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authorUros Majstorovic <majstor@majstor.org>2020-02-26 03:48:50 +0100
committerUros Majstorovic <majstor@majstor.org>2020-02-26 03:48:50 +0100
commit06b5a32ca82128edd807542d633d34897e0f43ef (patch)
treee6f0b871102255226f17c347f82ba93c7ec569d9 /code/fe310/eos/eve/eve_platform.c
parent2079587f0282603170a465e78b8074117fcb8c41 (diff)
eve portable
Diffstat (limited to 'code/fe310/eos/eve/eve_platform.c')
-rw-r--r--code/fe310/eos/eve/eve_platform.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/code/fe310/eos/eve/eve_platform.c b/code/fe310/eos/eve/eve_platform.c
new file mode 100644
index 0000000..e15d414
--- /dev/null
+++ b/code/fe310/eos/eve/eve_platform.c
@@ -0,0 +1,69 @@
+#include <stdlib.h>
+
+#include "encoding.h"
+#include "platform.h"
+
+#include "eos.h"
+#include "interrupt.h"
+#include "event.h"
+#include "timer.h"
+#include "spi.h"
+#include "eve.h"
+#include "eve_platform.h"
+
+#include "irq_def.h"
+
+#define EVE_PIN_INTR 0
+
+static void handle_time(unsigned char type) {
+ eos_spi_dev_start(EOS_DEV_DISP);
+ eve_handle_time();
+ eos_spi_dev_stop();
+}
+
+static void handle_evt(unsigned char type, unsigned char *buffer, uint16_t len) {
+ uint8_t flags;
+
+ eos_spi_dev_start(EOS_DEV_DISP);
+ eve_handle_touch();
+ eos_spi_dev_stop();
+
+ GPIO_REG(GPIO_LOW_IP) = (1 << EVE_PIN_INTR);
+ GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR);
+}
+
+static void handle_intr(void) {
+ GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR);
+ eos_evtq_push_isr(EOS_EVT_UI | EVE_ETYPE_INTR, NULL, 0);
+ return;
+}
+
+void eve_sleep(uint32_t ms) {
+ eos_timer_sleep(ms);
+}
+
+void eve_timer_set(uint32_t ms) {
+ eos_timer_set(ms, EOS_TIMER_ETYPE_UI, 0);
+}
+
+void eve_timer_clear(void) {
+ eos_timer_clear(EOS_TIMER_ETYPE_UI);
+}
+
+uint64_t eve_timer_get_tick(void) {
+ volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
+ return *mtime;
+}
+
+void eve_init_platform(void) {
+ eos_evtq_set_handler(EOS_EVT_UI, handle_evt);
+ eos_timer_set_handler(EOS_TIMER_ETYPE_UI, handle_time);
+
+ GPIO_REG(GPIO_INPUT_EN) |= (1 << EVE_PIN_INTR);
+ GPIO_REG(GPIO_OUTPUT_EN) &= ~(1 << EVE_PIN_INTR);
+ GPIO_REG(GPIO_PULLUP_EN) &= ~(1 << EVE_PIN_INTR);
+ GPIO_REG(GPIO_OUTPUT_XOR) &= ~(1 << EVE_PIN_INTR);
+
+ GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR);
+ eos_intr_set(INT_GPIO_BASE + EVE_PIN_INTR, IRQ_PRIORITY_UI, handle_intr);
+} \ No newline at end of file