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path: root/drivers/gdisp/S6D1121/gdisp_lld.c
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Diffstat (limited to 'drivers/gdisp/S6D1121/gdisp_lld.c')
-rw-r--r--drivers/gdisp/S6D1121/gdisp_lld.c375
1 files changed, 217 insertions, 158 deletions
diff --git a/drivers/gdisp/S6D1121/gdisp_lld.c b/drivers/gdisp/S6D1121/gdisp_lld.c
index 5eaa8e73..5f5d385a 100644
--- a/drivers/gdisp/S6D1121/gdisp_lld.c
+++ b/drivers/gdisp/S6D1121/gdisp_lld.c
@@ -35,147 +35,192 @@
/* Include the emulation code for things we don't support */
#include "gdisp_emulation.c"
-#include "s6d1121_lld.c.h"
-
/*===========================================================================*/
-/* Driver interrupt handlers. */
+/* Driver local definitions. */
/*===========================================================================*/
+#ifndef GDISP_SCREEN_HEIGHT
+ #define GDISP_SCREEN_HEIGHT 320
+#endif
+#ifndef GDISP_SCREEN_WIDTH
+ #define GDISP_SCREEN_WIDTH 240
+#endif
+
+#define GDISP_INITIAL_CONTRAST 50
+#define GDISP_INITIAL_BACKLIGHT 100
+
/*===========================================================================*/
-/* Driver exported functions. */
+/* Driver local definitions. */
/*===========================================================================*/
-/* ---- Required Routines ---- */
-/*
- The following 2 routines are required.
- All other routines are optional.
-*/
+#if defined(BOARD_OLIMEX_STM32_E407)
+ #include "gdisp_lld_board_olimex_e407.h"
+#else
+ #include "gdisp_lld_board.h"
+#endif
+
+/* Some common routines and macros */
+#define write_reg(reg, data) { write_index(reg); write_data(data); }
+#define stream_start() write_index(0x0022);
+#define stream_stop()
+#define delay(us) chThdSleepMicroseconds(us)
+#define delayms(ms) chThdSleepMilliseconds(ms)
+
+static __inline void set_cursor(coord_t x, coord_t y) {
+ /* R20h - 8 bit
+ * R21h - 9 bit
+ */
+ switch(GDISP.Orientation) {
+ case GDISP_ROTATE_0:
+ write_reg(0x0020, x & 0x00FF);
+ write_reg(0x0021, y & 0x01FF);
+ break;
+ case GDISP_ROTATE_90:
+ /* Note X has already been mirrored, so we do it directly */
+ write_reg(0x0020, y & 0x00FF);
+ write_reg(0x0021, x & 0x01FF);
+ break;
+ case GDISP_ROTATE_180:
+ write_reg(0x0020, (GDISP_SCREEN_WIDTH - 1 - x) & 0x00FF);
+ write_reg(0x0021, (GDISP_SCREEN_HEIGHT - 1 - y) & 0x01FF);
+ break;
+ case GDISP_ROTATE_270:
+ write_reg(0x0020, (GDISP_SCREEN_WIDTH - 1 - y) & 0x00FF);
+ write_reg(0x0021, (GDISP_SCREEN_HEIGHT - 1 - x) & 0x01FF);
+ break;
+ }
+}
+
+static __inline void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
+ /* HSA / HEA are 8 bit
+ * VSA / VEA are 9 bit
+ * use masks 0x00FF and 0x01FF to enforce this
+ */
+
+ switch(GDISP.Orientation) {
+ case GDISP_ROTATE_0:
+ write_reg(0x46, (((x + cx - 1) << 8) & 0xFF00 ) |
+ (x & 0x00FF));
+
+ write_reg(0x48, y & 0x01FF);
+ write_reg(0x47, (y + cy - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_90:
+ write_reg(0x46, (((y + cy - 1) << 8) & 0xFF00) |
+ (y & 0x00FF));
+
+ write_reg(0x48, x & 0x01FF);
+ write_reg(0x47, (x + cx - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_180:
+ write_reg(0x46, (((GDISP_SCREEN_WIDTH - x - 1) & 0x00FF) << 8) |
+ ((GDISP_SCREEN_WIDTH - (x + cx)) & 0x00FF));
+ write_reg(0x48, (GDISP_SCREEN_HEIGHT - (y + cy)) & 0x01FF);
+ write_reg(0x47, (GDISP_SCREEN_HEIGHT- y - 1) & 0x01FF);
+ break;
+ case GDISP_ROTATE_270:
+ write_reg(0x46, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) |
+ ((GDISP_SCREEN_WIDTH - (y + cy)) & 0x00FF));
+ write_reg(0x48, (GDISP_SCREEN_HEIGHT - (x + cx)) & 0x01FF);
+ write_reg(0x47, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF);
+ break;
+ }
+
+ set_cursor(x, y);
+}
+
+static __inline void reset_viewport(void) {
+ switch(GDISP.Orientation) {
+ case GDISP_ROTATE_0:
+ case GDISP_ROTATE_180:
+ set_viewport(0, 0, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT);
+ break;
+ case GDISP_ROTATE_90:
+ case GDISP_ROTATE_270:
+ set_viewport(0, 0, GDISP_SCREEN_HEIGHT, GDISP_SCREEN_WIDTH);
+ break;
+ }
+}
-/**
- * @brief Low level GDISP driver initialization.
