Merge branch 'master' of bitbucket.org:Tectu/ugfx

1 files changed, 203 insertions, 0 deletions

diff --git a/boards/addons/gdisp/board_SPFD54124B_stm32f3.h b/boards/addons/gdisp/board_SPFD54124B_stm32f3.h
new file mode 100644
index 00000000..765af495
--- /dev/null
+++ b/boards/addons/gdisp/board_SPFD54124B_stm32f3.h
@@ -0,0 +1,203 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ * 
+ * Mail: fede.677387@hotmail.it
+ *
+ * Board: STM32F3-Discovery
+ */
+
+/**
+ * @file    boards/addons/gdisp/board_SPFD54124B_stm32f3.h
+ * @brief   GDISP Graphic Driver subsystem board interface for the SPFD54124B display.
+ */
+
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+#define SPFD54124B_SPID         SPID2
+
+#define SPFD54124B_SPI_PORT	    GPIOB
+#define SPFD54124B_SPI_NSS		12
+#define SPFD54124B_SPI_SCK		13
+#define SPFD54124B_SPI_MISO	    14 // not used
+#define SPFD54124B_SPI_MOSI	    15
+
+#define SPFD54124B_PIN_PORT	    GPIOA
+#define SPFD54124B_PIN_RST		5
+
+#define SET_RST				palSetPad(SPFD54124B_PIN_PORT, SPFD54124B_PIN_RST);
+#define CLR_RST				palClearPad(SPFD54124B_PIN_PORT, SPFD54124B_PIN_RST);
+
+#define USE_SOFT_SPI            TRUE
+#define USE_HARD_SPI            !(USE_SOFT_SPI)
+
+#if USE_HARD_SPI
+
+#if GFX_USE_OS_CHIBIOS
+static int32_t thdPriority = 0;
+#endif
+
+/*
+ * Maximum speed SPI configuration in 9 bit mode
+ */
+static const SPIConfig hs_spicfg = {
+                                    NULL,                   /* Operation complete callback or @p NULL. */
+                                    SPFD54124B_SPI_PORT,    /* The chip select line port */
+                                    SPFD54124B_SPI_NSS,     /* The chip select line pad number */
+                                    0,                      /* SPI CR1 register initialization data*/
+                                    SPI_CR2_DS_3            /* SPI CR2 register initialization data 9-bit */
+};
+#endif
+
+#if USE_SOFT_SPI
+static inline void soft_spi_sck(void){
+  palSetPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK);
+  palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK);
+}
+
+static inline void soft_spi_write_9bit(uint16_t data){
+
+  uint8_t i;
+
+  // activate lcd by low on CS pin
+  palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS);
+
+  for (i=0; i<9; i++){
+      // setting data
+      if(data & (SPFD54124B_SEND_DATA >> i)) {
+        palSetPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI);
+      }
+      else palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI);
+      // clock data
+      soft_spi_sck();
+  }
+
+  //deactivate lcd by high on CS pin
+  palSetPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS);
+
+}
+#endif
+
+static inline void setpin_reset(GDisplay *g, bool_t state) {
+  (void) g;
+  if(state) {
+    CLR_RST;
+  } else {
+    SET_RST;
+  }
+}
+
+static inline void init_board(GDisplay *g) {
+  // As we are not using multiple displays we set g->board to NULL as we don't use it.
+  g->board = 0;
+
+  switch(g->controllerdisplay) {
+  case 0:											// Set up for Display 0
+    /*
+     * SPI1 I/O pins setup.
+     */
+    palSetPadMode(SPFD54124B_PIN_PORT, SPFD54124B_PIN_RST,  PAL_MODE_OUTPUT_PUSHPULL);            /* RESET */
+    setpin_reset(g, TRUE);
+
+#if USE_HARD_SPI
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK,  PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST);   /* SCK. */
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MISO, PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST);   /* MISO.*/
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI, PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST);   /* MOSI.*/
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS,  PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);   /* NSS  */
+    palSetPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS);
+    palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK);
+    palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI);
+    spiInit();
+#endif
+
+#if USE_SOFT_SPI
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK,  PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);   /* SCK. */
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MISO, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);   /* MISO.*/
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);   /* MOSI.*/
+    palSetPadMode(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS,  PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);   /* NSS  */
+    palSetPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_NSS);
+    palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_SCK);
+    palClearPad(SPFD54124B_SPI_PORT, SPFD54124B_SPI_MOSI);
+#endif
+
+    break;
+  }
+}
+
+static inline void acquire_bus(GDisplay *g) {
+  (void) g;
+#if USE_HARD_SPI
+#if GFX_USE_OS_CHIBIOS
+  thdPriority = (int32_t)chThdGetPriority();
+  chThdSetPriority(HIGHPRIO);
+#endif
+  spiAcquireBus(&SPFD54124B_SPID);
+#endif
+}
+
+static inline void release_bus(GDisplay *g) {
+  (void) g;
+#if USE_HARD_SPI
+#if GFX_USE_OS_CHIBIOS
+  chThdSetPriority(thdPriority);
+#endif
+  spiReleaseBus(&SPFD54124B_SPID);
+#endif
+}
+
+static inline void write_data(GDisplay *g, uint16_t data) {
+  (void) g;
+
+  uint16_t b;
+
+#if USE_HARD_SPI
+
+  spiStart(&SPFD54124B_SPID, &hs_spicfg);
+  spiSelect(&SPFD54124B_SPID);
+
+  b = (data >> 0x08) | SPFD54124B_SEND_DATA;
+  spiSend(&SPFD54124B_SPID, 0x01, &b);
+  b = (data &  0xFF) | SPFD54124B_SEND_DATA;
+  spiSend(&SPFD54124B_SPID, 0x01, &b);
+
+  spiUnselect(&SPFD54124B_SPID);
+  spiStop(&SPFD54124B_SPID);
+
+#endif
+#if USE_SOFT_SPI
+  b = (data >> 0x08) | SPFD54124B_SEND_DATA;
+  soft_spi_write_9bit(b);
+  b = (data &  0xFF) | SPFD54124B_SEND_DATA;
+  soft_spi_write_9bit(b);
+#endif
+
+}
+
+static inline void write_index(GDisplay *g, uint16_t index) {
+  (void)    g;
+
+#if USE_HARD_SPI
+  spiStart(&SPFD54124B_SPID, &hs_spicfg);
+  spiSelect(&SPFD54124B_SPID);
+  spiSend(&SPFD54124B_SPID, 0x01, &index);
+  spiUnselect(&SPFD54124B_SPID);
+  spiStop(&SPFD54124B_SPID);
+#endif
+#if USE_SOFT_SPI
+  soft_spi_write_9bit(index);
+#endif
+}
+
+static inline void post_init_board(GDisplay *g) {
+  (void) g;
+}
+
+static inline void set_backlight(GDisplay *g, uint8_t percent) {
+  (void) g;
+  (void) percent;
+}
+
+#endif /* _GDISP_LLD_BOARD_H */