2 * This file is part of Cleanflight and Betaflight.
4 * Cleanflight and Betaflight are free software. You can redistribute
5 * this software and/or modify this software under the terms of the
6 * GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option)
10 * Cleanflight and Betaflight are distributed in the hope that they
11 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
12 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 * See the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this software.
18 * If not, see <http://www.gnu.org/licenses/>.
24 #include "drivers/io.h"
26 #include "drivers/timer.h"
27 #include "drivers/timer_def.h"
28 #include "drivers/dma.h"
31 const timerHardware_t timerHardware
[USABLE_TIMER_CHANNEL_COUNT
] = {
33 DEF_TIM(TIM9
, CH2
, PA3
, TIM_USE_PPM
| TIM_USE_PWM
, 0, 0), // PPM / PWM1 / UART2 RX
34 DEF_TIM(TIM9
, CH1
, PA2
, TIM_USE_PWM
, 0, 0), // PPM / PWM2 / UART2 TX
36 #if (SPRACINGF7DUAL_REV <= 1)
37 DEF_TIM(TIM8
, CH2
, PC7
, TIM_USE_MOTOR
, 0, 0), // ESC 1
39 DEF_TIM(TIM8
, CH3
, PC8
, TIM_USE_MOTOR
, 0, 0), // ESC 1
41 DEF_TIM(TIM8
, CH1
, PC6
, TIM_USE_MOTOR
, 0, 0), // ESC 2
42 DEF_TIM(TIM8
, CH4
, PC9
, TIM_USE_MOTOR
, 0, 0), // ESC 3
43 #if (SPRACINGF7DUAL_REV <= 1)
44 DEF_TIM(TIM8
, CH3
, PC8
, TIM_USE_MOTOR
, 0, 0), // ESC 4
46 DEF_TIM(TIM8
, CH2
, PC7
, TIM_USE_MOTOR
, 0, 0), // ESC 4
49 DEF_TIM(TIM4
, CH1
, PB6
, TIM_USE_MOTOR
, 0, 0), // ESC 5 / Conflicts with USART5_RX / SPI3_RX - SPI3_RX can be mapped to DMA1_ST3_CH0
50 DEF_TIM(TIM4
, CH2
, PB7
, TIM_USE_MOTOR
, 0, 0), // ESC 6 / Conflicts with USART3_RX
51 DEF_TIM(TIM3
, CH4
, PB1
, TIM_USE_MOTOR
, 0, 0), // ESC 7
52 DEF_TIM(TIM3
, CH3
, PB0
, TIM_USE_MOTOR
, 0, 0), // ESC 8
54 DEF_TIM(TIM2
, CH2
, PA1
, TIM_USE_LED
, 0, 0), // LED Strip
55 // Additional 2 PWM channels available on UART3 RX/TX pins
56 // However, when using led strip the timer cannot be used, but no code appears to prevent that right now
57 DEF_TIM(TIM2
, CH3
, PB10
, TIM_USE_MOTOR
, 0, 0), // Shared with UART3 TX PIN and SPI3 TX (OSD)
58 DEF_TIM(TIM2
, CH4
, PB11
, TIM_USE_MOTOR
, 0, 0), // Shared with UART3 RX PIN
60 DEF_TIM(TIM1
, CH1
, PA8
, TIM_USE_TRANSPONDER
, 0, 0), // Transponder
61 // Additional 2 PWM channels available on UART1 RX/TX pins
62 // However, when using transponder the timer cannot be used, but no code appears to prevent that right now
63 DEF_TIM(TIM1
, CH2
, PA9
, TIM_USE_SERVO
| TIM_USE_PWM
, 0, 1), // PWM 3
64 DEF_TIM(TIM1
, CH3
, PA10
, TIM_USE_SERVO
| TIM_USE_PWM
, 0, 1), // PWM 4
67 #if (SPRACINGF7DUAL_REV <= 1)
69 #include "drivers/serial.h"
70 #include "drivers/serial_uart.h"
72 void usartTargetConfigure(uartPort_t
*uartPort
)
74 if (uartPort
->USARTx
== USART3
) {
75 uartPort
->Handle
.AdvancedInit
.AdvFeatureInit
|= UART_ADVFEATURE_SWAP_INIT
;
76 uartPort
->Handle
.AdvancedInit
.Swap
= UART_ADVFEATURE_SWAP_ENABLE
;