- *
- * @notapi
- */
bool_t GDISP_LLD(init)(void) {
- palSetPadMode(GDISP_RST_GPIO, GDISP_RST_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- // A Good idea to reset the module before using
- GDISP_RST_LOW;
- s6d1121_delay(2);
- GDISP_RST_HIGH; // Hardware Reset
- s6d1121_delay(2);
-
- #ifdef GDISP_USE_GPIO
- // IO Default Configurations
- palSetPadMode(GDISP_CS_GPIO, GDISP_CS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(GDISP_WR_GPIO, GDISP_WR_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(GDISP_RD_GPIO, GDISP_RD_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(GDISP_RS_GPIO, GDISP_RS_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(GDISP_BL_GPIO, GDISP_BL_PIN, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-
- palSetGroupMode(GDISP_D0_GPIO, 0x0000000F, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetGroupMode(GDISP_D4_GPIO, 0x0000FFF0, 0, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-
- GDISP_CS_HIGH;
- GDISP_RD_HIGH;
- GDISP_WR_HIGH;
- GDISP_BL_LOW;
-
- #elif defined(GDISP_USE_FSMC)
- #if defined(STM32F1XX)
- /* FSMC setup. TODO: this only works for STM32F1 */
- rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
-
- /* TODO: pin setup */
- #elif defined(STM32F4XX)
- /* STM32F4 FSMC init */
- rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0);
-
- /* set pins to FSMC mode */
- IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) |
- (1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0};
-
- IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) |
- (1 << 13) | (1 << 14) | (1 << 15), 0};
-
- palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
- palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
- #else
- #error "FSMC not implemented for this device"
- #endif
+ /* initialize the hardware */
+ init_board();
- int FSMC_Bank = 0;
- /* FSMC timing */
- FSMC_Bank1->BTCR[FSMC_Bank+1] = (6) | (10 << 8) | (10 << 16);
+ /* Hardware reset */
+ setpin_reset(TRUE);
+ delayms(20);
+ setpin_reset(TRUE);
+ delayms(20);
- /* Bank1 NOR/SRAM control register configuration */
- FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
- #endif
+ /* Get the bus for the following initialisation commands */
+ acquire_bus();
- lld_lcdWriteReg(0x11,0x2004);
- lld_lcdWriteReg(0x13,0xCC00);
- lld_lcdWriteReg(0x15,0x2600);
- lld_lcdWriteReg(0x14,0x252A);
- lld_lcdWriteReg(0x12,0x0033);
- lld_lcdWriteReg(0x13,0xCC04);
+ write_reg(0x11,0x2004);
+ write_reg(0x13,0xCC00);
+ write_reg(0x15,0x2600);
+ write_reg(0x14,0x252A);
+ write_reg(0x12,0x0033);
+ write_reg(0x13,0xCC04);
- s6d1121_delay(1);
+ delayms(1);
- lld_lcdWriteReg(0x13,0xCC06);
+ write_reg(0x13,0xCC06);
- s6d1121_delay(1);
+ delayms(1);
- lld_lcdWriteReg(0x13,0xCC4F);
+ write_reg(0x13,0xCC4F);
- s6d1121_delay(1);
+ delayms(1);
- lld_lcdWriteReg(0x13,0x674F);
- lld_lcdWriteReg(0x11,0x2003);
+ write_reg(0x13,0x674F);
+ write_reg(0x11,0x2003);
- s6d1121_delay(1);
+ delayms(1);
// Gamma Setting
- lld_lcdWriteReg(0x30,0x2609);
- lld_lcdWriteReg(0x31,0x242C);
