int main(int argc, char* argv[]) {
const char* title = "\nam18x library for ecap!\n";
int i;
arm_intr_enable();
systick_start();
printk(title);
printk("tary, compiled date : %s %s\n", __DATE__, __TIME__);
psc_state_transition(PSC_GPIO, PSC_STATE_ENABLE);
psc_state_transition(PSC_ECAP, PSC_STATE_ENABLE);
gpio_set_mux(LCDC_BL_PWR, GPIO_DIR_OUTPUT);
gpio_set_output1(LCDC_BL_PWR, GPIO_HIGH);
#if 0
gpio_set_mux(LCDC_BL_PWM, GPIO_DIR_OUTPUT);
gpio_set_output1(LCDC_BL_PWM, GPIO_HIGH);
#else
syscfg_pinmux(LCDC_BL_PWM_PINMUX);
#endif
ecap_init(ECAP_HW);
for (i = 0;; i += 5) {
if (i > 100) {
i = 0;
}
ecap_conf->duty = i;
ecap_set_conf(ECAP_HW, ecap_conf);
systick_sleep(1000);
}
return 0;
}
void LCD_Init(void){
GPIO->GPIO_PORT[OLED1_DISPLAY_MOSI_PIN/32].GPIO_GPERC = OELD1_DISPLAY_MOSI_GPIO;
GPIO->GPIO_PORT[OLED1_DISPLAY_SCK_PIN/32].GPIO_GPERC = OLED1_DISPLAY_SCK_GPIO;
gpio_set_mux(OELD1_DISPLAY_MOSI_GPIO, OLED1_DISPLAY_MOSI_PIN, MUX_PERIPHERAL_A);
gpio_set_mux(OLED1_DISPLAY_SCK_GPIO, OLED1_DISPLAY_SCK_PIN, MUX_PERIPHERAL_B);
// CS pin as output
gpio_set_output(OLED1_DISPLAY_SS_GPIO, OLED1_DISPLAY_SS_PIN);
GPIO->GPIO_PORT[OLED1_DISPLAY_SS_PIN/32].GPIO_OVRS = OLED1_DISPLAY_SS_GPIO;
// OLED reset pin as output
gpio_set_output(OLED1_DISPLAY_RESET_GPIO, OLED1_DISPLAY_RESET_PIN);
GPIO->GPIO_PORT[OLED1_DISPLAY_RESET_PIN/32].GPIO_OVRS = OLED1_DISPLAY_RESET_GPIO;
// OLED data/cmd pin as output
gpio_set_output(OLED1_DATACMD_GPIO, OLED1_DATACMD_PIN);
GPIO->GPIO_PORT[OLED1_DATACMD_PIN/32].GPIO_OVRS = OLED1_DATACMD_GPIO;
// Enable SPI clock.
PM->PM_UNLOCK = PM_UNLOCK_KEY(0xAA) | PM_UNLOCK_ADDR(0x028);
PM->PM_PBAMASK |= PM_PBAMASK_SPI;
// Set up SPI mode
SPI->SPI_MR |= SPI_MR_MSTR | SPI_MR_MODFDIS | SPI_MR_PCS(0b1011);
// Configure NPCS2
SPI->SPI_CSR[2] |= SPI_CSR_SCBR(1) | SPI_CSR_DLYBCT(0x01) | SPI_CSR_CPOL;
//Enable the SPI module.
