Replacement for regular GPIO (DigitalIn, DigitalOut, DigitalInOut) classes which has superior speed.

Fork of FastIO by Erik -

Files at this revision

API Documentation at this revision

Comitter:
davidr99
Date:
Tue Oct 24 03:00:41 2017 +0000
Parent:
22:45b32f07e790
Commit message:
Changed Ticker to only send 1 line at a time but interupt every 15us

Changed in this revision

Devices/FastIO_STM32F767ZI.h Show annotated file Show diff for this revision Revisions of this file
FastIO.h Show annotated file Show diff for this revision Revisions of this file
diff -r 45b32f07e790 -r 929068181dea Devices/FastIO_STM32F767ZI.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Devices/FastIO_STM32F767ZI.h	Tue Oct 24 03:00:41 2017 +0000
@@ -0,0 +1,27 @@
+#if defined(TARGET_STM32F767ZI)
+
+#include "mbed.h"
+#include "pinmap.h"
+
+typedef struct {
+    DigitalInOut *_pin;
+    uint32_t mask;
+} fastio_vars;
+
+#define PINMASK             (1 << STM_PIN(pin))
+#define PINMASK_CLR         ((1<<16) << STM_PIN(pin))
+#define PORT                ((GPIO_TypeDef *)(GPIOA_BASE + 0x0400 * STM_PORT(pin)))
+
+#define INIT_PIN            this->container._pin = new DigitalInOut(pin); container.mask = PINMASK
+#define DESTROY_PIN     
+
+#define SET_DIR_INPUT       this->container._pin->input()
+#define SET_DIR_OUTPUT      this->container._pin->output()
+#define SET_MODE(pull)      this->container._pin->mode(pull)
+
+#define WRITE_PIN_SET       (PORT->BSRR = PINMASK)
+#define WRITE_PIN_CLR       (PORT->BSRR = PINMASK_CLR)
+
+#define READ_PIN            ((PORT->IDR & container.mask) ? 1 : 0)
+
+#endif
diff -r 45b32f07e790 -r 929068181dea FastIO.h
--- a/FastIO.h	Tue Sep 20 20:41:42 2016 +0000
+++ b/FastIO.h	Tue Oct 24 03:00:41 2017 +0000
@@ -14,6 +14,7 @@
 #include "FastIO_EFM32.h"
 #include "FastIO_LPC43XX.h"
 #include "FastIO_NRF51822.h"
+#include "FastIO_STM32F767ZI.h"
 
 #ifndef INIT_PIN
 #warning Target is not supported by FastIO