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ST7565 tidyup (#10907)

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Ryan 2020-11-26 23:44:17 +11:00 • committed by GitHub
parent 1c0e8a6bb4
commit 3afe0ea9b9
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9 changed files with 136 additions and 159 deletions
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60
drivers/ugfx/gdisp/st7565/board_st7565_template.h
View file

@ -8,8 +8,9 @@
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
#define ST7565_LCD_BIAS ST7565_LCD_BIAS_9 // actually 6
#define ST7565_ADC ST7565_ADC_NORMAL
#include "quantum.h"
#define ST7565_LCD_BIAS ST7565_LCD_BIAS_7
#define ST7565_COM_SCAN ST7565_COM_SCAN_DEC
#define ST7565_PAGE_ORDER 0, 1, 2, 3
/*
@ -17,19 +18,12 @@
* #define ST7565_PAGE_ORDER 4,5,6,7,0,1,2,3
*/
#define ST7565_GPIOPORT GPIOC
#define ST7565_PORT PORTC
#define ST7565_A0_PIN 7
#define ST7565_RST_PIN 8
#define ST7565_MOSI_PIN 6
#define ST7565_SLCK_PIN 5
#define ST7565_SS_PIN 4
#define ST7565_A0_PIN C7
#define ST7565_RST_PIN C8
#define ST7565_MOSI_PIN C6
#define ST7565_SCLK_PIN C5
#define ST7565_SS_PIN C4
#define palSetPadModeRaw(portname, bits) ST7565_PORT->PCR[ST7565_##portname##_PIN] = bits
#define palSetPadModeNamed(portname, portmode) palSetPadMode(ST7565_GPIOPORT, ST7565_##portname##_PIN, portmode)
#define ST7565_SPI_MODE PORTx_PCRn_DSE | PORTx_PCRn_MUX(2)
// DSPI Clock and Transfer Attributes
// Frame Size: 8 bits
// MSB First
@ -38,9 +32,9 @@ static const SPIConfig spi1config = {
// Operation complete callback or @p NULL.
.end_cb = NULL,
// The chip select line port - when not using pcs.
.ssport = ST7565_GPIOPORT,
.ssport = PAL_PORT(ST7565_SS_PIN),
// brief The chip select line pad number - when not using pcs.
.sspad = ST7565_SS_PIN,
.sspad = PAL_PAD(ST7565_SS_PIN),
// SPI initialization data.
.tar0 = SPIx_CTARn_FMSZ(7) // Frame size = 8 bytes
| SPIx_CTARn_ASC(1) // After SCK Delay Scaler (min 50 ns) = 55.56ns
@ -66,13 +60,14 @@ static GFXINLINE void release_bus(GDisplay *g) {
static GFXINLINE void init_board(GDisplay *g) {
(void)g;
palSetPadModeNamed(A0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
palSetPadModeNamed(RST, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
palSetPadModeRaw(MOSI, ST7565_SPI_MODE);
palSetPadModeRaw(SLCK, ST7565_SPI_MODE);
palSetPadModeNamed(SS, PAL_MODE_OUTPUT_PUSHPULL);
setPinOutput(ST7565_A0_PIN);
writePinHigh(ST7565_A0_PIN);
setPinOutput(ST7565_RST_PIN);
writePinHigh(ST7565_RST_PIN);
setPinOutput(ST7565_SS_PIN);
palSetPadMode(PAL_PORT(ST7565_MOSI_PIN), PAL_PAD(ST7565_MOSI_PIN), PAL_MODE_ALTERNATIVE_2);
palSetPadMode(PAL_PORT(ST7565_SCLK_PIN), PAL_PAD(ST7565_SCLK_PIN), PAL_MODE_ALTERNATIVE_2);
spiInit();
spiStart(&SPID1, &spi1config);
@ -83,19 +78,18 @@ static GFXINLINE void post_init_board(GDisplay *g) { (void)g; }
static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
(void)g;
if (state) {
palClearPad(ST7565_GPIOPORT, ST7565_RST_PIN);
} else {
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
}
writePin(ST7565_RST_PIN, !state);
}
static GFXINLINE void enter_data_mode(GDisplay *g) { palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN); }
static GFXINLINE void enter_cmd_mode(GDisplay *g) { palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN); }
static GFXINLINE void write_data(GDisplay *g, uint8_t *data, uint16_t length) {
static GFXINLINE void write_cmd(GDisplay *g, gU8 cmd) {
(void)g;
writePinLow(ST7565_A0_PIN);
spiSend(&SPID1, 1, &cmd);
}
static GFXINLINE void write_data(GDisplay *g, gU8 *data, gU16 length) {
(void)g;
writePinHigh(ST7565_A0_PIN);
spiSend(&SPID1, length, data);
}

2
drivers/ugfx/gdisp/st7565/driver.mk
View file

@ -1,3 +1,3 @@
GFXINC += drivers/ugfx/gdisp/st7565
GFXSRC += drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
GDISP_DRIVER_LIST += GDISPVMT_ST7565_QMK
GDISP_DRIVER_LIST += GDISPVMT_ST7565_QMK