SPI->SPI_CR |= SPI_CR_SPIEN;
LCD_Poweron_Reset();
#if 1 //128x32
//Set Display off
LCD_buffer[0] = OLED_SET_DISPLAY_OFF;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display clock Div Ration
LCD_buffer[0] = OLED_SET_FREQUENCY;
LCD_buffer[1] = 0x80;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display mux ratio
LCD_buffer[0] = OLED_SET_MUX_RATIO;
LCD_buffer[1] = 0x1F;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display offset
LCD_buffer[0] = OLED_SET_DISP_OFFSET;
LCD_buffer[1] = 0x00;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display Start line
LCD_buffer[0] = OLED_SET_START_LINE(0);
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Enable charge pump
LCD_buffer[0] = 0x8D;
LCD_buffer[1] = 0x14;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display Segment remap
LCD_buffer[0] = OLED_SET_SEG_REMAP_REW;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display COM Scan Direction
LCD_buffer[0] = OLED_SET_COM_SCAN_DIR_REW;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set COM pins HW Config
LCD_buffer[0] = OLED_SET_COM_HW_CONF;
LCD_buffer[1] = 0x02;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Contrast
LCD_buffer[0] = OLED_SET_CONTRAST;
LCD_buffer[1] = 0x8F;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Precharge
LCD_buffer[0] = OLED_SET_PRECHARGE;
LCD_buffer[1] = 0x22;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set VCOMH Deselect Level
LCD_buffer[0] = OLED_SET_VCOM_DESELECT;
LCD_buffer[1] = 0x40;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display On/Off
LCD_buffer[0] = OLED_ENTIRE_DISPLAY_OFF;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display Normal/Inverse
LCD_buffer[0] = OLED_SET_DISPLAY_NORMAL;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display On
LCD_buffer[0] = OLED_SET_DISPLAY_ON;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
#else //128x64
//Set Display off
LCD_buffer[0] = OLED_SET_DISPLAY_OFF;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display clock Div Ration
LCD_buffer[0] = OLED_SET_FREQUENCY;
LCD_buffer[1] = 0x80;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display mux ratio
LCD_buffer[0] = OLED_SET_MUX_RATIO;
LCD_buffer[1] = 0x1F;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display offset
LCD_buffer[0] = OLED_SET_DISP_OFFSET;
LCD_buffer[1] = 0x00;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display Start line
LCD_buffer[0] = OLED_SET_START_LINE(0);
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Enable charge pump
LCD_buffer[0] = 0x8D;
LCD_buffer[1] = 0x14;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display Segment remap
LCD_buffer[0] = OLED_SET_SEG_REMAP_REW;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display COM Scan Direction
LCD_buffer[0] = OLED_SET_COM_SCAN_DIR_REW;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set COM pins HW Config
LCD_buffer[0] = OLED_SET_COM_HW_CONF;
LCD_buffer[1] = 0x12;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Contrast
LCD_buffer[0] = OLED_SET_CONTRAST;
LCD_buffer[1] = 0x9F;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Precharge
LCD_buffer[0] = OLED_SET_PRECHARGE;
LCD_buffer[1] = 0x22;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set VCOMH Deselect Level
LCD_buffer[0] = OLED_SET_VCOM_DESELECT;
LCD_buffer[1] = 0x30;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
//Set Display On/Off
LCD_buffer[0] = OLED_ENTIRE_DISPLAY_OFF;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display Normal/Inverse
LCD_buffer[0] = OLED_SET_DISPLAY_NORMAL;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
//Set Display On
LCD_buffer[0] = OLED_SET_DISPLAY_ON;
SPI_Send_Buffer(&LCD_buffer[0], 1, LCD_COMMAND);
#endif
//Clear all RAM
for(uint8_t page = 0; page<8; page++) {
SPI_Send_Byte(LCD_COMMAND, OLED_SET_START_PAGE(page));
for(uint8_t col = 0; col<128; col++){
SPI_Send_Byte(LCD_DATA, 0x00);
}
}
SPI_Send_Byte(LCD_COMMAND, OLED_SET_START_PAGE(0));
LCD_buffer[0] = 0x22;
LCD_buffer[1] = 0;
LCD_buffer[2] = 3;
SPI_Send_Buffer(&LCD_buffer[0], 3, LCD_COMMAND);
LCD_buffer[0] = OLED_SET_ADDRESS_MODE;
LCD_buffer[1] = 0x00;
SPI_Send_Buffer(&LCD_buffer[0], 2, LCD_COMMAND);
}