set up display at reset (yayay!)
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Jeff Epler
parent
91b98dc9d5
commit
68af5543af
@ -26,9 +26,131 @@
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#include "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "shared-bindings/board/__init__.h"
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#include "shared-bindings/busio/I2C.h"
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#include "shared-bindings/dotclockframebuffer/DotClockFramebuffer.h"
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#include "shared-bindings/dotclockframebuffer/__init__.h"
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#include "shared-bindings/framebufferio/FramebufferDisplay.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-module/displayio/__init__.h"
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static const uint8_t display_init_sequence[] = {
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0xf0, 5, 0x55, 0xaa, 0x52, 0x08, 0x00,
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0xf6, 2, 0x5a, 0x87,
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0xc1, 1, 0x3f,
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0xc2, 1, 0x0e,
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0xc6, 1, 0xf8,
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0xc9, 1, 0x10,
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0xcd, 1, 0x25,
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0xf8, 1, 0x8a,
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0xac, 1, 0x45,
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0xa0, 1, 0xdd,
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0xa7, 1, 0x47,
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0xfa, 4, 0x00, 0x00, 0x00, 0x04,
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0x86, 4, 0x99, 0xa3, 0xa3, 0x51,
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0xa3, 1, 0xee,
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0xfd, 3, 0x3c, 0x3c, 0x00,
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0x71, 1, 0x48,
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0x72, 1, 0x48,
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0x73, 2, 0x00, 0x44,
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0x97, 1, 0xee,
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0x83, 1, 0x93,
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0x9a, 1, 0x72,
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0x9b, 1, 0x5a,
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0x82, 2, 0x2c, 0x2c,
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0xb1, 1, 0x10,
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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,
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0x64, 16, 0x38, 0x05, 0x01, 0xdb, 0x03, 0x03, 0x38, 0x04, 0x01, 0xdc, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a,
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0x65, 16, 0x38, 0x03, 0x01, 0xdd, 0x03, 0x03, 0x38, 0x02, 0x01, 0xde, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a,
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0x66, 16, 0x38, 0x01, 0x01, 0xdf, 0x03, 0x03, 0x38, 0x00, 0x01, 0xe0, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a,
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0x67, 16, 0x30, 0x01, 0x01, 0xe1, 0x03, 0x03, 0x30, 0x02, 0x01, 0xe2, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a,
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0x68, 13, 0x00, 0x08, 0x15, 0x08, 0x15, 0x7a, 0x7a, 0x08, 0x15, 0x08, 0x15, 0x7a, 0x7a,
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0x60, 8, 0x38, 0x08, 0x7a, 0x7a, 0x38, 0x09, 0x7a, 0x7a,
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0x63, 8, 0x31, 0xe4, 0x7a, 0x7a, 0x31, 0xe5, 0x7a, 0x7a,
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0x69, 7, 0x04, 0x22, 0x14, 0x22, 0x14, 0x22, 0x08,
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0x6b, 1, 0x07,
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0x7a, 2, 0x08, 0x13,
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0x7b, 2, 0x08, 0x13,
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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,
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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,
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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,
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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,
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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,
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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,
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0x3a, 1, 0x66,
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0x3a, 1, 0x66,
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0x11, 0x80, 120,
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0x29, 0x80, 20
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};
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static const mcu_pin_obj_t *red_pins[] = {
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&pin_GPIO1, &pin_GPIO2, &pin_GPIO42, &pin_GPIO41, &pin_GPIO40
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};
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static const mcu_pin_obj_t *green_pins[] = {
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&pin_GPIO21, &pin_GPIO47, &pin_GPIO48, &pin_GPIO45, &pin_GPIO38, &pin_GPIO39
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};
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static const mcu_pin_obj_t *blue_pins[] = {
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&pin_GPIO10, &pin_GPIO11, &pin_GPIO12, &pin_GPIO13, &pin_GPIO14
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};
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void board_init(void) {
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dotclockframebuffer_framebuffer_obj_t *framebuffer = &allocate_display_bus_or_raise()->dotclock;
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framebuffer->base.type = &dotclockframebuffer_framebuffer_type;
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common_hal_dotclockframebuffer_framebuffer_construct(
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framebuffer,
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/* de */ &pin_GPIO17,
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/* vsync */ &pin_GPIO3,
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/* hsync */ &pin_GPIO46,
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/* dclk */ &pin_GPIO9,
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/* data */ red_pins, MP_ARRAY_SIZE(red_pins), green_pins, MP_ARRAY_SIZE(green_pins), blue_pins, MP_ARRAY_SIZE(blue_pins),
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/* frequency */ 6500000,
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/* width x height */ 480, 480,
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/* horizontal: pulse, back & front porch, idle */ 13, 20, 40, false,
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/* vertical: pulse, back & front porch, idle */ 15, 20, 40, false,
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/* de_idle_high */ false,
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/* pclk_active_high */ true,
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/* pclk_idle_high */ false,
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/* overscan_left */ 0
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);
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framebufferio_framebufferdisplay_obj_t *disp = &allocate_display_or_raise()->framebuffer_display;
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disp->base.type = &framebufferio_framebufferdisplay_type;
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common_hal_framebufferio_framebufferdisplay_construct(
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disp,
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framebuffer,
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0,
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true
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);
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busio_i2c_obj_t *i2c = common_hal_board_create_i2c(0);
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const int i2c_device_address = 32;
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common_hal_busio_i2c_try_lock(i2c);
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{
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uint8_t buf[2] = {3, 0xf1}; // set GPIO direction
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common_hal_busio_i2c_write(i2c, i2c_device_address, buf, sizeof(buf));
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}
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{
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uint8_t buf[2] = {2, 0}; // set all output pins low initially
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common_hal_busio_i2c_write(i2c, i2c_device_address, buf, sizeof(buf));
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}
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common_hal_busio_i2c_unlock(i2c);
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dotclockframebuffer_ioexpander_spi_bus spibus = {
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.bus = i2c,
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.i2c_device_address = i2c_device_address,
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.i2c_write_size = 2,
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.addr_reg_shadow = { .u32 = 1 }, // GPIO data at register 1
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.cs_mask = 0x100 << 1, // data payload is at byte 2
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.mosi_mask = 0x100 << 3,
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.clk_mask = 0x100 << 2,
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};
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dotclockframebuffer_ioexpander_send_init_sequence(&spibus, display_init_sequence, sizeof(display_init_sequence));
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}
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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
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