QSPI接口 AMOLED驱动例程

#include "includes.h" static volatile bool qspi_xfer_done; static void qspi_event_handler(nrfx_qspi_evt_t event, void * p_context) { qspi_xfer_done = true; //设置SPIM传输完成 } static void config_qspi_pin_high_drive(void) { nrf_gpio_cfg( AM_OLED_CLK_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_CONNECT, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_SENSE_HIGH); nrf_gpio_cfg( AM_OLED_CS_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, NRF_GPIO_PIN_NOPULL, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_NOSENSE); nrf_gpio_cfg( AM_OLED_D0_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_NOSENSE); nrf_gpio_cfg( AM_OLED_D1_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_NOSENSE); nrf_gpio_cfg( AM_OLED_D2_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_NOSENSE); nrf_gpio_cfg( AM_OLED_D3_PIN, NRF_GPIO_PIN_DIR_INPUT, NRF_GPIO_PIN_INPUT_DISCONNECT, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_H0H1, NRF_GPIO_PIN_NOSENSE); } static void bsp_amoled_qspi_init(void) { uint32_t err_code; AMOLED_RST_PIN_INIT(); AMOLED_RST_PIN_H(); nrf_delay_ms(10); AMOLED_RST_PIN_L(); nrf_delay_ms(10); AMOLED_RST_PIN_H(); config_qspi_pin_high_drive(); nrf_drv_qspi_config_t config = NRF_DRV_QSPI_DEFAULT_CONFIG; config.phy_if.sck_freq = 1; config.pins.csn_pin = AM_OLED_CS_PIN; config.pins.sck_pin = AM_OLED_CLK_PIN; config.pins.io0_pin = AM_OLED_D0_PIN; config.pins.io1_pin = AM_OLED_D1_PIN; config.pins.io2_pin = AM_OLED_D2_PIN; config.pins.io3_pin = AM_OLED_D3_PIN; config.prot_if.dpmconfig = false; err_code = nrf_drv_qspi_init(&config, qspi_event_handler, NULL); APP_ERROR_CHECK(err_code); } static void bsp_amoled_qspi_write_cmd(uint8_t cmd) { uint8_t tx_buf[4]; nrf_qspi_cinstr_conf_t cinstr_cfg = { .opcode = 0x02, .length = NRF_QSPI_CINSTR_LEN_4B, .io2_level = true, .io3_level = true, .wipwait = false, .wren = false }; memset(tx_buf, 0, sizeof(tx_buf)); tx_buf[1] = cmd; APP_ERROR_CHECK(nrf_drv_qspi_cinstr_xfer(&cinstr_cfg, tx_buf, NULL)); } static void bsp_amoled_qspi_write_reg(uint8_t reg, uint8_t *buf, uint8_t len) { uint8_t tx_buf[8]; nrf_qspi_cinstr_len_t cinstr_len; if(len < 1 || len > 5) { return; } switch(len) { case 1: cinstr_len = NRF_QSPI_CINSTR_LEN_5B; break; case 2: cinstr_len = NRF_QSPI_CINSTR_LEN_6B; break; case 3: cinstr_len = NRF_QSPI_CINSTR_LEN_7B; break; case 4: cinstr_len = NRF_QSPI_CINSTR_LEN_8B; break; case 5: cinstr_len = NRF_QSPI_CINSTR_LEN_9B; break; default: break; } nrf_qspi_cinstr_conf_t cinstr_cfg = { .opcode = 0x02, .length = cinstr_len, .io2_level = true, .io3_level = true, .wipwait = false, .wren = false }; memset(tx_buf, 0, sizeof(tx_buf)); tx_buf[1] = reg; memcpy(&tx_buf[3], buf, len); APP_ERROR_CHECK(nrf_drv_qspi_cinstr_xfer(&cinstr_cfg, tx_buf, NULL)); } void