#include "asm/includes.h" #include "system/includes.h" #include "app_config.h" #include "chargebox.h" #if TCFG_HANDSHAKE_ENABLE #define HS_TIMER JL_TIMER2 static u16 delay_tap[HS_DELAY_16US + 1] = { 19, 39, 52, 141, 158, 309, 355,//timer clk = 24M, sys clk = 48m }; /*------------------------------------------------------------------------------------*/ /**@brief lighting握手延时 @param 无 @return 无 @note 提供不同的ms级延时 */ /*------------------------------------------------------------------------------------*/ void handshake_timer_delay_ms(u8 ms) { HS_TIMER->CNT = 0; #if (TCFG_CLOCK_SYS_SRC == SYS_CLOCK_INPUT_PLL_RCL) HS_TIMER->PRD = ms * (clk_get("lsb") / (2 * 1000)); HS_TIMER->CON = BIT(0) | BIT(6) | BIT(14); //系统时钟,lsb, div 2 #else HS_TIMER->PRD = ms * (clk_get("timer") / 1000); HS_TIMER->CON = BIT(0) | BIT(3) | BIT(14); //1分频,osc时钟,24m,24次就1us #endif while (!(HS_TIMER->CON & BIT(15))); //等pending HS_TIMER->CON = 0; } /*------------------------------------------------------------------------------------*/ /**@brief lighting握手延时 @param 无 @return 无 @note 提供不同的us级延时 */ /*------------------------------------------------------------------------------------*/ SEC(.chargebox_code) void handshake_timer_delay_us(u8 us) { //delay 值要根据不同的频率去调整,小于48m的要先设置48m,方便延时 HS_TIMER->CNT = 0; #if (TCFG_CLOCK_SYS_SRC == SYS_CLOCK_INPUT_PLL_RCL) HS_TIMER->PRD = delay_tap[us];//这里不允许做乘除法 HS_TIMER->CON = BIT(0) | BIT(6) | BIT(14); //系统时钟,lsb, div 2, 必须为24M #else HS_TIMER->PRD = delay_tap[us]; HS_TIMER->CON = BIT(0) | BIT(3) | BIT(14); //1分频,osc时钟,24m,24次就1us #endif while (!(HS_TIMER->CON & BIT(15))); //等pending HS_TIMER->CON = 0; } #endif