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Diffstat (limited to 'quantum/visualizer/example_integration/lcd_backlight_hal.c')
-rw-r--r--quantum/visualizer/example_integration/lcd_backlight_hal.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/quantum/visualizer/example_integration/lcd_backlight_hal.c b/quantum/visualizer/example_integration/lcd_backlight_hal.c
deleted file mode 100644
index 913131b169..0000000000
--- a/quantum/visualizer/example_integration/lcd_backlight_hal.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
-The MIT License (MIT)
-
-Copyright (c) 2016 Fred Sundvik
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-*/
-
-#include "lcd_backlight.h"
-#include "hal.h"
-
-#define RED_PIN 1
-#define GREEN_PIN 2
-#define BLUE_PIN 3
-#define CHANNEL_RED FTM0->CHANNEL[0]
-#define CHANNEL_GREEN FTM0->CHANNEL[1]
-#define CHANNEL_BLUE FTM0->CHANNEL[2]
-
-#define RGB_PORT PORTC
-#define RGB_PORT_GPIO GPIOC
-
-// Base FTM clock selection (72 MHz system clock)
-// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period
-// Higher pre-scalar will use the most power (also look the best)
-// Pre-scalar calculations
-// 0 - 72 MHz -> 549 Hz
-// 1 - 36 MHz -> 275 Hz
-// 2 - 18 MHz -> 137 Hz
-// 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
-// 4 - 4 500 kHz -> 34 Hz (Visible flickering)
-// 5 - 2 250 kHz -> 17 Hz
-// 6 - 1 125 kHz -> 9 Hz
-// 7 - 562 500 Hz -> 4 Hz
-// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced
-// Which will reduce the brightness range
-#define PRESCALAR_DEFINE 0
-
-void lcd_backlight_hal_init(void) {
- // Setup Backlight
- SIM->SCGC6 |= SIM_SCGC6_FTM0;
- FTM0->CNT = 0; // Reset counter
-
- // PWM Period
- // 16-bit maximum
- FTM0->MOD = 0xFFFF;
-
- // Set FTM to PWM output - Edge Aligned, Low-true pulses
-#define CNSC_MODE FTM_SC_CPWMS | FTM_SC_PS(4) | FTM_SC_CLKS(0)
- CHANNEL_RED.CnSC = CNSC_MODE;
- CHANNEL_GREEN.CnSC = CNSC_MODE;
- CHANNEL_BLUE.CnSC = CNSC_MODE;
-
- // System clock, /w prescalar setting
- FTM0->SC = FTM_SC_CLKS(1) | FTM_SC_PS(PRESCALAR_DEFINE);
-
- CHANNEL_RED.CnV = 0;
- CHANNEL_GREEN.CnV = 0;
- CHANNEL_BLUE.CnV = 0;
-
- RGB_PORT_GPIO->PDDR |= (1 << RED_PIN);
- RGB_PORT_GPIO->PDDR |= (1 << GREEN_PIN);
- RGB_PORT_GPIO->PDDR |= (1 << BLUE_PIN);
-
-#define RGB_MODE PORTx_PCRn_SRE | PORTx_PCRn_DSE | PORTx_PCRn_MUX(4)
- RGB_PORT->PCR[RED_PIN] = RGB_MODE;
- RGB_PORT->PCR[GREEN_PIN] = RGB_MODE;
- RGB_PORT->PCR[BLUE_PIN] = RGB_MODE;
-}
-
-void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b) {
- CHANNEL_RED.CnV = r;
- CHANNEL_GREEN.CnV = g;
- CHANNEL_BLUE.CnV = b;
-}
-