bsp_amoled_qspi_write_data(uint32_t addr, uint8_t *buf, uint32_t len) { uint32_t time_count = 0; if(len > 256) { return; } qspi_xfer_done = false; APP_ERROR_CHECK(nrf_drv_qspi_write(buf, len, addr)); while(!qspi_xfer_done) { nrf_delay_us(1); if(time_count++ > 10000000ul) { NRF_LOG_INFO("bsp_amoled_write_buf: NRF_ERROR_TIMEOUT"); break; } } } void bsp_amoled_color_fill(uint16_t x1, uint16_t x2, uint16_t y1, uint16_t y2, uint8_t *color_data) { uint8_t para1[4] = {0}; uint8_t para2[4] = {0}; uint8_t tx_buf[QSPI_FLASH_PAGE_SIZE] = {0}; uint16_t tx_size; uint16_t row, col; uint16_t area_x1, area_x2; if(x1 >= LCD_DISP_HOR_RES || x2 >= LCD_DISP_HOR_RES || y1 >= LCD_DISP_VER_RES || y2 >= LCD_DISP_VER_RES) { return; } if(x2 < x1 || y2 < y1) { return; } row = (y2 - y1 + 1); col = (x2 - x1 + 1); //NRF_LOG_INFO("x1:%d, x2:%d, y1:%d, y2:%d, area:%d", x1, x2, y1, y2, row*col); for(uint8_t i = 0; i < (col + 127)/128; i++) { if((i*128 + 128) < col) { tx_size = 256; area_x1 = x1 + i*128; area_x2 = x1 + i*128 + 128 - 1; } else { area_x1 = x1 + i*128; area_x2 = x2; tx_size = (area_x2 - area_x1 + 1)*2; } //NRF_LOG_INFO("x1:%d, x2:%d, y1:%d, y2:%d %d %d", area_x1, area_x2, y1, y2, tx_size, i); para1[0] = (area_x1 >> 8) & 0x00FF; para1[1] = area_x1 & 0x00FF; para1[2] = (area_x2 >> 8) & 0x00FF; para1[3] = area_x2 & 0x00FF; para2[0] = (y1 >> 8) & 0x00FF; para2[1] = y1 & 0x00FF; para2[2] = (y2 >> 8) & 0x00FF; para2[3] = y2 & 0x00FF; bsp_amoled_qspi_write_reg(0x2A, para1, sizeof(para1)); bsp_amoled_qspi_write_reg(0x2B, para2, sizeof(para2)); memcpy(tx_buf, &color_data[256*i], tx_size); /*第0行数据*/ bsp_amoled_qspi_write_data(0x002C00, tx_buf, tx_size); for(uint16_t j = 1; j < row; j++) { memcpy(tx_buf, &color_data[j*col*2 + 256*i], tx_size); bsp_amoled_qspi_write_data(0x003C00, tx_buf, tx_size); } } } uint8_t test_buf[368*4*2]; void bsp_amoled_init(void) { bsp_amoled_qspi_init(); nrf_delay_ms(10); bsp_amoled_qspi_write_cmd(0x11); nrf_delay_ms(10); uint8_t para3[2] = {0x01, 0xBF}; bsp_amoled_qspi_write_reg(0x44, para3, sizeof(para3)); uint8_t para4[1] = {0x55}; bsp_amoled_qspi_write_reg(0x3A, para4, sizeof(para4)); //0x55, -->565,, 0x77, -->888 uint8_t para6[1] = {0x00}; bsp_amoled_qspi_write_reg(0x35, para6, sizeof(para6)); uint8_t para7[1] = {0x20}; bsp_amoled_qspi_write_reg(0x53, para7, sizeof(para7)); nrf_delay_ms(25); bsp_amoled_qspi_write_cmd(0x29); NRF_LOG_INFO("bsp_amoled_init"); memset(test_buf, 0xFF, sizeof(test_buf)); for(uint16_t i = 0; i < 448/4; i++) { bsp_amoled_color_fill(0, 367, i*4, i*4+3, (uint8_t *)test_buf); } } // Factory test // uint8_t para8[2] = {0x5A, 0x5A}; // bsp_amoled_write_reg(0xC0, para8, sizeof(para8)); // uint8_t para9[1] = {0x81}; // bsp_amoled_write_reg(0xBA, para9, sizeof(para9));