| /* |
| * \file optimus_led.c |
| * \brief use led to indicate burning states |
| * |
| * \version 1.0.0 |
| * \date 2013/11/9 |
| * \author Sam.Wu <yihui.wu@amlgic.com> |
| * |
| * Copyright (c) 2013 Amlogic Inc.. All Rights Reserved. |
| * |
| */ |
| #include "../v2_burning_i.h" |
| #include "optimus_led.h" |
| |
| #define OPTIMUS_LED_SRC_IS_PWM 1//pwm type led |
| |
| typedef enum{ |
| OPTIMUS_LED_STATE_INVALID = 0XF0 , |
| OPTIMUS_LED_STATE_RED ,//Burning failed if stay on this state |
| OPTIMUS_LED_STATE_GREEN , |
| OPTIMUS_LED_STATE_SLOW_FLICKERING , |
| OPTIMUS_LED_STATE_FAST_FLICKERING ,//fast flickering to catch the eye that it's burning successful |
| |
| }OptimusLedStates_e; |
| |
| #if OPTIMUS_LED_SRC_IS_PWM |
| #define PWM_CHANNEL_INDEX 5 |
| |
| static int optimus_pwm_led_show_state(OptimusLedStates_e ledState) |
| { |
| int rc = 0; |
| int PwmHighLevelPeriod = 0; |
| int PwmLowLevelPeriod = 0; |
| char cmdStr[64]; |
| |
| switch (ledState) |
| { |
| case OPTIMUS_LED_STATE_SLOW_FLICKERING: |
| { |
| PwmHighLevelPeriod = 0xfffe; |
| PwmLowLevelPeriod = PwmHighLevelPeriod; |
| |
| sprintf(cmdStr, "pwm config %d %d %d", PWM_CHANNEL_INDEX, PwmHighLevelPeriod, PwmLowLevelPeriod); |
| } |
| break; |
| |
| case OPTIMUS_LED_STATE_FAST_FLICKERING: |
| { |
| PwmHighLevelPeriod = 0x2000; |
| PwmLowLevelPeriod = PwmHighLevelPeriod; |
| |
| sprintf(cmdStr, "pwm config %d %d %d", PWM_CHANNEL_INDEX, PwmHighLevelPeriod, PwmLowLevelPeriod); |
| } |
| break; |
| |
| case OPTIMUS_LED_STATE_GREEN: |
| { |
| PwmHighLevelPeriod = 0; |
| PwmLowLevelPeriod = 0xffffu;//always low level |
| |
| sprintf(cmdStr, "pwm config %d %d %d", PWM_CHANNEL_INDEX, PwmHighLevelPeriod, PwmLowLevelPeriod); |
| } |
| break; |
| |
| case OPTIMUS_LED_STATE_RED: |
| { |
| PwmHighLevelPeriod = 0xffffu;//always high level |
| PwmLowLevelPeriod = 0; |
| |
| sprintf(cmdStr, "pwm config %d %d %d", PWM_CHANNEL_INDEX, PwmHighLevelPeriod, PwmLowLevelPeriod); |
| } |
| break; |
| default: |
| DWN_ERR("invlaid pwm state %d\n", ledState); |
| return __LINE__; |
| } |
| |
| rc = run_command(cmdStr, 0); |
| if (rc) { |
| DWN_ERR("Fail in run_cmd[%s], ret=%d\n", cmdStr, rc); |
| return __LINE__; |
| } |
| |
| return 0; |
| } |
| |
| int optimus_led_open(int ledType) |
| { |
| const int clkSel = 0; |
| const int clkDiv = 0x7f; |
| const int pinIndex = 0; |
| char cmdStr[64]; |
| int rc = 0; |
| |
| sprintf(cmdStr, "pwm enable %d %d %d %d", PWM_CHANNEL_INDEX, pinIndex, clkSel, clkDiv); |
| rc = run_command(cmdStr, 0); |
| if (rc) { |
| DWN_ERR("Fail in run_cmd[%s], ret=%d\n", cmdStr, rc); |
| return __LINE__; |
| } |
| |
| return 0; |
| } |
| |
| int optimus_led_close(void) |
| { |
| int rc = 0; |
| char cmdStr[64]; |
| |
| sprintf(cmdStr, "pwm disable %d", PWM_CHANNEL_INDEX); |
| rc = run_command(cmdStr, 0); |
| |
| return rc; |
| } |
| |
| int optimus_led_show_in_process_of_burning(void) |
| { |
| return optimus_pwm_led_show_state(OPTIMUS_LED_STATE_SLOW_FLICKERING); |
| } |
| |
| int optimus_led_show_burning_success(void) |
| { |
| optimus_pwm_led_show_state(OPTIMUS_LED_STATE_FAST_FLICKERING); |
| |
| return 0; |
| } |
| |
| int optimus_led_show_burning_failure(void) |
| { |
| return optimus_pwm_led_show_state(OPTIMUS_LED_STATE_RED); |
| } |
| |
| #else |
| int optimus_led_open(int ledType) |
| { |
| return 0; |
| } |
| |
| int optimus_led_close(void) |
| { |
| return 0; |
| } |
| |
| int optimus_led_show_in_process_of_burning(void) |
| { |
| return 0; |
| } |
| |
| int optimus_led_show_burning_success(void) |
| { |
| return 0; |
| } |
| #endif// #if OPTIMUS_LED_SRC_IS_PWM |
| |
| |