86
drivers/ugfx/gdisp/st7565/gdisp_lld_ST7565.c
View file

@ -49,31 +49,15 @@
# define ST7565_COM_SCAN ST7565_COM_SCAN_INC
# endif
# ifndef ST7565_PAGE_ORDER
# define ST7565_PAGE_ORDER 0, 1, 2, 3
# define ST7565_PAGE_ORDER 0, 1, 2, 3, 4, 5, 6, 7
# endif
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
typedef struct {
bool_t buffer2;
uint8_t data_pos;
uint8_t data[16];
uint8_t ram[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH / 8];
} PrivData;
// Some common routines and macros
# define PRIV(g) ((PrivData *)g->priv)
# define RAM(g) (PRIV(g)->ram)
static GFXINLINE void write_cmd(GDisplay *g, uint8_t cmd) { PRIV(g)->data[PRIV(g)->data_pos++] = cmd; }
static GFXINLINE void flush_cmd(GDisplay *g) {
write_data(g, PRIV(g)->data, PRIV(g)->data_pos);
PRIV(g)->data_pos = 0;
}
# define RAM(g) ((gU8 *)g->priv)
# define write_cmd2(g, cmd1, cmd2) \
{ \
write_cmd(g, cmd1); \
@ -106,9 +90,10 @@ static GFXINLINE void flush_cmd(GDisplay *g) {
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
// The private area is the display surface.
g->priv = gfxAlloc(sizeof(PrivData));
PRIV(g)->buffer2 = false;
PRIV(g)->data_pos = 0;
g->priv = gfxAlloc(GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH / 8);
if (!g->priv) {
return gFalse;
}
// Initialise the board interface
init_board(g);
@ -119,25 +104,33 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
setpin_reset(g, FALSE);
gfxSleepMilliseconds(20);
acquire_bus(g);
enter_cmd_mode(g);
write_cmd(g, ST7565_RESET);
write_cmd(g, ST7565_LCD_BIAS);
write_cmd(g, ST7565_ADC);
write_cmd(g, ST7565_COM_SCAN);
write_cmd(g, ST7565_RESISTOR_RATIO | 0x1);
write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST);
// turn on internal power supply (VC=1, VR=1, VF=1)
write_cmd(g, ST7565_POWER_CONTROL | 0x07);
write_cmd(g, ST7565_INVERT_DISPLAY);
write_cmd(g, ST7565_ALLON_NORMAL);
write_cmd(g, ST7565_START_LINE | 0);
write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST * 64 / 101);
write_cmd(g, ST7565_RESISTOR_RATIO | 0x1);
// turn on voltage converter (VC=1, VR=0, VF=0)
write_cmd(g, ST7565_POWER_CONTROL | 0x04);
delay_ms(50);
// turn on voltage regulator (VC=1, VR=1, VF=0)
write_cmd(g, ST7565_POWER_CONTROL | 0x06);
delay_ms(50);
// turn on voltage follower (VC=1, VR=1, VF=1)
write_cmd(g, ST7565_POWER_CONTROL | 0x07);
delay_ms(50);
write_cmd(g, ST7565_DISPLAY_ON);
write_cmd(g, ST7565_ALLON_NORMAL);
write_cmd(g, ST7565_INVERT_DISPLAY); // Disable Inversion of display.
write_cmd(g, ST7565_RMW);
flush_cmd(g);
// Finish Init
post_init_board(g);
@ -163,22 +156,14 @@ LLDSPEC void gdisp_lld_flush(GDisplay *g) {
if (!(g->flags & GDISP_FLG_NEEDFLUSH)) return;
acquire_bus(g);
enter_cmd_mode(g);
unsigned dstOffset = (PRIV(g)->buffer2 ? 4 : 0);
for (p = 0; p < 4; p++) {
write_cmd(g, ST7565_PAGE | (p + dstOffset));
gU8 pagemap[] = {ST7565_PAGE_ORDER};
for (p = 0; p < sizeof(pagemap); p++) {
write_cmd(g, ST7565_PAGE | pagemap[p]);
write_cmd(g, ST7565_COLUMN_MSB | 0);
write_cmd(g, ST7565_COLUMN_LSB | 0);
write_cmd(g, ST7565_RMW);
flush_cmd(g);
enter_data_mode(g);
write_data(g, RAM(g) + (p * GDISP_SCREEN_WIDTH), GDISP_SCREEN_WIDTH);
enter_cmd_mode(g);
}
unsigned line = (PRIV(g)->buffer2 ? 32 : 0);
write_cmd(g, ST7565_START_LINE | line);
flush_cmd(g);
PRIV(g)->buffer2 = !PRIV(g)->buffer2;
release_bus(g);
g->flags &= ~GDISP_FLG_NEEDFLUSH;
@ -243,6 +228,7 @@ LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
}
# endif
# if GDISP_HARDWARE_BITFILLS
LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
uint8_t *buffer = (uint8_t *)g->p.ptr;
int linelength = g->p.cx;
@ -268,6 +254,7 @@ LLDSPEC void gdisp_lld_blit_area(GDisplay *g) {
}
g->flags |= GDISP_FLG_NEEDFLUSH;
}
# endif
# if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
@ -279,16 +266,12 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
case powerSleep:
case powerDeepSleep:
acquire_bus(g);
enter_cmd_mode(g);
write_cmd(g, ST7565_DISPLAY_OFF);
flush_cmd(g);
release_bus(g);
break;
case powerOn:
acquire_bus(g);
enter_cmd_mode(g);
write_cmd(g, ST7565_DISPLAY_ON);
flush_cmd(g);
release_bus(g);
break;
default:
@ -318,12 +301,11 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
return;
case GDISP_CONTROL_CONTRAST:
g->g.Contrast = (unsigned)g->p.ptr & 63;
if ((unsigned)g->p.ptr > 100) g->p.ptr = (void *)100;
acquire_bus(g);
enter_cmd_mode(g);
write_cmd2(g, ST7565_CONTRAST, g->g.Contrast);
flush_cmd(g);
write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr) << 6) / 101) & 0x3F);
release_bus(g);
g->g.Contrast = (unsigned)g->p.ptr;
return;
}
}