static void _ll_backlight_off(void)
{
if (c200v2_variant == 0) {
GPIOA_PIN(5) = 0;
} else {
GPIOA_PIN(7) = 0;
}
}
static void _ll_backlight_on(void)
{
if (c200v2_variant == 0) {
GPIOA_PIN(5) = 1<<5;
} else {
GPIOA_PIN(7) = 1<<7;
}
}
int button_read_device(void)
{
int buttons = 0;
/* Buttons do not appear to need reset */
/* D6 does not appear to need special handling */
#if 0
GPIOB_PIN(0) = 1; /* set B0 */
int delay = 500;
do {
asm volatile("nop\n");
} while (delay--);
#endif
if GPIOD_PIN(6) /* read D6 */
buttons |= BUTTON_POWER;
#if 0
GPIOB_PIN(0) = 0; /* unset B0 */
delay = 240;
do {
asm volatile("nop\n");
} while (delay--);
#endif
if GPIOA_PIN(1)
buttons |= BUTTON_HOME;
if GPIOA_PIN(6)
buttons |= BUTTON_VOL_DOWN;
if GPIOA_PIN(7)
buttons |= BUTTON_VOL_UP;
if GPIOC_PIN(1)
buttons |= BUTTON_DOWN;
if GPIOC_PIN(2)
buttons |= BUTTON_UP;
if GPIOC_PIN(3)
buttons |= BUTTON_LEFT;
if GPIOC_PIN(4)
buttons |= BUTTON_SELECT;
if GPIOC_PIN(5)
buttons |= BUTTON_RIGHT;
return buttons;
}
void lcd_init_device(void)
{
as3525_dbop_init();
GPIOA_DIR |= (0x20|0x1);
GPIOA_DIR &= ~(1<<3);
GPIOA_PIN(3) = 0;
GPIOA_PIN(0) = 1;
GPIOA_PIN(4) = 0;
GPIOB_DIR |= (1<<0)|(1<<2)|(1<<3);
GPIOB_PIN(0) = 1<<0;
GPIOB_PIN(2) = 1<<2;
GPIOB_PIN(3) = 1<<3;
GPIOA_PIN(4) = 1<<4;
GPIOA_PIN(5) = 1<<5;
fuze_display_on();
}
static void _ll_buttonlight_off(void)
{
if (c200v2_variant == 1) {
/* Main buttonlight is on A5 */
GPIOA_PIN(5) = 0;
} else {
/* Needed for buttonlight and MicroSD to work at the same time */
/* Turn ROD control off, as the OF does */
SD_MCI_POWER &= ~(1<<7);
GPIOD_PIN(7) = 0;
GPIOD_DIR &= ~(1<<7);
}
}
void lcd_hw_init(void)
{
CGU_PERI |= CGU_SSP_CLOCK_ENABLE;
SSP_CPSR = AS3525_SSP_PRESCALER; /* OF = 0x10 */
SSP_CR0 = (1<<7) | (1<<6) | 7; /* Motorola SPI frame format, 8 bits */
SSP_CR1 = (1<<3) | (1<<1); /* SSP Operation enabled */
SSP_IMSC = 0; /* No interrupts */
GPIOA_DIR |= (1<<5);
GPIOB_DIR |= (1<<2) | (1<<7);
GPIOB_PIN(7) = 0;
GPIOA_PIN(5) = (1<<5);
}
bool button_hold(void)
{
#ifndef BOOTLOADER
static bool hold_button_old = false;
#endif
bool hold_button = false;
GPIOA_PIN(6) = (1<<6);
if (GPIOA_PIN(2))
hold_button = true;
GPIOA_PIN(6) = 0x00;
#ifndef BOOTLOADER
/* light handling */
if (hold_button != hold_button_old)
{
hold_button_old = hold_button;
backlight_hold_changed(hold_button);
}
#endif /* BOOTLOADER */
return hold_button;
}
/* initialises the host lcd hardware, returns the lcd type */
static int lcd_hw_init(void)
{
/* configure SSP */
bitset32(&CGU_PERI, CGU_SSP_CLOCK_ENABLE);
SSP_CPSR = 4; /* TODO: use AS3525_SSP_PRESCALER, OF uses 8 */
SSP_CR0 = (0 << 8) | /* SCR, serial clock rate divider = 1 */
(1 << 7) | /* SPH, phase = 1 */
(1 << 6) | /* SPO, polarity = 1 */
(0 << 4) | /* FRF, frame format = motorola SPI */
(7 << 0); /* DSS, data size select = 8 bits */
SSP_CR1 = (1 << 3) | /* SOD, slave output disable = 1 */
(0 << 2) | /* MS, master/slave = master */
(1 << 1) | /* SSE, synchronous serial port enabled = true */
(0 << 0); /* LBM, loopback mode = normal */
SSP_IMSC &= ~0xF; /* disable interrupts */
SSP_DMACR &= ~0x3; /* disable DMA */
/* GPIO A3 is ??? but needs to be set */
GPIOA_DIR |= (1 << 3);
GPIOA_PIN(3) = (1 << 3);
/* configure GPIO B2 (lcd D/C#) as output */
GPIOB_DIR |= (1<<2);
/* configure GPIO B3 (lcd type detect) as input */
GPIOB_DIR &= ~(1<<3);
/* configure GPIO A5 (lcd reset#) as output and perform lcd reset */
GPIOA_DIR |= (1 << 5);
GPIOA_PIN(5) = 0;
sleep(HZ * 50/1000);
GPIOA_PIN(5) = (1 << 5);
/* detect lcd type on GPIO B3 */
return GPIOB_PIN(3) ? 1 : 0;
}
void _buttonlight_off(void)
{
GPIOA_DIR |= (1<<5);
GPIOA_PIN(5) = 0; /* set pin a5 low */
}
void _buttonlight_on(void)
{
GPIOA_DIR |= (1<<5);
GPIOA_PIN(5) = (1<<5); /* set pin a5 high */
}
void button_init_device(void)
{
GPIOA_DIR |= (1<<1);
GPIOA_PIN(1) = (1<<1);
}
int button_read_device(void)
{
int result = BUTTON_NONE;
if(button_hold())
return result;
/* direct GPIO connections */
if (GPIOA_PIN(3))
result |= BUTTON_POWER;
/* This is a keypad using A4-A6 as columns and A0-A2 as rows */
GPIOA_PIN(4) = (1<<4);
btn_delay();
/* A4A0 is unused */
if (GPIOA_PIN(1))
result |= BUTTON_VOL_DOWN;
if (GPIOA_PIN(2))
result |= BUTTON_UP;
GPIOA_PIN(4) = 0x00;
GPIOA_PIN(5) = (1<<5);
btn_delay();
if (GPIOA_PIN(0))
result |= BUTTON_LEFT;
if (GPIOA_PIN(1))
result |= BUTTON_SELECT;
if (GPIOA_PIN(2))
result |= BUTTON_RIGHT;
GPIOA_PIN(5) = 0x00;
GPIOA_PIN(6) = (1<<6);
btn_delay();
if (GPIOA_PIN(0))
result |= BUTTON_DOWN;
if (GPIOA_PIN(1))
result |= BUTTON_VOL_UP;
/* hold button is read in button_hold() */
GPIOA_PIN(6) = 0x00;
return result;
}