- lld_lcdWriteReg(0x32,0x1F23);
- lld_lcdWriteReg(0x33,0x2425);
- lld_lcdWriteReg(0x34,0x2226);
- lld_lcdWriteReg(0x35,0x2523);
- lld_lcdWriteReg(0x36,0x1C1A);
- lld_lcdWriteReg(0x37,0x131D);
- lld_lcdWriteReg(0x38,0x0B11);
- lld_lcdWriteReg(0x39,0x1210);
- lld_lcdWriteReg(0x3A,0x1315);
- lld_lcdWriteReg(0x3B,0x3619);
- lld_lcdWriteReg(0x3C,0x0D00);
- lld_lcdWriteReg(0x3D,0x000D);
-
- lld_lcdWriteReg(0x16,0x0007);
- lld_lcdWriteReg(0x02,0x0013);
- lld_lcdWriteReg(0x03,0x0003);
- lld_lcdWriteReg(0x01,0x0127);
-
- s6d1121_delay(1);
-
- lld_lcdWriteReg(0x08,0x0303);
- lld_lcdWriteReg(0x0A,0x000B);
- lld_lcdWriteReg(0x0B,0x0003);
- lld_lcdWriteReg(0x0C,0x0000);
- lld_lcdWriteReg(0x41,0x0000);
- lld_lcdWriteReg(0x50,0x0000);
- lld_lcdWriteReg(0x60,0x0005);
- lld_lcdWriteReg(0x70,0x000B);
- lld_lcdWriteReg(0x71,0x0000);
- lld_lcdWriteReg(0x78,0x0000);
- lld_lcdWriteReg(0x7A,0x0000);
- lld_lcdWriteReg(0x79,0x0007);
- lld_lcdWriteReg(0x07,0x0051);
-
- s6d1121_delay(1);
-
- lld_lcdWriteReg(0x07,0x0053);
- lld_lcdWriteReg(0x79,0x0000);
-
- lld_lcdResetViewPort();
+ write_reg(0x30,0x2609);
+ write_reg(0x31,0x242C);
+ write_reg(0x32,0x1F23);
+ write_reg(0x33,0x2425);
+ write_reg(0x34,0x2226);
+ write_reg(0x35,0x2523);
+ write_reg(0x36,0x1C1A);
+ write_reg(0x37,0x131D);
+ write_reg(0x38,0x0B11);
+ write_reg(0x39,0x1210);
+ write_reg(0x3A,0x1315);
+ write_reg(0x3B,0x3619);
+ write_reg(0x3C,0x0D00);
+ write_reg(0x3D,0x000D);
+
+ write_reg(0x16,0x0007);
+ write_reg(0x02,0x0013);
+ write_reg(0x03,0x0003);
+ write_reg(0x01,0x0127);
+
+ delayms(1);
+
+ write_reg(0x08,0x0303);
+ write_reg(0x0A,0x000B);
+ write_reg(0x0B,0x0003);
+ write_reg(0x0C,0x0000);
+ write_reg(0x41,0x0000);
+ write_reg(0x50,0x0000);
+ write_reg(0x60,0x0005);
+ write_reg(0x70,0x000B);
+ write_reg(0x71,0x0000);
+ write_reg(0x78,0x0000);
+ write_reg(0x7A,0x0000);
+ write_reg(0x79,0x0007);
+ write_reg(0x07,0x0051);
+
+ delayms(1);
+
+ write_reg(0x07,0x0053);
+ write_reg(0x79,0x0000);
+
+ reset_viewport();
+ set_backlight(GDISP_INITIAL_BACKLIGHT);
/* Now initialise the GDISP structure */
GDISP.Width = GDISP_SCREEN_WIDTH;
@@ -206,8 +251,11 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
#endif
- lld_lcdSetCursor(x, y);
- lld_lcdWriteReg(0x0022, color);
+
+ acquire_bus();
+ set_cursor(x, y);
+ write_reg(0x0022, color);
+ release_bus();
}
/* ---- Optional Routines ---- */
@@ -224,13 +272,15 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
void GDISP_LLD(clear)(color_t color) {
unsigned i;
- lld_lcdSetCursor(0, 0);
- lld_lcdWriteStreamStart();
+ acquire_bus();
+ set_cursor(0, 0);
+ stream_start();
for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
- lld_lcdWriteData(color);
+ write_data(color);
- lld_lcdWriteStreamStop();
+ stream_stop();
+ release_bus();
}
#endif
@@ -257,12 +307,14 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
#endif
area = cx*cy;
- lld_lcdSetViewPort(x, y, cx, cy);
- lld_lcdWriteStreamStart();
+ acquire_bus();
+ set_viewport(x, y, cx, cy);
+ stream_start();
