add: 提交spi从机的初版

app/port/luat_spi_slave_air101.c

@@ -0,0 +1,90 @@
+#include "luat_base.h"
+#include "luat_spi_slave.h"
+
+#define LUAT_LOG_TAG "spislave"
+#include "luat_log.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "wm_hspi.h"
+#include "wm_regs.h"
+#include "wm_config.h"
+#include "wm_mem.h"
+#include "wm_osal.h"
+#include "wm_irq.h"
+//#include "lwip/mem.h"
+#include "wm_io.h"
+#include "wm_gpio_afsel.h"
+
+static int inited;
+
+
+static s16 hsp_rx_cmd_cb(char *buf) {
+    printf("hsp_rx_cmd_cb %p %d", buf, buf[0]);
+    l_spi_slave_event(0, 0, buf, 256);
+    return WM_SUCCESS;
+}
+static s16 hsp_rx_data_cb(char *buf) {
+    printf("hsp_rx_data_cb %p %d %d", buf, buf[0], buf[1]);
+    l_spi_slave_event(0, 1, buf, 1500);
+    return WM_SUCCESS;
+}
+static s16 hsp_tx_data_cb(char *buf) {
+    printf("hsp_tx_data_cb %p %d %d", buf, buf[0], buf[1]);
+    return WM_SUCCESS;
+}
+
+int luat_spi_slave_open(luat_spi_slave_conf_t *conf) {
+    int rc = 0;
+    if (!inited) {
+        rc = tls_slave_spi_init();
+        if (rc) {
+            LLOGE("spi slave 初始化失败 %d", rc);
+            return rc;
+        }
+    }
+    if (conf->id == HSPI_INTERFACE_SPI) {
+        LLOGD("初始化SPI从机为高速SPI模式");
+        wm_hspi_gpio_config(0);
+        tls_set_high_speed_interface_type(HSPI_INTERFACE_SPI);
+    }
+    else if (conf->id == HSPI_INTERFACE_SDIO) {
+        LLOGD("初始化SPI从机为高速SDIO模式");
+        wm_sdio_slave_config(0);
+        tls_set_high_speed_interface_type(HSPI_INTERFACE_SDIO);
+    }
+    else {
+        LLOGE("不支持的SPI从机模式 %d", conf->id);
+        return -1;
+    }
+    tls_set_hspi_user_mode(1);
+    // 注册消息回调
+    tls_hspi_rx_cmd_callback_register(hsp_rx_cmd_cb);
+    tls_hspi_rx_data_callback_register(hsp_rx_data_cb);
+    tls_hspi_tx_data_callback_register(hsp_tx_data_cb);
+
+    return 0;
+}
+
+int luat_spi_slave_close(luat_spi_slave_conf_t *conf) {
+    LLOGW("当前不支持关闭SPI从机");
+    return 0;
+}
+int luat_spi_slave_read(luat_spi_slave_conf_t *conf, uint8_t* src, uint8_t* buf, size_t len) {
+    memcpy(buf, src, len);
+    return len;
+}
+
+int luat_spi_slave_write(luat_spi_slave_conf_t *conf, uint8_t* buf, size_t len) {
+    LLOGD("从机-->主机 写入 %p %d", buf, len);
+    int ret = tls_hspi_tx_data((char*)buf, len);
+    LLOGD("从机-->主机 写入 %p %d %d", buf, len, ret);
+    return 0;
+}
+
+int tls_hspi_writable(void);
+int luat_spi_slave_writable(luat_spi_slave_conf_t *conf) {
+    return tls_hspi_writable();
+}
+

platform/drivers/hspi/wm_hspi.c

@@ -466,4 +466,8 @@ int tls_hspi_tx_data(char *txbuf, int len)
 
 #endif
 
-
+int tls_hspi_writable(void) {
+    struct tls_hspi_tx_desc *tx_desc;
+    tx_desc = g_slave_hspi.curr_tx_desc;
+    return (tx_desc->valid_ctrl & SET_BIT(31)) == 0;
+}

xmake.lua

@@ -407,6 +407,10 @@ target("network")
     -- add_includedirs(luatos.."components/network/ulwip/include",{public = true})
     add_files(luatos.."components/network/ulwip/**.c")
 
+    -- spi slave
+    add_includedirs(luatos.."components/device/spi_slave/include",{public = true})
+    add_files(luatos.."components/device/spi_slave/**.c")
+
 target_end()
 
 target("nes")