Added testing SW in folder test_sw.

[fpga/rpi-motor-control.git] / pmsm-control / test_sw / rpin.h

diff --git a/pmsm-control/test_sw/rpin.h b/pmsm-control/test_sw/rpin.h
new file mode 100644 (file)
index 0000000..e43408f
--- /dev/null
+++ b/pmsm-control/test_sw/rpin.h
@@ -0,0 +1,109 @@
+/**
+ * \brief Interface pro ovladani pinu na RPi.
+ * \file rpin.h
+ * \date March 21, 2015
+ * \author Martin Prudek
+ *
+ *     Deklaruje nativni funkce pro ovladani pinu a pwm na RPi.
+ *     Implementace  "rpi_hw.c"
+ *
+ *
+ */
+
+#ifndef RPIN_H_
+#define RPIN_H_
+
+
+/* Pin modes */
+#define        INPUT                    0
+#define        OUTPUT                   1
+#define        PWM_OUTPUT               2
+#define        GPIO_CLOCK               3
+#define        FSEL_INPT               0b000   /*0*/
+#define        FSEL_OUTP               0b001   /*1*/
+#define        FSEL_ALT0               0b100   /*4*/
+#define        FSEL_ALT1               0b101   /*5*/
+#define        FSEL_ALT2               0b110   /*6*/
+#define        FSEL_ALT3               0b111   /*7*/
+#define        FSEL_ALT4               0b011   /*3*/
+#define        FSEL_ALT5               0b010   /*2*/
+
+/* Logic levels */
+#define        LOW                      0
+#define        HIGH                     1
+
+/* Clk sources */
+enum ClkSource{
+       PLLD_500_MHZ=0,         /*500 MHz*/
+       OSC_19_MHZ_2=1,         /*19.2 MHz*/
+       HDMI_216_MHZ=2,         /*216 MHz*/
+       PLLC_1000_MHZ=3         /*1000 MHz, changes with overclock*/
+};
+
+/**
+ * \brief inicializuje pouziti GPIO pinu...
+ * (namapuje registry DMA)
+ */
+extern int initialise (void);
+
+/**
+ * \brief
+ *     Select the native "balanced" mode, or standard mark:space mode
+ */
+extern void pwmSetMode (int);
+
+/**
+ * \brief
+ *     Set the PWM range register. We set both range registers to the same
+ *     value.
+ */
+extern void pwmSetRange (unsigned int);
+
+/**
+ * \brief
+ *     Set/Change the PWM clock.
+ *     Not tested.
+ */
+extern void pwmSetClock (int);
+
+/**
+ * \brief nastavi mod dnaeho pinu
+ * \param pin [in] cislo GPIO pinu
+ * \param mode [in] mod pinu -> in/out/altx
+ *
+ * Nastavi pin jako vstupni / vystupni, pripadne nastavi slternativni funkci.
+ */
+extern void pinMode (int, int);
+
+/**
+ * \brief Precte logickou uroven daneho pinu 0/1
+ * v pripade neicnicializovaneho GPIO nebo neexistence pinu vrati 0
+ * \param pin [in] cislo GPIO pinu
+ */
+extern int digitalRead (int);
+
+/**
+ * \brief zapise logickou uroven na dany pin
+ * \param pin [in] cislo GPIO pinu
+ * \param value [in] logicka uroven 0/1
+ */
+extern void digitalWrite (int, int);
+
+/**
+ * \brief nastavi hodnotu pwm
+ * \param pin[in] cislo GPIO PWM pinu
+ * \param value[int] sirka plneni  pwm (max=1024)
+ */
+extern void pwmWrite (int, int);
+
+/**
+ * \brief A different approach to set gpio mode.
+ */
+extern void gpioSetMode(unsigned gpio_n, unsigned mode);
+
+/**
+ * \brief Initialize gpclk.
+ */
+extern int initClock(enum ClkSource,int, int);
+
+#endif /*RPIN_H_*/