fix code-style issues

lib/gfx/GUI_DEV/DEV_Config.c

-/*****************************************************************************
-* | File        :   DEV_Config.c
-* | Author      :   Waveshare team
-* | Function    :   Hardware underlying interface
-* | Info        :
-*                Used to shield the underlying layers of each master 
-*                and enhance portability
-*----------------
-* | This version:   V1.0
-* | Date        :   2018-11-22
-* | Info        :
-
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documnetation 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
-# furished 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 OR 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 "DEV_Config.h"
-#include "spi.h"
-
-#define SPI SPI2
-
-//const gpio_cfg_t DEV_CS_PIN = {PORT_0, PIN_8, GPIO_FUNC_OUT, GPIO_PAD_NONE};
-//const gpio_cfg_t DEV_BL_PIN = {PORT_0, PIN_8, GPIO_FUNC_OUT, GPIO_PAD_NONE};
-static spi_req_t req = {.rx_data = NULL, .bits=8, .width = SPI17Y_WIDTH_1, .ssel = 0, .deass = 1, .ssel_pol = SPI17Y_POL_LOW, .tx_num = 0, .rx_num = 0};
-#define SPI_SPEED (15 * 1000 * 1000) // Bit Rate. Display has 15 MHz limit
-
-/********************************************************************************/
-void lcd_write(uint8_t *data, int size)
-{
-    sys_cfg_spi_t spi17y_master_cfg;
-
-    spi17y_master_cfg.map = MAP_A;
-    spi17y_master_cfg.ss0 = Enable;
-    spi17y_master_cfg.ss1 = Disable;
-    spi17y_master_cfg.ss2 = Disable;
-    if (SPI_Init(SPI2, 0, SPI_SPEED, spi17y_master_cfg) != 0) {
-        printf("Error configuring SPI\n");
-        while (1)
-            ;
-    }
-    req.tx_data = data;
-    req.len = size;
-    SPI_MasterTrans(SPI, &req);
-}
-
-// Parameters for PWM output
-#define PORT_PWM PORT_0 // port
-#define PIN_PWM PIN_28  // pin
-#define FREQ 200        // (Hz)
-#define PWM_TIMER MXC_TMR4 // must change PORT_PWM and PIN_PWM if changed
-void DEV_Set_BL(uint16_t _Value)
-{
-	// Declare variables
-	gpio_cfg_t gpio_pwm;   // to configure GPIO
-	tmr_cfg_t tmr;         // to congigure timer
-	tmr_pwm_cfg_t tmr_pwm; // for configure PWM
-	unsigned int period_ticks = PeripheralClock / FREQ;
-	unsigned int duty_ticks   = period_ticks * _Value / 1000;
-
-	// Congfigure GPIO port and pin for PWM
-	gpio_pwm.func = GPIO_FUNC_ALT4;
-	gpio_pwm.port = PORT_PWM;
-	gpio_pwm.mask = PIN_PWM;
-	gpio_pwm.pad  = GPIO_PAD_PULL_DOWN;
-
-	if (GPIO_Config(&gpio_pwm) != E_NO_ERROR) {
-		printf("Failed GPIO_Config for pwm.\n");
-	}
-
-	/* 
-    Steps for configuring a timer for PWM mode:
-    1. Disable the timer
-    2. Set the prescale value
-    3. Configure the timer for PWM mode
-    4. Set polarity, pwm parameters
-    5. Enable Timer
-    */
-
-	TMR_Disable(PWM_TIMER);
-
-	TMR_Init(PWM_TIMER, TMR_PRES_1, 0);
-
-	tmr.mode    = TMR_MODE_PWM;
-	tmr.cmp_cnt = period_ticks;
-	tmr.pol     = 0;
-	TMR_Config(PWM_TIMER, &tmr);
-
-	tmr_pwm.pol      = 1;
-	tmr_pwm.per_cnt  = period_ticks;
-	tmr_pwm.duty_cnt = duty_ticks;
-
-	if (TMR_PWMConfig(PWM_TIMER, &tmr_pwm) != E_NO_ERROR) {
-		printf("Failed TMR_PWMConfig.\n");
-	}
-
-	TMR_Enable(PWM_TIMER);
-
