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path: root/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
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Diffstat (limited to 'keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h')
-rw-r--r--keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h80
1 files changed, 33 insertions, 47 deletions
diff --git a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
index 290571ce5b..e8c17e6e33 100644
--- a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
+++ b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
@@ -8,8 +8,6 @@
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
-#include "print.h"
-
#define ST7565_LCD_BIAS ST7565_LCD_BIAS_9 // actually 6
#define ST7565_ADC ST7565_ADC_NORMAL
#define ST7565_COM_SCAN ST7565_COM_SCAN_DEC
@@ -39,35 +37,49 @@
// MSB First
// CLK Low by default
static const SPIConfig spi1config = {
- NULL,
- /* HW dependent part.*/
- ST7565_GPIOPORT,
- ST7565_SS_PIN,
- SPIx_CTARn_FMSZ(7)
- | SPIx_CTARn_ASC(7)
- | SPIx_CTARn_DT(7)
- | SPIx_CTARn_CSSCK(7)
- | SPIx_CTARn_PBR(0)
- | SPIx_CTARn_BR(7)
- //SPI_CR1_BR_0
+ // Operation complete callback or @p NULL.
+ .end_cb = NULL,
+ //The chip select line port - when not using pcs.
+ .ssport = ST7565_GPIOPORT,
+ // brief The chip select line pad number - when not using pcs.
+ .sspad=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
+ | SPIx_CTARn_DT(0) // Delay After Transfer Scaler (no minimum)= 27.78ns
+ | SPIx_CTARn_CSSCK(0) // PCS to SCK Delay Scaler (min 20 ns) = 27.78ns
+ | SPIx_CTARn_PBR(0) // Baud Rate Prescaler = 2
+ | SPIx_CTARn_BR(0) // Baud rate (min 50ns) = 55.56ns
};
-static bool_t st7565_is_data_mode = 1;
+static GFXINLINE void acquire_bus(GDisplay *g) {
+ (void) g;
+ // Only the LCD is using the SPI bus, so no need to acquire
+ // spiAcquireBus(&SPID1);
+ spiSelect(&SPID1);
+}
+
+static GFXINLINE void release_bus(GDisplay *g) {
+ (void) g;
+ // Only the LCD is using the SPI bus, so no need to release
+ //spiReleaseBus(&SPID1);
+ spiUnselect(&SPID1);
+}
static GFXINLINE void init_board(GDisplay *g) {
(void) g;
palSetPadModeNamed(A0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- st7565_is_data_mode = 1;
palSetPadModeNamed(RST, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(ST7565_GPIOPORT, ST7565_RST_PIN);
palSetPadModeRaw(MOSI, ST7565_SPI_MODE);
palSetPadModeRaw(SLCK, ST7565_SPI_MODE);
- palSetPadModeRaw(SS, ST7565_SPI_MODE);
+ palSetPadModeRaw(SS, PAL_MODE_OUTPUT_PUSHPULL);
spiInit();
spiStart(&SPID1, &spi1config);
- spiSelect(&SPID1);
+ release_bus(g);
}
static GFXINLINE void post_init_board(GDisplay *g) {
@@ -84,43 +96,17 @@ static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
}
}
-static GFXINLINE void acquire_bus(GDisplay *g) {
- (void) g;
- // Only the LCD is using the SPI bus, so no need to acquire
- // spiAcquireBus(&SPID1);
+static GFXINLINE void enter_data_mode(GDisplay *g) {
+ palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
}
-static GFXINLINE void release_bus(GDisplay *g) {
- (void) g;
- // Only the LCD is using the SPI bus, so no need to release
- //spiReleaseBus(&SPID1);
+static GFXINLINE void enter_cmd_mode(GDisplay *g) {
+ palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN);
}
-static GFXINLINE void write_cmd(GDisplay *g, uint8_t cmd) {
- (void) g;
- if (st7565_is_data_mode) {
- // The sleeps need to be at lest 10 vs 25 ns respectively
- // So let's sleep two ticks, one tick might not be enough
- // if we are at the end of the tick
- chThdSleep(2);
- palClearPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- chThdSleep(2);
- st7565_is_data_mode = 0;
- }
- spiSend(&SPID1, 1, &cmd);
-}
static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
- if (!st7565_is_data_mode) {
- // The sleeps need to be at lest 10 vs 25 ns respectively
- // So let's sleep two ticks, one tick might not be enough
- // if we are at the end of the tick
- chThdSleep(2);
- palSetPad(ST7565_GPIOPORT, ST7565_A0_PIN);
- chThdSleep(2);
- st7565_is_data_mode = 1;
- }
spiSend(&SPID1, length, data);
}