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@@ -17,7 +17,7 @@ extern const sdf_opts_t sfd_mem_opts;
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/*
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初始化spi flash
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@api sfd.init(type, spi_id, spi_cs)
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-@string 类型, 可以是spi, 也可以是zbuff
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+@string 类型, 可以是"spi", 也可以是"zbuff"
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@int SPI总线的id, 或者 zbuff实例
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@int SPI FLASH的片选脚对应的GPIO, 当类型是spi时才需要传
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@return userdata 成功返回一个数据结构,否则返回nil
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@@ -67,9 +67,9 @@ static int l_sfd_init(lua_State *L) {
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检查spi flash状态
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@api sfd.status(drv)
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@userdata sfd.init返回的数据结构
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-@return int 状态值,0 未初始化成功,1初始化成功且空闲,2正忙
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+@return int 状态值, 0 未初始化成功,1初始化成功且空闲,2正忙
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@usage
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-local drv = sfd.init(0, 17)
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+local drv = sfd.init("spi", 0, 17)
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if drv then
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log.info("sfd", "status", sfd.status(drv))
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end
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@@ -88,7 +88,7 @@ static int l_sfd_status(lua_State *L) {
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@int 读取长度,当前限制在256以内
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@return string 数据
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@usage
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-local drv = sfd.init(0, 17)
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+local drv = sfd.init("spi", 0, 17)
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if drv then
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log.info("sfd", "read", sfd.read(drv, 0x100, 256))
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end
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@@ -112,7 +112,7 @@ static int l_sfd_read(lua_State *L) {
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@string 需要写入的数据,当前支持256字节及以下
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@return boolean 成功返回true,失败返回false
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@usage
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-local drv = sfd.init(0, 17)
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+local drv = sfd.init("spi", 0, 17)
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if drv then
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log.info("sfd", "write", sfd.write(drv, 0x100, "hi,luatos"))
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end
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@@ -134,7 +134,7 @@ static int l_sfd_write(lua_State *L) {
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@int 起始偏移量
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@return boolean 成功返回true,失败返回false
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@usage
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-local drv = sfd.init(0, 17)
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+local drv = sfd.init("spi", 0, 17)
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if drv then
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log.info("sfd", "write", sfd.erase(drv, 0x100))
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end
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@@ -158,7 +158,7 @@ static int l_sfd_ioctl(lua_State *L) {
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@userdata sfd.init返回的数据结构
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@return string 8字节(64bit)的芯片id
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@usage
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-local drv = sfd.init(0, 17)
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+local drv = sfd.init("spi", 0, 17)
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if drv then
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log.info("sfd", "chip id", sfd.id(drv))
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end
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Wendal Chen