-	printf("PWM started.\n");
-}
-
+/*****************************************************************************
+* | File        :   DEV_Config.c
+* | Author      :   Waveshare team
+* | Function    :   Hardware underlying interface
+* | Info        :
+*                Used to shield the underlying layers of each master 
+*                and enhance portability
+*----------------
+* | This version:   V1.0
+* | Date        :   2018-11-22
+* | Info        :
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation 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
+# furished 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 OR 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 "DEV_Config.h"
+#include "spi.h"
+
+#define SPI SPI2
+
+//const gpio_cfg_t DEV_CS_PIN = {PORT_0, PIN_8, GPIO_FUNC_OUT, GPIO_PAD_NONE};
+//const gpio_cfg_t DEV_BL_PIN = {PORT_0, PIN_8, GPIO_FUNC_OUT, GPIO_PAD_NONE};
+static spi_req_t req = { .rx_data  = NULL,
+			 .bits     = 8,
+			 .width    = SPI17Y_WIDTH_1,
+			 .ssel     = 0,
+			 .deass    = 1,
+			 .ssel_pol = SPI17Y_POL_LOW,
+			 .tx_num   = 0,
+			 .rx_num   = 0 };
+#define SPI_SPEED (15 * 1000 * 1000) // Bit Rate. Display has 15 MHz limit
+
+/********************************************************************************/
+void lcd_write(uint8_t *data, int size)
+{
+	sys_cfg_spi_t spi17y_master_cfg;
+
+	spi17y_master_cfg.map = MAP_A;
+	spi17y_master_cfg.ss0 = Enable;
+	spi17y_master_cfg.ss1 = Disable;
+	spi17y_master_cfg.ss2 = Disable;
+	if (SPI_Init(SPI2, 0, SPI_SPEED, spi17y_master_cfg) != 0) {
+		printf("Error configuring SPI\n");
+		while (1)
+			;
+	}
+	req.tx_data = data;
+	req.len     = size;
+	SPI_MasterTrans(SPI, &req);
+}
+
+// Parameters for PWM output
+#define PORT_PWM PORT_0    // port
+#define PIN_PWM PIN_28     // pin
+#define FREQ 200           // (Hz)
+#define PWM_TIMER MXC_TMR4 // must change PORT_PWM and PIN_PWM if changed
+void DEV_Set_BL(uint16_t _Value)
+{
+	// Declare variables
+	gpio_cfg_t gpio_pwm;   // to configure GPIO
+	tmr_cfg_t tmr;         // to congigure timer
+	tmr_pwm_cfg_t tmr_pwm; // for configure PWM
+	unsigned int period_ticks = PeripheralClock / FREQ;
+	unsigned int duty_ticks   = period_ticks * _Value / 1000;
+
+	// Congfigure GPIO port and pin for PWM
+	gpio_pwm.func = GPIO_FUNC_ALT4;
+	gpio_pwm.port = PORT_PWM;
+	gpio_pwm.mask = PIN_PWM;
+	gpio_pwm.pad  = GPIO_PAD_PULL_DOWN;
+
+	if (GPIO_Config(&gpio_pwm) != E_NO_ERROR) {
+		printf("Failed GPIO_Config for pwm.\n");
+	}
+
+	/* 
+    Steps for configuring a timer for PWM mode:
+    1. Disable the timer
+    2. Set the prescale value
+    3. Configure the timer for PWM mode
+    4. Set polarity, pwm parameters
+    5. Enable Timer
+    */
+
+	TMR_Disable(PWM_TIMER);
+
+	TMR_Init(PWM_TIMER, TMR_PRES_1, 0);
+
+	tmr.mode    = TMR_MODE_PWM;
+	tmr.cmp_cnt = period_ticks;
+	tmr.pol     = 0;
+	TMR_Config(PWM_TIMER, &tmr);
+
+	tmr_pwm.pol      = 1;
+	tmr_pwm.per_cnt  = period_ticks;
+	tmr_pwm.duty_cnt = duty_ticks;
+
+	if (TMR_PWMConfig(PWM_TIMER, &tmr_pwm) != E_NO_ERROR) {
+		printf("Failed TMR_PWMConfig.\n");
+	}
+
+	TMR_Enable(PWM_TIMER);
+
+	printf("PWM started.\n");
+}