mbed library with additional peripherals for ST F401 board
Fork of mbed-src by
This mbed LIB has additional peripherals for ST F401 board
- UART2 : PA_3 rx, PA_2 tx
- UART3 : PC_7 rx, PC_6 tx
- I2C2 : PB_3 SDA, PB_10 SCL
- I2C3 : PB_4 SDA, PA_8 SCL
Revision 88:81f18c97d490, committed 2014-02-10
- Comitter:
- mbed_official
- Date:
- Mon Feb 10 19:00:06 2014 +0000
- Parent:
- 87:085cde657901
- Child:
- 89:9655231f5786
- Commit message:
- Synchronized with git revision 82b58af42c386d68aa6f12d8cfcae87f0f448b73
Full URL: https://github.com/mbedmicro/mbed/commit/82b58af42c386d68aa6f12d8cfcae87f0f448b73/
[NUCLEO_F401RE] Corrections in uvision exporter, GPIOs setting and SPI.
Changed in this revision
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/spi_api.c Sat Feb 08 19:45:06 2014 +0000 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/spi_api.c Mon Feb 10 19:00:06 2014 +0000 @@ -57,8 +57,6 @@ // Only used in Slave mode static const PinMap PinMap_SPI_SSEL[] = { {PB_6, SPI_1, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 0)}, // Generic IO, not real H/W NSS pin - //{PA_4, SPI_1, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 0)}, - //{PA_15, SPI_1, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 1)}, // Remap {NC, NC, 0} }; @@ -102,9 +100,6 @@ if (obj->spi == SPI_1) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE); } - if (obj->spi == SPI_2) { - RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); - } // Configure the SPI pins pinmap_pinout(mosi, PinMap_SPI_MOSI); @@ -115,7 +110,7 @@ obj->bits = SPI_DataSize_8b; obj->cpol = SPI_CPOL_Low; obj->cpha = SPI_CPHA_1Edge; - obj->br_presc = SPI_BaudRatePrescaler_64; // Closest to 1MHz (72MHz/64 = 1.125MHz) + obj->br_presc = SPI_BaudRatePrescaler_256; // 1MHz if (ssel == NC) { // Master obj->mode = SPI_Mode_Master; @@ -176,11 +171,8 @@ } void spi_frequency(spi_t *obj, int hz) { - // Get SPI clock frequency - uint32_t PCLK = SystemCoreClock >> 1; - // Choose the baud rate divisor (between 2 and 256) - uint32_t divisor = PCLK / hz; + uint32_t divisor = SystemCoreClock / hz; // Find the nearest power-of-2 divisor = (divisor > 0 ? divisor-1 : 0);
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c Sat Feb 08 19:45:06 2014 +0000 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c Mon Feb 10 19:00:06 2014 +0000 @@ -43,12 +43,12 @@ #define LONG_TIMEOUT ((int)0x8000) static const PinMap PinMap_I2C_SDA[] = { - {PB_9, I2C_1, STM_PIN_DATA(GPIO_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, + {PB_9, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, {NC, NC, 0} }; static const PinMap PinMap_I2C_SCL[] = { - {PB_8, I2C_1, STM_PIN_DATA(GPIO_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, + {PB_8, I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, {NC, NC, 0} };
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pwmout_api.c Sat Feb 08 19:45:06 2014 +0000 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pwmout_api.c Mon Feb 10 19:00:06 2014 +0000 @@ -35,9 +35,9 @@ #include "stm32f4xx_hal.h" static const PinMap PinMap_PWM[] = { - {PB_3, PWM_2, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH2 - {PB_4, PWM_3, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH1 - {PB_6, PWM_4, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4)}, // TIM4_CH1 + {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH2 + {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH1 + {PB_6, PWM_4, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM4)}, // TIM4_CH1 {NC, NC, 0} }; @@ -71,7 +71,7 @@ HAL_TIM_PWM_DeInit(&TimHandle); - pin_function(obj->pin, STM_PIN_DATA(GPIO_MODE_INPUT, GPIO_NOPULL, 0)); + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); } void pwmout_write(pwmout_t* obj, float value) {
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/spi_api.c Sat Feb 08 19:45:06 2014 +0000 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/spi_api.c Mon Feb 10 19:00:06 2014 +0000 @@ -38,23 +38,23 @@ #include "stm32f4xx_hal.h" static const PinMap PinMap_SPI_MOSI[] = { - {PA_7, SPI_1, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, + {PA_7, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, {NC, NC, 0} }; static const PinMap PinMap_SPI_MISO[] = { - {PA_6, SPI_1, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, + {PA_6, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, {NC, NC, 0} }; static const PinMap PinMap_SPI_SCLK[] = { - {PA_5, SPI_1, STM_PIN_DATA(GPIO_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, + {PA_5, SPI_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, {NC, NC, 0} }; // Only used in Slave mode static const PinMap PinMap_SPI_SSEL[] = { - {PB_6, SPI_1, STM_PIN_DATA(GPIO_MODE_INPUT, GPIO_NOPULL, 0)}, // Generic IO, not real H/W NSS pin + {PB_6, SPI_1, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)}, // Generic IO, not real H/W NSS pin {NC, NC, 0} };