diff options
Diffstat (limited to 'src/stm32/stm32f1.c')
| -rw-r--r-- | src/stm32/stm32f1.c | 78 |
1 files changed, 34 insertions, 44 deletions
diff --git a/src/stm32/stm32f1.c b/src/stm32/stm32f1.c index 86a5efac..b9c1a434 100644 --- a/src/stm32/stm32f1.c +++ b/src/stm32/stm32f1.c @@ -128,55 +128,45 @@ gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup) // way from other STM32s. // Code below is emulating a few mappings to work like an STM32F4 uint32_t func = (mode >> 4) & 0xf; - if (gpio == GPIO('B', 8) || gpio == GPIO('B', 9)) { - if (func == 9) { - // CAN - stm32f1_alternative_remap(AFIO_MAPR_CAN_REMAP_Msk, - AFIO_MAPR_CAN_REMAP_REMAP2); - } else if (func == 4) { - // I2C1 Alt + if (func == 1) { + // TIM2 + if (gpio == GPIO('A', 15) || gpio == GPIO('B', 3)) + stm32f1_alternative_remap(AFIO_MAPR_TIM2_REMAP_Msk, + AFIO_MAPR_TIM2_REMAP_PARTIALREMAP1); + else if (gpio == GPIO('B', 10) || gpio == GPIO('B', 11)) + stm32f1_alternative_remap(AFIO_MAPR_TIM2_REMAP_Msk, + AFIO_MAPR_TIM2_REMAP_PARTIALREMAP2); + } else if (func == 2) { + // TIM3 and TIM4 + if (gpio == GPIO('B', 4) || gpio == GPIO('B', 5)) + stm32f1_alternative_remap(AFIO_MAPR_TIM3_REMAP_Msk, + AFIO_MAPR_TIM3_REMAP_PARTIALREMAP); + else if (gpio == GPIO('C', 6) || gpio == GPIO('C', 7) + || gpio == GPIO('C', 8) || gpio == GPIO('C', 9)) + stm32f1_alternative_remap(AFIO_MAPR_TIM3_REMAP_Msk, + AFIO_MAPR_TIM3_REMAP_FULLREMAP); + else if (gpio == GPIO('D', 12) || gpio == GPIO('D', 13) + || gpio == GPIO('D', 14) || gpio == GPIO('D', 15)) + stm32f1_alternative_remap(AFIO_MAPR_TIM4_REMAP_Msk, + AFIO_MAPR_TIM4_REMAP); + } else if (func == 4) { + // I2C + if (gpio == GPIO('B', 8) || gpio == GPIO('B', 9)) stm32f1_alternative_remap(AFIO_MAPR_I2C1_REMAP_Msk, AFIO_MAPR_I2C1_REMAP); - } - } else if ((gpio == GPIO('A', 15) - || gpio == GPIO('B', 3)) && (func == 1)) { - // TIM2 CH1/2 - stm32f1_alternative_remap(AFIO_MAPR_TIM2_REMAP_PARTIALREMAP1_Msk, - AFIO_MAPR_TIM2_REMAP_PARTIALREMAP1); - } else if ((gpio == GPIO('B', 10) - || gpio == GPIO('B', 11)) && (func == 1)) { - // TIM2 CH3/4 - stm32f1_alternative_remap(AFIO_MAPR_TIM2_REMAP_PARTIALREMAP2_Msk, - AFIO_MAPR_TIM2_REMAP_PARTIALREMAP2); - } else if ((gpio == GPIO('B', 4) - || gpio == GPIO('B', 5)) && (func == 2)) { - // TIM3 partial remap - stm32f1_alternative_remap(AFIO_MAPR_TIM3_REMAP_PARTIALREMAP_Msk, - AFIO_MAPR_TIM3_REMAP_PARTIALREMAP); - } else if ((gpio == GPIO('C', 6) - || gpio == GPIO('C', 7) - || gpio == GPIO('C', 8) - || gpio == GPIO('C', 9)) && (func == 2)) { - // TIM3 full remap - stm32f1_alternative_remap(AFIO_MAPR_TIM3_REMAP_FULLREMAP_Msk, - AFIO_MAPR_TIM3_REMAP_FULLREMAP); - } else if ((gpio == GPIO('D', 8) || gpio == GPIO('D', 9)) && func == 7) { - // USART3 remap - stm32f1_alternative_remap(AFIO_MAPR_USART3_REMAP_FULLREMAP_Msk, - AFIO_MAPR_USART3_REMAP_FULLREMAP); - } else if ((gpio == GPIO('D', 12) - || gpio == GPIO('D', 13) - || gpio == GPIO('D', 14) - || gpio == GPIO('D', 15)) && (func == 2)) { - // TIM4 - stm32f1_alternative_remap(AFIO_MAPR_TIM4_REMAP_Msk, - AFIO_MAPR_TIM4_REMAP); + } else if (func == 7) { + // USART + if (gpio == GPIO('D', 8) || gpio == GPIO('D', 9)) + stm32f1_alternative_remap(AFIO_MAPR_USART3_REMAP_Msk, + AFIO_MAPR_USART3_REMAP_FULLREMAP); + } else if (func == 9) { + // CAN + if (gpio == GPIO('B', 8) || gpio == GPIO('B', 9)) + stm32f1_alternative_remap(AFIO_MAPR_CAN_REMAP_Msk, + AFIO_MAPR_CAN_REMAP_REMAP2); } - // Add more as needed } - - // Handle USB reboot requests void usb_request_bootloader(void) |