From 68af5543af50716a9ae61fa516ec756e9302e020 Mon Sep 17 00:00:00 2001 From: Jeff Epler Date: Fri, 15 Sep 2023 14:46:28 -0500 Subject: [PATCH] set up display at reset (yayay!) --- .../boards/espressif_esp32s3_lcd_ev/board.c | 122 ++++++++++++++++++ 1 file changed, 122 insertions(+) diff --git a/ports/espressif/boards/espressif_esp32s3_lcd_ev/board.c b/ports/espressif/boards/espressif_esp32s3_lcd_ev/board.c index 0639737c35..ed06698583 100644 --- a/ports/espressif/boards/espressif_esp32s3_lcd_ev/board.c +++ b/ports/espressif/boards/espressif_esp32s3_lcd_ev/board.c @@ -26,9 +26,131 @@ #include "supervisor/board.h" #include "mpconfigboard.h" +#include "shared-bindings/board/__init__.h" +#include "shared-bindings/busio/I2C.h" +#include "shared-bindings/dotclockframebuffer/DotClockFramebuffer.h" +#include "shared-bindings/dotclockframebuffer/__init__.h" +#include "shared-bindings/framebufferio/FramebufferDisplay.h" #include "shared-bindings/microcontroller/Pin.h" +#include "shared-module/displayio/__init__.h" +static const uint8_t display_init_sequence[] = { + 0xf0, 5, 0x55, 0xaa, 0x52, 0x08, 0x00, + 0xf6, 2, 0x5a, 0x87, + 0xc1, 1, 0x3f, + 0xc2, 1, 0x0e, + 0xc6, 1, 0xf8, + 0xc9, 1, 0x10, + 0xcd, 1, 0x25, + 0xf8, 1, 0x8a, + 0xac, 1, 0x45, + 0xa0, 1, 0xdd, + 0xa7, 1, 0x47, + 0xfa, 4, 0x00, 0x00, 0x00, 0x04, + 0x86, 4, 0x99, 0xa3, 0xa3, 0x51, + 0xa3, 1, 0xee, + 0xfd, 3, 0x3c, 0x3c, 0x00, + 0x71, 1, 0x48, + 0x72, 1, 0x48, + 0x73, 2, 0x00, 0x44, + 0x97, 1, 0xee, + 0x83, 1, 0x93, + 0x9a, 1, 0x72, + 0x9b, 1, 0x5a, + 0x82, 2, 0x2c, 0x2c, + 0xb1, 1, 0x10, + 0x6d, 32, 0x00, 0x1f, 0x19, 0x1a, 0x10, 0x0e, 0x0c, 0x0a, 0x02, 0x07, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x08, 0x01, 0x09, 0x0b, 0x0d, 0x0f, 0x1a, 0x19, 0x1f, 0x00, + 0x64, 16, 0x38, 0x05, 0x01, 0xdb, 0x03, 0x03, 0x38, 0x04, 0x01, 0xdc, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a, + 0x65, 16, 0x38, 0x03, 0x01, 0xdd, 0x03, 0x03, 0x38, 0x02, 0x01, 0xde, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a, + 0x66, 16, 0x38, 0x01, 0x01, 0xdf, 0x03, 0x03, 0x38, 0x00, 0x01, 0xe0, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a, + 0x67, 16, 0x30, 0x01, 0x01, 0xe1, 0x03, 0x03, 0x30, 0x02, 0x01, 0xe2, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a, + 0x68, 13, 0x00, 0x08, 0x15, 0x08, 0x15, 0x7a, 0x7a, 0x08, 0x15, 0x08, 0x15, 0x7a, 0x7a, + 0x60, 8, 0x38, 0x08, 0x7a, 0x7a, 0x38, 0x09, 0x7a, 0x7a, + 0x63, 8, 0x31, 0xe4, 0x7a, 0x7a, 0x31, 0xe5, 0x7a, 0x7a, + 0x69, 7, 0x04, 0x22, 0x14, 0x22, 0x14, 0x22, 0x08, + 0x6b, 1, 0x07, + 0x7a, 2, 0x08, 0x13, + 0x7b, 2, 0x08, 0x13, + 0xd1, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0xd2, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0xd3, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0xd4, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0xd5, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0xd6, 52, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18, 0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47, 0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68, 0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6, 0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba, 0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea, 0x03, 0xfa, 0x03, 0xff, + 0x3a, 1, 0x66, + 0x3a, 1, 0x66, + 0x11, 0x80, 120, + 0x29, 0x80, 20 +}; + +static const mcu_pin_obj_t *red_pins[] = { + &pin_GPIO1, &pin_GPIO2, &pin_GPIO42, &pin_GPIO41, &pin_GPIO40 +}; +static const mcu_pin_obj_t *green_pins[] = { + &pin_GPIO21, &pin_GPIO47, &pin_GPIO48, &pin_GPIO45, &pin_GPIO38, &pin_GPIO39 +}; +static const mcu_pin_obj_t *blue_pins[] = { + &pin_GPIO10, &pin_GPIO11, &pin_GPIO12, &pin_GPIO13, &pin_GPIO14 +}; void board_init(void) { + dotclockframebuffer_framebuffer_obj_t *framebuffer = &allocate_display_bus_or_raise()->dotclock; + framebuffer->base.type = &dotclockframebuffer_framebuffer_type; + + common_hal_dotclockframebuffer_framebuffer_construct( + framebuffer, + /* de */ &pin_GPIO17, + /* vsync */ &pin_GPIO3, + /* hsync */ &pin_GPIO46, + /* dclk */ &pin_GPIO9, + /* data */ red_pins, MP_ARRAY_SIZE(red_pins), green_pins, MP_ARRAY_SIZE(green_pins), blue_pins, MP_ARRAY_SIZE(blue_pins), + /* frequency */ 6500000, + /* width x height */ 480, 480, + /* horizontal: pulse, back & front porch, idle */ 13, 20, 40, false, + /* vertical: pulse, back & front porch, idle */ 15, 20, 40, false, + /* de_idle_high */ false, + /* pclk_active_high */ true, + /* pclk_idle_high */ false, + /* overscan_left */ 0 + ); + + framebufferio_framebufferdisplay_obj_t *disp = &allocate_display_or_raise()->framebuffer_display; + disp->base.type = &framebufferio_framebufferdisplay_type; + common_hal_framebufferio_framebufferdisplay_construct( + disp, + framebuffer, + 0, + true + ); + + busio_i2c_obj_t *i2c = common_hal_board_create_i2c(0); + const int i2c_device_address = 32; + + common_hal_busio_i2c_try_lock(i2c); + + { + uint8_t buf[2] = {3, 0xf1}; // set GPIO direction + common_hal_busio_i2c_write(i2c, i2c_device_address, buf, sizeof(buf)); + } + + { + uint8_t buf[2] = {2, 0}; // set all output pins low initially + common_hal_busio_i2c_write(i2c, i2c_device_address, buf, sizeof(buf)); + } + + common_hal_busio_i2c_unlock(i2c); + + dotclockframebuffer_ioexpander_spi_bus spibus = { + .bus = i2c, + .i2c_device_address = i2c_device_address, + .i2c_write_size = 2, + .addr_reg_shadow = { .u32 = 1 }, // GPIO data at register 1 + .cs_mask = 0x100 << 1, // data payload is at byte 2 + .mosi_mask = 0x100 << 3, + .clk_mask = 0x100 << 2, + }; + + dotclockframebuffer_ioexpander_send_init_sequence(&spibus, display_init_sequence, sizeof(display_init_sequence)); + } // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.