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authorFred Sundvik <fsundvik@gmail.com>2017-03-31 23:58:10 +0300
committerFred Sundvik <fsundvik@gmail.com>2017-04-09 18:34:59 +0300
commit2b24d35846693a3365a35b6ee9bc31b70659cfcf (patch)
tree5c40b615290e6847e24d432ab4b621fd1f5a4a09 /keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
parent503565d1742ed458c992192a05f6ffe1db053135 (diff)
Hopefully finally fix the corrupt LCD
The SPI bus is now selected and deselected before each set of commands. Also speed up things by buffering many commands into a single batch.
Diffstat (limited to 'keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h')
-rw-r--r--keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h46
1 files changed, 17 insertions, 29 deletions
diff --git a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
index abda0bd858..c2092b5e8d 100644
--- a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
+++ b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/board_ST7565.h
@@ -37,10 +37,14 @@
// MSB First
// CLK Low by default
static const SPIConfig spi1config = {
- NULL,
- /* HW dependent part.*/
- ST7565_GPIOPORT,
- ST7565_SS_PIN,
+ // 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)
| SPIx_CTARn_ASC(7)
| SPIx_CTARn_DT(7)
@@ -50,13 +54,10 @@ static const SPIConfig spi1config = {
//SPI_CR1_BR_0
};
-static bool_t st7565_is_data_mode = 1;
-
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);
@@ -65,7 +66,6 @@ static GFXINLINE void init_board(GDisplay *g) {
spiInit();
spiStart(&SPID1, &spi1config);
- spiSelect(&SPID1);
}
static GFXINLINE void post_init_board(GDisplay *g) {
@@ -86,39 +86,27 @@ 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 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 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) {
(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);
}