIO_ODR_OFFSET     0x14
+#define GPIO_BSRR_OFFSET    0x18
 
 char * GPIO_REGISTER_ADDRESS(GPIO_t gpio, int registerOffset) {
   char * gpioBaseAddress[11] = {
@@ -52,3 +53,8 @@ GPIO_IDR_t * GPIO_IDR(GPIO_t gpio) {
 GPIO_ODR_t * GPIO_ODR(GPIO_t gpio) {
   return (GPIO_ODR_t *)GPIO_REGISTER_ADDRESS(gpio, GPIO_ODR_OFFSET);
 }
+
+GPIO_BSRR_t * GPIO_BSRR(GPIO_t gpio) {
+  return (GPIO_BSRR_t *)GPIO_REGISTER_ADDRESS(gpio, GPIO_BSRR_OFFSET);
+}
+
diff --git a/arch/stm32f429/registers/gpio.h b/arch/stm32f429/registers/gpio.h
index df34209c9..41227aa62 100644
--- a/arch/stm32f429/registers/gpio.h
+++ b/arch/stm32f429/registers/gpio.h
@@ -130,7 +130,7 @@ typedef struct {
 
 GPIO_PUPDR_t * GPIO_PUPDR(GPIO_t gpio);
 
-#pragma mark - GPIO input data registers
+#pragma mark - GPIO port input data registers
 
 typedef struct {
   unsigned int IDR0:1;
@@ -154,7 +154,7 @@ typedef struct {
 
 GPIO_IDR_t * GPIO_IDR(GPIO_t gpio);
 
-#pragma mark - GPIO output data registers
+#pragma mark - GPIO port output data registers
 
 typedef struct {
   unsigned int ODR0:1;
@@ -178,3 +178,41 @@ typedef struct {
 
 GPIO_ODR_t * GPIO_ODR(GPIO_t gpio);
 
+#pragma mark - GPIO port bit set/reset registers
+
+typedef struct {
+  unsigned int BS0:1;
+  unsigned int BS1:1;
+  unsigned int BS2:1;
+  unsigned int BS3:1;
+  unsigned int BS4:1;
+  unsigned int BS5:1;
+  unsigned int BS6:1;
+  unsigned int BS7:1;
+  unsigned int BS8:1;
+  unsigned int BS9:1;
+  unsigned int BS10:1;
+  unsigned int BS11:1;
+  unsigned int BS12:1;
+  unsigned int BS13:1;
+  unsigned int BS14:1;
+  unsigned int BS15:1;
+  unsigned int BR0:1;
+  unsigned int BR1:1;
+  unsigned int BR2:1;
+  unsigned int BR3:1;
+  unsigned int BR4:1;
+  unsigned int BR5:1;
+  unsigned int BR6:1;
+  unsigned int BR7:1;
+  unsigned int BR8:1;
+  unsigned int BR9:1;
+  unsigned int BR10:1;
+  unsigned int BR11:1;
+  unsigned int BR12:1;
+  unsigned int BR13:1;
+  unsigned int BR14:1;
+  unsigned int BR15:1;
+} GPIO_BSRR_t;
+
+GPIO_BSRR_t * GPIO_BSRR(GPIO_t gpio);