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70068985a7
The gpio_out_toggle() function in the sam3x8e and stm32f1 code was only valid if it was called with irqs disabled. Commits 018c5daa and 9c52ad43 enabled the lcd code which called gpio_out_toggle() with irqs enabled. This could cause corruption of the gpio state. Introduce a gpio_out_toggle_noirq() function that will only be invoked with irqs disabled, and fix gpio_out_toggle() on sam3x8e and stm32f1 so that it safe to call even if irqs are enabled. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
// GPIO functions on simulator.
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//
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// Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "board/gpio.h" // gpio_out_write
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struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val) {
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return (struct gpio_out){.pin=pin};
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}
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void gpio_out_toggle_noirq(struct gpio_out g) {
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}
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void gpio_out_toggle(struct gpio_out g) {
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}
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void gpio_out_write(struct gpio_out g, uint8_t val) {
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}
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struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up) {
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return (struct gpio_in){.pin=pin};
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}
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uint8_t gpio_in_read(struct gpio_in g) {
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return 0;
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}
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struct gpio_pwm gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint8_t val) {
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return (struct gpio_pwm){.pin=pin};
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}
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void gpio_pwm_write(struct gpio_pwm g, uint8_t val) {
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}
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struct gpio_adc gpio_adc_setup(uint8_t pin) {
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return (struct gpio_adc){.pin=pin};
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}
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uint32_t gpio_adc_sample(struct gpio_adc g) {
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return 0;
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}
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uint16_t gpio_adc_read(struct gpio_adc g) {
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return 0;
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}
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void gpio_adc_cancel_sample(struct gpio_adc g) {
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}
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struct spi_config
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spi_setup(uint32_t bus, uint8_t mode, uint32_t rate)
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{
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return (struct spi_config){ };
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}
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void
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spi_transfer(struct spi_config config, uint8_t receive_data
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, uint8_t len, uint8_t *data)
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{
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}
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