summaryrefslogtreecommitdiff
path: root/fw/fe310/eos/eve/eve.c
diff options
context:
space:
mode:
authorUros Majstorovic <majstor@majstor.org>2021-12-07 20:14:23 +0100
committerUros Majstorovic <majstor@majstor.org>2021-12-07 20:14:23 +0100
commit9c8f5a5e8f11e4a5012d55b96afae290242b8fdd (patch)
tree785538c3539d0b3d710f983c55c089567f5a458a /fw/fe310/eos/eve/eve.c
parent7ded8116d90081851e0ddb1b4bdd77b645f6535c (diff)
fixed eve, spi start/stop interface
Diffstat (limited to 'fw/fe310/eos/eve/eve.c')
-rw-r--r--fw/fe310/eos/eve/eve.c130
1 files changed, 58 insertions, 72 deletions
diff --git a/fw/fe310/eos/eve/eve.c b/fw/fe310/eos/eve/eve.c
index ddfd4c0..7bb8ff4 100644
--- a/fw/fe310/eos/eve/eve.c
+++ b/fw/fe310/eos/eve/eve.c
@@ -303,7 +303,14 @@ void eve_cmd_burst_end(void) {
cmd_burst = 0;
}
-static int _init(uint8_t gpio_dir) {
+void eve_handle_intr(void) {
+ uint16_t intr_flags;
+
+ intr_flags = eve_read16(REG_INT_FLAGS);
+ eve_handle_touch(intr_flags);
+}
+
+int eve_init(uint8_t gpio_dir, int touch_calibrate, uint32_t *touch_matrix) {
uint8_t chipid = 0;
uint8_t reset = 0x07;
uint16_t timeout;
@@ -359,6 +366,9 @@ static int _init(uint8_t gpio_dir) {
eve_write8(REG_VOL_SOUND, 0x00); /* turn synthesizer volume off */
eve_write8(REG_VOL_PB, 0x00); /* turn recorded audio volume off */
+ /* configure interrupts */
+ eve_write16(REG_INT_MASK, 0);
+
/* write a basic display-list to get things started */
eve_dl_start(EVE_RAM_DL, 0);
eve_dl_write(CLEAR_COLOR_RGB(0,0,0));
@@ -372,18 +382,35 @@ static int _init(uint8_t gpio_dir) {
#endif
/* nothing is being displayed yet... the pixel clock is still 0x00 */
+ eve_touch_init(touch_calibrate, touch_matrix);
return EVE_OK;
}
-static void _start(void) {
+void eve_start(void) {
+ eve_touch_start();
+
+ /* enable interrupts */
+ eve_write8(REG_INT_EN, 0x01);
+ while(eve_read8(REG_INT_FLAGS));
+}
+
+void eve_stop(void) {
+ eve_touch_stop();
+
+ /* disable interrupts */
+ eve_write8(REG_INT_EN, 0x00);
+ while(eve_read8(REG_INT_FLAGS));
+}
+
+void eve_start_clk(void) {
uint16_t gpiox;
+ eve_write8(REG_PCLK, EVE_PCLK); /* start clocking data to the LCD panel */
gpiox = eve_read16(REG_GPIOX) | 0x8000;
- eve_write16(REG_GPIOX, gpiox); /* enable the DISP signal to the LCD panel, it is set to output in REG_GPIOX_DIR by default */
- eve_write8(REG_PCLK, EVE_PCLK); /* now start clocking data to the LCD panel */
+ eve_write16(REG_GPIOX, gpiox); /* enable the DISP signal to the LCD panel, it is set to output in REG_GPIOX_DIR */
}
-static void _stop(void) {
+void eve_stop_clk(void) {
uint16_t gpiox;
gpiox = eve_read16(REG_GPIOX) & ~0x8000;
@@ -391,45 +418,43 @@ static void _stop(void) {
eve_write8(REG_PCLK, 0);
}
-int eve_init(uint8_t wakeup_cause, int touch_calibrate, uint32_t *touch_matrix, uint8_t gpio_dir) {
- int rv;
- int rst = (wakeup_cause == EVE_WAKE_RST);
-
- if (rst) {
- int rv = _init(gpio_dir);
- if (rv) return rv;
- } else {
- eve_command(EVE_ACTIVE, 0);
- eve_time_sleep(40);
- }
+void eve_active(void) {
+ eve_command(EVE_ACTIVE, 0);
+ eve_time_sleep(40);
+}
- rv = eve_touch_init(wakeup_cause, touch_calibrate, touch_matrix);
- if (rv) return rv;
+void eve_standby(void) {
+ if (power_state != EVE_PSTATE_ACTIVE) return;
- eve_platform_init();
+ eve_command(EVE_STANDBY, 0);
- return EVE_OK;
+ power_state = EVE_PSTATE_STANDBY;
}
-int eve_run(uint8_t wakeup_cause) {
- int rv;
+void eve_sleep(void) {
+ if (power_state != EVE_PSTATE_ACTIVE) return;
- _start();
- rv = eve_touch_run(wakeup_cause);
+ eve_stop_clk();
+ eve_stop();
- return rv;
-}
+ eve_command(EVE_SLEEP, 0);
-void eve_start(void) {
- _start();
- eve_touch_start();
+ power_state = EVE_PSTATE_SLEEP;
}
-void eve_stop(void) {
- uint16_t gpiox;
+void eve_wake(void) {
+ eve_active();
- eve_touch_stop();
- _stop();
+ if (power_state == EVE_PSTATE_SLEEP) {
+ eve_start();
+ eve_start_clk();
+ }
+
+ power_state = EVE_PSTATE_ACTIVE;
+}
+
+void eve_brightness(uint8_t b) {
+ eve_write8(REG_PWM_DUTY, b);
}
int eve_gpio_get(int gpio) {
@@ -459,42 +484,3 @@ void eve_gpio_set_dir(uint8_t dir) {
reg |= dir & 0x0f;
eve_write16(REG_GPIOX_DIR, reg);
}
-
-void eve_standby(void) {
- uint16_t gpiox;
-
- if (power_state != EVE_PSTATE_ACTIVE) return;
-
- eve_command(EVE_STANDBY, 0);
-
- power_state = EVE_PSTATE_STANDBY;
-}
-
-void eve_sleep(void) {
- uint16_t gpiox;
-
- if (power_state != EVE_PSTATE_ACTIVE) return;
-
- eve_stop();
-
- eve_command(EVE_SLEEP, 0);
-
- power_state = EVE_PSTATE_SLEEP;
-}
-
-void eve_active(void) {
- uint16_t gpiox;
-
- eve_command(EVE_ACTIVE, 0);
-
- if (power_state == EVE_PSTATE_SLEEP) {
- eve_time_sleep(40);
- eve_start();
- }
-
- power_state = EVE_PSTATE_ACTIVE;
-}
-
-void eve_brightness(uint8_t b) {
- eve_write8(REG_PWM_DUTY, b);
-}