diff options
Diffstat (limited to 'fw/fe310/eos/eve/eve_eos.c')
| -rw-r--r-- | fw/fe310/eos/eve/eve_eos.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/fw/fe310/eos/eve/eve_eos.c b/fw/fe310/eos/eve/eve_eos.c new file mode 100644 index 0000000..35c237e --- /dev/null +++ b/fw/fe310/eos/eve/eve_eos.c @@ -0,0 +1,88 @@ +#include <stdlib.h> + +#include "platform.h" + +#include "eos.h" +#include "interrupt.h" +#include "event.h" +#include "power.h" + +#include "board.h" + +#include "eve.h" +#include "eve_eos.h" + +static int _run; + +static void handle_time(unsigned char type) { + if (_run) { + eve_spi_start(); + eve_handle_time(); + eve_spi_stop(); + } +} + +static void handle_evt(unsigned char type, unsigned char *buffer, uint16_t len) { + if (_run) { + eve_spi_start(); + eve_handle_intr(); + eve_spi_stop(); + + GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR); + } +} + +static void handle_intr(void) { + GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR); + GPIO_REG(GPIO_LOW_IP) = (1 << EVE_PIN_INTR); + eos_evtq_push_isr(EOS_EVT_UI | EVE_ETYPE_INTR, NULL, 0); +} + +int eos_eve_init(uint8_t wakeup_cause, uint8_t gpio_dir, int touch_calibrate, uint32_t *touch_matrix) { + int rst = (wakeup_cause == EOS_PWR_WAKE_RST); + int rv; + + if (rst) { + rv = eve_init(gpio_dir, touch_calibrate, touch_matrix); + if (rv) return EOS_ERR; + } else { + eve_active(); + } + + eos_evtq_set_handler(EOS_EVT_UI, handle_evt); + eos_timer_set_handler(EOS_TIMER_ETYPE_UI, handle_time); + eos_intr_set(INT_GPIO_BASE + EVE_PIN_INTR, IRQ_PRIORITY_UI, handle_intr); + eos_intr_disable(INT_GPIO_BASE + EVE_PIN_INTR); + + return EOS_OK; +} + +int eos_eve_run(uint8_t wakeup_cause) { + eos_eve_start(); + eve_start_clk(); + + return EOS_OK; +} + +void eos_eve_start(void) { + eve_start(); + + 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_enable(INT_GPIO_BASE + EVE_PIN_INTR); + _run = 1; +} + +void eos_eve_stop(void) { + _run = 0; + eos_intr_disable(INT_GPIO_BASE + EVE_PIN_INTR); + + GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR); + + eve_stop(); +}
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