for(i = 0; i < area; i++)
- lld_lcdWriteData(color);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
+ write_data(color);
+ stream_stop();
+ reset_viewport();
+ release_bus();
}
#endif
@@ -292,8 +344,9 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
- lld_lcdSetViewPort(x, y, cx, cy);
- lld_lcdWriteStreamStart();
+ acquire_bus();
+ set_viewport(x, y, cx, cy);
+ stream_start();
endx = srcx + cx;
endy = y + cy;
@@ -301,9 +354,10 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
buffer += srcx + srcy * srccx;
for(; y < endy; y++, buffer += lg)
for(x=srcx; x < endx; x++)
- lld_lcdWriteData(*buffer++);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
+ write_data(*buffer++);
+ stream_stop();
+ reset_viewport();
+ release_bus();
}
#endif
@@ -328,13 +382,15 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
#endif
- lld_lcdSetCursor(x, y);
- lld_lcdWriteStreamStart();
+ aquire_bus();
+ set_cursor(x, y);
+ stream_start();
color = lld_lcdReadData();
color = lld_lcdReadData();
- lld_lcdWriteStreamStop();
+ stream_stop();
+ release_bus();
return color;
}
@@ -371,6 +427,8 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
#endif
abslines = lines < 0 ? -lines : lines;
+
+ acquire_bus();
if (abslines >= cy) {
abslines = cy;
gap = 0;
@@ -386,25 +444,26 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
}
/* read row0 into the buffer and then write at row1*/
- lld_lcdSetViewPort(x, row0, cx, 1);
+ set_viewport(x, row0, cx, 1);
lld_lcdReadStreamStart();
lld_lcdReadStream(buf, cx);
lld_lcdReadStreamStop();
- lld_lcdSetViewPort(x, row1, cx, 1);
- lld_lcdWriteStreamStart();
- lld_lcdWriteStream(buf, cx);
- lld_lcdWriteStreamStop();
+ set_viewport(x, row1, cx, 1);
+ stream_start();
+ write_data(buf, cx);
+ stream_stop();
}
}
/* fill the remaining gap */
- lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
- lld_lcdWriteStreamStart();
+ set_viewport(x, lines > 0 ? (y+gap) : y, cx, abslines);
+ stream_start();
gap = cx*abslines;
- for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
+ for(i = 0; i < gap; i++) write_data(bgcolor);
+ stream_stop();
+ reset_viewport();
+ release_bus();
}
#endif
@@ -457,26 +516,26 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
return;
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
- lld_lcdWriteReg(0x0001,0x0127);
- lld_lcdWriteReg(0x03, 0b0011);
+ write_reg(0x0001,0x0127);
+ write_reg(0x03, 0b0011);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
- lld_lcdWriteReg(0x0001,0x0027);
- lld_lcdWriteReg(0x0003, 0b1011);
+ write_reg(0x0001,0x0027);
+ write_reg(0x0003, 0b1011);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
- lld_lcdWriteReg(0x0001,0x0127);
- lld_lcdWriteReg(0x0003, 0b0000);
+ write_reg(0x0001,0x0127);
+ write_reg(0x0003, 0b0000);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
- lld_lcdWriteReg(0x0001,0x0027);
- lld_lcdWriteReg(0x0003, 0b1000);
+ write_reg(0x0001,0x0027);
+ write_reg(0x0003, 0b1000);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 00:50:37 +0000