|
|
- /*
- * 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
- */
-
- #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
- #define ST7565_COM_SCAN ST7565_COM_SCAN_DEC
- #define ST7565_PAGE_ORDER 0,1,2,3
- /*
- * Custom page order for several LCD boards, e.g. HEM12864-99
- * #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 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
- // CLK Low by default
- 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,
- // 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 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);
- 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);
-
- spiInit();
- spiStart(&SPID1, &spi1config);
- release_bus(g);
- }
-
- 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);
- }
- }
-
- 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;
- spiSend(&SPID1, length, data);
- }
-
- #endif /* _GDISP_LLD_BOARD_H */
|