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simplify epd driver api

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This commit is contained in:
Shuanglei Tao
2025-03-08 22:23:04 +08:00
parent 27406c577b
commit cc79fcd764
10 changed files with 330 additions and 307 deletions
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103
EPD/EPD_service.c
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@@ -15,12 +15,14 @@
#include "ble_srv_common.h"
#include "nrf_delay.h"
#include "nrf_gpio.h"
#include "app_scheduler.h"
#include "EPD_service.h"
#include "Calendar.h"
#include "nrf_log.h"
#if defined(S112)
#define EPD_CFG_DEFAULT {0x14, 0x13, 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0xFF, 0x12, 0x07} // 52811
//#define EPD_CFG_DEFAULT {0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E, 0x03, 0xFF, 0x0D, 0x02} // 52810
//#define EPD_CFG_DEFAULT {0x14, 0x13, 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0xFF, 0x12, 0x07} // 52811
#define EPD_CFG_DEFAULT {0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E, 0x03, 0xFF, 0x0D, 0x02} // 52810
#else
#define EPD_CFG_DEFAULT {0x05, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x01, 0x07}
#endif
@@ -33,8 +35,40 @@
0X8D, 0X91, 0X28, 0XD8, 0X22, 0X36, 0X75, 0X62}}
#define BLE_UUID_EPD_CHARACTERISTIC 0x0002
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define EPD_CONFIG_SIZE (sizeof(epd_config_t) / sizeof(uint8_t))
extern uint32_t timestamp(void); // defined in main.c
static uint16_t m_driver_refs = 0;
static void epd_gpio_init()
{
if (m_driver_refs == 0) {
NRF_LOG_DEBUG("[EPD]: driver init\n");
EPD_GPIO_Init();
}
m_driver_refs++;
}
static void epd_gpio_uninit()
{
m_driver_refs--;
if (m_driver_refs == 0) {
NRF_LOG_DEBUG("[EPD]: driver exit\n");
EPD_GPIO_Uninit();
}
}
static void calendar_update(void * p_event_data, uint16_t event_size)
{
epd_calendar_update_event_t *event = (epd_calendar_update_event_t *)p_event_data;
ble_epd_t *p_epd = event->p_epd;
p_epd->calendar_mode = true;
epd_gpio_init();
epd_driver_t *drv = epd_model_init((epd_model_id_t)p_epd->config.model_id);
DrawCalendar(drv, event->timestamp);
epd_gpio_uninit();
}
/**@brief Function for handling the @ref BLE_GAP_EVT_CONNECTED event from the S110 SoftDevice.
*
@@ -44,9 +78,9 @@
static void on_connect(ble_epd_t * p_epd, ble_evt_t * p_ble_evt)
{
p_epd->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
epd_gpio_init();
}
/**@brief Function for handling the @ref BLE_GAP_EVT_DISCONNECTED event from the S110 SoftDevice.
*
* @param[in] p_epd EPD Service structure.
@@ -56,6 +90,7 @@ static void on_disconnect(ble_epd_t * p_epd, ble_evt_t * p_ble_evt)
{
UNUSED_PARAMETER(p_ble_evt);
p_epd->conn_handle = BLE_CONN_HANDLE_INVALID;
epd_gpio_uninit();
}
static void epd_service_process(ble_epd_t * p_epd, uint8_t * p_data, uint16_t length)
@@ -73,7 +108,7 @@ static void epd_service_process(ble_epd_t * p_epd, uint8_t * p_data, uint16_t le
case EPD_CMD_SET_PINS:
if (length < 8) return;
DEV_Module_Exit();
EPD_GPIO_Uninit();
EPD_MOSI_PIN = p_epd->config.mosi_pin = p_data[1];
EPD_SCLK_PIN = p_epd->config.sclk_pin = p_data[2];
@@ -86,38 +121,34 @@ static void epd_service_process(ble_epd_t * p_epd, uint8_t * p_data, uint16_t le
EPD_EN_PIN = p_epd->config.en_pin = p_data[8];
epd_config_save(&p_epd->config);
DEV_Module_Init();
EPD_GPIO_Init();
break;
case EPD_CMD_INIT:
if (length > 1)
{
if (epd_driver_set(p_data[1]))
{
p_epd->driver = epd_driver_get();
p_epd->config.driver_id = p_epd->driver->id;
epd_config_save(&p_epd->config);
}
case EPD_CMD_INIT: {
uint8_t id = length > 1 ? p_data[1] : p_epd->config.model_id;
if (id != p_epd->config.model_id) {
p_epd->config.model_id = id;
epd_config_save(&p_epd->config);
}
NRF_LOG_INFO("[EPD]: DRIVER=%d\n", p_epd->driver->id);
p_epd->driver->init();
break;
p_epd->driver = epd_model_init((epd_model_id_t)id);
} break;
case EPD_CMD_CLEAR:
p_epd->calendar_mode = false;
p_epd->driver->clear();
break;
case EPD_CMD_SEND_COMMAND:
if (length < 2) return;
p_epd->driver->send_command(p_data[1]);
EPD_WriteCommand(p_data[1]);
break;
case EPD_CMD_SEND_DATA:
p_epd->driver->send_data(&p_data[1], length - 1);
EPD_WriteData(&p_data[1], length - 1);
break;
case EPD_CMD_DISPLAY:
p_epd->calendar_mode = false;
p_epd->driver->refresh();
break;
@@ -253,21 +284,11 @@ static uint32_t epd_service_init(ble_epd_t * p_epd)
static void ble_epd_config_load(ble_epd_t * p_epd)
{
bool is_empty_config = true;
for (uint8_t i = 0; i < EPD_CONFIG_SIZE; i++)
{
if (((uint8_t *)&p_epd->config)[i] != 0xFF)
{
is_empty_config = false;
}
}
NRF_LOG_DEBUG("is_empty_config: %d\n", is_empty_config);
// write default config
if (is_empty_config)
if (epd_config_empty(&p_epd->config))
{
uint8_t cfg[] = EPD_CFG_DEFAULT;
memcpy(&p_epd->config, cfg, ARRAY_SIZE(cfg));
memcpy(&p_epd->config, cfg, sizeof(cfg));
epd_config_save(&p_epd->config);
}
@@ -282,11 +303,8 @@ static void ble_epd_config_load(ble_epd_t * p_epd)
EPD_EN_PIN = p_epd->config.en_pin;
EPD_LED_PIN = p_epd->config.led_pin;
epd_driver_set(p_epd->config.driver_id);
p_epd->driver = epd_driver_get();
// blink LED on start
if (EPD_LED_PIN != 0xFF)
if (EPD_LED_PIN != EPD_CONFIG_EMPTY)
{
pinMode(EPD_LED_PIN, OUTPUT);
EPD_LED_ON();
@@ -352,3 +370,12 @@ uint32_t ble_epd_string_send(ble_epd_t * p_epd, uint8_t * p_string, uint16_t len
return sd_ble_gatts_hvx(p_epd->conn_handle, &hvx_params);
}
void ble_epd_on_timer(ble_epd_t * p_epd, uint32_t timestamp, bool force_update)
{
// Update calendar on 00:00:00
if (force_update || (p_epd->calendar_mode && timestamp % 86400 == 0)) {
epd_calendar_update_event_t event = { p_epd, timestamp };
app_sched_event_put(&event, sizeof(epd_calendar_update_event_t), calendar_update);
}
}